$413+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Jun 19 — Jun 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 May 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 May 20, 2026.
This oojo deal was found by Cheapflights users on 5/19. 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 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 stop19h 35m
Singapore Airlines
Tue 11/310:05 am
HKT
- SEA
1 stop36h 05m
Singapore Airlines
Deal found 5/19![Singapore Airlines logo]()
$674
This oojo deal was found by Cheapflights users on 5/17. 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 10/2210:15 am
SEA
- HKT
1 stop34h 35m
Singapore Airlines
Sat 10/318:40 am
HKT
- SEA
1 stop37h 30m
Singapore Airlines
Deal found 5/17![Singapore Airlines logo]()
$681
This oojo deal was found by Cheapflights users on 5/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:15 am
SEA
- HKT
1 stop19h 00m
Singapore Airlines
Fri 10/308:40 am
HKT
- SEA
1 stop37h 30m
Singapore Airlines
Deal found 5/19![Singapore Airlines logo]()
$684
This oojo deal was found by Cheapflights users on 5/19. 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 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 stop32h 20m
Singapore Airlines
Mon 10/2610:05 am
HKT
- SEA
1 stop36h 05m
Singapore Airlines
Deal found 5/19![Singapore Airlines logo]()
$685
This oojo deal was found by Cheapflights users on 5/17. 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.
Sat 10/1010:15 am
SEA
- HKT
1 stop19h 35m
Singapore Airlines
Mon 10/268:40 am
HKT
- SEA
1 stop37h 30m
Singapore Airlines
Deal found 5/17![Singapore Airlines logo]()
$715
This oojo deal was found by Cheapflights users on 5/17. 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.
Sun 9/610:15 am
SEA
- HKT
1 stop19h 00m
Singapore Airlines
Wed 9/169:20 am
HKT
- SEA
1 stop37h 25m
Singapore Airlines
Deal found 5/17![Singapore Airlines logo]()
$729
This oojo deal was found by Cheapflights users on 5/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:01 pm
SEA
- HKT
2 stops27h 49m
Singapore Airlines
Thu 10/292:55 pm
HKT
- SEA
1 stop31h 15m
Singapore Airlines
Deal found 5/19![Singapore Airlines logo]()
$816
This oojo deal was found by Cheapflights users on 5/18. 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 11/38:45 am
SEA
- HKT
1 stop33h 30m
Singapore Airlines
Sun 11/298:15 pm
HKT
- SEA
1 stop49h 55m
Singapore Airlines
Deal found 5/18![Singapore Airlines logo]()
$840
This FlightHub deal was found by Cheapflights users on 5/15. 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.
Sat 10/310:15 am
SEA
- CNX
1 stop40h 20m
Singapore Airlines
Wed 10/1411:30 am
CNX
- SEA
1 stop35h 15m
Singapore Airlines
Deal found 5/15![Singapore Airlines logo]()
$866
This Singapore Airlines deal was found by Cheapflights users on 5/16. 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.
Wed 11/258:45 am
SEA
- USM
1 stop32h 15m
Singapore Airlines
Thu 12/108:55 am
USM
- SEA
1 stop37h 15m
Singapore Airlines
Deal found 5/16![Singapore Airlines logo]()
$885
This FlightHub deal was found by Cheapflights users on 5/19. 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.
Thu 10/110:15 am
SEA
- CNX
1 stop40h 20m
Singapore Airlines
Tue 10/135:35 pm
CNX
- SEA
1 stop53h 10m
Singapore Airlines
Deal found 5/19![Singapore Airlines logo]()
$905
This FlightHub deal was found by Cheapflights users on 5/15. 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.
Thu 10/1510:15 am
SEA
- USM
1 stop41h 05m
Singapore Airlines
Sun 10/187:45 pm
USM
- SEA
1 stop51h 00m
Singapore Airlines
Deal found 5/15![Singapore Airlines logo]()
$922
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 May 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 May 20, 2026.
This United Airlines deal was found by Cheapflights users on 5/19. 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 11/43:40 pm
SEA
- BKK
1 stop22h 30m
United Airlines
Tue 11/109:10 am
BKK
- SEA
1 stop19h 10m
United Airlines
Deal found 5/19![United Airlines logo]()
$973
This FlightHub deal was found by Cheapflights users on 5/17. 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.
Mon 8/104:25 pm
SEA
- HKT
1 stop25h 20m
Qatar Airways
Mon 8/319:20 am
HKT
- SEA
2 stops47h 42m
Qatar Airways
Deal found 5/17![Qatar Airways logo]()
$1,128
This Emirates deal was found by Cheapflights users on 5/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:15 pm
SEA
- DMK
1 stop37h 30m
Emirates
Tue 11/1711:00 am
DMK
- SEA
1 stop40h 35m
Emirates
Deal found 5/15![Emirates logo]()
$1,299
This oojo deal was found by Cheapflights users on 5/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:05 pm
SEA
- UTP
2 stops33h 45m
Multiple Airlines
Thu 10/291:00 pm
UTP
- SEA
2 stops37h 40m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$1,299
This Delta deal was found by Cheapflights users on 5/19. 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.
Mon 7/135:30 pm
SEA
- HKT
2 stops38h 40m
Delta
Thu 7/2311:25 pm
HKT
- SEA
2 stops36h 24m
Delta
Deal found 5/19![Delta logo]()
$1,426
This FlightHub deal was found by Cheapflights users on 5/17. 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.
Tue 7/2110:15 am
SEA
- USM
1 stop41h 05m
Singapore Airlines
Mon 8/38:40 am
USM
- SEA
1 stop38h 05m
Singapore Airlines
Deal found 5/17![Singapore Airlines logo]()
$1,512
This IEagle deal was found by Cheapflights users on 5/18. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1812:50 am
SEA
- HKT
2 stops32h 10m
EVA Air
Sun 6/287:10 pm
HKT
- SEA
2 stops38h 30m
EVA Air
Deal found 5/18![EVA Air logo]()
$1,724
This United Airlines deal was found by Cheapflights users on 5/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:15 pm
SEA
- BKK
2 stops31h 20m
United Airlines
Tue 9/159:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Deal found 5/17![United Airlines logo]()
$977
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Tue 8/259:00 am
SEA
- BKK
3 stops34h 35m
United Airlines
Wed 9/309:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Deal found 5/19![United Airlines logo]()
$981
This Malaysia Airlines deal was found by Cheapflights users on 5/16. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:05 pm
SEA
- HKT
2 stops30h 15m
Malaysia Airlines
Wed 7/152:45 pm
HKT
- SEA
3 stops35h 40m
Malaysia Airlines
Deal found 5/16![Malaysia Airlines logo]()
$2,292
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Mon 10/124:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Wed 11/47:10 am
BKK
- SEA
2 stops22h 08m
United Airlines
Deal found 5/19![United Airlines logo]()
$985
This oojo deal was found by Cheapflights users on 5/16. 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 6/15:05 pm
SEA
- HKT
1 stop31h 10m
Qatar Airways
Wed 7/158:30 pm
HKT
- SEA
1 stop29h 55m
Qatar Airways
Deal found 5/16![Qatar Airways logo]()
$1,283
This Emirates deal was found by Cheapflights users on 5/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:15 pm
SEA
- DMK
1 stop37h 30m
Emirates
Tue 11/1711:00 am
DMK
- SEA
1 stop40h 35m
Emirates
Deal found 5/15![Emirates logo]()
$1,299
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 9/284:30 pm
SEA
- BKK
2 stops27h 05m
United Airlines
Mon 10/267:10 am
BKK
- SEA
2 stops21h 08m
United Airlines
Deal found 5/15![United Airlines logo]()
$990
This Air Canada deal was found by Cheapflights users on 5/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/83:00 pm
SEA
- HKT
2 stops36h 20m
Multiple Airlines
Mon 6/1510:40 pm
HKT
- SEA
2 stops29h 40m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$1,363
This Emirates deal was found by Cheapflights users on 5/19. 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.
Sun 10/185:15 pm
SEA
- DMK
1 stop37h 30m
Emirates
Fri 10/3010:55 pm
DMK
- SEA
1 stop28h 40m
Emirates
Deal found 5/19![Emirates logo]()
$1,299
This United Airlines deal was found by Cheapflights users on 5/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:16 pm
SEA
- BKK
3 stops30h 19m
United Airlines
Mon 10/267:10 am
BKK
- SEA
2 stops30h 11m
United Airlines
Deal found 5/18![United Airlines logo]()
$994
This Qatar Airways deal was found by Cheapflights users on 5/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:25 pm
SEA
- UTP
2 stops34h 25m
Qatar Airways
Thu 10/221:00 pm
UTP
- SEA
2 stops37h 25m
Qatar Airways
Deal found 5/19![Qatar Airways logo]()
$1,382
This Emirates deal was found by Cheapflights users on 5/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Tue 11/1711:00 am
DMK
- SEA
1 stop40h 35m
Emirates
Deal found 5/15![Emirates logo]()
$1,299
This Air Canada deal was found by Cheapflights users on 5/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:20 pm
SEA
- HKT
2 stops24h 15m
Multiple Airlines
Thu 7/239:20 pm
HKT
- SEA
2 stops26h 47m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$1,460
This United Airlines deal was found by Cheapflights users on 5/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:15 pm
SEA
- BKK
2 stops31h 20m
United Airlines
Thu 9/109:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Deal found 5/17![United Airlines logo]()
$1,017
This Emirates deal was found by Cheapflights users on 5/19. 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 10/55:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Mon 10/1211:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 5/19![Emirates logo]()
$1,299
This FlightHub deal was found by Cheapflights users on 5/19. 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.
Tue 6/301:50 am
SEA
- USM
2 stops23h 35m
EVA Air
Mon 7/137:50 pm
USM
- SEA
2 stops38h 00m
EVA Air
Deal found 5/19![EVA Air logo]()
$1,787
This Qatar Airways deal was found by Cheapflights users on 5/15. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:25 pm
SEA
- CNX
2 stops26h 55m
Qatar Airways
Thu 7/98:00 pm
CNX
- SEA
2 stops30h 25m
Qatar Airways
Deal found 5/15![Qatar Airways logo]()
$1,480
This United Airlines deal was found by Cheapflights users on 5/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/34:30 pm
SEA
- BKK
2 stops27h 05m
United Airlines
Sun 9/203:45 pm
BKK
- SEA
3 stops33h 59m
United Airlines
Deal found 5/17![United Airlines logo]()
$1,038
This IEagle deal was found by Cheapflights users on 5/15. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:15 pm
SEA
- DMK
1 stop28h 10m
Emirates
Wed 9/1612:10 pm
DMK
- SEA
1 stop39h 15m
Emirates
Deal found 5/15![Emirates logo]()
$1,320
This Qatar Airways deal was found by Cheapflights users on 5/15. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:25 pm
SEA
- CNX
2 stops26h 55m
Qatar Airways
Fri 7/311:55 am
CNX
- SEA
2 stops38h 30m
Qatar Airways
Deal found 5/15![Qatar Airways logo]()
$1,484
This Gotogate deal was found by Cheapflights users on 5/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:56 pm
SEA
- USM
2 stops33h 44m
Multiple Airlines
Wed 7/86:25 pm
USM
- SEA
3 stops36h 02m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$1,672
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Sun 11/17:32 pm
SEA
- BKK
2 stops48h 53m
United Airlines
Fri 11/134:55 pm
BKK
- SEA
3 stops32h 26m
United Airlines
Deal found 5/19![United Airlines logo]()
$1,057
This Emirates deal was found by Cheapflights users on 5/17. 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.
Sun 9/135:15 pm
SEA
- DMK
1 stop37h 30m
Emirates
Sat 9/2612:10 pm
DMK
- SEA
1 stop39h 15m
Emirates
Deal found 5/17![Emirates logo]()
$1,349
Last-minute flights from Seattle to ThailandDiscover last-minute flight deals from Seattle to Thailand. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thailand. Data last updated May 20, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 5/19. 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 5/1912:50 am
SEA
- CNX
1 stop19h 35m
EVA Air
Wed 5/2711:55 am
CNX
- SEA
2 stops21h 35m
EVA Air
Deal found 5/19![EVA Air logo]()
$1,295
This oojo deal was found by Cheapflights users on 5/16. 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 6/15:05 pm
SEA
- HKT
1 stop31h 10m
Qatar Airways
Wed 7/158:30 pm
HKT
- SEA
1 stop29h 55m
Qatar Airways
Deal found 5/16![Qatar Airways logo]()
$1,283
This Mytrip deal was found by Cheapflights users on 5/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:30 am
SEA
- BKK
3 stops35h 40m
Multiple Airlines
Wed 6/245:50 pm
BKK
- SEA
1 stop36h 20m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$1,003
This Mytrip deal was found by Cheapflights users on 5/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:30 am
SEA
- BKK
3 stops35h 40m
Multiple Airlines
Wed 7/85:50 pm
BKK
- SEA
1 stop36h 45m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$1,042
This oojo deal was found by Cheapflights users on 5/16. 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 6/85:05 pm
SEA
- HKT
1 stop31h 05m
Qatar Airways
Mon 6/159:00 pm
HKT
- SEA
1 stop29h 25m
Qatar Airways
Deal found 5/16![Qatar Airways logo]()
$1,072
This FlightHub deal was found by Cheapflights users on 5/20. 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.
Wed 6/101:20 pm
SEA
- BKK
2 stops34h 25m
Qatar Airways
Thu 6/188:00 pm
BKK
- SEA
1 stop30h 25m
Qatar Airways
Deal found 5/20![Qatar Airways logo]()
$1,037
This FlightHub deal was found by Cheapflights users on 5/20. 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.
Wed 6/107:03 am
SEA
- BKK
2 stops41h 12m
Qatar Airways
Tue 7/72:30 am
BKK
- SEA
1 stop23h 55m
Qatar Airways
Deal found 5/20![Qatar Airways logo]()
$1,053
This Justfly.com deal was found by Cheapflights users on 5/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:20 pm
SEA
- BKK
2 stops34h 25m
Qatar Airways
Sun 7/122:30 am
BKK
- SEA
1 stop23h 55m
Qatar Airways
Deal found 5/20![Qatar Airways logo]()
$1,056
This oojo deal was found by Cheapflights users on 5/18. 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.
Thu 6/115:05 pm
SEA
- BKK
1 stop30h 40m
Qatar Airways
Thu 6/188:00 pm
BKK
- SEA
1 stop30h 25m
Qatar Airways
Deal found 5/18![Qatar Airways logo]()
$1,010
This oojo deal was found by Cheapflights users on 5/15. 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 6/115:05 pm
SEA
- BKK
1 stop23h 45m
Qatar Airways
Wed 6/248:00 pm
BKK
- SEA
1 stop30h 25m
Qatar Airways
Deal found 5/15![Qatar Airways logo]()
$1,022
This oojo deal was found by Cheapflights users on 5/17. 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 6/115:05 pm
SEA
- BKK
1 stop30h 40m
Qatar Airways
Wed 7/152:30 am
BKK
- SEA
1 stop23h 55m
Qatar Airways
Deal found 5/17![Qatar Airways logo]()
$1,030
This oojo deal was found by Cheapflights users on 5/17. 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 6/115:05 pm
SEA
- BKK
1 stop23h 45m
Qatar Airways
Wed 7/159:15 am
BKK
- SEA
1 stop41h 10m
Qatar Airways
Deal found 5/17![Qatar Airways logo]()
$1,032
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 May 20, 2026.
Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This SmartFares deal was found by Cheapflights users on 5/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Deal found 5/19![Hainan Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Sat 10/3111:00 am
SEA
- BKK
1 stop22h 25m
Hainan Airlines
Deal found 5/15![Hainan Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:15 am
SEA
- BKK
1 stop19h 45m
Singapore Airlines
Deal found 5/18![Singapore Airlines logo]()
$429
This CheapOair deal was found by Cheapflights users on 5/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Deal found 5/20![Hainan Airlines logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:15 am
SEA
- BKK
1 stop19h 45m
Singapore Airlines
Deal found 5/18![Singapore Airlines logo]()
$431
This Trip.com deal was found by Cheapflights users on 5/16. 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.
Tue 8/1810:15 am
SEA
- HKT
1 stop32h 20m
Singapore Airlines
Deal found 5/16![Singapore Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Mon 11/911:55 pm
SEA
- BKK
1 stop21h 10m
Philippine Airlines
Deal found 5/15![Philippine Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Wed 8/1211:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Deal found 5/19![Philippine Airlines logo]()
$450
This CheapTickets deal was found by Cheapflights users on 5/17. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:10 pm
SEA
- BKK
1 stop33h 30m
Philippine Airlines
Deal found 5/17![Philippine Airlines logo]()
$453
This SmartFares deal was found by Cheapflights users on 5/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:55 pm
SEA
- BKK
1 stop21h 10m
Philippine Airlines
Deal found 5/18![Philippine Airlines logo]()
$459
This Trip.com deal was found by Cheapflights users on 5/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:10 pm
SEA
- BKK
1 stop19h 45m
Philippine Airlines
Deal found 5/20![Philippine Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 8/2810:15 am
SEA
- DMK
2 stops22h 05m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$520
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 May 20, 2026.
Round-trip from | $674 (oojo) |
|---|---|
One-way from | $413 (SmartFares) |
Popular in | June |
Cheapest in | September |
Average price | $903 |
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 May 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
Quickest round-trip
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 11/4
3:40 pm-5:10 am
1 stop22h 30m
Bangkok Suvarnabhumi
Tue 11/10
9:10 am-1:20 pm
1 stop19h 10m
$973
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 9/1
12:15 pm-9:35 am
2 stops31h 20m
Bangkok Suvarnabhumi
Tue 9/15
9:35 am-2:25 pm
1 stop18h 50m
$977
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 8/25
9:00 am-9:35 am
3 stops34h 35m
Bangkok Suvarnabhumi
Wed 9/30
9:35 am-2:25 pm
1 stop18h 50m
$981
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 10/12
4:30 pm-4:35 am
1 stop22h 05m
Bangkok Suvarnabhumi
Wed 11/4
7:10 am-2:18 pm
2 stops22h 08m
$985
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 9/28
4:30 pm-9:35 am
2 stops27h 05m
Bangkok Suvarnabhumi
Mon 10/26
7:10 am-2:18 pm
2 stops21h 08m
$990
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 10/22
1:16 pm-9:35 am
3 stops30h 19m
Bangkok Suvarnabhumi
Mon 10/26
7:10 am-11:21 pm
2 stops30h 11m
$994
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 8/15
12:15 pm-9:35 am
2 stops31h 20m
Bangkok Suvarnabhumi
Thu 9/10
9:35 am-2:25 pm
1 stop18h 50m
$1,017
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 9/3
4:30 pm-9:35 am
2 stops27h 05m
Bangkok Suvarnabhumi
Sun 9/20
3:45 pm-11:44 am
3 stops33h 59m
$1,038
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 11/1
7:32 pm-11:25 am
2 stops48h 53m
Bangkok Suvarnabhumi
Fri 11/13
4:55 pm-10:21 am
3 stops32h 26m
$1,057
SeattlePhuket City
SEA - HKT
SEAHKT
Seattle/Tacoma Intl
Mon 8/10
4:25 pm-7:45 am
1 stop25h 20m
Phuket City
Mon 8/31
9:20 am-7:02 pm
2 stops47h 42m
$1,128
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-HKT
SEA-BKK
SEA-CNX
SEA-DMK
SEA-UTP
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-DMK
What is the cheapest month to book a flight from Seattle to Thailand?
Currently, April is the cheapest month in which you can book a flight from Seattle to Thailand (average of $140). Flying from Seattle to Thailand in December is currently the most expensive (average of $2,204). 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 May 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.
Comfort
8.9
Overall
8.9
Entertainment
8.8
Boarding
9.0
Crew
9.2
Food
8.7
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Comfort
8.9
Overall
8.9
Entertainment
8.8
Boarding
9.0
Crew
9.2
Food
8.7
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Comfort
8.9
Overall
8.9
Entertainment
8.8
Boarding
9.0
Crew
9.2
Food
8.7
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Comfort
8.9
Overall
8.9
Entertainment
8.8
Boarding
9.0
Crew
9.2
Food
8.7
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Comfort
8.9
Overall
8.9
Entertainment
8.8
Boarding
9.0
Crew
9.2
Food
8.7
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Comfort
8.9
Overall
8.9
Entertainment
8.8
Boarding
9.0
Crew
9.2
Food
8.7
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
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 May 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 May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$677 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$510 | Average$695 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$626 | Average$807 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$652 | Average$789 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$680 | Average$853 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$694 | Average$952 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$697 | Average$925 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$705 | Average$880 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$729 | Average$830 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$745 | Average$1,259 | FlexibilityNo cancel fee | On-time68% |