฿17,170 Find Cheap Flights from Washington to Ko Samui – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ko Samui departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Washington to Ko Samui

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington to Ko Samui that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Washington to Ko Samui

Wed 2 Dec - Wed 9 Dec
Singapore Airlines Logo
08:45 - 17:10
SEA
-
USM
41h 25m
1 stop
Singapore Airlines Logo
19:45 - 07:10
USM
-
SEA
50h 25m
1 stop
฿29,331Singapore Airlines
Wed 2 Dec - Wed 9 Dec
Singapore Airlines Logo
08:45 - 17:10
SEA
-
USM
41h 25m
1 stop
Singapore Airlines Logo
19:45 - 07:10
USM
-
SEA
50h 25m
1 stop
฿29,396Singapore Airlines
Wed 11 Nov - Thu 17 Dec
Singapore Airlines Logo
08:45 - 08:00
SEA
-
USM
32h 15m
1 stop
Singapore Airlines Logo
16:25 - 07:10
USM
-
SEA
29h 45m
1 stop
฿31,770Singapore Airlines
Fri 27 Nov - Sun 13 Dec
Singapore Airlines Logo
08:45 - 08:00
SEA
-
USM
32h 15m
1 stop
Singapore Airlines Logo
19:45 - 07:10
USM
-
SEA
50h 25m
1 stop
฿34,859Singapore Airlines
Wed 11 Nov - Thu 17 Dec
Multiple Airlines Logo
08:45 - 08:00
SEA
-
USM
32h 15m
1 stop
Multiple Airlines Logo
17:40 - 07:10
USM
-
SEA
28h 30m
2 stops
฿34,957Multiple Airlines
Fri 27 Nov - Sun 13 Dec
Multiple Airlines Logo
23:45 - 15:35
SEA
-
USM
24h 50m
2 stops
Multiple Airlines Logo
07:00 - 15:05
USM
-
SEA
23h 05m
2 stops
฿37,428Multiple Airlines
Wed 11 Nov - Thu 17 Dec
Multiple Airlines Logo
23:45 - 15:35
SEA
-
USM
24h 50m
2 stops
Multiple Airlines Logo
09:20 - 15:05
USM
-
SEA
20h 45m
2 stops
฿38,046Multiple Airlines
Fri 27 Nov - Sun 13 Dec
Multiple Airlines Logo
23:45 - 15:35
SEA
-
USM
24h 50m
2 stops
Multiple Airlines Logo
07:00 - 15:05
USM
-
SEA
23h 05m
2 stops
฿38,371Multiple Airlines
Sat 5 Dec - Tue 2 Mar
Singapore Airlines Logo
08:45 - 08:00
SEA
-
USM
32h 15m
1 stop
Singapore Airlines Logo
13:25 - 07:10
USM
-
SEA
32h 45m
1 stop
฿38,957Singapore Airlines
Tue 1 Dec - Wed 9 Dec
EVA Air Logo
00:10 - 17:00
SEA
-
USM
25h 50m
2 stops
EVA Air Logo
07:00 - 18:10
USM
-
SEA
26h 10m
2 stops
฿39,412EVA Air
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Good to know

Cheapest flight฿17,170
Flight from Seattle to Ko Samui

FAQs for booking flights from Washington to Ko Samui

  • How does KAYAK find such low prices on flights from Washington to Ko Samui?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Ko Samui.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Ko Samui?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington to Ko Samui?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Ko Samui with an airline and back to Washington with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Ko Samui?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Khanom
Ko Pha Ngan

Everything you need to know for your flight to Ko Samui

Information on the airport you'll fly into in Ko Samui

Ko Samui (USM)