Looking for the price of a flight from Washington Dulles to Ko Samui?

There’s no fixed price — fares between Washington and Ko Samui 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.

Which departure and arrival airports are available?

Between Washington and Ko Samui, flight options may depend on the combination of airports available.

• Airports in Washington: Washington is connected by 3 airports - Dulles international, Ronald Reagan, Washington International.
• Airports in Ko Samui: Ko Samui - Koh Samui is the only active airport in the area.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Match your flight search to your preferences: Washington Dulles – Ko Samui

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from the best airlines and travel agencies.

Other popular destinations

Thinking about traveling to Thailand? Other users also viewed: Bangkok, Chiang Mai, Ko Samui, Krabi, Phuket.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.