$435+ Cheap flights from Thailand to Washington
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
Mar 4 — Mar 111
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Thailand to WashingtonExplore the most affordable flight options available from Thailand to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
Explore the most affordable flight options available from Thailand to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:30 pm
BKK
- SEA
1 stop38h 35m
Philippine Airlines
Thu 7/1611:10 pm
SEA
- BKK
1 stop29h 20m
Philippine Airlines
Deal found 2/1![Philippine Airlines logo]()
$642
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:05 am
BKK
- SEA
1 stop21h 55m
Hainan Airlines
Tue 4/711:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$644
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:40 am
BKK
- SEA
1 stop19h 15m
Multiple Airlines
Sat 3/2812:10 am
SEA
- BKK
1 stop33h 30m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$648
This Trip.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:40 pm
BKK
- SEA
1 stop34h 25m
Philippine Airlines
Sun 5/1011:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Deal found 1/30![Philippine Airlines logo]()
$656
This Gotogate deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:30 pm
BKK
- SEA
1 stop31h 25m
Multiple Airlines
Mon 3/1612:10 am
SEA
- BKK
1 stop34h 35m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$657
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Tue 9/1512:55 am
SEA
- BKK
1 stop20h 20m
Asiana Airlines
Deal found 2/1![Asiana Airlines logo]()
$658
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:35 am
BKK
- SEA
2 stops29h 37m
United Airlines
Thu 7/304:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Deal found 2/1![United Airlines logo]()
$666
This FlightHub deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Sun 3/812:10 am
SEA
- BKK
1 stop31h 50m
Asiana Airlines
Deal found 1/31![Asiana Airlines logo]()
$667
This Trip.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:30 pm
BKK
- SEA
1 stop38h 35m
Philippine Airlines
Tue 6/2311:10 pm
SEA
- BKK
1 stop29h 20m
Philippine Airlines
Deal found 1/31![Philippine Airlines logo]()
$668
This KAYAK deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:35 am
BKK
- SEA
1 stop18h 50m
ANA
Wed 9/168:35 am
SEA
- BKK
2 stops25h 20m
ANA
Deal found 2/1![ANA logo]()
$669
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:20 pm
BKK
- SEA
1 stop20h 20m
Philippine Airlines
Wed 3/2510:30 pm
SEA
- BKK
1 stop23h 30m
Philippine Airlines
Deal found 2/1![Philippine Airlines logo]()
$670
This Gotogate deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:20 pm
BKK
- SEA
1 stop16h 35m
Multiple Airlines
Sun 3/812:10 am
SEA
- BKK
1 stop34h 45m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$672
Best flights from Thailand to WashingtonDiscover carefully curated flight deals from Thailand to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
Discover carefully curated flight deals from Thailand to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Sun 5/107:08 am
SEA
- BKK
2 stops36h 27m
United Airlines
Deal found 1/30![United Airlines logo]()
$674
This Asiana Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Fri 5/1512:55 am
SEA
- BKK
1 stop20h 20m
Asiana Airlines
Deal found 2/2![Asiana Airlines logo]()
$702
This Air Canada deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:05 am
BKK
- PDX
1 stop16h 25m
Air Canada
Sat 8/1510:10 am
PDX
- BKK
1 stop28h 55m
Air Canada
Deal found 2/1![Air Canada logo]()
$848
This EaseMyTrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:55 am
CNX
- SEA
2 stops21h 55m
EVA Air
Tue 8/112:10 am
SEA
- CNX
1 stop18h 15m
EVA Air
Deal found 2/1![EVA Air logo]()
$880
This China Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:30 pm
BKK
- PDX
2 stops19h 23m
Multiple Airlines
Tue 6/25:40 pm
PDX
- BKK
2 stops26h 05m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$884
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Sat 9/52:52 pm
SEA
- BKK
2 stops28h 43m
United Airlines
Deal found 2/1![United Airlines logo]()
$675
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Wed 8/124:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Deal found 2/1![United Airlines logo]()
$681
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/209:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Wed 8/124:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Deal found 2/1![United Airlines logo]()
$681
This Air Canada deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:05 am
BKK
- PDX
1 stop16h 25m
Air Canada
Tue 6/23:25 pm
PDX
- BKK
2 stops41h 45m
Air Canada
Deal found 2/1![Air Canada logo]()
$891
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:35 am
BKK
- PDX
2 stops26h 12m
EVA Air
Sat 8/155:50 pm
PDX
- BKK
2 stops27h 30m
EVA Air
Deal found 2/2![EVA Air logo]()
$894
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/209:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Tue 8/114:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Deal found 2/1![United Airlines logo]()
$681
This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/145:15 pm
BKK
- PDX
2 stops18h 55m
Multiple Airlines
Wed 2/187:05 am
PDX
- BKK
2 stops25h 35m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$912
This Qatar Airways deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:45 pm
CNX
- PDX
3 stops38h 54m
Qatar Airways
Wed 4/11:35 pm
PDX
- CNX
3 stops31h 40m
Qatar Airways
Deal found 2/1![Qatar Airways logo]()
$1,884
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:35 am
BKK
- PDX
2 stops28h 47m
EVA Air
Wed 6/37:00 am
PDX
- BKK
2 stops26h 30m
EVA Air
Deal found 2/2![EVA Air logo]()
$903
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:35 am
BKK
- SEA
2 stops29h 37m
United Airlines
Thu 7/306:30 am
SEA
- BKK
2 stops32h 05m
United Airlines
Deal found 2/1![United Airlines logo]()
$687
This Kiwi.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:20 am
DMK
- SEA
2 stops24h 10m
Multiple Airlines
Sun 5/1011:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$954
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:45 pm
BKK
- SEA
2 stops37h 01m
United Airlines
Mon 4/276:20 am
SEA
- BKK
2 stops37h 15m
United Airlines
Deal found 1/31![United Airlines logo]()
$694
This EaseMyTrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:10 pm
CNX
- SEA
2 stops36h 00m
Multiple Airlines
Tue 8/112:10 am
SEA
- CNX
1 stop18h 15m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$991
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:35 am
BKK
- SEA
2 stops26h 43m
United Airlines
Wed 9/168:35 am
SEA
- BKK
2 stops25h 20m
United Airlines
Deal found 2/1![United Airlines logo]()
$702
This EVA Air deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:50 am
CNX
- SEA
1 stop21h 20m
EVA Air
Wed 4/291:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Deal found 2/2![EVA Air logo]()
$1,053
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/182:15 pm
DMK
- SEA
2 stops19h 25m
Multiple Airlines
Thu 8/1311:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$995
This EVA Air deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:35 am
CNX
- SEA
1 stop22h 15m
EVA Air
Tue 9/221:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Deal found 2/1![EVA Air logo]()
$1,061
This Mytrip deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:40 am
DMK
- SEA
3 stops41h 55m
Multiple Airlines
Sun 3/812:10 am
SEA
- DMK
2 stops33h 00m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,048
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:00 am
BKK
- SEA
2 stops44h 58m
United Airlines
Wed 8/124:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Deal found 2/1![United Airlines logo]()
$791
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/183:45 pm
BKK
- SEA
2 stops31h 22m
United Airlines
Mon 8/104:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Deal found 2/1![United Airlines logo]()
$807
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:20 am
DMK
- SEA
2 stops23h 30m
Multiple Airlines
Thu 4/1611:10 pm
SEA
- DMK
1 stop32h 50m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,083
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:50 am
CNX
- PDX
2 stops42h 40m
EVA Air
Wed 4/110:48 am
PDX
- CNX
2 stops33h 37m
EVA Air
Deal found 2/1![EVA Air logo]()
$1,219
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:00 pm
DMK
- SEA
2 stops25h 05m
Multiple Airlines
Fri 4/1710:15 am
SEA
- DMK
1 stop22h 45m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,083
This EVA Air deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:55 am
CNX
- SEA
2 stops21h 15m
Multiple Airlines
Tue 9/221:30 am
SEA
- CNX
2 stops22h 15m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,092
This Mytrip deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:50 pm
DMK
- SEA
2 stops18h 40m
Multiple Airlines
Mon 3/161:10 am
SEA
- DMK
2 stops32h 00m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,104
Last-minute flights from Thailand to WashingtonDiscover last-minute flight deals from Thailand to Washington. Data last updated February 2, 2026 and is based on user searches.
Discover last-minute flight deals from Thailand to Washington. Data last updated February 2, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/211:50 pm
BKK
- SEA
1 stop33h 50m
Philippine Airlines
Sun 2/159:30 pm
SEA
- BKK
1 stop34h 30m
Philippine Airlines
Deal found 2/1![Philippine Airlines logo]()
$666
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/31:20 pm
BKK
- SEA
1 stop20h 20m
Philippine Airlines
Sun 2/159:30 pm
SEA
- BKK
1 stop34h 30m
Philippine Airlines
Deal found 2/1![Philippine Airlines logo]()
$686
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/61:20 pm
BKK
- SEA
1 stop20h 20m
Philippine Airlines
Thu 2/269:30 pm
SEA
- BKK
1 stop23h 30m
Philippine Airlines
Deal found 2/2![Philippine Airlines logo]()
$674
This Vliegwinkel deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/68:15 am
BKK
- PDX
1 stop16h 00m
Air Canada
Thu 2/193:15 pm
PDX
- BKK
1 stop24h 15m
Air Canada
Deal found 1/31![Air Canada logo]()
$826
This iWofly deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1011:50 pm
BKK
- SEA
1 stop33h 50m
Philippine Airlines
Tue 3/1010:30 pm
SEA
- BKK
1 stop34h 30m
Philippine Airlines
Deal found 2/1![Philippine Airlines logo]()
$691
This FlightHub deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Sun 3/812:10 am
SEA
- BKK
1 stop31h 50m
Asiana Airlines
Deal found 1/31![Asiana Airlines logo]()
$667
This Gotogate deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:20 pm
BKK
- SEA
1 stop16h 35m
Multiple Airlines
Sun 3/812:10 am
SEA
- BKK
1 stop34h 45m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$672
This Gotogate deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:30 pm
BKK
- SEA
1 stop31h 25m
Multiple Airlines
Mon 3/1612:10 am
SEA
- BKK
1 stop34h 35m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$657
This Justfly.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Mon 3/2312:10 am
SEA
- BKK
1 stop31h 50m
Asiana Airlines
Deal found 2/2![Asiana Airlines logo]()
$676
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:05 am
BKK
- SEA
1 stop21h 55m
Hainan Airlines
Tue 4/711:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$644
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:20 pm
BKK
- SEA
1 stop20h 20m
Philippine Airlines
Wed 3/2510:30 pm
SEA
- BKK
1 stop23h 30m
Philippine Airlines
Deal found 2/1![Philippine Airlines logo]()
$670
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:40 am
BKK
- SEA
1 stop19h 15m
Multiple Airlines
Sat 3/2812:10 am
SEA
- BKK
1 stop33h 30m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$648
One-way flights from Thailand to WashingtonSearch for one-way flight options from Thailand to Washington. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
Search for one-way flight options from Thailand to Washington. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
This oojo deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:25 pm
BKK
- SEA
1 stop20h 40m
Philippine Airlines
Deal found 1/30![Philippine Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/121:20 pm
BKK
- SEA
1 stop20h 20m
Philippine Airlines
Deal found 2/2![Philippine Airlines logo]()
$437
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:20 am
DMK
- SEA
2 stops24h 45m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$437
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:40 pm
BKK
- SEA
1 stop34h 25m
Philippine Airlines
Deal found 2/1![Philippine Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:15 pm
BKK
- SEA
2 stops41h 50m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/161:05 am
BKK
- SEA
1 stop21h 55m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:45 pm
BKK
- SEA
2 stops38h 20m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:45 pm
BKK
- SEA
2 stops37h 55m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/123:20 am
BKK
- SEA
2 stops30h 20m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/111:40 am
BKK
- SEA
2 stops32h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$455
This FlightHub deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/151:50 pm
BKK
- SEA
1 stop33h 10m
Hainan Airlines
Deal found 1/31![Hainan Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:10 am
BKK
- SEA
2 stops54h 32m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$459
Find flight deals from Thailand to Washington
Keep the following information in mind while searching for Thailand to Washington flight deals. Data was last updated February 2, 2026.
Round-trip from | $642 (oojo) |
|---|---|
One-way from | $435 (oojo) |
Popular in | July |
Cheapest in | December |
Average price | $846 |
Cheapflights Fare Finder
Customize your flight search to find flights from Thailand to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 2, 2026.
Use the filters below to find and compare flights from Thailand to Washington that are best for you.
Fly from
Thailand
Fly to
Washington
Route
Depart
Return
Price
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 4/27
9:35 am-2:25 pm
1 stop18h 50m
Seattle/Tacoma Intl
Sun 5/10
7:08 am-9:35 am
2 stops36h 27m
$674
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Fri 6/5
9:35 am-2:25 pm
1 stop18h 50m
Seattle/Tacoma Intl
Sat 9/5
2:52 pm-9:35 am
2 stops28h 43m
$675
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 6/18
9:35 am-2:25 pm
1 stop18h 50m
Seattle/Tacoma Intl
Wed 8/12
4:30 pm-4:35 am
1 stop22h 05m
$681
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Sat 6/20
9:35 am-2:25 pm
1 stop18h 50m
Seattle/Tacoma Intl
Wed 8/12
4:30 pm-4:35 am
1 stop22h 05m
$681
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Sat 6/20
9:35 am-2:25 pm
1 stop18h 50m
Seattle/Tacoma Intl
Tue 8/11
4:30 pm-4:35 am
1 stop22h 05m
$681
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Wed 5/20
9:35 am-1:12 am
2 stops29h 37m
Seattle/Tacoma Intl
Thu 7/30
6:30 am-4:35 am
2 stops32h 05m
$687
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 4/20
3:45 pm-2:46 pm
2 stops37h 01m
Seattle/Tacoma Intl
Mon 4/27
6:20 am-9:35 am
2 stops37h 15m
$694
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Tue 4/14
12:20 pm-2:55 pm
1 stop16h 35m
Seattle/Tacoma Intl
Fri 5/15
12:55 am-11:15 am
1 stop20h 20m
$702
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 6/1
9:35 am-10:18 pm
2 stops26h 43m
Seattle/Tacoma Intl
Wed 9/16
8:35 am-11:55 pm
2 stops25h 20m
$702
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Fri 6/19
7:00 am-1:58 pm
2 stops44h 58m
Seattle/Tacoma Intl
Wed 8/12
4:30 pm-4:35 am
1 stop22h 05m
$791
Showing 1-10 of 60 results
Best time to book a flight from Thailand to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Thailand with our price prediction graph.
BKK-SEA
BKK-PDX
CNX-SEA
DMK-SEA
CNX-PDX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Thailand to Washington
TH0-USWA
BKK-SEA
BKK-PDX
CNX-SEA
DMK-SEA
What is the cheapest month to book a flight from Thailand to State of Washington?
Currently, April is the cheapest month in which you can book a flight from Thailand to State of Washington (average of $622). Flying from Thailand to State of Washington in July is currently the most expensive (average of $761). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from TH to WA?
Find hourly flight availability from Thailand to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 2, 2026.
It’s optimal to fly from Thailand to State of Washington at noon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the evening.
What is the cheapest day to fly from Thailand to State of Washington?
Use this chart to determine the cheapest time to fly round-trip from Thailand to Washington. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Thailand to State of Washington flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated February 2, 2026.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air, and Korean Air from Thailand to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.9
Crew
9.1
Comfort
8.8
Food
8.6
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
8.9
Crew
9.1
Comfort
8.8
Food
8.6
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
8.9
Crew
9.1
Comfort
8.8
Food
8.6
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
8.9
Crew
9.1
Comfort
8.8
Food
8.6
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
8.9
Crew
9.1
Comfort
8.8
Food
8.6
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
8.9
Crew
9.1
Comfort
8.8
Food
8.6
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Related info for your journey
Find useful and relevant information for your journey from Thailand to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Thailand to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Thailand to Washington
Discover the top 8 airlines that operate flights from Thailand to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$624 | Average$658 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$705 | Average$824 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$766 | Average$868 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$768 | Average$1,067 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$781 | Average$856 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$803 | Average$900 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$829 | Average$922 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$845 | Average$976 | FlexibilityNo cancel fee | On-time76% |