Cheap Flights from Washington D.C. to Koh Samui
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Flights from Washington D.C. to Koh Samui
Flights from Washington D.C. to Koh Samui Starting at NZD 1,141
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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IAD 12:3043h2 stopsUSM 18:30Washington D.C. - Koh Samui | Wed, Apr 23 | Turkish Airlines
USM 08:4561h2 stopsIAD 10:45Koh Samui - Washington D.C. | Wed, Apr 30 | ScootNZD 2,216 NZD 2,90024% OFF24% OFFNZD 2,900 NZD 2,216 -
IAD 12:3542h 55m2 stopsUSM 18:30Washington D.C. - Koh Samui | Sun, Mar 30 | Turkish Airlines
USM 06:5538h 55m2 stopsIAD 10:50Koh Samui - Washington D.C. | Mon, Apr 7 | Bangkok AirwaysNZD 2,345 NZD 2,90019% OFF19% OFFNZD 2,900 NZD 2,345
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IAD 22:0534h 40m2 stopsUSM 19:45Washington D.C. - Koh Samui | Mon, May 5 | Etihad Airways
USM 06:5544h 15m2 stopsIAD 16:10Koh Samui - Washington D.C. | Mon, May 12 | Bangkok AirwaysNZD 2,346 NZD 2,90019% OFF19% OFFNZD 2,900 NZD 2,346 -
IAD 21:0526h 25m2 stopsUSM 10:30Washington D.C. - Koh Samui | Sun, Mar 30 | Qatar Airways
USM 11:2556h 20m2 stopsIAD 08:45Koh Samui - Washington D.C. | Mon, Apr 7 | Qatar AirwaysNZD 2,38018% OFFNZD 2,900 NZD 2,380 -
IAD 13:3045h 5m2 stopsUSM 21:35Washington D.C. - Koh Samui | Mon, May 5 | Turkish Airlines
USM 06:5563h 50m2 stopsIAD 11:45Koh Samui - Washington D.C. | Mon, May 12 | Bangkok AirwaysNZD 2,41117% OFFNZD 2,900 NZD 2,411
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IAD 21:0526h 25m2 stopsUSM 10:30Washington D.C. - Koh Samui | Tue, Apr 15 | Qatar Airways
USM 12:1039h2 stopsIAD 16:10Koh Samui - Washington D.C. | Mon, Apr 21 | Qatar AirwaysNZD 2,41517% OFFNZD 2,900 NZD 2,415
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IAD 21:0034h2 stopsUSM 18:00Washington D.C. - Koh Samui | Sun, Apr 6 | Qatar Airways
USM 15:2535h 15m2 stopsIAD 15:40Koh Samui - Washington D.C. | Sat, Apr 12 | Qatar AirwaysNZD 2,42117% OFFNZD 2,900 NZD 2,421
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IAD 12:3046h 5m2 stopsUSM 21:35Washington D.C. - Koh Samui | Thu, May 1 | Turkish Airlines
USM 06:5538h 50m2 stopsIAD 10:45Koh Samui - Washington D.C. | Thu, May 8 | Bangkok AirwaysNZD 2,42816% OFFNZD 2,900 NZD 2,428
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IAD 21:0026h 30m2 stopsUSM 10:30Washington D.C. - Koh Samui | Mon, Apr 7 | Qatar Airways
USM 17:5532h 45m2 stopsIAD 15:40Koh Samui - Washington D.C. | Mon, Apr 14 | Qatar AirwaysNZD 2,43016% OFFNZD 2,900 NZD 2,430
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IAD 13:3038h 15m2 stopsUSM 14:45Washington D.C. - Koh Samui | Sun, May 4 | Turkish Airlines
USM 09:3037h 15m2 stopsIAD 11:45Koh Samui - Washington D.C. | Sun, May 11 | Bangkok AirwaysNZD 2,43616% OFFNZD 2,900 NZD 2,436
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WAS 13:0017h 25m1 stopsUSM Invalid DateWashington D.C. - Koh Samui | Fri, Mar 28 | Normal Airline
USM 15:006hNonstopWAS 16:00Koh Samui - Washington D.C. | Sun, Mar 30 | Normal AirlineFind More FlightsFind More Flights
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IAD 14:3042h 15m2 stopsUSM 19:45Washington D.C. - Koh Samui | Fri, Mar 28 | Turkish AirlinesNZD 1,141 NZD 1,69333% OFF33% OFFNZD 1,693 NZD 1,141
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IAD 21:4036h 20m2 stopsUSM 21:00Washington D.C. - Koh Samui | Sat, Apr 19 | Turkish AirlinesNZD 1,235 NZD 1,69327% OFF27% OFFNZD 1,693 NZD 1,235
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IAD 13:3036h 40m2 stopsUSM 13:10Washington D.C. - Koh Samui | Tue, Apr 1 | Turkish AirlinesNZD 1,236 NZD 1,69327% OFF27% OFFNZD 1,693 NZD 1,236
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IAD 22:2535h 15m2 stopsUSM 20:40Washington D.C. - Koh Samui | Wed, Mar 26 | Turkish AirlinesNZD 1,25126% OFFNZD 1,693 NZD 1,251
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IAD 12:3541h2 stopsUSM 16:35Washington D.C. - Koh Samui | Tue, Apr 8 | Turkish AirlinesNZD 1,26225% OFFNZD 1,693 NZD 1,262
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IAD 21:4025h 30m2 stopsUSM 10:10Washington D.C. - Koh Samui | Thu, Apr 3 | Turkish AirlinesNZD 1,31822% OFFNZD 1,693 NZD 1,318
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IAD 10:5533h 55m2 stopsUSM 07:50Washington D.C. - Koh Samui | Wed, Apr 9 | Qatar AirwaysNZD 1,38218% OFFNZD 1,693 NZD 1,382
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IAD 21:0534h 25m2 stopsUSM 18:30Washington D.C. - Koh Samui | Thu, May 1 | Qatar AirwaysNZD 1,39917% OFFNZD 1,693 NZD 1,399
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IAD 07:0048h 35m2 stopsUSM 18:35Washington D.C. - Koh Samui | Tue, Apr 8 | Alaska AirlinesNZD 1,41217% OFFNZD 1,693 NZD 1,412 -
IAD 10:5533h 55m2 stopsUSM 07:50Washington D.C. - Koh Samui | Sun, Apr 13 | Qatar AirwaysNZD 1,42216% OFFNZD 1,693 NZD 1,422
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WAS 13:0017h 25m1 stopsUSM Invalid DateWashington D.C. - Koh Samui | Fri, Mar 28 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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FAQ
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When are flight tickets from Washington D.C. (WAS) to Koh Samui (USM) the cheapest?
Airlines adjust prices for flights from Washington D.C. to Koh Samui based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Washington D.C. (WAS) to Koh Samui (USM) cost?
According to Trip.com's data, the lowest price is around NZD 3,528. -
What is the transportation method from the main airport to downtown in Koh Samui?
- The distance from Samui International Airport to downtown is about 3 km. It takes about 20 minutes by taxi.
How to find a cheap flight from Washington D.C. to Koh Samui
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to Koh Samui. Book your flights at the right time and save more.
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Flight Information from Washington D.C. to Koh Samui
| Off-season for travel | March |
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| Peak season for travel | June |
| Flight distance | 14,621.12 km |
| Popular airline | British Airways |