Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Frontier Airlines

The cheapest airline(s) flying from Chicago to Buffalo is Frontier Airlines.

  • Frontier Airlines Frontier Airlines
  • American Airlines American Airlines
  • JetBlue Airways JetBlue Airways
  • Southwest Airlines Southwest Airlines
  • United Airlines United Airlines
Cheapest Month January

Travel Period: December 2024 - November 2025

The cheapest month(s) to fly from Chicago to Buffalo is January.

  • Dec 2024
  • Jan 2025
  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
Cheapest Day of the Week Friday

The cheapest day(s) of the week to fly from Chicago to Buffalo is Friday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Sat, 2 Nov, 2024

  • Time Earliest
    • Earliest
    • Latest
  • Depart Earliest
    • Earliest
    • Latest
  • Arrive
    • Earliest
    • Latest
  • Duration
    • Shortest
    • Longest
  • Stopover
    All
    • Airline Filter by Airline
      View All Airline
      • Availability
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 18:06 ORD
        20:47 BUF
        1Hrs, 41m Direct
      • ORDChicago O'Hare International Airport 18:06 - BUF 20:47 1h 41m Direct
      • ORDChicago O'Hare International Airport 18:06
      • BUFBuffalo Airport 20:47
      • 1h 41m
      • Direct
      • United Airlines (UA 1335)Boeing 737 700
      • United Airlines (UA 1335)
        • M
        • T
        • W
        • T
        • F
        • -
        • S
      • Boeing 737 700
      • 18:06 ORD
        20:47 BUF
        1Hrs, 41m Direct
      • ORDChicago O'Hare International Airport 18:06 - BUF 20:47 1h 41m Direct
      • ORDChicago O'Hare International Airport 18:06
      • BUFBuffalo Airport 20:47
      • 1h 41m
      • Direct
      • United Airlines (UA 1335)Airbus
      • United Airlines (UA 1335)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Airbus
      • 18:30 MDW
        20:55 BUF
        1Hrs, 25m Direct
      • MDWChicago Midway Airport 18:30 - BUF 20:55 1h 25m Direct
      • MDWChicago Midway Airport 18:30
      • BUFBuffalo Airport 20:55
      • 1h 25m
      • Direct
      • Southwest Airlines (WN 2058)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 2058)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • Boeing 737 Max 8 Passenger
      • 19:19 ORD
        22:04 BUF
        1Hrs, 45m Direct
      • ORDChicago O'Hare International Airport 19:19 - BUF 22:04 1h 45m Direct
      • ORDChicago O'Hare International Airport 19:19
      • BUFBuffalo Airport 22:04
      • 1h 45m
      • Direct
      • American Airlines (AA 3580)Embraer 170
      • American Airlines (AA 3580)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • Embraer 170
      • 20:30 MDW
        22:55 BUF
        1Hrs, 25m Direct
      • MDWChicago Midway Airport 20:30 - BUF 22:55 1h 25m Direct
      • MDWChicago Midway Airport 20:30
      • BUFBuffalo Airport 22:55
      • 1h 25m
      • Direct
      • Southwest Airlines (WN 2058)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 2058)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • Boeing 737 Max 8 Passenger
      • 20:35 ORD
        23:17 BUF
        1Hrs, 42m Direct
      • ORDChicago O'Hare International Airport 20:35 - BUF 23:17 1h 42m Direct
      • ORDChicago O'Hare International Airport 20:35
      • BUFBuffalo Airport 23:17
      • 1h 42m
      • Direct
      • American Airlines (AA 3580)Embraer 170
      • American Airlines (AA 3580)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • Embraer 170
      • 20:35 MDW
        23:00 BUF
        1Hrs, 25m Direct
      • MDWChicago Midway Airport 20:35 - BUF 23:00 1h 25m Direct
      • MDWChicago Midway Airport 20:35
      • BUFBuffalo Airport 23:00
      • 1h 25m
      • Direct
      • Southwest Airlines (WN 2058)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 2058)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Boeing 737 Max 8 Passenger
      • 20:35 ORD
        23:20 BUF
        1Hrs, 45m Direct
      • ORDChicago O'Hare International Airport 20:35 - BUF 23:20 1h 45m Direct
      • ORDChicago O'Hare International Airport 20:35
      • BUFBuffalo Airport 23:20
      • 1h 45m
      • Direct
      • American Airlines (AA 3580)Embraer 170
      • American Airlines (AA 3580)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Embraer 170
      • 08:00 ORD
        10:34 BUF
        1Hrs, 34m Direct
      • ORDChicago O'Hare International Airport 08:00 - BUF 10:34 1h 34m Direct
      • ORDChicago O'Hare International Airport 08:00
      • BUFBuffalo Airport 10:34
      • 1h 34m
      • Direct
      • American Airlines (AA 4093)Embraer 170
      • American Airlines (AA 4093)
        • -
        • T
        • W
        • -
        • -
        • S
        • -
      • Embraer 170
      • 08:02 ORD
        10:36 BUF
        1Hrs, 34m Direct
      • ORDChicago O'Hare International Airport 08:02 - BUF 10:36 1h 34m Direct
      • ORDChicago O'Hare International Airport 08:02
      • BUFBuffalo Airport 10:36
      • 1h 34m
      • Direct
      • American Airlines (AA 4093)Embraer 170
      • American Airlines (AA 4093)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • Embraer 170
      • 10:00 MDW
        12:30 BUF
        1Hrs, 30m Direct
      • MDWChicago Midway Airport 10:00 - BUF 12:30 1h 30m Direct
      • MDWChicago Midway Airport 10:00
      • BUFBuffalo Airport 12:30
      • 1h 30m
      • Direct
      • Southwest Airlines (WN 139)Boeing 737 800
      • Southwest Airlines (WN 139)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • Boeing 737 800
      • 10:35 ORD
        13:10 BUF
        1Hrs, 35m Direct
      • ORDChicago O'Hare International Airport 10:35 - BUF 13:10 1h 35m Direct
      • ORDChicago O'Hare International Airport 10:35
      • BUFBuffalo Airport 13:10
      • 1h 35m
      • Direct
      • United Airlines (UA 4382)Canadair Regional Jet 550
      • United Airlines (UA 4382)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • Canadair Regional Jet 550
      • 12:00 MDW
        14:25 BUF
        1Hrs, 25m Direct
      • MDWChicago Midway Airport 12:00 - BUF 14:25 1h 25m Direct
      • MDWChicago Midway Airport 12:00
      • BUFBuffalo Airport 14:25
      • 1h 25m
      • Direct
      • Southwest Airlines (WN 4387)Boeing 737 700
      • Southwest Airlines (WN 4387)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Boeing 737 700
      • 12:35 MDW
        15:00 BUF
        1Hrs, 25m Direct
      • MDWChicago Midway Airport 12:35 - BUF 15:00 1h 25m Direct
      • MDWChicago Midway Airport 12:35
      • BUFBuffalo Airport 15:00
      • 1h 25m
      • Direct
      • Southwest Airlines (WN 2073)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 2073)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • Boeing 737 Max 8 Passenger
      • 14:10 ORD
        16:51 BUF
        1Hrs, 41m Direct
      • ORDChicago O'Hare International Airport 14:10 - BUF 16:51 1h 41m Direct
      • ORDChicago O'Hare International Airport 14:10
      • BUFBuffalo Airport 16:51
      • 1h 41m
      • Direct
      • United Airlines (UA 1448)Boeing 737 700
      • United Airlines (UA 1448)
        • M
        • T
        • W
        • T
        • F
        • -
        • S
      • Boeing 737 700
      • 14:17 ORD
        16:58 BUF
        1Hrs, 41m Direct
      • ORDChicago O'Hare International Airport 14:17 - BUF 16:58 1h 41m Direct
      • ORDChicago O'Hare International Airport 14:17
      • BUFBuffalo Airport 16:58
      • 1h 41m
      • Direct
      • United Airlines (UA 1448)Airbus
      • United Airlines (UA 1448)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Airbus
      • 14:58 ORD
        17:28 BUF
        1Hrs, 30m Direct
      • ORDChicago O'Hare International Airport 14:58 - BUF 17:28 1h 30m Direct
      • ORDChicago O'Hare International Airport 14:58
      • BUFBuffalo Airport 17:28
      • 1h 30m
      • Direct
      • American Airlines (AA 3342)Embraer Emb 175
      • American Airlines (AA 3342)
        • -
        • -
        • -
        • T
        • F
        • -
        • S
      • Embraer Emb 175
      • 15:00 ORD
        17:30 BUF
        1Hrs, 30m Direct
      • ORDChicago O'Hare International Airport 15:00 - BUF 17:30 1h 30m Direct
      • ORDChicago O'Hare International Airport 15:00
      • BUFBuffalo Airport 17:30
      • 1h 30m
      • Direct
      • American Airlines (AA 3342)Embraer Emb 175
      • American Airlines (AA 3342)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • Embraer Emb 175
      • 15:10 ORD
        17:40 BUF
        1Hrs, 30m Direct
      • ORDChicago O'Hare International Airport 15:10 - BUF 17:40 1h 30m Direct
      • ORDChicago O'Hare International Airport 15:10
      • BUFBuffalo Airport 17:40
      • 1h 30m
      • Direct
      • American Airlines (AA 3430)Embraer 170
      • American Airlines (AA 3430)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Embraer 170
      • 15:10 ORD
        17:39 BUF
        1Hrs, 29m Direct
      • ORDChicago O'Hare International Airport 15:10 - BUF 17:39 1h 29m Direct
      • ORDChicago O'Hare International Airport 15:10
      • BUFBuffalo Airport 17:39
      • 1h 29m
      • Direct
      • American Airlines (AA 3430)Embraer 170
      • American Airlines (AA 3430)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • Embraer 170
      • 18:14 ORD
        23:42 BUF
        4Hrs, 28m 1 Stop (IAD)
      • ORDChicago O'Hare International Airport 18:14 - BUF 23:42 4h 28m 1 Stop (IAD) Washington
      • ORDChicago O'Hare International Airport 18:14
        IADWashington Dulles International Airport 22:20
      • IADWashington Dulles International Airport 21:14
        BUFBuffalo Airport 23:42
      • 4h 28m (1h 06m)
      • 1 Stop IAD · Washington 1h 06m
      • United Airlines (UA 210)Boeing 737 Max 9 Passenger
        United Airlines (UA 3708)Embraer 170
      • United Airlines (UA 210)
        • M
        • -
        • -
        • T
        • -
        • -
        • -
      • 18:14 ORD
        23:42 BUF
        4Hrs, 28m 1 Stop (IAD)
      • ORDChicago O'Hare International Airport 18:14 - BUF 23:42 4h 28m 1 Stop (IAD) Washington
      • ORDChicago O'Hare International Airport 18:14
        IADWashington Dulles International Airport 22:20
      • IADWashington Dulles International Airport 21:14
        BUFBuffalo Airport 23:42
      • 4h 28m (1h 06m)
      • 1 Stop IAD · Washington 1h 06m
      • United Airlines (UA 210)Boeing 737 800
        United Airlines (UA 3708)Embraer 170
      • United Airlines (UA 210)
        • -
        • -
        • -
        • -
        • F
        • S
        • -
      • 18:14 ORD
        23:42 BUF
        4Hrs, 28m 1 Stop (IAD)
      • ORDChicago O'Hare International Airport 18:14 - BUF 23:42 4h 28m 1 Stop (IAD) Washington
      • ORDChicago O'Hare International Airport 18:14
        IADWashington Dulles International Airport 22:20
      • IADWashington Dulles International Airport 21:14
        BUFBuffalo Airport 23:42
      • 4h 28m (1h 06m)
      • 1 Stop IAD · Washington 1h 06m
      • United Airlines (UA 210)Boeing 737 900
        United Airlines (UA 3708)Embraer 170
      • United Airlines (UA 210)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 18:40 ORD
        00:33 BUF
        4Hrs, 53m 1 Stop (CLT)
      • ORDChicago O'Hare International Airport 18:40 - BUF 00:33 4h 53m 1 Stop (CLT) Charlotte
      • ORDChicago O'Hare International Airport 18:40
        CLTCharlotte Airport 22:40
      • CLTCharlotte Airport 21:49
        BUFBuffalo Airport 00:33
      • 4h 53m (51m)
      • 1 Stop CLT · Charlotte 51m
      • American Airlines (AA 689)Boeing 737 800
        American Airlines (AA 703)Airbus
      • American Airlines (AA 689)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 18:55 ORD
        00:33 BUF
        4Hrs, 38m 1 Stop (CLT)
      • ORDChicago O'Hare International Airport 18:55 - BUF 00:33 4h 38m 1 Stop (CLT) Charlotte
      • ORDChicago O'Hare International Airport 18:55
        CLTCharlotte Airport 22:40
      • CLTCharlotte Airport 22:09
        BUFBuffalo Airport 00:33
      • 4h 38m (31m)
      • 1 Stop CLT · Charlotte 31m
      • American Airlines (AA 689)Boeing 737 800
        American Airlines (AA 703)Airbus
      • American Airlines (AA 689)
        • -
        • -
        • -
        • T
        • F
        • -
        • S
      • 05:00 ORD
        10:58 BUF
        4Hrs, 58m 1 Stop (CLT)
      • ORDChicago O'Hare International Airport 05:00 - BUF 10:58 4h 58m 1 Stop (CLT) Charlotte
      • ORDChicago O'Hare International Airport 05:00
        CLTCharlotte Airport 09:15
      • CLTCharlotte Airport 07:55
        BUFBuffalo Airport 10:58
      • 4h 58m (1h 20m)
      • 1 Stop CLT · Charlotte 1h 20m
      • American Airlines (AA 2842)Boeing 737 Max 8 Passenger
        American Airlines (AA 1476)Airbus
      • American Airlines (AA 2842)
        • M
        • -
        • -
        • T
        • F
        • S
        • S
      • 05:00 ORD
        10:58 BUF
        4Hrs, 58m 1 Stop (CLT)
      • ORDChicago O'Hare International Airport 05:00 - BUF 10:58 4h 58m 1 Stop (CLT) Charlotte
      • ORDChicago O'Hare International Airport 05:00
        CLTCharlotte Airport 09:15
      • CLTCharlotte Airport 07:56
        BUFBuffalo Airport 10:58
      • 4h 58m (1h 19m)
      • 1 Stop CLT · Charlotte 1h 19m
      • American Airlines (AA 2842)Boeing 737 Max 8 Passenger
        American Airlines (AA 1476)Airbus
      • American Airlines (AA 2842)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 05:30 MDW
        10:25 BUF
        3Hrs, 55m 1 Stop (BWI)
      • MDWChicago Midway Airport 05:30 - BUF 10:25 3h 55m 1 Stop (BWI) Baltimore
      • MDWChicago Midway Airport 05:30
        BWIBaltimore Washington International Airport 09:10
      • BWIBaltimore Washington International Airport 08:20
        BUFBuffalo Airport 10:25
      • 3h 55m (50m)
      • 1 Stop BWI · Baltimore 50m
      • Southwest Airlines (WN 281)Boeing 737 800
        Southwest Airlines (WN 1439)Boeing 737 700
      • Southwest Airlines (WN 281)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:45 ORD
        11:00 BUF
        4Hrs, 15m 1 Stop (BWI)
      • ORDChicago O'Hare International Airport 05:45 - BUF 11:00 4h 15m 1 Stop (BWI) Baltimore
      • ORDChicago O'Hare International Airport 05:45
        BWIBaltimore Washington International Airport 09:45
      • BWIBaltimore Washington International Airport 08:40
        BUFBuffalo Airport 11:00
      • 4h 15m (1h 05m)
      • 1 Stop BWI · Baltimore 1h 05m
      • Southwest Airlines (WN 1467)Boeing 737 800
        Southwest Airlines (WN 4869)Boeing 737 800
      • Southwest Airlines (WN 1467)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 06:00 ORD
        11:59 BUF
        4Hrs, 59m 1 Stop (EWR)
      • ORDChicago O'Hare International Airport 06:00 - BUF 11:59 4h 59m 1 Stop (EWR) New York City
      • ORDChicago O'Hare International Airport 06:00
        EWRNewark Liberty International Airport 10:30
      • EWRNewark Liberty International Airport 09:10
        BUFBuffalo Airport 11:59
      • 4h 59m (1h 20m)
      • 1 Stop EWR · New York City 1h 20m
      • United Airlines (UA 1658)Boeing 757 200 Series
        United Airlines (UA 3457)Embraer 175
      • United Airlines (UA 1658)
        • M
        • T
        • W
        • T
        • F
        • -
        • S
      • 06:00 ORD
        11:51 BUF
        4Hrs, 51m 1 Stop (LGA)
      • ORDChicago O'Hare International Airport 06:00 - BUF 11:51 4h 51m 1 Stop (LGA) New York City
      • ORDChicago O'Hare International Airport 06:00
        LGANew York La Guardia Airport 10:28
      • LGANew York La Guardia Airport 09:00
        BUFBuffalo Airport 11:51
      • 4h 51m (1h 28m)
      • 1 Stop LGA · New York City 1h 28m
      • American Airlines (AA 2084)Boeing 737 800
        American Airlines (AA 4738)Embraer Emb 175
      • American Airlines (AA 2084)
        • M
        • T
        • W
        • T
        • F
        • -
        • S
      • 06:00 ORD
        11:58 BUF
        4Hrs, 58m 1 Stop (EWR)
      • ORDChicago O'Hare International Airport 06:00 - BUF 11:58 4h 58m 1 Stop (EWR) New York City
      • ORDChicago O'Hare International Airport 06:00
        EWRNewark Liberty International Airport 10:29
      • EWRNewark Liberty International Airport 09:10
        BUFBuffalo Airport 11:58
      • 4h 58m (1h 19m)
      • 1 Stop EWR · New York City 1h 19m
      • United Airlines (UA 1658)Boeing 757 200 Series
        United Airlines (UA 3457)Embraer 175
      • United Airlines (UA 1658)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:01 ORD
        12:05 BUF
        5Hrs, 04m 1 Stop (DCA)
      • ORDChicago O'Hare International Airport 06:01 - BUF 12:05 5h 04m 1 Stop (DCA) Washington
      • ORDChicago O'Hare International Airport 06:01
        DCAWashington Ronald Reagan National Airport 10:38
      • DCAWashington Ronald Reagan National Airport 08:50
        BUFBuffalo Airport 12:05
      • 5h 04m (1h 48m)
      • 1 Stop DCA · Washington 1h 48m
      • American Airlines (AA 523)Boeing 737 800
        American Airlines (AA 5213)Crj 700 Canadair Regional
      • American Airlines (AA 523)
        • M
        • -
        • -
        • T
        • F
        • S
        • S
      • 06:05 ORD
        12:05 BUF
        5Hrs, 00m 1 Stop (DCA)
      • ORDChicago O'Hare International Airport 06:05 - BUF 12:05 5h 1 Stop (DCA) Washington
      • ORDChicago O'Hare International Airport 06:05
        DCAWashington Ronald Reagan National Airport 10:38
      • DCAWashington Ronald Reagan National Airport 08:50
        BUFBuffalo Airport 12:05
      • 5h (1h 48m)
      • 1 Stop DCA · Washington 1h 48m
      • American Airlines (AA 523)Boeing 737 800
        American Airlines (AA 5213)Crj 700 Canadair Regional
      • American Airlines (AA 523)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 06:30 ORD
        12:13 BUF
        4Hrs, 43m 1 Stop (PHL)
      • ORDChicago O'Hare International Airport 06:30 - BUF 12:13 4h 43m 1 Stop (PHL) Philadelphia
      • ORDChicago O'Hare International Airport 06:30
        PHLPhiladelphia International Airport 10:40
      • PHLPhiladelphia International Airport 09:23
        BUFBuffalo Airport 12:13
      • 4h 43m (1h 17m)
      • 1 Stop PHL · Philadelphia 1h 17m
      • American Airlines (AA 1854)Boeing 737 800
        American Airlines (AA 5807)Er4 Embraer Rj145 Amazon
      • American Airlines (AA 1854)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 06:30 ORD
        12:13 BUF
        4Hrs, 43m 1 Stop (PHL)
      • ORDChicago O'Hare International Airport 06:30 - BUF 12:13 4h 43m 1 Stop (PHL) Philadelphia
      • ORDChicago O'Hare International Airport 06:30
        PHLPhiladelphia International Airport 10:40
      • PHLPhiladelphia International Airport 09:26
        BUFBuffalo Airport 12:13
      • 4h 43m (1h 14m)
      • 1 Stop PHL · Philadelphia 1h 14m
      • American Airlines (AA 1854)Boeing 737 800
        American Airlines (AA 5807)Er4 Embraer Rj145 Amazon
      • American Airlines (AA 1854)
        • M
        • -
        • -
        • T
        • F
        • S
        • S
      • 07:20 MDW
        13:00 BUF
        4Hrs, 40m 1 Stop (BWI)
      • MDWChicago Midway Airport 07:20 - BUF 13:00 4h 40m 1 Stop (BWI) Baltimore
      • MDWChicago Midway Airport 07:20
        BWIBaltimore Washington International Airport 11:50
      • BWIBaltimore Washington International Airport 10:10
        BUFBuffalo Airport 13:00
      • 4h 40m (1h 40m)
      • 1 Stop BWI · Baltimore 1h 40m
      • Southwest Airlines (WN 1382)Boeing 737 700
        Southwest Airlines (WN 910)Boeing 737 700
      • Southwest Airlines (WN 1382)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 07:35 MDW
        13:25 BUF
        4Hrs, 50m 1 Stop (BNA)
      • MDWChicago Midway Airport 07:35 - BUF 13:25 4h 50m 1 Stop (BNA) Nashville
      • MDWChicago Midway Airport 07:35
        BNANashville Airport 10:30
      • BNANashville Airport 09:05
        BUFBuffalo Airport 13:25
      • 4h 50m (1h 25m)
      • 1 Stop BNA · Nashville 1h 25m
      • Southwest Airlines (WN 4390)Boeing 737 700
        Southwest Airlines (WN 2636)Boeing 737 700
      • Southwest Airlines (WN 4390)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 08:15 MDW
        13:30 BUF
        4Hrs, 15m 1 Stop (BWI)
      • MDWChicago Midway Airport 08:15 - BUF 13:30 4h 15m 1 Stop (BWI) Baltimore
      • MDWChicago Midway Airport 08:15
        BWIBaltimore Washington International Airport 12:20
      • BWIBaltimore Washington International Airport 11:05
        BUFBuffalo Airport 13:30
      • 4h 15m (1h 15m)
      • 1 Stop BWI · Baltimore 1h 15m
      • Southwest Airlines (WN 4325)Boeing 737 700
        Southwest Airlines (WN 2851)Boeing 737 700
      • Southwest Airlines (WN 4325)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 08:57 ORD
        14:12 BUF
        4Hrs, 15m 1 Stop (IAD)
      • ORDChicago O'Hare International Airport 08:57 - BUF 14:12 4h 15m 1 Stop (IAD) Washington
      • ORDChicago O'Hare International Airport 08:57
        IADWashington Dulles International Airport 12:45
      • IADWashington Dulles International Airport 11:53
        BUFBuffalo Airport 14:12
      • 4h 15m (52m)
      • 1 Stop IAD · Washington 52m
      • United Airlines (UA 545)Boeing 737 800
        United Airlines (UA 4335)Embraer
      • United Airlines (UA 545)
        • M
        • T
        • W
        • T
        • -
        • -
        • -
      • 09:46 ORD
        15:29 BUF
        4Hrs, 43m 1 Stop (JFK)
      • ORDChicago O'Hare International Airport 09:46 - BUF 15:29 4h 43m 1 Stop (JFK) New York City
      • ORDChicago O'Hare International Airport 09:46
        JFKNew York John F. Kennedy International Airport 13:55
      • JFKNew York John F. Kennedy International Airport 12:59
        BUFBuffalo Airport 15:29
      • 4h 43m (56m)
      • 1 Stop JFK · New York City 56m
      • JetBlue Airways (B6 906)Airbus
        JetBlue Airways (B6 1062)Airbus A220 300
      • JetBlue Airways (B6 906)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 09:46 ORD
        15:29 BUF
        4Hrs, 43m 1 Stop (JFK)
      • ORDChicago O'Hare International Airport 09:46 - BUF 15:29 4h 43m 1 Stop (JFK) New York City
      • ORDChicago O'Hare International Airport 09:46
        JFKNew York John F. Kennedy International Airport 13:55
      • JFKNew York John F. Kennedy International Airport 12:59
        BUFBuffalo Airport 15:29
      • 4h 43m (56m)
      • 1 Stop JFK · New York City 56m
      • JetBlue Airways (B6 906)Airbus A220 300
        JetBlue Airways (B6 1062)Airbus A220 300
      • JetBlue Airways (B6 906)
        • -
        • -
        • -
        • T
        • -
        • -
        • S
      • 09:48 ORD
        15:29 BUF
        4Hrs, 41m 1 Stop (JFK)
      • ORDChicago O'Hare International Airport 09:48 - BUF 15:29 4h 41m 1 Stop (JFK) New York City
      • ORDChicago O'Hare International Airport 09:48
        JFKNew York John F. Kennedy International Airport 13:55
      • JFKNew York John F. Kennedy International Airport 12:59
        BUFBuffalo Airport 15:29
      • 4h 41m (56m)
      • 1 Stop JFK · New York City 56m
      • JetBlue Airways (B6 906)Airbus
        JetBlue Airways (B6 1062)Embraer Emb E90
      • JetBlue Airways (B6 906)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 09:55 ORD
        15:00 BUF
        4Hrs, 05m 1 Stop (PHL)
      • ORDChicago O'Hare International Airport 09:55 - BUF 15:00 4h 05m 1 Stop (PHL) Philadelphia
      • ORDChicago O'Hare International Airport 09:55
        PHLPhiladelphia International Airport 13:35
      • PHLPhiladelphia International Airport 12:51
        BUFBuffalo Airport 15:00
      • 4h 05m (44m)
      • 1 Stop PHL · Philadelphia 44m
      • American Airlines (AA 2098)Airbus
        American Airlines (AA 5828)Er4 Embraer Rj145 Amazon
      • American Airlines (AA 2098)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 12:15 ORD
        17:50 BUF
        4Hrs, 35m 1 Stop (BOS)
      • ORDChicago O'Hare International Airport 12:15 - BUF 17:50 4h 35m 1 Stop (BOS) Boston
      • ORDChicago O'Hare International Airport 12:15
        BOSBoston Logan International Airport 16:10
      • BOSBoston Logan International Airport 15:28
        BUFBuffalo Airport 17:50
      • 4h 35m (42m)
      • 1 Stop BOS · Boston 42m
      • JetBlue Airways (B6 312)Embraer Emb E90
        JetBlue Airways (B6 515)Embraer Emb E90
      • JetBlue Airways (B6 312)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 12:28 ORD
        18:23 BUF
        4Hrs, 55m 1 Stop (CLT)
      • ORDChicago O'Hare International Airport 12:28 - BUF 18:23 4h 55m 1 Stop (CLT) Charlotte
      • ORDChicago O'Hare International Airport 12:28
        CLTCharlotte Airport 16:39
      • CLTCharlotte Airport 15:31
        BUFBuffalo Airport 18:23
      • 4h 55m (1h 08m)
      • 1 Stop CLT · Charlotte 1h 08m
      • Frontier Airlines (F9 3142)Airbus A320 Neo
        Frontier Airlines (F9 3062)Airbus A320 Neo
      • Frontier Airlines (F9 3142)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 12:35 MDW
        17:50 BUF
        4Hrs, 15m 1 Stop (BWI)
      • MDWChicago Midway Airport 12:35 - BUF 17:50 4h 15m 1 Stop (BWI) Baltimore
      • MDWChicago Midway Airport 12:35
        BWIBaltimore Washington International Airport 16:35
      • BWIBaltimore Washington International Airport 15:20
        BUFBuffalo Airport 17:50
      • 4h 15m (1h 15m)
      • 1 Stop BWI · Baltimore 1h 15m
      • Southwest Airlines (WN 1997)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1833)Boeing 737 700
      • Southwest Airlines (WN 1997)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 13:10 MDW
        18:05 BUF
        3Hrs, 55m 1 Stop (BWI)
      • MDWChicago Midway Airport 13:10 - BUF 18:05 3h 55m 1 Stop (BWI) Baltimore
      • MDWChicago Midway Airport 13:10
        BWIBaltimore Washington International Airport 16:50
      • BWIBaltimore Washington International Airport 15:55
        BUFBuffalo Airport 18:05
      • 3h 55m (55m)
      • 1 Stop BWI · Baltimore 55m
      • Southwest Airlines (WN 259)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1700)Boeing 737 800
      • Southwest Airlines (WN 259)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 13:21 ORD
        18:52 BUF
        4Hrs, 31m 1 Stop (IAD)
      • ORDChicago O'Hare International Airport 13:21 - BUF 18:52 4h 31m 1 Stop (IAD) Washington
      • ORDChicago O'Hare International Airport 13:21
        IADWashington Dulles International Airport 17:30
      • IADWashington Dulles International Airport 16:15
        BUFBuffalo Airport 18:52
      • 4h 31m (1h 15m)
      • 1 Stop IAD · Washington 1h 15m
      • United Airlines (UA 1830)Boeing 737 800
        United Airlines (UA 3689)Embraer 175
      • United Airlines (UA 1830)
        • M
        • T
        • -
        • T
        • F
        • -
        • S
      • 13:21 ORD
        18:52 BUF
        4Hrs, 31m 1 Stop (IAD)
      • ORDChicago O'Hare International Airport 13:21 - BUF 18:52 4h 31m 1 Stop (IAD) Washington
      • ORDChicago O'Hare International Airport 13:21
        IADWashington Dulles International Airport 17:30
      • IADWashington Dulles International Airport 16:15
        BUFBuffalo Airport 18:52
      • 4h 31m (1h 15m)
      • 1 Stop IAD · Washington 1h 15m
      • United Airlines (UA 1830)Boeing 737 800
        United Airlines (UA 3689)Embraer 170
      • United Airlines (UA 1830)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 13:21 ORD
        18:53 BUF
        4Hrs, 32m 1 Stop (IAD)
      • ORDChicago O'Hare International Airport 13:21 - BUF 18:53 4h 32m 1 Stop (IAD) Washington
      • ORDChicago O'Hare International Airport 13:21
        IADWashington Dulles International Airport 17:30
      • IADWashington Dulles International Airport 16:15
        BUFBuffalo Airport 18:53
      • 4h 32m (1h 15m)
      • 1 Stop IAD · Washington 1h 15m
      • United Airlines (UA 1830)Airbus
        United Airlines (UA 4871)Embraer
      • United Airlines (UA 1830)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 13:54 ORD
        19:11 BUF
        4Hrs, 17m 1 Stop (CLT)
      • ORDChicago O'Hare International Airport 13:54 - BUF 19:11 4h 17m 1 Stop (CLT) Charlotte
      • ORDChicago O'Hare International Airport 13:54
        CLTCharlotte Airport 17:32
      • CLTCharlotte Airport 16:52
        BUFBuffalo Airport 19:11
      • 4h 17m (40m)
      • 1 Stop CLT · Charlotte 40m
      • American Airlines (AA 326)Airbus
        American Airlines (AA 1486)Airbus
      • American Airlines (AA 326)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 13:54 ORD
        19:12 BUF
        4Hrs, 18m 1 Stop (CLT)
      • ORDChicago O'Hare International Airport 13:54 - BUF 19:12 4h 18m 1 Stop (CLT) Charlotte
      • ORDChicago O'Hare International Airport 13:54
        CLTCharlotte Airport 17:32
      • CLTCharlotte Airport 16:51
        BUFBuffalo Airport 19:12
      • 4h 18m (41m)
      • 1 Stop CLT · Charlotte 41m
      • American Airlines (AA 326)Airbus
        American Airlines (AA 1486)Airbus
      • American Airlines (AA 326)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 13:54 ORD
        19:52 BUF
        4Hrs, 58m 1 Stop (CLT)
      • ORDChicago O'Hare International Airport 13:54 - BUF 19:52 4h 58m 1 Stop (CLT) Charlotte
      • ORDChicago O'Hare International Airport 13:54
        CLTCharlotte Airport 18:10
      • CLTCharlotte Airport 16:51
        BUFBuffalo Airport 19:52
      • 4h 58m (1h 19m)
      • 1 Stop CLT · Charlotte 1h 19m
      • American Airlines (AA 326)Airbus
        American Airlines (AA 1486)Airbus
      • American Airlines (AA 326)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 13:55 ORD
        19:11 BUF
        4Hrs, 16m 1 Stop (CLT)
      • ORDChicago O'Hare International Airport 13:55 - BUF 19:11 4h 16m 1 Stop (CLT) Charlotte
      • ORDChicago O'Hare International Airport 13:55
        CLTCharlotte Airport 17:32
      • CLTCharlotte Airport 16:53
        BUFBuffalo Airport 19:11
      • 4h 16m (39m)
      • 1 Stop CLT · Charlotte 39m
      • American Airlines (AA 326)Airbus
        American Airlines (AA 1486)Airbus
      • American Airlines (AA 326)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 15:10 ORD
        20:30 BUF
        4Hrs, 20m 1 Stop (BWI)
      • ORDChicago O'Hare International Airport 15:10 - BUF 20:30 4h 20m 1 Stop (BWI) Baltimore
      • ORDChicago O'Hare International Airport 15:10
        BWIBaltimore Washington International Airport 19:15
      • BWIBaltimore Washington International Airport 18:05
        BUFBuffalo Airport 20:30
      • 4h 20m (1h 10m)
      • 1 Stop BWI · Baltimore 1h 10m
      • Southwest Airlines (WN 1671)Boeing 737 700
        Southwest Airlines (WN 3819)Boeing 737 800
      • Southwest Airlines (WN 1671)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 16:09 ORD
        21:43 BUF
        4Hrs, 34m 1 Stop (DCA)
      • ORDChicago O'Hare International Airport 16:09 - BUF 21:43 4h 34m 1 Stop (DCA) Washington
      • ORDChicago O'Hare International Airport 16:09
        DCAWashington Ronald Reagan National Airport 20:00
      • DCAWashington Ronald Reagan National Airport 18:58
        BUFBuffalo Airport 21:43
      • 4h 34m (1h 02m)
      • 1 Stop DCA · Washington 1h 02m
      • American Airlines (AA 1577)Airbus
        American Airlines (AA 4806)Embraer Emb 175
      • American Airlines (AA 1577)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 17:10 ORD
        22:48 BUF
        4Hrs, 38m 1 Stop (LGA)
      • ORDChicago O'Hare International Airport 17:10 - BUF 22:48 4h 38m 1 Stop (LGA) New York City
      • ORDChicago O'Hare International Airport 17:10
        LGANew York La Guardia Airport 21:25
      • LGANew York La Guardia Airport 20:09
        BUFBuffalo Airport 22:48
      • 4h 38m (1h 16m)
      • 1 Stop LGA · New York City 1h 16m
      • American Airlines (AA 562)Boeing 737 800
        American Airlines (AA 4736)Embraer Emb 175
      • American Airlines (AA 562)
        • M
        • T
        • -
        • T
        • F
        • -
        • S
      • 17:25 ORD
        22:55 BUF
        4Hrs, 30m 1 Stop (PHL)
      • ORDChicago O'Hare International Airport 17:25 - BUF 22:55 4h 30m 1 Stop (PHL) Philadelphia
      • ORDChicago O'Hare International Airport 17:25
        PHLPhiladelphia International Airport 21:25
      • PHLPhiladelphia International Airport 20:20
        BUFBuffalo Airport 22:55
      • 4h 30m (1h 05m)
      • 1 Stop PHL · Philadelphia 1h 05m
      • American Airlines (AA 1941)Boeing 737 800
        American Airlines (AA 5788)Er4 Embraer Rj145 Amazon
      • American Airlines (AA 1941)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 17:28 ORD
        22:55 BUF
        4Hrs, 27m 1 Stop (PHL)
      • ORDChicago O'Hare International Airport 17:28 - BUF 22:55 4h 27m 1 Stop (PHL) Philadelphia
      • ORDChicago O'Hare International Airport 17:28
        PHLPhiladelphia International Airport 21:25
      • PHLPhiladelphia International Airport 20:20
        BUFBuffalo Airport 22:55
      • 4h 27m (1h 05m)
      • 1 Stop PHL · Philadelphia 1h 05m
      • American Airlines (AA 1941)Boeing 737 800
        American Airlines (AA 5788)Er4 Embraer Rj145 Amazon
      • American Airlines (AA 1941)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 17:28 ORD
        22:55 BUF
        4Hrs, 27m 1 Stop (PHL)
      • ORDChicago O'Hare International Airport 17:28 - BUF 22:55 4h 27m 1 Stop (PHL) Philadelphia
      • ORDChicago O'Hare International Airport 17:28
        PHLPhiladelphia International Airport 21:25
      • PHLPhiladelphia International Airport 20:23
        BUFBuffalo Airport 22:55
      • 4h 27m (1h 02m)
      • 1 Stop PHL · Philadelphia 1h 02m
      • American Airlines (AA 1941)Airbus
        American Airlines (AA 5788)Er4 Embraer Rj145 Amazon
      • American Airlines (AA 1941)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      No Schedules Sorry, there are no schedules matching your filters. Try removing one. reset
      What’s the fastest flight time from Chicago to Buffalo?

      The fastest flight time for direct flights from Chicago to Buffalo is 1 hour 25 minutes. Check latest flight schedules & prices on Wego.

      How far is Buffalo from Chicago?

      The flight distance between Chicago and Buffalo is 727km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 05:00. The last flight of the day departs at 18:06. See the full list of flight times on Wego.

      How many airlines offer direct flights from Chicago to Buffalo?

      There are 3 airlines that offer direct flights from Chicago to Buffalo. Find out the list of airlines on Wego.

      All Airports in Buffalo

      Buffalo Airport BUF

      Popular Destinations from Buffalo

      Popular Destinations from Chicago

      Popular Hotels in Buffalo

      Hotels In Popular Destinations