What’s the cost of a flight from Washington Dulles to Phnom Penh?

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

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Flying between Washington and Phnom Penh? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Washington: Washington has 3 airports - Dulles international, Ronald Reagan, Washington International.
• Airports in Phnom Penh: The only active option is Phnom Penh - Techo International.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Washington airports in a single search.

Customize your flight from Washington Dulles to Phnom Penh

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about Cambodia? You might also consider: Phnom Penh, Siem Reap, Sihanoukville.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.