Cheap flights from St. Louis, MO to Siem Reap, Cambodia
Flights starting at $1,068. Choose between Qatar Airways, Bangkok Airways, or Alaska Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Siem Reap
Cheapest one-way trip | $1,101 |
---|---|
Cheapest round-trip | $4,396 |
Includes rare itinerary | |
Most popular airline | Qatar Airways |
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
The most popular airlines for this route are Qatar Airways, Bangkok Airways, Alaska Airlines, Thai Airways, and Lufthansa. St. Louis and Siem Reap have 134 direct flights per week.
Check-in for a flight from St. Louis to Siem Reap
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Qatar Airways | QTR | QR | Yes | 0 0 |
Bangkok Airways | BKP | PG | No | 0 0 |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Thai Airways | THA | TG | No | 0 0 |
Lufthansa | DLH | LH | No | 0 0 |
Weather in Siem Reap
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 31°C | 21°C |
February | 33°C | 23°C |
March | 35°C | 25°C |
April | 35°C | 26°C |
May | 34°C | 26°C |
June | 32°C | 25°C |
July | 31°C | 24°C |
August | 31°C | 25°C |
September | 30°C | 24°C |
October | 30°C | 24°C |
November | 31°C | 23°C |
December | 30°C | 21°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from St. Louis
- Flights from St. Louis to Las Vegas
- Flights from St. Louis to Los Angeles
- Flights from St. Louis to Denver
- Flights from St. Louis to Orlando
- Flights from St. Louis to Atlanta
- Flights from St. Louis to Minneapolis
- Flights from St. Louis to San Diego
- Flights from St. Louis to San Francisco
- Flights from St. Louis to London
- Flights from St. Louis to Phoenix
- Flights from St. Louis to Seattle
- Flights from St. Louis to Houston
- Flights from St. Louis to Sacramento
- Flights from St. Louis to New York
- Flights from St. Louis to Cancún
- Flights from St. Louis to Washington, D.C.
- Flights from St. Louis to Fort Lauderdale
- Flights from St. Louis to Oakland
- Flights from St. Louis to Tampa
- Flights from St. Louis to Paris
Flights to Siem Reap
- Flights from Phnom Penh to Siem Reap
- Flights from Bangkok to Siem Reap
- Flights from Sihanoukville Province to Siem Reap
- Flights from Chiang Mai to Siem Reap
- Flights from Phuket City to Siem Reap
- Flights from Ho Chi Minh City to Siem Reap
- Flights from Hanoi to Siem Reap
- Flights from Singapore to Siem Reap
- Flights from Da Nang to Siem Reap
- Flights from Luang Prabang to Siem Reap
- Flights from Hong Kong to Siem Reap
- Flights from Manila to Siem Reap
- Flights from Krabi to Siem Reap
- Flights from Kuala Lumpur to Siem Reap
- Flights from Taipei to Siem Reap
- Flights from Denpasar to Siem Reap
- Flights from Okinawa Island to Siem Reap
- Flights from Chiang Rai Province to Siem Reap
- Flights from Seoul to Siem Reap
- Flights from Tokyo to Siem Reap
Popular routes
- Flights from Latrobe to Islamabad
- Flights from Pittsburgh to Semarang
- Flights from Savannah to Los Mochis
- Flights from Saint Croix to Talara
- Flights from Knoxville to Mashhad
- Flights from Punta Gorda to Burlington
- Flights from Bellingham to Kauai
- Flights from New York to Atlanta
- Flights from Kapalua to Harrisburg
- Flights from Albuquerque to Benin City
- Flights from New York to Miami
- Flights from Las Vegas to Chicago
- Flights from Owensboro to Des Moines