How much should you expect to spend for a flight from Washington to Siem Reap?

Flight prices from Washington to Siem Reap change depending on demand and time of booking.

Pick a travel date to see today’s available fares.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Planning flights between Washington and Siem Reap? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in Washington: 3 airports are listed in Washington - Dulles international, Ronald Reagan, Washington International.
• Airports in Siem Reap: Only Siem Reap is currently available.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Find the best flight from Washington to Siem Reap

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from the best airlines and travel agencies.

Other popular destinations

Searching for flights to Cambodia? Travelers also looked at: Phnom Penh, Siem Reap, Sihanoukville.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Washington – Siem Reap flights.