$353+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
May 18 — May 251
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 April 18, 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 April 18, 2026.
This oojo deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am
SEA
- BKK
1 stop34h 45m
Singapore Airlines
Mon 11/169:10 pm
BKK
- SEA
1 stop25h 00m
Singapore Airlines
Deal found 4/15![Singapore Airlines logo]()
$686
This oojo deal was found by Cheapflights users on 4/14. 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.
Thu 10/2210:15 am
SEA
- BKK
1 stop19h 45m
Singapore Airlines
Thu 11/59:10 pm
BKK
- SEA
1 stop25h 00m
Singapore Airlines
Deal found 4/14![Singapore Airlines logo]()
$689
This oojo deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:15 am
SEA
- BKK
1 stop41h 00m
Singapore Airlines
Sat 10/179:20 am
BKK
- SEA
1 stop37h 25m
Singapore Airlines
Deal found 4/14![Singapore Airlines logo]()
$702
This oojo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:45 am
SEA
- BKK
1 stop38h 50m
Singapore Airlines
Mon 11/99:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/16![Singapore Airlines logo]()
$703
This Justfly.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:55 pm
SEA
- BKK
1 stop21h 10m
Multiple Airlines
Mon 11/304:20 pm
BKK
- SEA
1 stop30h 40m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$704
This Philippine Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:10 pm
SEA
- BKK
1 stop33h 30m
Philippine Airlines
Thu 12/101:30 pm
BKK
- SEA
1 stop20h 05m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$707
This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:55 pm
SEA
- BKK
1 stop30h 55m
Philippine Airlines
Tue 12/810:50 pm
BKK
- SEA
1 stop35h 45m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$708
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Mon 12/141:30 pm
BKK
- SEA
1 stop20h 05m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$709
This oojo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:10 pm
SEA
- BKK
1 stop19h 45m
Philippine Airlines
Mon 9/147:30 pm
BKK
- SEA
1 stop38h 35m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$713
This oojo deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:45 am
SEA
- HKT
1 stop41h 25m
Singapore Airlines
Wed 11/1810:05 am
HKT
- SEA
1 stop36h 05m
Singapore Airlines
Deal found 4/15![Singapore Airlines logo]()
$713
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:45 am
SEA
- BKK
1 stop38h 50m
Singapore Airlines
Thu 11/129:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/17![Singapore Airlines logo]()
$716
This oojo deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:15 am
SEA
- HKT
1 stop35h 40m
Singapore Airlines
Mon 10/266:00 pm
HKT
- SEA
1 stop28h 10m
Singapore Airlines
Deal found 4/15![Singapore Airlines logo]()
$720
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 April 18, 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 April 18, 2026.
This Korean Air deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
SEA
- BKK
2 stops40h 35m
Korean Air
Mon 5/1811:30 pm
BKK
- SEA
1 stop25h 10m
Korean Air
Deal found 4/16![Korean Air logo]()
$965
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:05 pm
SEA
- BKK
1 stop22h 00m
Delta
Mon 8/3111:30 pm
BKK
- SEA
1 stop28h 07m
Delta
Deal found 4/14![Delta logo]()
$968
This Etihad Airways deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:34 am
SEA
- BKK
2 stops28h 41m
Multiple Airlines
Wed 11/118:50 pm
BKK
- SEA
2 stops32h 04m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,084
This SAUDIA deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:15 am
SEA
- BKK
2 stops50h 50m
SAUDIA
Mon 5/253:20 pm
BKK
- SEA
2 stops45h 25m
SAUDIA
Deal found 4/17![SAUDIA logo]()
$1,119
This Singapore Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:15 am
SEA
- CNX
1 stop40h 20m
Singapore Airlines
Mon 9/145:35 pm
CNX
- SEA
1 stop29h 10m
Singapore Airlines
Deal found 4/15![Singapore Airlines logo]()
$1,175
This EVA Air deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:30 am
SEA
- CNX
2 stops27h 40m
EVA Air
Mon 9/1410:10 am
CNX
- SEA
2 stops23h 30m
EVA Air
Deal found 4/13![EVA Air logo]()
$1,194
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:41 am
SEA
- HKT
2 stops36h 09m
Cathay Pacific
Thu 5/2111:50 am
HKT
- SEA
2 stops33h 19m
Cathay Pacific
Deal found 4/17![Cathay Pacific logo]()
$1,239
This IEagle deal was found by Cheapflights users on 4/18. 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.
Tue 6/25:15 pm
SEA
- KBV
2 stops49h 30m
Emirates
Tue 6/911:30 pm
KBV
- SEA
1 stop27h 55m
Emirates
Deal found 4/18![Emirates logo]()
$1,312
This China Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:55 am
SEA
- CNX
1 stop18h 25m
China Airlines
Thu 7/1611:20 am
CNX
- SEA
1 stop22h 25m
China Airlines
Deal found 4/16![China Airlines logo]()
$1,509
This Korean Air deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:20 am
SEA
- BKK
2 stops26h 15m
Korean Air
Wed 9/239:50 am
BKK
- SEA
1 stop38h 50m
Korean Air
Deal found 4/14![Korean Air logo]()
$976
This Delta deal was found by Cheapflights users on 4/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:00 pm
SEA
- BKK
1 stop20h 35m
Delta
Fri 12/189:40 am
BKK
- SEA
1 stop17h 16m
Delta
Deal found 4/18![Delta logo]()
$1,051
This Korean Air deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:20 am
SEA
- BKK
2 stops26h 15m
Korean Air
Sun 11/112:55 am
BKK
- SEA
2 stops29h 30m
Korean Air
Deal found 4/17![Korean Air logo]()
$988
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:45 am
SEA
- BKK
2 stops35h 50m
Delta
Thu 9/249:50 am
BKK
- SEA
1 stop17h 47m
Delta
Deal found 4/16![Delta logo]()
$1,072
This Mytrip deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:55 am
SEA
- DMK
2 stops31h 45m
Multiple Airlines
Mon 5/186:40 am
DMK
- SEA
2 stops22h 15m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,227
This Korean Air deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:20 pm
SEA
- BKK
2 stops31h 15m
Korean Air
Sat 9/52:35 am
BKK
- SEA
2 stops26h 08m
Korean Air
Deal found 4/17![Korean Air logo]()
$1,068
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:25 pm
SEA
- BKK
2 stops36h 10m
Delta
Wed 9/309:50 am
BKK
- SEA
2 stops24h 38m
Delta
Deal found 4/16![Delta logo]()
$1,128
This Emirates deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:15 pm
SEA
- HKT
1 stop28h 45m
Emirates
Thu 5/2111:45 pm
HKT
- SEA
1 stop27h 40m
Emirates
Deal found 4/15![Emirates logo]()
$1,380
This Korean Air deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:20 am
SEA
- BKK
2 stops27h 45m
Korean Air
Sat 8/2911:30 pm
BKK
- SEA
2 stops29h 54m
Korean Air
Deal found 4/15![Korean Air logo]()
$1,068
This Mytrip deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/101:15 am
SEA
- DMK
2 stops31h 50m
Multiple Airlines
Mon 5/187:30 am
DMK
- SEA
2 stops21h 25m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,301
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:05 pm
SEA
- HKT
2 stops38h 05m
Korean Air
Mon 5/1111:25 pm
HKT
- SEA
1 stop25h 15m
Korean Air
Deal found 4/13![Korean Air logo]()
$1,082
This Emirates deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:15 pm
SEA
- CNX
2 stops35h 55m
Emirates
Sun 6/148:00 pm
CNX
- SEA
2 stops31h 25m
Emirates
Deal found 4/17![Emirates logo]()
$1,444
This Expedia deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:48 pm
SEA
- HKT
3 stops37h 57m
Multiple Airlines
Mon 5/112:45 pm
HKT
- SEA
2 stops39h 25m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,315
This Emirates deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:15 pm
SEA
- CNX
2 stops35h 55m
Emirates
Thu 6/188:00 pm
CNX
- SEA
2 stops31h 25m
Emirates
Deal found 4/17![Emirates logo]()
$1,444
This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:50 am
SEA
- USM
2 stops24h 45m
EVA Air
Mon 7/138:10 am
USM
- SEA
2 stops25h 40m
EVA Air
Deal found 4/16![EVA Air logo]()
$1,757
This China Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/51:55 am
SEA
- CNX
2 stops21h 50m
China Airlines
Wed 7/158:00 pm
CNX
- SEA
2 stops37h 45m
China Airlines
Deal found 4/16![China Airlines logo]()
$1,759
This Mytrip deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:45 am
SEA
- HKT
2 stops34h 05m
Multiple Airlines
Mon 6/81:35 pm
HKT
- SEA
3 stops35h 25m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,358
This Korean Air deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:59 pm
SEA
- HKT
2 stops62h 11m
Korean Air
Mon 5/1111:25 pm
HKT
- SEA
2 stops30h 36m
Korean Air
Deal found 4/15![Korean Air logo]()
$1,123
This oojo deal was found by Cheapflights users on 4/18. 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.
Wed 7/18:25 pm
SEA
- USM
2 stops33h 15m
Cathay Pacific
Wed 7/1511:55 am
USM
- SEA
2 stops42h 32m
Cathay Pacific
Deal found 4/18![Cathay Pacific logo]()
$1,872
This FlightHub deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:50 am
SEA
- USM
2 stops24h 45m
EVA Air
Wed 7/156:00 am
USM
- SEA
2 stops27h 50m
EVA Air
Deal found 4/14![EVA Air logo]()
$1,768
This Mytrip deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:45 am
SEA
- HKT
2 stops34h 05m
Multiple Airlines
Tue 6/91:00 pm
HKT
- SEA
3 stops35h 08m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,374
Last-minute flights from Seattle to ThailandDiscover last-minute flight deals from Seattle to Thailand. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thailand. Data last updated April 18, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Mon 4/277:30 pm
BKK
- SEA
1 stop38h 35m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$785
This oojo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:10 pm
SEA
- BKK
1 stop19h 45m
Philippine Airlines
Sat 5/97:30 pm
BKK
- SEA
1 stop38h 35m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$707
This Trip.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:10 pm
SEA
- BKK
1 stop23h 00m
Multiple Airlines
Wed 5/65:50 pm
BKK
- SEA
1 stop36h 20m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$769
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Wed 5/66:15 am
DMK
- SEA
2 stops45h 20m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$934
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Fri 5/812:40 am
BKK
- SEA
1 stop22h 20m
Hainan Airlines
Deal found 4/16![Hainan Airlines logo]()
$927
This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:10 pm
SEA
- BKK
1 stop29h 20m
Multiple Airlines
Thu 5/71:10 pm
BKK
- SEA
1 stop17h 00m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$774
This oojo deal was found by Cheapflights users on 4/14. 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.
Sun 4/2612:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Sun 6/211:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 4/14![Asiana Airlines logo]()
$915
This FlightHub deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Mon 5/41:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 4/15![Asiana Airlines logo]()
$905
This Fareboom deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:55 am
SEA
- BKK
1 stop32h 25m
Multiple Airlines
Mon 5/185:50 pm
BKK
- SEA
1 stop36h 20m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$919
This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Fri 5/812:40 am
BKK
- SEA
1 stop22h 20m
Hainan Airlines
Deal found 4/16![Hainan Airlines logo]()
$928
This Justfly.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:40 pm
SEA
- BKK
2 stops49h 00m
SAUDIA
Mon 5/111:50 am
BKK
- SEA
2 stops34h 55m
SAUDIA
Deal found 4/16![SAUDIA logo]()
$901
This FlightHub deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:40 pm
SEA
- BKK
2 stops49h 05m
SAUDIA
Mon 5/111:50 am
BKK
- SEA
2 stops34h 55m
SAUDIA
Deal found 4/14![SAUDIA logo]()
$892
One-way flights from Seattle to ThailandSearch for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:09 pm
SEA
- HKT
3 stops34h 41m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:05 pm
SEA
- BKK
2 stops26h 05m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:10 pm
SEA
- DMK
3 stops25h 55m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$384
This Fareboom deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 pm
SEA
- BKK
1 stop28h 35m
Condor
Deal found 4/14![Condor logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:55 pm
SEA
- BKK
3 stops30h 15m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:10 pm
SEA
- BKK
1 stop20h 50m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$397
This Justfly.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Deal found 4/16![Philippine Airlines logo]()
$404
This SmartFares deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Deal found 4/16![Hainan Airlines logo]()
$410
This oojo deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Deal found 4/15![Hainan Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:26 am
SEA
- BKK
2 stops35h 29m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$420
This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:10 pm
SEA
- DMK
1 stop28h 45m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$424
This Fareboom deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:48 pm
SEA
- BKK
3 stops35h 07m
Air India
Deal found 4/13![Air India logo]()
$427
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 April 18, 2026.
Round-trip from | $686 (oojo) |
|---|---|
One-way from | $353 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $808 |
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 April 18, 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 4/29
7:00 am-1:35 pm
2 stops40h 35m
Bangkok Suvarnabhumi
Mon 5/18
11:30 pm-10:40 am
1 stop25h 10m
$965
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 8/19
1:05 pm-1:05 am
1 stop22h 00m
Bangkok Suvarnabhumi
Mon 8/31
11:30 pm-1:37 pm
1 stop28h 07m
$968
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/24
7:20 am-11:35 pm
2 stops26h 15m
Bangkok Suvarnabhumi
Wed 9/23
9:50 am-10:40 am
1 stop38h 50m
$976
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 8/25
7:20 am-11:35 pm
2 stops26h 15m
Bangkok Suvarnabhumi
Sun 11/1
12:55 am-3:25 pm
2 stops29h 30m
$988
Quickest round-trip
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 9/12
1:00 pm-11:35 pm
1 stop20h 35m
Bangkok Suvarnabhumi
Fri 12/18
9:40 am-11:56 am
1 stop17h 16m
$1,051
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 8/9
4:20 pm-1:35 pm
2 stops31h 15m
Bangkok Suvarnabhumi
Sat 9/5
2:35 am-2:43 pm
2 stops26h 08m
$1,068
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 8/21
7:20 am-1:05 am
2 stops27h 45m
Bangkok Suvarnabhumi
Sat 8/29
11:30 pm-3:24 pm
2 stops29h 54m
$1,068
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 9/13
11:45 am-1:35 pm
2 stops35h 50m
Bangkok Suvarnabhumi
Thu 9/24
9:50 am-1:37 pm
1 stop17h 47m
$1,072
SeattlePhuket City
SEA - HKT
SEAHKT
Seattle/Tacoma Intl
Sat 5/2
6:05 pm-10:10 pm
2 stops38h 05m
Phuket City
Mon 5/11
11:25 pm-10:40 am
1 stop25h 15m
$1,082
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 10/7
11:34 am-6:15 am
2 stops28h 41m
Bangkok Suvarnabhumi
Wed 11/11
8:50 pm-1:54 pm
2 stops32h 04m
$1,084
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-CNX
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-CNX
SEA-HKT
SEA-KBV
What is the cheapest month to book a flight from Seattle to Thailand?
Currently, September is the cheapest month in which you can book a flight from Seattle to Thailand (average of $498). Flying from Seattle to Thailand in December is currently the most expensive (average of $2,228). 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.
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 April 18, 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.
Boarding
9.0
Overall
8.9
Comfort
8.9
Entertainment
8.8
Crew
9.2
Food
8.6
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Overall
8.9
Comfort
8.9
Entertainment
8.8
Crew
9.2
Food
8.6
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Overall
8.9
Comfort
8.9
Entertainment
8.8
Crew
9.2
Food
8.6
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Overall
8.9
Comfort
8.9
Entertainment
8.8
Crew
9.2
Food
8.6
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Overall
8.9
Comfort
8.9
Entertainment
8.8
Crew
9.2
Food
8.6
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Overall
8.9
Comfort
8.9
Entertainment
8.8
Crew
9.2
Food
8.6
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.
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 April 18, 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 April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$682 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$418 | Average$828 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$510 | Average$913 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$623 | Average$1,882 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$626 | Average$800 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$680 | Average$846 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$694 | Average$944 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$697 | Average$901 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$704 | Average$798 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$712 | Average$820 | FlexibilityNo cancel fee | On-time70% |