Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline EVA Air

The cheapest airline(s) flying from Saint Louis to Siem Reap is EVA Air.

  • EVA Air EVA Air
  • Singapore Airlines Singapore Airlines
  • United Airlines United Airlines
Cheapest Month August

Travel Period: January 2025 - December 2025

The cheapest month(s) to fly from Saint Louis to Siem Reap is August.

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

The cheapest day(s) of the week to fly from Saint Louis to Siem Reap is Monday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday
How far is Siem Reap from Saint Louis?

The flight distance between Saint Louis and Siem Reap is 14052km. Check all available flights on Wego.