$371+ Cheap flights from Seattle (SEA) to Bangkok
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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
May 17 — May 241
Round-trip
1 adult, Economy
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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 April 17, 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 April 17, 2026.
This oojo deal was found by Cheapflights users on 4/13. 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 10/1310:15 am
SEA
- BKK
1 stop41h 00m
Singapore Airlines
Wed 10/289:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/13![Singapore Airlines logo]()
$659
This Justfly.com deal was found by Cheapflights users on 4/13. 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.
Thu 10/2210:15 am
SEA
- BKK
1 stop31h 50m
Singapore Airlines
Thu 11/59:10 pm
BKK
- SEA
1 stop25h 00m
Singapore Airlines
Deal found 4/13![Singapore Airlines logo]()
$685
This oojo deal was found by Cheapflights users on 4/15. 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.
Thu 10/2210:15 am
SEA
- BKK
1 stop34h 45m
Singapore Airlines
Mon 11/169:10 pm
BKK
- SEA
1 stop25h 00m
Singapore Airlines
Deal found 4/15![Singapore Airlines logo]()
$686
This oojo deal was found by Cheapflights users on 4/12. 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 10/410:15 am
SEA
- BKK
1 stop41h 00m
Singapore Airlines
Thu 10/299:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/12![Singapore Airlines logo]()
$702
This oojo deal was found by Cheapflights users on 4/16. 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 11/18:45 am
SEA
- BKK
1 stop38h 50m
Singapore Airlines
Mon 11/99:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/16![Singapore Airlines logo]()
$703
This Justfly.com deal was found by Cheapflights users on 4/16. 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 11/1511:55 pm
SEA
- BKK
1 stop21h 10m
Multiple Airlines
Mon 11/304:20 pm
BKK
- SEA
1 stop30h 40m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$704
This oojo deal was found by Cheapflights users on 4/16. 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 11/1511:55 pm
SEA
- BKK
1 stop21h 10m
Philippine Airlines
Mon 11/301:30 pm
BKK
- SEA
1 stop20h 05m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$706
This Philippine Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 9/1111:10 pm
SEA
- BKK
1 stop33h 30m
Philippine Airlines
Thu 12/101:30 pm
BKK
- SEA
1 stop20h 05m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$707
This FlightHub deal was found by Cheapflights users on 4/16. 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 11/2211:55 pm
SEA
- BKK
1 stop30h 55m
Philippine Airlines
Tue 12/810:50 pm
BKK
- SEA
1 stop35h 45m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$708
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 9/1311:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Mon 12/141:30 pm
BKK
- SEA
1 stop20h 05m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$709
This oojo deal was found by Cheapflights users on 4/16. 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 8/2511:10 pm
SEA
- BKK
1 stop19h 45m
Philippine Airlines
Mon 9/147:30 pm
BKK
- SEA
1 stop38h 35m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$713
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 9/2011:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Fri 9/257:30 am
DMK
- SEA
2 stops21h 45m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$888
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 April 17, 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 April 17, 2026.
This SAUDIA deal was found by Cheapflights users on 4/14. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:20 am
SEA
- BKK
2 stops50h 45m
SAUDIA
Fri 5/83:20 pm
BKK
- SEA
2 stops45h 04m
SAUDIA
Deal found 4/14![SAUDIA logo]()
$941
This Korean Air deal was found by Cheapflights users on 4/12. 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.
Mon 5/47:00 am
SEA
- BKK
2 stops40h 35m
Korean Air
Tue 5/1211:30 pm
BKK
- SEA
1 stop25h 10m
Korean Air
Deal found 4/12![Korean Air logo]()
$965
This Delta deal was found by Cheapflights users on 4/16. 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.
Mon 9/281:00 pm
SEA
- BKK
1 stop22h 05m
Delta
Tue 10/279:40 am
BKK
- SEA
1 stop17h 11m
Delta
Deal found 4/16![Delta logo]()
$968
This Asiana Airlines deal was found by Cheapflights users on 4/16. 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 10/212:10 am
SEA
- BKK
1 stop33h 10m
Asiana Airlines
Sun 10/2511:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 4/16![Asiana Airlines logo]()
$1,012
This Mytrip deal was found by Cheapflights users on 4/13. 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 5/312:55 am
SEA
- DMK
2 stops31h 45m
Multiple Airlines
Mon 5/257:30 am
DMK
- SEA
2 stops21h 25m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,169
This IEagle deal was found by Cheapflights users on 4/17. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Wed 10/2811:00 am
DMK
- SEA
1 stop40h 35m
Emirates
Deal found 4/17![Emirates logo]()
$1,210
This SAUDIA deal was found by Cheapflights users on 4/12. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:40 pm
SEA
- BKK
2 stops49h 05m
SAUDIA
Tue 5/123:25 pm
BKK
- SEA
2 stops45h 20m
SAUDIA
Deal found 4/12![SAUDIA logo]()
$941
This Delta deal was found by Cheapflights users on 4/16. 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 9/291:00 pm
SEA
- BKK
1 stop22h 05m
Delta
Tue 10/132:35 am
BKK
- SEA
1 stop24h 39m
Delta
Deal found 4/16![Delta logo]()
$968
This Korean Air deal was found by Cheapflights users on 4/14. 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.
Mon 8/247:20 am
SEA
- BKK
2 stops26h 15m
Korean Air
Wed 9/2311:30 pm
BKK
- SEA
1 stop25h 10m
Korean Air
Deal found 4/14![Korean Air logo]()
$981
This Korean Air deal was found by Cheapflights users on 4/13. 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.
Mon 4/2712:50 pm
SEA
- BKK
1 stop34h 45m
Korean Air
Sun 6/212:35 am
BKK
- SEA
2 stops28h 12m
Korean Air
Deal found 4/13![Korean Air logo]()
$983
This SAUDIA deal was found by Cheapflights users on 4/15. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:40 pm
SEA
- BKK
2 stops49h 05m
SAUDIA
Fri 5/83:20 pm
BKK
- SEA
2 stops45h 04m
SAUDIA
Deal found 4/15![SAUDIA logo]()
$993
This Delta deal was found by Cheapflights users on 4/16. 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.
Sat 9/51:00 pm
SEA
- BKK
1 stop20h 35m
Delta
Wed 9/169:50 am
BKK
- SEA
1 stop17h 47m
Delta
Deal found 4/16![Delta logo]()
$1,008
This Korean Air deal was found by Cheapflights users on 4/13. 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.
Mon 10/127:20 am
SEA
- BKK
2 stops27h 45m
Korean Air
Tue 11/1712:55 am
BKK
- SEA
1 stop23h 05m
Korean Air
Deal found 4/13![Korean Air logo]()
$997
This SAUDIA deal was found by Cheapflights users on 4/12. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:40 pm
SEA
- BKK
2 stops49h 00m
SAUDIA
Tue 5/123:25 pm
BKK
- SEA
2 stops45h 20m
SAUDIA
Deal found 4/12![SAUDIA logo]()
$1,003
This Emirates deal was found by Cheapflights users on 4/16. 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 10/115:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Thu 10/1512:10 pm
DMK
- SEA
1 stop39h 15m
Emirates
Deal found 4/16![Emirates logo]()
$1,256
This Emirates deal was found by Cheapflights users on 4/16. 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 9/135:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Thu 9/2411:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 4/16![Emirates logo]()
$1,256
This Mytrip deal was found by Cheapflights users on 4/15. 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.
Wed 9/161:15 pm
SEA
- DMK
2 stops21h 00m
Multiple Airlines
Wed 11/1812:10 pm
DMK
- SEA
1 stop22h 25m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,417
This Emirates deal was found by Cheapflights users on 4/16. 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.
Mon 9/145:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Thu 9/2411:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 4/16![Emirates logo]()
$1,256
This Emirates deal was found by Cheapflights users on 4/16. 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 9/185:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Thu 9/2411:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 4/16![Emirates logo]()
$1,306
This Qatar Airways deal was found by Cheapflights users on 4/12. 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.
Sat 8/14:25 pm
SEA
- DMK
2 stops28h 40m
Multiple Airlines
Sat 8/221:45 pm
DMK
- SEA
2 stops60h 40m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$1,597
This Emirates deal was found by Cheapflights users on 4/16. 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 9/175:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Thu 9/2411:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 4/16![Emirates logo]()
$1,306
This Emirates deal was found by Cheapflights users on 4/16. 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 9/1610:54 am
SEA
- DMK
2 stops34h 16m
Emirates
Wed 10/1411:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 4/16![Emirates logo]()
$1,496
This Emirates deal was found by Cheapflights users on 4/16. 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 9/165:15 pm
SEA
- DMK
1 stop37h 30m
Emirates
Mon 9/2811:50 pm
DMK
- SEA
2 stops32h 43m
Emirates
Deal found 4/16![Emirates logo]()
$1,502
This Emirates deal was found by Cheapflights users on 4/16. 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.
Mon 9/145:15 pm
SEA
- DMK
1 stop37h 30m
Emirates
Mon 12/2111:00 am
DMK
- SEA
1 stop40h 35m
Emirates
Deal found 4/16![Emirates logo]()
$1,519
Last-minute flights from Seattle to BangkokDiscover last-minute flight deals from Seattle to Bangkok. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bangkok. Data last updated April 17, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/16. 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 4/1711:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Mon 4/277:30 pm
BKK
- SEA
1 stop38h 35m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$785
This oojo deal was found by Cheapflights users on 4/16. 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 4/1911:10 pm
SEA
- BKK
1 stop19h 45m
Philippine Airlines
Sat 5/97:30 pm
BKK
- SEA
1 stop38h 35m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$707
This Trip.com deal was found by Cheapflights users on 4/17. 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 4/2311:10 pm
SEA
- BKK
1 stop23h 00m
Multiple Airlines
Wed 5/65:50 pm
BKK
- SEA
1 stop36h 20m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$769
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 4/2311:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Wed 5/66:15 am
DMK
- SEA
2 stops45h 20m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$934
This lastminute.com deal was found by Cheapflights users on 4/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:20 am
SEA
- BKK
2 stops40h 20m
SAUDIA
Fri 5/81:50 am
BKK
- SEA
2 stops34h 34m
SAUDIA
Deal found 4/13![SAUDIA logo]()
$908
This Trip.com deal was found by Cheapflights users on 4/16. 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 4/2611:10 pm
SEA
- BKK
1 stop29h 20m
Multiple Airlines
Thu 5/71:10 pm
BKK
- SEA
1 stop17h 00m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$774
This oojo deal was found by Cheapflights users on 4/13. 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 4/261:15 am
SEA
- BKK
1 stop20h 55m
China Airlines
Sun 6/212:40 am
BKK
- SEA
1 stop30h 35m
China Airlines
Deal found 4/13![China Airlines logo]()
$902
This FlightHub deal was found by Cheapflights users on 4/15. 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 4/2712:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Mon 5/41:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 4/15![Asiana Airlines logo]()
$905
This Fareboom deal was found by Cheapflights users on 4/12. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:15 am
SEA
- BKK
1 stop20h 55m
China Airlines
Mon 5/181:20 pm
BKK
- SEA
1 stop19h 55m
China Airlines
Deal found 4/12![China Airlines logo]()
$873
This Justfly.com deal was found by Cheapflights users on 4/16. 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.
Fri 5/110:40 pm
SEA
- BKK
2 stops49h 00m
SAUDIA
Mon 5/111:50 am
BKK
- SEA
2 stops34h 55m
SAUDIA
Deal found 4/16![SAUDIA logo]()
$901
This Mytrip deal was found by Cheapflights users on 4/12. 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 5/312:55 am
SEA
- DMK
2 stops26h 40m
Multiple Airlines
Sun 5/107:25 pm
DMK
- SEA
2 stops33h 30m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$1,047
This FlightHub deal was found by Cheapflights users on 4/14. 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 5/410:40 pm
SEA
- BKK
2 stops49h 05m
SAUDIA
Mon 5/111:50 am
BKK
- SEA
2 stops34h 55m
SAUDIA
Deal found 4/14![SAUDIA logo]()
$892
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 April 17, 2026.
Search for one-way flight options from Seattle to Bangkok. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This oojo deal was found by Cheapflights users on 4/12. 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.
Thu 4/239:45 am
SEA
- BKK
1 stop38h 30m
Singapore Airlines
Deal found 4/12![Singapore Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 4/278:05 pm
SEA
- BKK
2 stops26h 05m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 8/2711:10 pm
SEA
- DMK
3 stops25h 55m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$384
This Fareboom deal was found by Cheapflights users on 4/14. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 pm
SEA
- BKK
1 stop28h 35m
Condor
Deal found 4/14![Condor logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 8/53:55 pm
SEA
- BKK
3 stops30h 15m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 4/2611:10 pm
SEA
- BKK
1 stop20h 50m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$397
This Justfly.com deal was found by Cheapflights users on 4/16. 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.
Thu 8/611:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$404
This Fareboom deal was found by Cheapflights users on 4/15. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:10 pm
SEA
- BKK
1 stop29h 20m
Philippine Airlines
Deal found 4/15![Philippine Airlines logo]()
$405
This SmartFares deal was found by Cheapflights users on 4/15. 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.
Sat 4/2511:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Deal found 4/15![Hainan Airlines logo]()
$410
This oojo deal was found by Cheapflights users on 4/15. 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 4/2811:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Deal found 4/15![Hainan Airlines logo]()
$415
This Fareboom deal was found by Cheapflights users on 4/12. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:15 am
SEA
- BKK
1 stop25h 05m
China Airlines
Deal found 4/12![China Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 8/77:26 am
SEA
- BKK
2 stops35h 29m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$420
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 April 17, 2026.
Round-trip from | $659 (oojo) |
|---|---|
One-way from | $371 (oojo) |
Popular in | June |
Cheapest in | September |
Average price | $803 |
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 2,558,603 searches. Data last updated April 17, 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 - BKK
SEABKK
Seattle/Tacoma Intl
Wed 4/29
7:20 am-12:05 am
2 stops50h 45m
Bangkok Suvarnabhumi
Fri 5/8
3:20 pm-10:24 pm
2 stops45h 04m
$941
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 5/4
10:40 pm-1:45 pm
2 stops49h 05m
Bangkok Suvarnabhumi
Tue 5/12
3:25 pm-10:45 pm
2 stops45h 20m
$941
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 5/4
7:00 am-1:35 pm
2 stops40h 35m
Bangkok Suvarnabhumi
Tue 5/12
11:30 pm-10:40 am
1 stop25h 10m
$965
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 9/28
1:00 pm-1:05 am
1 stop22h 05m
Bangkok Suvarnabhumi
Tue 10/27
9:40 am-12:51 pm
1 stop17h 11m
$968
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 9/29
1:00 pm-1:05 am
1 stop22h 05m
Bangkok Suvarnabhumi
Tue 10/13
2:35 am-1:14 pm
1 stop24h 39m
$968
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/24
7:20 am-11:35 pm
2 stops26h 15m
Bangkok Suvarnabhumi
Wed 9/23
11:30 pm-10:40 am
1 stop25h 10m
$981
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 4/27
12:50 pm-1:35 pm
1 stop34h 45m
Bangkok Suvarnabhumi
Sun 6/21
2:35 am-4:47 pm
2 stops28h 12m
$983
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 5/4
10:40 pm-1:45 pm
2 stops49h 05m
Bangkok Suvarnabhumi
Fri 5/8
3:20 pm-10:24 pm
2 stops45h 04m
$993
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 10/12
7:20 am-1:05 am
2 stops27h 45m
Bangkok Suvarnabhumi
Tue 11/17
12:55 am-9:00 am
1 stop23h 05m
$997
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 5/1
10:40 pm-1:40 pm
2 stops49h 00m
Bangkok Suvarnabhumi
Tue 5/12
3:25 pm-10:45 pm
2 stops45h 20m
$1,003
Showing 1-10 of 44 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
How far ahead should I book a flight from Seattle to Bangkok?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Bangkok. Price data was last updated on April 10, 2026.
To ensure you get the cheapest price possible for a flight from Seattle to Bangkok, you should look to book at least 74 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.
What is the cheapest month to book a flight from Seattle to Bangkok?
Currently, April is the cheapest month in which you can book a flight from Seattle to Bangkok (average of $140). Flying from Seattle to Bangkok in February is currently the most expensive (average of $1,429). 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?
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 April 17, 2026.
Read reviews from past customers who have flown STARLUX Airlines,EVA Air, andChina Airlines 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.
Comfort
8.9
Food
8.6
Boarding
9.0
Entertainment
8.8
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Food
8.6
Boarding
9.0
Entertainment
8.8
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Food
8.6
Boarding
9.0
Entertainment
8.8
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Food
8.6
Boarding
9.0
Entertainment
8.8
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Food
8.6
Boarding
9.0
Entertainment
8.8
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Food
8.6
Boarding
9.0
Entertainment
8.8
Crew
9.2
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - 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.
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.
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Popular flights
Alternative routes for Seattle to Bangkok
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Bangkok by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Bangkok by cabin class
Find flights from Seattle to Bangkok, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Bangkok flights
Browse other Seattle and Bangkok flight options. Last updated on April 17, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
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 2,558,603 searches. Data last updated April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$682 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$510 | Average$657 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$623 | Average$1,882 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$626 | Average$690 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$656 | Average$739 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$680 | Average$846 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$694 | Average$847 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$697 | Average$901 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$704 | Average$798 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$712 | Average$810 | FlexibilityNo cancel fee | On-time70% |