$397+ Cheap flights from Seattle (SEA) to Thailand
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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Aug 19 — Aug 261
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to ThailandExplore the most affordable flight options available from Seattle to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
Explore the most affordable flight options available from Seattle to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
This oojo deal was found by Cheapflights users on 7/15. 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
- HKT
1 stop37h 55m
Singapore Airlines
Sat 10/318:40 am
HKT
- SEA
1 stop37h 30m
Singapore Airlines
Deal found 7/15![Singapore Airlines logo]()
$681
This oojo deal was found by Cheapflights users on 7/15. 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 10/2010:15 am
SEA
- HKT
1 stop40h 55m
Singapore Airlines
Fri 10/308:40 am
HKT
- SEA
1 stop37h 30m
Singapore Airlines
Deal found 7/15![Singapore Airlines logo]()
$683
This oojo deal was found by Cheapflights users on 7/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:15 am
SEA
- HKT
1 stop37h 55m
Singapore Airlines
Mon 10/262:55 pm
HKT
- SEA
1 stop31h 15m
Singapore Airlines
Deal found 7/17![Singapore Airlines logo]()
$713
This oojo deal was found by Cheapflights users on 7/18. 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.
Sat 10/1710:15 am
SEA
- HKT
1 stop35h 40m
Singapore Airlines
Sat 10/243:00 pm
HKT
- SEA
1 stop31h 10m
Singapore Airlines
Deal found 7/18![Singapore Airlines logo]()
$720
This oojo deal was found by Cheapflights users on 7/15. 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.
Sat 10/1010:15 am
SEA
- HKT
1 stop40h 55m
Singapore Airlines
Mon 10/2611:05 am
HKT
- SEA
1 stop35h 05m
Singapore Airlines
Deal found 7/15![Singapore Airlines logo]()
$729
This Justfly.com deal was found by Cheapflights users on 7/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:15 am
SEA
- BKK
1 stop42h 45m
Singapore Airlines
Sat 9/199:15 pm
BKK
- SEA
1 stop25h 30m
Singapore Airlines
Deal found 7/17![Singapore Airlines logo]()
$774
This FlightHub deal was found by Cheapflights users on 7/19. 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 11/258:45 am
SEA
- BKK
1 stop38h 50m
Singapore Airlines
Sat 12/59:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 7/19![Singapore Airlines logo]()
$775
This Justfly.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:15 am
SEA
- BKK
1 stop38h 00m
Singapore Airlines
Mon 11/21:35 pm
BKK
- SEA
1 stop32h 35m
Singapore Airlines
Deal found 7/19![Singapore Airlines logo]()
$776
This FlightHub deal was found by Cheapflights users on 7/18. 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 10/610:15 am
SEA
- BKK
1 stop41h 00m
Singapore Airlines
Sun 11/19:10 pm
BKK
- SEA
1 stop49h 00m
Singapore Airlines
Deal found 7/18![Singapore Airlines logo]()
$782
This FlightHub deal was found by Cheapflights users on 7/19. 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.
Sat 11/288:45 am
SEA
- BKK
1 stop43h 00m
Singapore Airlines
Tue 12/1512:00 pm
BKK
- SEA
1 stop34h 10m
Singapore Airlines
Deal found 7/19![Singapore Airlines logo]()
$784
This FlightHub deal was found by Cheapflights users on 7/19. 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 11/158:45 am
SEA
- BKK
1 stop41h 15m
Singapore Airlines
Fri 12/119:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 7/19![Singapore Airlines logo]()
$791
This FlightHub deal was found by Cheapflights users on 7/19. 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 12/68:45 am
SEA
- BKK
1 stop36h 35m
Singapore Airlines
Mon 12/219:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 7/19![Singapore Airlines logo]()
$795
Best flights from Seattle to ThailandDiscover carefully curated flight deals from Seattle to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
Discover carefully curated flight deals from Seattle to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
This Delta deal was found by Cheapflights users on 7/19. 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 8/121:05 pm
SEA
- BKK
1 stop20h 30m
Delta
Tue 8/2511:30 pm
BKK
- SEA
1 stop28h 07m
Delta
Deal found 7/19![Delta logo]()
$865
This Korean Air deal was found by Cheapflights users on 7/18. 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.
Sun 9/2012:50 pm
SEA
- BKK
1 stop22h 15m
Korean Air
Wed 9/232:35 am
BKK
- SEA
1 stop22h 05m
Korean Air
Deal found 7/18![Korean Air logo]()
$869
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:30 pm
SEA
- BKK
2 stops47h 05m
United Airlines
Sun 9/209:35 am
BKK
- SEA
2 stops42h 49m
United Airlines
Deal found 7/19![United Airlines logo]()
$886
This FlightHub deal was found by Cheapflights users on 7/20. 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 11/278:45 am
SEA
- USM
1 stop32h 15m
Singapore Airlines
Sun 12/137:45 pm
USM
- SEA
1 stop50h 25m
Singapore Airlines
Deal found 7/20![Singapore Airlines logo]()
$1,025
This Asiana Airlines deal was found by Cheapflights users on 7/16. 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.
Tue 12/2912:10 am
SEA
- HKT
1 stop30h 25m
Asiana Airlines
Fri 1/1510:55 pm
HKT
- SEA
1 stop30h 00m
Asiana Airlines
Deal found 7/16![Asiana Airlines logo]()
$1,109
This KAYAK deal was found by Cheapflights users on 7/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:45 pm
SEA
- USM
2 stops24h 50m
Multiple Airlines
Wed 12/910:00 am
USM
- SEA
2 stops20h 05m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$1,166
This EVA Air deal was found by Cheapflights users on 7/15. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:30 am
SEA
- KBV
2 stops41h 15m
EVA Air
Mon 10/269:50 am
KBV
- SEA
2 stops23h 20m
EVA Air
Deal found 7/15![EVA Air logo]()
$1,171
This Emirates deal was found by Cheapflights users on 7/19. 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 9/75:15 pm
SEA
- DMK
1 stop28h 10m
Emirates
Sun 9/2011:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 7/19![Emirates logo]()
$1,347
This Qatar Airways deal was found by Cheapflights users on 7/18. 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 9/254:25 pm
SEA
- UTP
2 stops34h 25m
Qatar Airways
Tue 9/291:00 pm
UTP
- SEA
2 stops37h 45m
Qatar Airways
Deal found 7/18![Qatar Airways logo]()
$1,421
This Korean Air deal was found by Cheapflights users on 7/19. 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 11/411:00 am
SEA
- CNX
1 stop20h 55m
Korean Air
Sat 11/712:15 am
CNX
- SEA
1 stop23h 45m
Korean Air
Deal found 7/19![Korean Air logo]()
$869
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:30 pm
SEA
- BKK
3 stops28h 05m
United Airlines
Tue 9/159:35 am
BKK
- SEA
2 stops44h 39m
United Airlines
Deal found 7/16![United Airlines logo]()
$890
This Korean Air deal was found by Cheapflights users on 7/19. 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.
Thu 11/1211:00 am
SEA
- CNX
1 stop20h 55m
Korean Air
Mon 12/712:15 am
CNX
- SEA
1 stop23h 45m
Korean Air
Deal found 7/19![Korean Air logo]()
$869
This Delta deal was found by Cheapflights users on 7/20. 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.
Thu 9/31:00 pm
SEA
- HKT
1 stop19h 10m
Delta
Sat 9/1211:25 pm
HKT
- SEA
1 stop28h 12m
Delta
Deal found 7/20![Delta logo]()
$965
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:04 pm
SEA
- BKK
2 stops26h 31m
United Airlines
Mon 8/39:35 am
BKK
- SEA
2 stops43h 01m
United Airlines
Deal found 7/16![United Airlines logo]()
$892
This Korean Air deal was found by Cheapflights users on 7/17. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:15 am
SEA
- BKK
2 stops26h 20m
Korean Air
Mon 9/212:35 am
BKK
- SEA
1 stop22h 05m
Korean Air
Deal found 7/17![Korean Air logo]()
$874
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/1212:15 pm
SEA
- BKK
2 stops31h 20m
United Airlines
Tue 8/253:45 pm
BKK
- SEA
3 stops33h 40m
United Airlines
Deal found 7/19![United Airlines logo]()
$895
This EVA Air deal was found by Cheapflights users on 7/17. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:30 am
SEA
- KBV
2 stops41h 15m
EVA Air
Tue 9/229:25 am
KBV
- SEA
2 stops24h 15m
EVA Air
Deal found 7/17![EVA Air logo]()
$1,171
This Korean Air deal was found by Cheapflights users on 7/19. 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 8/127:16 am
SEA
- BKK
2 stops26h 19m
Korean Air
Tue 8/259:40 pm
BKK
- SEA
2 stops32h 57m
Korean Air
Deal found 7/19![Korean Air logo]()
$885
This Singapore Airlines deal was found by Cheapflights users on 7/20. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/138:45 am
SEA
- USM
2 stops31h 25m
Multiple Airlines
Sat 1/231:25 pm
USM
- SEA
1 stop32h 45m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,178
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:18 pm
SEA
- BKK
2 stops52h 17m
United Airlines
Sun 10/49:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Deal found 7/15![United Airlines logo]()
$895
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:29 am
SEA
- BKK
3 stops33h 06m
United Airlines
Mon 8/39:35 am
BKK
- SEA
2 stops43h 01m
United Airlines
Deal found 7/16![United Airlines logo]()
$896
This EVA Air deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:30 am
SEA
- HKT
2 stops27h 00m
EVA Air
Wed 10/2812:45 pm
HKT
- SEA
2 stops20h 25m
EVA Air
Deal found 7/19![EVA Air logo]()
$1,211
This Korean Air deal was found by Cheapflights users on 7/15. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:00 am
SEA
- CNX
1 stop20h 55m
Korean Air
Fri 11/2012:15 am
CNX
- SEA
2 stops29h 32m
Korean Air
Deal found 7/15![Korean Air logo]()
$920
This Emirates deal was found by Cheapflights users on 7/17. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:15 pm
SEA
- DMK
1 stop37h 30m
Emirates
Tue 11/311:00 am
DMK
- SEA
1 stop40h 35m
Emirates
Deal found 7/17![Emirates logo]()
$1,347
This oojo deal was found by Cheapflights users on 7/16. 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.
Mon 8/32:10 am
SEA
- KBV
2 stops40h 35m
Multiple Airlines
Sun 8/98:20 pm
KBV
- SEA
2 stops37h 30m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$1,266
This Singapore Airlines deal was found by Cheapflights users on 7/17. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am
SEA
- KBV
1 stop64h 30m
Singapore Airlines
Thu 10/2912:20 pm
KBV
- SEA
1 stop33h 50m
Singapore Airlines
Deal found 7/17![Singapore Airlines logo]()
$1,437
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:43 pm
SEA
- BKK
2 stops24h 52m
United Airlines
Tue 12/14:55 pm
BKK
- SEA
3 stops32h 26m
United Airlines
Deal found 7/15![United Airlines logo]()
$900
This Emirates deal was found by Cheapflights users on 7/17. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:15 pm
SEA
- DMK
1 stop37h 30m
Emirates
Thu 10/2911:00 am
DMK
- SEA
1 stop40h 35m
Emirates
Deal found 7/17![Emirates logo]()
$1,347
This EVA Air deal was found by Cheapflights users on 7/17. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:30 am
SEA
- USM
2 stops21h 40m
EVA Air
Sun 10/119:00 pm
USM
- SEA
2 stops36h 20m
EVA Air
Deal found 7/17![EVA Air logo]()
$1,260
This Korean Air deal was found by Cheapflights users on 7/17. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:20 am
SEA
- CNX
2 stops24h 35m
Korean Air
Thu 12/1012:15 am
CNX
- SEA
1 stop23h 45m
Korean Air
Deal found 7/17![Korean Air logo]()
$954
Last-minute flights from Seattle to ThailandDiscover last-minute flight deals from Seattle to Thailand. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thailand. Data last updated July 20, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 7/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Mon 8/1712:25 am
BKK
- SEA
1 stop22h 35m
Hainan Airlines
Deal found 7/16![Hainan Airlines logo]()
$799
This SmartFares deal was found by Cheapflights users on 7/15. 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.
Tue 8/1112:10 am
SEA
- HKT
1 stop31h 35m
Asiana Airlines
Sun 9/610:45 pm
HKT
- SEA
1 stop30h 30m
Asiana Airlines
Deal found 7/15![Asiana Airlines logo]()
$930
This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:10 am
SEA
- BKK
1 stop33h 25m
Asiana Airlines
Mon 8/311:35 am
BKK
- SEA
1 stop27h 40m
Asiana Airlines
Deal found 7/15![Asiana Airlines logo]()
$824
This flugladen.de deal was found by Cheapflights users on 7/18. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Mon 9/711:45 am
BKK
- SEA
1 stop17h 30m
Asiana Airlines
Deal found 7/18![Asiana Airlines logo]()
$821
This FlightHub deal was found by Cheapflights users on 7/15. 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 8/2412:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Mon 9/1411:45 am
BKK
- SEA
1 stop17h 30m
Asiana Airlines
Deal found 7/15![Asiana Airlines logo]()
$827
This Traveloka deal was found by Cheapflights users on 7/16. 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 Traveloka 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 9/239:50 am
BKK
- SEA
1 stop38h 50m
Korean Air
Deal found 7/16![Korean Air logo]()
$837
This Gotogate deal was found by Cheapflights users on 7/19. 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 8/241:20 pm
SEA
- BKK
1 stop34h 15m
Korean Air
Mon 9/711:30 pm
BKK
- SEA
1 stop25h 10m
Korean Air
Deal found 7/19![Korean Air logo]()
$838
This Justfly.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:15 am
SEA
- BKK
1 stop38h 00m
Singapore Airlines
Mon 11/21:35 pm
BKK
- SEA
1 stop32h 35m
Singapore Airlines
Deal found 7/19![Singapore Airlines logo]()
$776
This Justfly.com deal was found by Cheapflights users on 7/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:10 am
SEA
- BKK
1 stop33h 25m
Asiana Airlines
Sun 9/131:35 am
BKK
- SEA
1 stop27h 40m
Asiana Airlines
Deal found 7/15![Asiana Airlines logo]()
$828
This Mytrip deal was found by Cheapflights users on 7/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:10 pm
SEA
- BKK
1 stop19h 45m
Multiple Airlines
Mon 9/147:40 pm
BKK
- SEA
2 stops28h 25m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$842
This Bravofly deal was found by Cheapflights users on 7/17. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Mon 9/711:45 am
BKK
- SEA
1 stop17h 30m
Asiana Airlines
Deal found 7/17![Asiana Airlines logo]()
$801
This Bravofly deal was found by Cheapflights users on 7/17. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:20 am
SEA
- BKK
2 stops26h 15m
Korean Air
Sun 9/62:35 am
BKK
- SEA
1 stop22h 05m
Korean Air
Deal found 7/17![Korean Air logo]()
$805
One-way flights from Seattle to ThailandSearch for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
This oojo deal was found by Cheapflights users on 7/15. 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.
Mon 8/312:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Deal found 7/15![Asiana Airlines logo]()
$397
This oojo deal was found by Cheapflights users on 7/18. 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 9/1512:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Deal found 7/18![Asiana Airlines logo]()
$398
This oojo deal was found by Cheapflights users on 7/15. 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.
Sun 8/912:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Deal found 7/15![Asiana Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/610:15 am
SEA
- BKK
1 stop36h 05m
Singapore Airlines
Deal found 7/19![Singapore Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/3112:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Deal found 7/19![Asiana Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 11/612:10 am
SEA
- BKK
1 stop20h 05m
Asiana Airlines
Deal found 7/19![Asiana Airlines logo]()
$405
This FlightHub deal was found by Cheapflights users on 7/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Deal found 7/17![Asiana Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Deal found 7/15![Asiana Airlines logo]()
$408
This FlightHub deal was found by Cheapflights users on 7/16. 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 11/812:10 am
SEA
- BKK
1 stop20h 05m
Asiana Airlines
Deal found 7/16![Asiana Airlines logo]()
$409
This Mytrip deal was found by Cheapflights users on 7/18. 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 11/811:00 am
SEA
- CNX
1 stop20h 55m
Korean Air
Deal found 7/18![Korean Air logo]()
$409
This Mytrip deal was found by Cheapflights users on 7/18. 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 11/1011:00 am
SEA
- CNX
1 stop20h 55m
Korean Air
Deal found 7/18![Korean Air logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:15 am
SEA
- DMK
2 stops22h 05m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$416
Find flight deals from Seattle to Thailand
Keep the following information in mind while searching for Seattle to Thailand flight deals. Data was last updated July 20, 2026.
Round-trip from | $674 (oojo) |
|---|---|
One-way from | $397 (oojo) |
Popular in | June |
Cheapest in | March |
Average price | $959 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Thailand 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 July 20, 2026.
Use the filters below to find and compare flights from Seattle to Thailand that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 8/12
1:05 pm-11:35 pm
1 stop20h 30m
Bangkok Suvarnabhumi
Tue 8/25
11:30 pm-1:37 pm
1 stop28h 07m
$865
Quickest round-trip
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 9/20
12:50 pm-1:05 am
1 stop22h 15m
Bangkok Suvarnabhumi
Wed 9/23
2:35 am-10:40 am
1 stop22h 05m
$869
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Wed 11/4
11:00 am-10:55 pm
1 stop20h 55m
Chiang Mai
Sat 11/7
12:15 am-9:00 am
1 stop23h 45m
$869
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Thu 11/12
11:00 am-10:55 pm
1 stop20h 55m
Chiang Mai
Mon 12/7
12:15 am-9:00 am
1 stop23h 45m
$869
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 9/10
7:15 am-11:35 pm
2 stops26h 20m
Bangkok Suvarnabhumi
Mon 9/21
2:35 am-10:40 am
1 stop22h 05m
$874
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 8/12
7:16 am-11:35 pm
2 stops26h 19m
Bangkok Suvarnabhumi
Tue 8/25
9:40 pm-4:37 pm
2 stops32h 57m
$885
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 9/12
3:30 pm-4:35 am
2 stops47h 05m
Bangkok Suvarnabhumi
Sun 9/20
9:35 am-2:24 pm
2 stops42h 49m
$886
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 9/10
3:30 pm-9:35 am
3 stops28h 05m
Bangkok Suvarnabhumi
Tue 9/15
9:35 am-4:14 pm
2 stops44h 39m
$890
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 7/22
5:04 pm-9:35 am
2 stops26h 31m
Bangkok Suvarnabhumi
Mon 8/3
9:35 am-2:36 pm
2 stops43h 01m
$892
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 8/12
12:15 pm-9:35 am
2 stops31h 20m
Bangkok Suvarnabhumi
Tue 8/25
3:45 pm-11:25 am
3 stops33h 40m
$895
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Seattle to Thailand
Have a flexible travel schedule? Discover the best time to fly to Thailand from Seattle with our price prediction graph.
SEA-BKK
SEA-USM
SEA-HKT
SEA-KBV
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 Thailand
SEA-TH0
SEA-BKK
SEA-USM
SEA-HKT
SEA-KBV
What is the cheapest month to book a flight from Seattle to Thailand?
Currently, March is the cheapest month in which you can book a flight from Seattle to Thailand (average of $751). Flying from Seattle to Thailand in December is currently the most expensive (average of $1,244). 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 far ahead should I book a flight from Seattle to Thailand?
The best time to book flights from Seattle to Thailand is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Thailand
Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated July 20, 2026.
Read through reviews of airlines operating flights from Seattle to Thailand, such as STARLUX Airlines,EVA Air, andChina Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.8
Comfort
8.9
Food
8.6
Entertainment
8.7
Crew
9.1
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Overall
8.8
Comfort
8.9
Food
8.6
Entertainment
8.7
Crew
9.1
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Overall
8.8
Comfort
8.9
Food
8.6
Entertainment
8.7
Crew
9.1
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Overall
8.8
Comfort
8.9
Food
8.6
Entertainment
8.7
Crew
9.1
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Overall
8.8
Comfort
8.9
Food
8.6
Entertainment
8.7
Crew
9.1
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Overall
8.8
Comfort
8.9
Food
8.6
Entertainment
8.7
Crew
9.1
Boarding
8.9
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Related info for your journey
Find useful and relevant information for your journey from Seattle to Thailand. 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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Alternative routes for Seattle to Thailand
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Thailand by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Thailand by cabin class
Find flights from Seattle to Thailand, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Thailand flights
Browse other Seattle and Thailand flight options. Last updated on July 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Thailand flights
Consider these flights traveling from Seattle to Thailand.
Fly to Thailand regions
Consider these flights traveling to Thailand regions.
Top 10 airlines flying from Seattle to Thailand
Discover the top 10 airlines that operate flights from Seattle to Thailand. 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 July 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$675 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$385 | Average$686 | FlexibilityNo cancel fee | On-time61% | |
| Cheapest$459 | Average$922 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$510 | Average$713 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$623 | Average$745 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$623 | Average$1,373 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$652 | Average$799 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$685 | Average$895 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$702 | Average$1,068 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$705 | Average$880 | FlexibilityNo cancel fee | On-time72% |