Cheap flights from Siem Reap to Washington, D.C. from $651

Travelers frequently search for route combinations, such as Siem Reap and Bangkok, New York, Phnom Penh, Tampa, Boston, Honolulu, Atlanta, Phuket City, Chiang Mai, Ho Chi Minh City, Hanoi, Singapore, Kuala Lumpur, Denpasar, Da Nang, Krabi, Ko Samui, Sihanoukville Province, Manila, Cebu.

Travelers frequently search for route combinations, such as Washington, D.C. and Atlanta, Los Angeles, Orlando, Dallas, Mexico City, Tampa, London, Denver, San Francisco, Houston, Boston, Lima, Miami, Chicago, Phoenix, Las Vegas, Guadalajara, Seattle, Detroit, New Delhi.

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

Currently, you can fly between Siem Reap and Washington, D.C. with Alaska Airlines, Vietnam Airlines, Frontier Airlines, Qatar Airways, Thai AirAsia.

If you don’t have specific dates for your trip between Siem Reap and Washington, D.C., 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 Siem Reap and Washington, D.C., 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, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Lancaster, Hagerstown Regional.

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Siem Reap, such as morning, afternoon, evening, or night, or select the exact hours for departure.

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Washington, D.C., such as morning, afternoon, evening, or night, or select the exact hours for arrival.