$399+ Cheap flights from Seattle (SEA) to Bangkok
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Bangkok with Cheapflights
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Cheapest flights from Seattle to BangkokExplore the most affordable flight options available from Seattle to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Seattle to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This oojo deal was found by Cheapflights users on 9/10. 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 11/38:40 am -
1 stop20h 20m
Tue 11/2412:00 pm -
1 stop34h 05m
Deal found 9/10![Singapore Airlines logo]()
$784
This SmartFares deal was found by Cheapflights users on 9/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:10 am -
1 stop20h 30m
Mon 9/281:35 am -
1 stop27h 40m
Deal found 9/5![Asiana Airlines logo]()
$786
This Gotogate deal was found by Cheapflights users on 9/7. 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 11/2312:10 am -
1 stop30h 50m
Sun 2/2812:25 pm -
1 stop16h 30m
Deal found 9/7![Asiana Airlines logo]()
$787
This Justfly.com deal was found by Cheapflights users on 9/5. 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.
Sun 11/112:10 am -
1 stop30h 50m
Mon 11/912:25 pm -
1 stop16h 30m
Deal found 9/5![Asiana Airlines logo]()
$788
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2812:10 am -
1 stop20h 05m
Mon 1/1812:25 pm -
1 stop16h 30m
Deal found 9/9![Asiana Airlines logo]()
$792
This Gotogate deal was found by Cheapflights users on 9/5. 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 11/112:10 am -
1 stop30h 50m
Wed 4/2111:45 am -
1 stop17h 10m
Deal found 9/5![Asiana Airlines logo]()
$793
This SmartFares deal was found by Cheapflights users on 9/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:10 am -
1 stop20h 55m
Fri 11/2012:25 pm -
1 stop16h 30m
Deal found 9/8![Asiana Airlines logo]()
$795
This oojo deal was found by Cheapflights users on 9/10. 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.
Sun 9/1310:15 am -
1 stop31h 50m
Thu 10/159:20 am -
1 stop37h 25m
Deal found 9/10![Singapore Airlines logo]()
$796
This oojo deal was found by Cheapflights users on 9/5. 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 11/188:40 am -
1 stop20h 20m
Sun 12/69:15 pm -
1 stop72h 50m
Deal found 9/5![Singapore Airlines logo]()
$798
This oojo deal was found by Cheapflights users on 9/10. 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 9/2212:10 am -
1 stop20h 30m
Wed 9/301:35 am -
1 stop27h 40m
Deal found 9/10![Asiana Airlines logo]()
$800
This Mytrip deal was found by Cheapflights users on 9/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:15 am -
2 stops26h 20m
Tue 9/291:40 pm -
2 stops19h 35m
Deal found 9/8![Multiple Airlines logo]()
$972
This Mytrip deal was found by Cheapflights users on 9/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:15 am -
2 stops26h 20m
Tue 10/67:30 am -
2 stops25h 45m
Deal found 9/8![Multiple Airlines logo]()
$975
Best flights from Seattle to BangkokDiscover carefully curated flight deals from Seattle to Bangkok that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Seattle to Bangkok that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/5. 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 12/212:30 pm -
1 stop19h 35m
Wed 12/169:40 pm -
1 stop29h 16m
Deal found 9/5![Delta logo]()
$813
This Korean Air deal was found by Cheapflights users on 9/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:00 am -
1 stop19h 30m
Mon 11/231:05 am -
1 stop23h 00m
Deal found 9/7![Korean Air logo]()
$817
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 11/47:00 am -
3 stops37h 30m
Mon 11/169:10 am -
1 stop19h 10m
Deal found 9/9![United Airlines logo]()
$827
This Emirates deal was found by Cheapflights users on 9/6. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:15 pm -
1 stop37h 30m
Fri 12/118:55 am -
1 stop42h 40m
Deal found 9/6![Emirates logo]()
$1,298
This Qatar Airways deal was found by Cheapflights users on 9/6. 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.
Fri 10/94:25 pm -
2 stops54h 15m
Wed 10/281:40 pm -
2 stops37h 00m
Deal found 9/6![Multiple Airlines logo]()
$1,332
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:30 pm -
1 stop20h 50m
Thu 11/1911:15 pm -
1 stop27h 36m
Deal found 9/8![Delta logo]()
$813
This Korean Air deal was found by Cheapflights users on 9/9. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:15 am -
2 stops47h 15m
Sun 12/139:40 pm -
1 stop26h 25m
Deal found 9/9![Korean Air logo]()
$822
This United Airlines deal was found by Cheapflights users on 9/6. 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 12/43:40 pm -
1 stop22h 30m
Sun 12/137:10 am -
2 stops31h 03m
Deal found 9/6![United Airlines logo]()
$830
This Korean Air deal was found by Cheapflights users on 9/5. 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 12/211:00 am -
1 stop35h 25m
Wed 12/169:50 am -
2 stops27h 19m
Deal found 9/5![Korean Air logo]()
$828
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/64:30 pm -
2 stops27h 05m
Mon 10/129:35 am -
1 stop18h 50m
Deal found 9/8![United Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/283:35 pm -
3 stops29h 55m
Wed 11/189:10 am -
2 stops24h 59m
Deal found 9/9![United Airlines logo]()
$838
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 10/44:30 pm -
1 stop22h 05m
Sun 10/113:45 pm -
2 stops45h 41m
Deal found 9/5![United Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/24:39 pm -
2 stops27h 51m
Mon 11/234:55 pm -
2 stops43h 55m
Deal found 9/9![United Airlines logo]()
$848
This Emirates deal was found by Cheapflights users on 9/6. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:05 pm -
1 stop27h 00m
Fri 12/188:55 am -
1 stop42h 40m
Deal found 9/6![Emirates logo]()
$1,298
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 9/166:52 pm -
2 stops24h 43m
Sun 12/69:10 am -
1 stop19h 10m
Deal found 9/9![United Airlines logo]()
$848
This Emirates deal was found by Cheapflights users on 9/9. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:05 pm -
1 stop37h 05m
Tue 12/111:00 pm -
1 stop28h 35m
Deal found 9/9![Emirates logo]()
$1,299
This Emirates deal was found by Cheapflights users on 9/8. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:05 pm -
1 stop27h 00m
Fri 12/118:55 am -
1 stop42h 40m
Deal found 9/8![Emirates logo]()
$1,299
This Emirates deal was found by Cheapflights users on 9/7. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:05 pm -
1 stop37h 05m
Mon 11/211:10 am -
1 stop40h 25m
Deal found 9/7![Emirates logo]()
$1,348
This Emirates deal was found by Cheapflights users on 9/5. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:15 pm -
1 stop27h 55m
Sat 10/2411:50 pm -
1 stop27h 45m
Deal found 9/5![Emirates logo]()
$1,348
This Emirates deal was found by Cheapflights users on 9/5. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:05 pm -
1 stop37h 05m
Tue 12/228:55 am -
1 stop42h 40m
Deal found 9/5![Emirates logo]()
$1,348
This Emirates deal was found by Cheapflights users on 9/8. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:05 pm -
1 stop37h 05m
Fri 12/1811:10 am -
1 stop40h 25m
Deal found 9/8![Emirates logo]()
$1,349
Last-minute flights from Seattle to BangkokDiscover last-minute flight deals from Seattle to Bangkok. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bangkok. Data last updated September 10, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/10. 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.
Sun 9/1310:15 am -
1 stop31h 50m
Thu 10/159:20 am -
1 stop37h 25m
Deal found 9/10![Singapore Airlines logo]()
$796
This SmartFares deal was found by Cheapflights users on 9/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:10 am -
1 stop20h 30m
Mon 9/281:35 am -
1 stop27h 40m
Deal found 9/5![Asiana Airlines logo]()
$786
This Mytrip deal was found by Cheapflights users on 9/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:15 am -
2 stops26h 20m
Tue 9/291:40 pm -
2 stops19h 35m
Deal found 9/8![Multiple Airlines logo]()
$972
This oojo deal was found by Cheapflights users on 9/10. 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 9/2212:10 am -
1 stop20h 30m
Wed 9/301:35 am -
1 stop27h 40m
Deal found 9/10![Asiana Airlines logo]()
$800
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 9/2212:50 pm -
1 stop18h 55m
Tue 9/299:50 am -
2 stops26h 04m
Deal found 9/8![Korean Air logo]()
$810
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:00 pm -
1 stop18h 45m
Wed 9/309:40 pm -
1 stop29h 34m
Deal found 9/7![Delta logo]()
$813
This FlightHub deal was found by Cheapflights users on 9/6. 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 10/412:10 am -
1 stop33h 25m
Mon 10/1211:45 am -
1 stop17h 30m
Deal found 9/6![Asiana Airlines logo]()
$802
This FlightHub deal was found by Cheapflights users on 9/5. 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 10/1212:10 am -
1 stop33h 25m
Tue 10/2712:25 pm -
1 stop16h 30m
Deal found 9/5![Asiana Airlines logo]()
$801
This Goibibo deal was found by Cheapflights users on 9/9. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:50 pm -
1 stop34h 45m
Fri 12/119:50 am -
1 stop38h 15m
Deal found 9/9![Korean Air logo]()
$806
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/2112:50 pm -
1 stop18h 55m
Tue 10/271:05 am -
1 stop23h 00m
Deal found 9/5![Korean Air logo]()
$798
This SmartFares deal was found by Cheapflights users on 9/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:10 am -
1 stop20h 55m
Fri 11/2012:25 pm -
1 stop16h 30m
Deal found 9/8![Asiana Airlines logo]()
$795
This FlightHub deal was found by Cheapflights users on 9/6. 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 10/3012:10 am -
1 stop31h 50m
Sun 11/811:55 pm -
1 stop29h 00m
Deal found 9/6![Asiana Airlines logo]()
$788
One-way flights from Seattle to BangkokSearch for one-way flight options from Seattle to Bangkok. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Seattle to Bangkok. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/310:20 am -
1 stop22h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Hainan Airlines logo]()
$399
This SmartFares deal was found by Cheapflights users on 9/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:10 am -
1 stop21h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Asiana Airlines logo]()
$400
This SmartFares deal was found by Cheapflights users on 9/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:10 am -
1 stop20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Asiana Airlines logo]()
$401
This Trip.com deal was found by Cheapflights users on 9/9. 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.
Sun 9/2011:10 pm -
1 stop29h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Philippine Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 9/2112:10 am -
1 stop33h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Asiana Airlines logo]()
$406
This FlightHub deal was found by Cheapflights users on 9/9. 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 9/1511:00 am -
1 stop35h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Hainan Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/1812:50 pm -
1 stop34h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Korean Air logo]()
$413
This ezTravel 易遊網 deal was found by Cheapflights users on 9/9. 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 ezTravel 易遊網 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2211:45 pm -
1 stop21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![STARLUX Airlines logo]()
$417
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:15 pm -
2 stops42h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Air Canada logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sun 10/411:10 pm -
1 stop29h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Philippine Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:40 am -
2 stops24h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 11/288:40 am -
2 stops24h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$438
Find flight deals from Seattle to Bangkok
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Bangkok (TH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 10, 2026.
Round-trip from | $783 (Gotogate) |
|---|---|
One-way from | $399 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $824 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Bangkok 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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Seattle to Bangkok that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Fri 11/6
12:30 pm-12:20 am
1 stop20h 50m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$427
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Sun 10/4
1:00 pm-11:35 pm
1 stop20h 35m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$427
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Mon 11/2
12:30 pm-11:05 pm
1 stop19h 35m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$427
Quickest round-trip
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Sun 11/8
11:00 am-9:30 pm
1 stop19h 30m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$429
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Sun 10/25
4:40 pm-5:10 am
1 stop22h 30m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$429
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Sat 10/3
1:22 pm-9:35 am
3 stops30h 13m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$433
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Mon 11/2
1:16 pm-11:30 am
3 stops31h 14m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$433
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Sun 11/8
1:16 pm-11:30 am
3 stops31h 14m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$433
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Tue 9/22
3:30 pm-9:35 am
3 stops28h 05m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$433
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Sat 10/31
4:39 pm-11:30 am
2 stops28h 51m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$433
Showing 1-10 of 41 resultsSorted by cheapest first
Best time to book a flight from Seattle to Bangkok
Have a flexible travel schedule? Discover the best time to fly to Bangkok from Seattle with our price prediction graph.
SEA-TH1
SEA-BKK
SEA-DMK
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 Seattle to Bangkok
SEA-TH1
SEA-BKK
SEA-DMK
What is the cheapest month to book a flight from Seattle to Bangkok?
Currently, March is the cheapest month in which you can book a flight from Seattle to Bangkok (average of $749). Flying from Seattle to Bangkok in June is currently the most expensive (average of $1,258). 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.
How much does it cost to fly round-trip from Seattle to Bangkok?
Airfare is typical for this route at the moment.
Seattle to Bangkok flights typically cost between $690 and $923 in February.The cheapest round-trip price found within the last 5 days was $783 on Asiana Airlines (Feb 14-Feb 22).
How far ahead should I book a flight from Seattle to Bangkok?
To ensure you get the cheapest price possible for a flight from Seattle to Bangkok, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Bangkok
Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated September 10, 2026.
Read reviews from past customers who have flown EVA Air,China Airlines, andANA from Seattle to Bangkok. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.5
Entertainment
8.0
Overall
8.5
Crew
8.7
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Boarding
8.5
Entertainment
8.0
Overall
8.5
Crew
8.7
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Boarding
8.5
Entertainment
8.0
Overall
8.5
Crew
8.7
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Boarding
8.5
Entertainment
8.0
Overall
8.5
Crew
8.7
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Boarding
8.5
Entertainment
8.0
Overall
8.5
Crew
8.7
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Boarding
8.5
Entertainment
8.0
Overall
8.5
Crew
8.7
Food
8.1
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from Seattle to Bangkok. 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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Complete your trip
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Search flights from Seattle to Bangkok by cabin class
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Seattle and Bangkok flights
Browse other Seattle and Bangkok flight options. Last updated on September 10, 2026.
Other flights from Seattle
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from Seattle to Bangkok
Discover the top 10 airlines that operate flights from Seattle to Bangkok. 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$676 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$385 | Average$686 | FlexibilityNo cancel fee | On-time61% | |
| Cheapest$510 | Average$714 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$577 | Average$1,085 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$623 | Average$1,371 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$624 | Average$703 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$660 | Average$766 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$694 | Average$872 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$701 | Average$900 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$702 | Average$1,046 | FlexibilityNo cancel fee | On-time69% |