Looking for the price of a flight from Washington Dulles to Phnom Penh?

There’s no fixed price — fares between Washington and Phnom Penh can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

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.

Plan your perfect flight from Washington Dulles to Phnom Penh

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Planning a trip to Cambodia? Other frequent searches include: Phnom Penh, Siem Reap, Sihanoukville.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.