$272+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Mar 19 — Mar 261
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 February 17, 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 February 17, 2026.
This FlightHub deal was found by Cheapflights users on 2/15. 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.
Tue 4/1410:15 am
SEA
- HKT
1 stop19h 00m
Singapore Airlines
Fri 4/248:10 pm
HKT
- SEA
1 stop26h 35m
Singapore Airlines
Deal found 2/15![Singapore Airlines logo]()
$499
This FlightHub deal was found by Cheapflights users on 2/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:15 am
SEA
- HKT
1 stop34h 35m
Singapore Airlines
Sat 4/258:10 pm
HKT
- SEA
1 stop26h 35m
Singapore Airlines
Deal found 2/12![Singapore Airlines logo]()
$522
This CrystalTravel deal was found by Cheapflights users on 2/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:55 am
SEA
- BKK
1 stop19h 45m
Asiana Airlines
Sun 9/611:45 am
BKK
- SEA
1 stop17h 10m
Asiana Airlines
Deal found 2/14![Asiana Airlines logo]()
$643
This Trip.com deal was found by Cheapflights users on 2/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Wed 9/231:25 pm
BKK
- SEA
1 stop20h 40m
Philippine Airlines
Deal found 2/13![Philippine Airlines logo]()
$645
This FlightHub deal was found by Cheapflights users on 2/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:15 am
SEA
- BKK
1 stop21h 15m
Singapore Airlines
Sat 10/179:20 am
BKK
- SEA
1 stop37h 25m
Singapore Airlines
Deal found 2/13![Singapore Airlines logo]()
$646
This oojo deal was found by Cheapflights users on 2/13. 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.
Wed 10/711:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Wed 10/141:25 pm
BKK
- SEA
1 stop20h 40m
Philippine Airlines
Deal found 2/13![Philippine Airlines logo]()
$648
This oojo deal was found by Cheapflights users on 2/17. 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.
Mon 7/2712:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Mon 8/101:20 am
BKK
- SEA
1 stop28h 05m
Asiana Airlines
Deal found 2/17![Asiana Airlines logo]()
$651
This Ovago deal was found by Cheapflights users on 2/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:59 pm
SEA
- BKK
2 stops27h 21m
Multiple Airlines
Mon 4/2712:15 pm
BKK
- SEA
1 stop34h 30m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$652
This oojo deal was found by Cheapflights users on 2/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Sat 3/1412:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Deal found 2/14![Asiana Airlines logo]()
$653
This FlightHub deal was found by Cheapflights users on 2/16. 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.
Tue 3/109:45 am
SEA
- BKK
1 stop20h 15m
Singapore Airlines
Mon 4/201:35 pm
BKK
- SEA
1 stop33h 10m
Singapore Airlines
Deal found 2/16![Singapore Airlines logo]()
$654
This Bravofly deal was found by Cheapflights users on 2/16. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1811:00 am
SEA
- BKK
1 stop22h 45m
Korean Air
Mon 3/29:30 pm
BKK
- SEA
1 stop26h 30m
Korean Air
Deal found 2/16![Korean Air logo]()
$655
This oojo deal was found by Cheapflights users on 2/15. 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.
Wed 3/411:00 am
SEA
- BKK
1 stop22h 45m
Korean Air
Wed 3/119:30 pm
BKK
- SEA
1 stop26h 30m
Korean Air
Deal found 2/15![Korean Air logo]()
$657
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 February 17, 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 February 17, 2026.
This FlightHub deal was found by Cheapflights users on 2/14. 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.
Thu 6/1110:15 am
SEA
- HKT
1 stop32h 30m
Singapore Airlines
Sun 6/218:10 pm
HKT
- SEA
1 stop50h 35m
Singapore Airlines
Deal found 2/14![Singapore Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 2/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:30 am
SEA
- BKK
1 stop22h 15m
Delta
Tue 3/1712:55 am
BKK
- SEA
1 stop27h 25m
Delta
Deal found 2/14![Delta logo]()
$698
This Korean Air deal was found by Cheapflights users on 2/15. 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.
Fri 3/611:00 am
SEA
- BKK
1 stop22h 45m
Korean Air
Thu 3/122:05 am
BKK
- SEA
1 stop21h 55m
Korean Air
Deal found 2/15![Korean Air logo]()
$701
This United Airlines deal was found by Cheapflights users on 2/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/174:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Fri 8/219:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Deal found 2/13![United Airlines logo]()
$703
This oojo deal was found by Cheapflights users on 2/13. 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.
Thu 3/511:45 pm
SEA
- KBV
2 stops30h 30m
Multiple Airlines
Thu 3/129:50 am
KBV
- SEA
2 stops20h 15m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$827
This FlightHub deal was found by Cheapflights users on 2/16. 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.
Wed 3/412:10 am
SEA
- KBV
2 stops30h 05m
EVA Air
Thu 3/129:50 am
KBV
- SEA
2 stops22h 40m
EVA Air
Deal found 2/16![EVA Air logo]()
$878
This BusinessClass deal was found by Cheapflights users on 2/13. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:51 pm
SEA
- USM
2 stops33h 49m
Cathay Pacific
Sun 4/1911:55 am
USM
- SEA
1 stop36h 10m
Cathay Pacific
Deal found 2/13![Cathay Pacific logo]()
$1,275
This Delta deal was found by Cheapflights users on 2/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:30 am
SEA
- BKK
1 stop22h 25m
Delta
Wed 3/112:05 am
BKK
- SEA
1 stop26h 15m
Delta
Deal found 2/15![Delta logo]()
$698
This Korean Air deal was found by Cheapflights users on 2/13. 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.
Thu 3/511:00 am
SEA
- BKK
1 stop22h 45m
Korean Air
Wed 3/1112:55 am
BKK
- SEA
1 stop23h 05m
Korean Air
Deal found 2/13![Korean Air logo]()
$701
This Korean Air deal was found by Cheapflights users on 2/15. 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.
Thu 3/511:00 am
SEA
- BKK
1 stop22h 45m
Korean Air
Wed 3/119:30 pm
BKK
- SEA
1 stop26h 30m
Korean Air
Deal found 2/15![Korean Air logo]()
$701
This Korean Air deal was found by Cheapflights users on 2/15. 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.
Sat 3/711:00 am
SEA
- BKK
1 stop22h 55m
Korean Air
Thu 3/1212:55 am
BKK
- SEA
1 stop23h 05m
Korean Air
Deal found 2/15![Korean Air logo]()
$701
This Trip.com deal was found by Cheapflights users on 2/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/291:15 am
SEA
- KBV
2 stops28h 55m
Multiple Airlines
Mon 4/68:40 pm
KBV
- SEA
2 stops36h 35m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$882
This IEagle deal was found by Cheapflights users on 2/14. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/301:30 am
SEA
- KBV
2 stops41h 15m
EVA Air
Tue 4/79:25 am
KBV
- SEA
2 stops24h 05m
EVA Air
Deal found 2/14![EVA Air logo]()
$899
This Korean Air deal was found by Cheapflights users on 2/15. 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.
Wed 3/47:10 am
SEA
- BKK
2 stops26h 35m
Korean Air
Tue 3/102:05 am
BKK
- SEA
1 stop21h 55m
Korean Air
Deal found 2/15![Korean Air logo]()
$707
This oojo deal was found by Cheapflights users on 2/16. 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 5/31:15 am
SEA
- USM
2 stops23h 30m
Multiple Airlines
Mon 5/1810:05 am
USM
- SEA
2 stops20h 05m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$903
This Korean Air deal was found by Cheapflights users on 2/15. 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.
Fri 4/247:35 am
SEA
- BKK
2 stops26h 00m
Korean Air
Mon 5/119:40 pm
BKK
- SEA
1 stop27h 00m
Korean Air
Deal found 2/15![Korean Air logo]()
$707
This FlightHub deal was found by Cheapflights users on 2/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/291:30 am
SEA
- HKT
2 stops29h 45m
EVA Air
Thu 4/910:20 am
HKT
- SEA
2 stops23h 10m
EVA Air
Deal found 2/13![EVA Air logo]()
$945
This Qatar Airways deal was found by Cheapflights users on 2/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:40 am
SEA
- UTP
3 stops39h 10m
Qatar Airways
Mon 3/231:00 pm
UTP
- SEA
3 stops45h 28m
Qatar Airways
Deal found 2/16![Qatar Airways logo]()
$2,098
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:15 am
SEA
- DMK
1 stop22h 45m
Multiple Airlines
Mon 5/259:20 am
DMK
- SEA
2 stops24h 10m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$922
This FlightHub deal was found by Cheapflights users on 2/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:30 am
SEA
- HKT
2 stops31h 30m
EVA Air
Tue 4/1410:20 am
HKT
- SEA
2 stops23h 10m
EVA Air
Deal found 2/13![EVA Air logo]()
$945
This Korean Air deal was found by Cheapflights users on 2/16. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2412:50 pm
SEA
- BKK
1 stop34h 45m
Korean Air
Sun 5/39:40 pm
BKK
- SEA
2 stops31h 11m
Korean Air
Deal found 2/16![Korean Air logo]()
$712
This Korean Air deal was found by Cheapflights users on 2/16. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/711:00 am
SEA
- BKK
1 stop22h 55m
Korean Air
Wed 3/1812:55 am
BKK
- SEA
2 stops27h 46m
Korean Air
Deal found 2/16![Korean Air logo]()
$712
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
Thu 5/1411:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Mon 6/19:20 am
DMK
- SEA
2 stops24h 20m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$951
This oojo deal was found by Cheapflights users on 2/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/301:30 am
SEA
- HKT
2 stops27h 00m
EVA Air
Tue 4/712:55 pm
HKT
- SEA
2 stops20h 35m
EVA Air
Deal found 2/14![EVA Air logo]()
$965
This Justfly.com deal was found by Cheapflights users on 2/13. 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 3/58:45 am
SEA
- KBV
1 stop35h 55m
Singapore Airlines
Thu 3/1212:40 pm
KBV
- SEA
1 stop33h 30m
Singapore Airlines
Deal found 2/13![Singapore Airlines logo]()
$1,305
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Sun 5/173:30 pm
DMK
- SEA
2 stops42h 00m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$952
This flugladen.de deal was found by Cheapflights users on 2/13. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/151:10 am
SEA
- USM
2 stops25h 15m
EVA Air
Wed 4/19:15 am
USM
- SEA
2 stops24h 15m
EVA Air
Deal found 2/13![EVA Air logo]()
$967
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
Thu 5/1411:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Wed 6/39:20 am
DMK
- SEA
2 stops24h 20m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$953
This Korean Air deal was found by Cheapflights users on 2/14. 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.
Tue 2/2411:00 am
SEA
- CNX
1 stop20h 55m
Korean Air
Tue 3/312:15 am
CNX
- SEA
1 stop23h 45m
Korean Air
Deal found 2/14![Korean Air logo]()
$801
This EVA Air deal was found by Cheapflights users on 2/13. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/712:10 am
SEA
- KBV
2 stops41h 55m
EVA Air
Thu 3/129:50 am
KBV
- SEA
2 stops22h 40m
EVA Air
Deal found 2/13![EVA Air logo]()
$976
Last-minute flights from Seattle to ThailandDiscover last-minute flight deals from Seattle to Thailand. Data last updated February 17, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thailand. Data last updated February 17, 2026 and is based on user searches.
This Bravofly deal was found by Cheapflights users on 2/16. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:10 am
SEA
- BKK
2 stops26h 35m
Korean Air
Mon 3/211:15 pm
BKK
- SEA
2 stops32h 43m
Korean Air
Deal found 2/16![Korean Air logo]()
$648
This oojo deal was found by Cheapflights users on 2/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Sat 3/1412:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Deal found 2/14![Asiana Airlines logo]()
$653
This lastminute.com deal was found by Cheapflights users on 2/13. 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.
Thu 2/1911:00 am
SEA
- HKT
1 stop20h 10m
Korean Air
Thu 3/511:40 pm
HKT
- SEA
1 stop24h 20m
Korean Air
Deal found 2/13![Korean Air logo]()
$754
This Gotogate deal was found by Cheapflights users on 2/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2112:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Tue 3/1011:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 2/13![Asiana Airlines logo]()
$664
This oojo deal was found by Cheapflights users on 2/16. 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 2/2212:10 am
SEA
- BKK
1 stop20h 05m
Asiana Airlines
Mon 3/912:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Deal found 2/16![Asiana Airlines logo]()
$651
This FlightHub deal was found by Cheapflights users on 2/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2212:10 am
SEA
- BKK
1 stop20h 05m
Asiana Airlines
Tue 3/1011:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 2/13![Asiana Airlines logo]()
$660
This FlightHub deal was found by Cheapflights users on 2/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2212:10 am
SEA
- CNX
1 stop19h 15m
China Airlines
Thu 3/511:25 am
CNX
- SEA
1 stop21h 45m
China Airlines
Deal found 2/13![China Airlines logo]()
$736
This CrystalTravel deal was found by Cheapflights users on 2/13. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:10 am
SEA
- BKK
1 stop20h 05m
Asiana Airlines
Wed 3/412:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Deal found 2/13![Asiana Airlines logo]()
$646
This FlightHub deal was found by Cheapflights users on 2/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:10 am
SEA
- BKK
1 stop20h 05m
Asiana Airlines
Tue 3/311:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 2/13![Asiana Airlines logo]()
$659
This oojo deal was found by Cheapflights users on 2/15. 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.
Wed 3/411:00 am
SEA
- BKK
1 stop22h 45m
Korean Air
Wed 3/119:30 pm
BKK
- SEA
1 stop26h 30m
Korean Air
Deal found 2/15![Korean Air logo]()
$657
This FlightHub deal was found by Cheapflights users on 2/16. 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.
Tue 3/109:45 am
SEA
- BKK
1 stop20h 15m
Singapore Airlines
Mon 4/201:35 pm
BKK
- SEA
1 stop33h 10m
Singapore Airlines
Deal found 2/16![Singapore Airlines logo]()
$654
This Justfly.com deal was found by Cheapflights users on 2/13. 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.
Sun 3/2910:15 am
SEA
- BKK
1 stop19h 45m
Singapore Airlines
Mon 4/68:15 pm
BKK
- SEA
1 stop26h 30m
Singapore Airlines
Deal found 2/13![Singapore Airlines logo]()
$668
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 February 17, 2026.
Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated February 17, 2026.
This FlightHub deal was found by Cheapflights users on 2/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:15 am
SEA
- HKT
1 stop19h 00m
Singapore Airlines
Deal found 2/13![Singapore Airlines logo]()
$272
This FlightHub deal was found by Cheapflights users on 2/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1110:15 am
SEA
- HKT
1 stop40h 55m
Singapore Airlines
Deal found 2/12![Singapore Airlines logo]()
$299
This Singapore Airlines deal was found by Cheapflights users on 2/16. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:15 am
SEA
- BKK
1 stop19h 45m
Singapore Airlines
Deal found 2/16![Singapore Airlines logo]()
$325
This oojo deal was found by Cheapflights users on 2/13. 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.
Wed 4/811:10 pm
SEA
- BKK
1 stop33h 30m
Philippine Airlines
Deal found 2/13![Philippine Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/19:30 pm
SEA
- BKK
1 stop23h 30m
Philippine Airlines
Deal found 2/16![Philippine Airlines logo]()
$328
This FlightHub deal was found by Cheapflights users on 2/17. 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.
Sat 4/1110:15 am
SEA
- BKK
1 stop34h 45m
Singapore Airlines
Deal found 2/17![Singapore Airlines logo]()
$330
This Trip.com deal was found by Cheapflights users on 2/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:15 am
SEA
- BKK
1 stop36h 05m
Singapore Airlines
Deal found 2/14![Singapore Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Tue 3/3111:00 am
SEA
- BKK
1 stop35h 20m
Hainan Airlines
Deal found 2/16![Hainan Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Tue 3/2411:00 am
SEA
- BKK
1 stop22h 25m
Hainan Airlines
Deal found 2/16![Hainan Airlines logo]()
$337
This FlightHub deal was found by Cheapflights users on 2/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Deal found 2/13![Philippine Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/2611:05 am
SEA
- BKK
1 stop33h 35m
Hainan Airlines
Deal found 2/16![Hainan Airlines logo]()
$349
This Trip.com deal was found by Cheapflights users on 2/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:30 pm
SEA
- HKT
2 stops35h 25m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$374
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 February 17, 2026.
Round-trip from | $498 (FlightHub) |
|---|---|
One-way from | $272 (FlightHub) |
Popular in | December |
Cheapest in | September |
Average price | $761 |
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 February 17, 2026.
Use the filters below to find and compare flights from Seattle to Thailand that are best for you.
Fly from
Seattle
Fly to
Thailand
Route
Depart
Return
Price
SeattlePhuket City
SEA - HKT
SEAHKT
Seattle/Tacoma Intl
Thu 6/11
10:15 am-8:45 am
1 stop32h 30m
Phuket City
Sun 6/21
8:10 pm-8:45 am
1 stop50h 35m
$696
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 3/3
11:30 am-12:45 am
1 stop22h 15m
Bangkok Suvarnabhumi
Tue 3/17
12:55 am-2:20 pm
1 stop27h 25m
$698
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 3/4
11:30 am-12:55 am
1 stop22h 25m
Bangkok Suvarnabhumi
Wed 3/11
2:05 am-2:20 pm
1 stop26h 15m
$698
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 3/6
11:00 am-12:45 am
1 stop22h 45m
Bangkok Suvarnabhumi
Thu 3/12
2:05 am-10:00 am
1 stop21h 55m
$701
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 3/5
11:00 am-12:45 am
1 stop22h 45m
Bangkok Suvarnabhumi
Wed 3/11
12:55 am-10:00 am
1 stop23h 05m
$701
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 3/5
11:00 am-12:45 am
1 stop22h 45m
Bangkok Suvarnabhumi
Wed 3/11
9:30 pm-10:00 am
1 stop26h 30m
$701
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 3/7
11:00 am-12:55 am
1 stop22h 55m
Bangkok Suvarnabhumi
Thu 3/12
12:55 am-10:00 am
1 stop23h 05m
$701
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 7/17
4:30 pm-4:35 am
1 stop22h 05m
Bangkok Suvarnabhumi
Fri 8/21
9:35 am-2:25 pm
1 stop18h 50m
$703
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 3/4
7:10 am-12:45 am
2 stops26h 35m
Bangkok Suvarnabhumi
Tue 3/10
2:05 am-10:00 am
1 stop21h 55m
$707
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 4/24
7:35 am-11:35 pm
2 stops26h 00m
Bangkok Suvarnabhumi
Mon 5/11
9:40 pm-10:40 am
1 stop27h 00m
$707
Showing 1-10 of 60 results
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-HKT
SEA-BKK
SEA-CNX
SEA-KBV
SEA-USM
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-HKT
SEA-BKK
SEA-CNX
SEA-KBV
What is the cheapest month to book a flight from Seattle to Thailand?
Currently, May is the cheapest month in which you can book a flight from Seattle to Thailand (average of $500). Flying from Seattle to Thailand in June is currently the most expensive (average of $704). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to TH?
Find hourly flight availability from Seattle to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 17, 2026.
One of the essential ways to save on airfare from Seattle to Thailand is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 33% on airfare.
What is the cheapest day to fly from Seattle to Thailand?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Thailand. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Seattle to Thailand flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 February 17, 2026.
Read through reviews of airlines operating flights from Seattle to Thailand, such as STARLUX Airlines, EVA Air, and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.9
Overall
8.9
Food
8.7
Entertainment
8.8
Boarding
8.9
Crew
9.2
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Overall
8.9
Food
8.7
Entertainment
8.8
Boarding
8.9
Crew
9.2
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Overall
8.9
Food
8.7
Entertainment
8.8
Boarding
8.9
Crew
9.2
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Overall
8.9
Food
8.7
Entertainment
8.8
Boarding
8.9
Crew
9.2
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Overall
8.9
Food
8.7
Entertainment
8.8
Boarding
8.9
Crew
9.2
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Comfort
8.9
Overall
8.9
Food
8.7
Entertainment
8.8
Boarding
8.9
Crew
9.2
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 Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for 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 February 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Thailand flights
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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 February 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$700 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$418 | Average$832 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$510 | Average$927 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$544 | Average$940 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$626 | Average$800 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$683 | Average$881 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$700 | Average$907 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$730 | Average$819 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$735 | Average$882 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$740 | Average$853 | FlexibilityNo cancel fee | On-timeN/A |