Cheap flights from Washington, D.C. to Siem Reap from £439

Travelers frequently search for route combinations, such as Washington, D.C. and London, Orlando, Atlanta, Edinburgh, Los Angeles, Tampa, Mexico City, Miami, San Salvador, San Juan, Dallas, Istanbul, Denver, New Delhi, Guadalajara, Fort Lauderdale, Kathmandu, Manchester, Paris, Toronto.

Travelers frequently search for route combinations, such as Siem Reap and Bangkok, London, Phnom Penh, Hanoi, Phuket City, Singapore, Phuket Province, Chiang Mai, Ho Chi Minh City, Kuala Lumpur, Da Nang, Sihanoukville Province, Vientiane, Krabi, Bali, Manila, Denpasar, Ko Samui, Perth, Surat Thani Province.

Washington, D.C. is mainly served by Washington Dulles International. But there are other airports nearby, including Baltimore–Washington International, Ronald Reagan Washington National.

The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Lehigh Valley International, Atlantic City International, Harrisburg International, Trenton–Mercer, Lancaster, Salisbury–Ocean City–Wicomico Regional, Shenandoah Valley Regional.

The main airport in Siem Reap is Siem Reap International. It is also served by Phnom Penh International.

Currently, you can fly between Washington, D.C. and Siem Reap with Air Cambodia, Turkish Airlines, Etihad Airways, Thai AirAsia, Qatar Airways.

If you don’t have specific dates for your trip between Washington, D.C. and Siem Reap, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Washington, D.C. and Siem Reap, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Washington, D.C.. The main one is Washington Dulles International and other nearby airports include Philadelphia International, Norfolk International, Richmond International, Lehigh Valley International, Atlantic City International, Harrisburg International, Trenton–Mercer, Lancaster, Salisbury–Ocean City–Wicomico Regional, Shenandoah Valley Regional