How much is a flight from Washington to Phnom Penh?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Washington and Phnom Penh.

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

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Washington - Phnom Penh route.

Planning flights between Washington and Phnom Penh? 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 Phnom Penh: Only Phnom Penh - Techo International 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.

Adjust your flight filters for Washington – Phnom Penh

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Cambodia? These cities are popular too: Phnom Penh, Siem Reap, Sihanoukville.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.