$437+ 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 13 — Mar 201
1 adult, Economy
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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 11, 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 11, 2026.
This Gotogate deal was found by Cheapflights users on 2/8. 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.
Thu 6/182:35 am
BKK
- SEA
1 stop26h 20m
Multiple Airlines
Mon 6/2912:55 am
SEA
- BKK
1 stop34h 10m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$634
This Gotogate deal was found by Cheapflights users on 2/9. 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.
Wed 6/172:35 am
BKK
- SEA
1 stop26h 20m
Multiple Airlines
Mon 6/2912:55 am
SEA
- BKK
1 stop34h 10m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$635
This Gotogate deal was found by Cheapflights users on 2/7. 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 6/82:35 am
BKK
- SEA
1 stop26h 20m
Multiple Airlines
Thu 8/2712:55 am
SEA
- BKK
1 stop32h 30m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$638
This oojo deal was found by Cheapflights users on 2/11. 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 2/11![Hainan Airlines logo]()
$644
This FlightHub deal was found by Cheapflights users on 2/9. 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
Mon 8/3112:55 am
SEA
- BKK
1 stop19h 45m
Asiana Airlines
Deal found 2/9![Asiana Airlines logo]()
$652
This Gotogate deal was found by Cheapflights users on 2/9. 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.
Sun 3/82:05 am
BKK
- SEA
1 stop26h 50m
Multiple Airlines
Sun 8/2312:55 am
SEA
- BKK
1 stop34h 10m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$653
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/251:20 pm
BKK
- SEA
1 stop20h 20m
Philippine Airlines
Wed 4/111:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Deal found 2/8![Philippine Airlines logo]()
$657
This Gotogate deal was found by Cheapflights users on 2/9. 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.
Sun 3/82:05 am
BKK
- SEA
1 stop26h 50m
Multiple Airlines
Sun 7/2612:55 am
SEA
- BKK
1 stop34h 10m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$659
This oojo deal was found by Cheapflights users on 2/9. 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 4/1511:40 pm
BKK
- SEA
1 stop34h 25m
Philippine Airlines
Fri 5/1511:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Deal found 2/9![Philippine Airlines logo]()
$660
This Gotogate deal was found by Cheapflights users on 2/10. 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.
Sun 3/811:15 pm
BKK
- SEA
1 stop29h 40m
Multiple Airlines
Mon 7/2712:55 am
SEA
- BKK
1 stop34h 10m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$663
This oojo deal was found by Cheapflights users on 2/10. 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 4/1511:40 pm
BKK
- SEA
1 stop34h 25m
Philippine Airlines
Tue 6/3011:10 pm
SEA
- BKK
1 stop29h 20m
Philippine Airlines
Deal found 2/10![Philippine Airlines logo]()
$664
This Travelocity deal was found by Cheapflights users on 2/8. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:40 pm
BKK
- PDX
2 stops31h 09m
Multiple Airlines
Tue 5/197:00 am
PDX
- BKK
2 stops25h 40m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$761
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 11, 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 11, 2026.
This United Airlines deal was found by Cheapflights users on 2/8. 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
Tue 9/14:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Deal found 2/8![United Airlines logo]()
$668
This Asiana Airlines deal was found by Cheapflights users on 2/8. 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.
Thu 5/1411:45 am
BKK
- SEA
1 stop17h 10m
Asiana Airlines
Thu 6/2512:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Deal found 2/8![Asiana Airlines logo]()
$700
This oojo deal was found by Cheapflights users on 2/9. 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 5/1311:35 am
CNX
- SEA
1 stop21h 55m
EVA Air
Tue 6/3012:50 am
SEA
- CNX
1 stop19h 35m
EVA Air
Deal found 2/9![EVA Air logo]()
$773
This Gurufare deal was found by Cheapflights users on 2/8. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/251:20 pm
BKK
- GEG
2 stops24h 39m
Multiple Airlines
Wed 4/17:43 pm
GEG
- BKK
2 stops26h 27m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$810
This Air Canada deal was found by Cheapflights users on 2/11. 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 5/207:05 am
BKK
- PDX
1 stop26h 00m
Air Canada
Mon 11/23:15 pm
PDX
- BKK
1 stop24h 15m
Air Canada
Deal found 2/11![Air Canada logo]()
$823
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:40 pm
BKK
- PDX
2 stops35h 46m
Delta
Mon 11/27:40 pm
PDX
- BKK
2 stops38h 05m
Delta
Deal found 2/9![Delta logo]()
$839
This Korean Air deal was found by Cheapflights users on 2/11. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:30 pm
BKK
- PDX
2 stops29h 22m
Korean Air
Sat 8/1511:10 am
PDX
- BKK
2 stops20h 35m
Korean Air
Deal found 2/11![Korean Air logo]()
$847
This iWofly deal was found by Cheapflights users on 2/9. 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.
Thu 8/611:20 am
CNX
- SEA
1 stop22h 25m
China Airlines
Tue 9/291:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Deal found 2/9![China Airlines logo]()
$884
This United Airlines deal was found by Cheapflights users on 2/8. 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 9/57:32 pm
SEA
- BKK
2 stops24h 03m
United Airlines
Deal found 2/8![United Airlines logo]()
$671
This Asiana Airlines deal was found by Cheapflights users on 2/8. 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.
Sun 5/101:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Thu 6/2512:55 am
SEA
- BKK
1 stop19h 45m
Asiana Airlines
Deal found 2/8![Asiana Airlines logo]()
$700
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/94:55 pm
BKK
- SEA
2 stops44h 21m
United Airlines
Thu 8/204:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Deal found 2/9![United Airlines logo]()
$692
This Qatar Airways deal was found by Cheapflights users on 2/8. 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.
Tue 5/58:00 pm
CNX
- PDX
3 stops37h 34m
Qatar Airways
Tue 5/1910:40 am
PDX
- CNX
3 stops34h 35m
Qatar Airways
Deal found 2/8![Qatar Airways logo]()
$1,530
This Asiana Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 6/1211:45 am
BKK
- SEA
1 stop17h 10m
Asiana Airlines
Fri 7/1012:55 am
SEA
- BKK
1 stop19h 45m
Asiana Airlines
Deal found 2/10![Asiana Airlines logo]()
$702
This FlightHub deal was found by Cheapflights users on 2/9. 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 5/1411:35 am
CNX
- SEA
1 stop21h 15m
EVA Air
Tue 6/3012:50 am
SEA
- CNX
1 stop19h 35m
EVA Air
Deal found 2/9![EVA Air logo]()
$776
This Air Canada deal was found by Cheapflights users on 2/8. 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 stop26h 00m
Air Canada
Sat 8/1510:10 am
PDX
- BKK
1 stop28h 55m
Air Canada
Deal found 2/8![Air Canada logo]()
$844
This Asiana Airlines deal was found by Cheapflights users on 2/10. 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.
Mon 3/2312:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Fri 8/2112:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Deal found 2/10![Asiana Airlines logo]()
$702
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Tue 3/104:55 pm
BKK
- SEA
2 stops44h 21m
United Airlines
Thu 8/206:30 am
SEA
- BKK
2 stops32h 05m
United Airlines
Deal found 2/8![United Airlines logo]()
$708
This Asiana Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 6/111:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Thu 7/912:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Deal found 2/10![Asiana Airlines logo]()
$702
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Sun 3/83:45 pm
DMK
- SEA
2 stops41h 25m
Multiple Airlines
Tue 8/2510:15 am
SEA
- DMK
1 stop21h 55m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$942
This EaseMyTrip deal was found by Cheapflights users on 2/8. 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 7/18:00 pm
CNX
- SEA
2 stops37h 50m
EVA Air
Tue 8/112:10 am
SEA
- CNX
1 stop18h 15m
EVA Air
Deal found 2/8![EVA Air logo]()
$881
This Asiana Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 5/61:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Sun 6/1412:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Deal found 2/8![Asiana Airlines logo]()
$709
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Wed 5/1311:35 am
CNX
- SEA
1 stop21h 55m
EVA Air
Mon 6/291:50 am
SEA
- CNX
1 stop18h 35m
EVA Air
Deal found 2/9![EVA Air logo]()
$883
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/101:50 pm
DMK
- SEA
2 stops18h 40m
Multiple Airlines
Tue 5/1911:10 pm
SEA
- DMK
1 stop32h 50m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,012
This oojo deal was found by Cheapflights users on 2/8. 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 5/511:35 am
CNX
- PDX
2 stops47h 00m
EVA Air
Tue 5/197:00 am
PDX
- CNX
2 stops37h 25m
EVA Air
Deal found 2/8![EVA Air logo]()
$895
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/111:50 pm
DMK
- SEA
2 stops19h 20m
Multiple Airlines
Tue 5/1911:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,051
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Fri 6/1910:00 pm
DMK
- SEA
2 stops25h 00m
Multiple Airlines
Tue 6/3012:55 am
SEA
- DMK
1 stop24h 35m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,061
This Mytrip deal was found by Cheapflights users on 2/9. 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 3/91:50 pm
DMK
- SEA
2 stops19h 20m
Multiple Airlines
Thu 8/2010:15 am
SEA
- DMK
1 stop22h 45m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,062
This Mytrip deal was found by Cheapflights users on 2/9. 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.
Sun 3/81:50 pm
DMK
- SEA
2 stops19h 20m
Multiple Airlines
Thu 8/2010:15 am
SEA
- DMK
1 stop22h 45m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,062
This Mytrip deal was found by Cheapflights users on 2/7. 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 6/99:55 am
DMK
- SEA
2 stops23h 45m
Multiple Airlines
Fri 8/2810:15 am
SEA
- DMK
1 stop22h 45m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$1,064
This Qatar Airways deal was found by Cheapflights users on 2/8. 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 4/112:07 pm
PDX
- CNX
3 stops33h 08m
Qatar Airways
Deal found 2/8![Qatar Airways logo]()
$1,984
Last-minute flights from Thailand to WashingtonDiscover last-minute flight deals from Thailand to Washington. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from Thailand to Washington. Data last updated February 11, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 2/9. 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 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 2/9![Asiana Airlines logo]()
$670
This Gotogate deal was found by Cheapflights users on 2/9. 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.
Sun 3/82:05 am
BKK
- SEA
1 stop26h 50m
Multiple Airlines
Sun 8/2312:55 am
SEA
- BKK
1 stop34h 10m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$653
This Gotogate deal was found by Cheapflights users on 2/9. 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.
Sun 3/811:15 pm
BKK
- SEA
1 stop29h 40m
Multiple Airlines
Mon 8/2412:55 am
SEA
- BKK
1 stop34h 10m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$656
This Gotogate deal was found by Cheapflights users on 2/9. 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.
Sun 3/82:05 am
BKK
- SEA
1 stop26h 50m
Multiple Airlines
Sun 7/2612:55 am
SEA
- BKK
1 stop34h 10m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$659
This Gotogate deal was found by Cheapflights users on 2/10. 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.
Sun 3/811:15 pm
BKK
- SEA
1 stop29h 40m
Multiple Airlines
Mon 7/2712:55 am
SEA
- BKK
1 stop34h 10m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$663
This Gotogate deal was found by Cheapflights users on 2/9. 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.
Sun 3/811:15 pm
BKK
- SEA
1 stop29h 40m
Multiple Airlines
Sun 7/1912:55 am
SEA
- BKK
1 stop34h 10m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$665
This Trip.com deal was found by Cheapflights users on 2/9. 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 3/911:50 pm
BKK
- SEA
1 stop33h 50m
Philippine Airlines
Thu 8/2011:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Deal found 2/9![Philippine Airlines logo]()
$672
This oojo deal was found by Cheapflights users on 2/10. 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 3/101:20 pm
BKK
- SEA
1 stop20h 20m
Philippine Airlines
Tue 3/1710:30 pm
SEA
- BKK
1 stop34h 30m
Philippine Airlines
Deal found 2/10![Philippine Airlines logo]()
$671
This oojo deal was found by Cheapflights users on 2/9. 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 2/9![Hainan Airlines logo]()
$644
This FlightHub deal was found by Cheapflights users on 2/11. 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 3/201:05 am
BKK
- SEA
1 stop21h 55m
Hainan Airlines
Tue 3/3111:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Deal found 2/11![Hainan Airlines logo]()
$668
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/231:05 am
BKK
- SEA
1 stop21h 55m
Hainan Airlines
Tue 3/3111:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Deal found 2/11![Hainan Airlines logo]()
$667
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/251:20 pm
BKK
- SEA
1 stop20h 20m
Philippine Airlines
Wed 4/111:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Deal found 2/8![Philippine Airlines logo]()
$657
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 11, 2026.
Search for one-way flight options from Thailand to Washington. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
This Booking.com deal was found by Cheapflights users on 2/8. 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 Booking.com 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 2/8![Philippine Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 5/141:25 pm
BKK
- SEA
1 stop20h 40m
Philippine Airlines
Deal found 2/9![Philippine Airlines logo]()
$438
This FlightHub deal was found by Cheapflights users on 2/10. 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 7/91:25 pm
BKK
- SEA
1 stop20h 40m
Philippine Airlines
Deal found 2/10![Philippine Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 5/410:10 am
BKK
- SEA
2 stops47h 55m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/1710:40 am
BKK
- SEA
2 stops47h 00m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 5/123:30 pm
DMK
- SEA
2 stops42h 35m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/313:30 pm
DMK
- SEA
2 stops42h 35m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$444
This Philippine Airlines deal was found by Cheapflights users on 2/9. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:20 pm
BKK
- SEA
1 stop20h 20m
Philippine Airlines
Deal found 2/9![Philippine Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/317:30 pm
BKK
- SEA
1 stop38h 35m
Philippine Airlines
Deal found 2/8![Philippine Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/315:40 pm
BKK
- SEA
2 stops40h 25m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$450
This Trip.com deal was found by Cheapflights users on 2/9. 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 4/2810:30 am
CNX
- SEA
2 stops23h 35m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Fri 5/812:40 am
BKK
- SEA
1 stop22h 20m
Hainan Airlines
Deal found 2/9![Hainan Airlines logo]()
$452
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 11, 2026.
Round-trip from | $634 (Gotogate) |
|---|---|
One-way from | $437 (Booking.com) |
Popular in | July |
Cheapest in | December |
Average price | $767 |
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 11, 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 6/1
9:35 am-10:18 pm
2 stops26h 43m
Seattle/Tacoma Intl
Tue 9/1
4:30 pm-4:35 am
1 stop22h 05m
$668
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Fri 6/5
9:35 am-2:25 pm
1 stop18h 50m
Seattle/Tacoma Intl
Sat 9/5
7:32 pm-9:35 am
2 stops24h 03m
$671
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 3/9
4:55 pm-11:16 pm
2 stops44h 21m
Seattle/Tacoma Intl
Thu 8/20
4:30 pm-4:35 am
1 stop22h 05m
$692
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 5/14
11:45 am-2:55 pm
1 stop17h 10m
Seattle/Tacoma Intl
Thu 6/25
12:55 am-11:20 pm
1 stop32h 25m
$700
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Sun 5/10
1:20 am-2:55 pm
1 stop27h 35m
Seattle/Tacoma Intl
Thu 6/25
12:55 am-10:40 am
1 stop19h 45m
$700
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Fri 6/12
11:45 am-2:55 pm
1 stop17h 10m
Seattle/Tacoma Intl
Fri 7/10
12:55 am-10:40 am
1 stop19h 45m
$702
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 3/23
12:20 pm-2:55 pm
1 stop16h 35m
Seattle/Tacoma Intl
Fri 8/21
12:55 am-11:20 pm
1 stop32h 25m
$702
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 6/11
1:20 am-2:55 pm
1 stop27h 35m
Seattle/Tacoma Intl
Thu 7/9
12:55 am-11:20 pm
1 stop32h 25m
$702
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Tue 3/10
4:55 pm-11:16 pm
2 stops44h 21m
Seattle/Tacoma Intl
Thu 8/20
6:30 am-4:35 am
2 stops32h 05m
$708
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Wed 5/6
1:20 am-2:55 pm
1 stop27h 35m
Seattle/Tacoma Intl
Sun 6/14
12:55 am-11:20 pm
1 stop32h 25m
$709
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
DMK-SEA
CNX-SEA
BKK-PDX
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
DMK-SEA
CNX-SEA
BKK-PDX
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 11, 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 11, 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.
Crew
9.2
Overall
8.9
Boarding
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Overall
8.9
Boarding
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Overall
8.9
Boarding
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Overall
8.9
Boarding
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Overall
8.9
Boarding
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Overall
8.9
Boarding
8.9
Comfort
8.9
Entertainment
8.8
Food
8.7
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.
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Alternative routes for Thailand to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Thailand to Washington by cabin class
Find flights from Thailand to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Thailand and Washington flights
Browse other Thailand and Washington flight options. Last updated on February 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Washington
Find the right flight back to Thailand after your stay in Washington
Thailand to Washington flights
Consider these flights traveling from Thailand to Washington.
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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$624 | Average$658 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$655 | Average$891 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$705 | Average$824 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$766 | Average$866 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$768 | Average$1,069 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$776 | Average$856 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$803 | Average$900 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$829 | Average$920 | FlexibilityNo cancel fee | On-timeN/A |