$415+ Cheap flights from Seattle (SEA) to Bangkok
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Aug 11 — Aug 181
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to BangkokExplore the most affordable flight options available from Seattle to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.
Explore the most affordable flight options available from Seattle to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.
This eDestinos deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:16 am
SEA
- BKK
2 stops26h 19m
Korean Air
Sun 9/139:40 pm
BKK
- SEA
1 stop27h 00m
Korean Air
Deal found 7/7![Korean Air logo]()
$765
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 11/178:45 am
SEA
- BKK
1 stop38h 50m
Singapore Airlines
Tue 12/112:00 pm
BKK
- SEA
1 stop34h 10m
Singapore Airlines
Deal found 7/7![Singapore Airlines logo]()
$768
This Justfly.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:15 am
SEA
- BKK
1 stop42h 45m
Singapore Airlines
Sat 9/199:15 pm
BKK
- SEA
1 stop25h 30m
Singapore Airlines
Deal found 7/8![Singapore Airlines logo]()
$774
This FlightHub deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:45 am
SEA
- BKK
1 stop38h 50m
Singapore Airlines
Sat 11/219:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 7/11![Singapore Airlines logo]()
$778
This oojo deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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
- BKK
1 stop41h 15m
Singapore Airlines
Mon 12/79:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 7/7![Singapore Airlines logo]()
$779
This oojo deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 9/1110:15 am
SEA
- BKK
1 stop31h 50m
Singapore Airlines
Mon 9/218:15 pm
BKK
- SEA
1 stop26h 30m
Singapore Airlines
Deal found 7/11![Singapore Airlines logo]()
$780
This Trip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 11/88:45 am
SEA
- BKK
1 stop38h 50m
Singapore Airlines
Fri 12/1112:00 pm
BKK
- SEA
1 stop34h 10m
Singapore Airlines
Deal found 7/10![Singapore Airlines logo]()
$781
This FlightHub deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/2910:15 am
SEA
- BKK
1 stop34h 45m
Singapore Airlines
Tue 10/69:15 pm
BKK
- SEA
1 stop49h 30m
Singapore Airlines
Deal found 7/8![Singapore Airlines logo]()
$782
This FlightHub deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 11/108:45 am
SEA
- BKK
1 stop43h 00m
Singapore Airlines
Sun 11/158:00 pm
BKK
- SEA
1 stop50h 10m
Singapore Airlines
Deal found 7/7![Singapore Airlines logo]()
$783
This Justfly.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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.
Sat 11/288:45 am
SEA
- BKK
1 stop43h 00m
Singapore Airlines
Tue 12/159:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 7/9![Singapore Airlines logo]()
$785
This oojo deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 11/158:45 am
SEA
- BKK
1 stop41h 15m
Singapore Airlines
Fri 12/119:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 7/9![Singapore Airlines logo]()
$790
This Mytrip deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/3112:10 am
SEA
- DMK
2 stops31h 55m
Multiple Airlines
Wed 9/99:20 am
DMK
- SEA
2 stops20h 50m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$1,054
Best flights from Seattle to BangkokDiscover carefully curated flight deals from Seattle to Bangkok that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
Discover carefully curated flight deals from Seattle to Bangkok that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
This Korean Air deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:00 pm
SEA
- BKK
1 stop19h 30m
Korean Air
Wed 10/2812:55 am
BKK
- SEA
1 stop23h 05m
Korean Air
Deal found 7/8![Korean Air logo]()
$869
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:43 pm
SEA
- BKK
2 stops24h 52m
United Airlines
Mon 10/59:35 am
BKK
- SEA
2 stops27h 51m
United Airlines
Deal found 7/11![United Airlines logo]()
$886
This Japan Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:15 pm
SEA
- BKK
2 stops25h 25m
Japan Airlines
Sat 9/1912:30 am
BKK
- SEA
2 stops24h 05m
Japan Airlines
Deal found 7/10![Japan Airlines logo]()
$992
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/129:35 pm
SEA
- BKK
2 stops36h 00m
Delta
Mon 9/212:35 am
BKK
- SEA
2 stops33h 10m
Delta
Deal found 7/8![Delta logo]()
$1,005
This Mytrip deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 10/61:15 am
SEA
- DMK
1 stop28h 15m
Multiple Airlines
Fri 10/163:00 am
DMK
- SEA
2 stops21h 05m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,279
This Emirates deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Thu 10/2212:10 pm
DMK
- SEA
1 stop39h 15m
Emirates
Deal found 7/9![Emirates logo]()
$1,348
This Korean Air deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 11/177:20 am
SEA
- BKK
2 stops47h 10m
Korean Air
Tue 11/249:40 am
BKK
- SEA
1 stop38h 20m
Korean Air
Deal found 7/9![Korean Air logo]()
$874
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/2412:15 pm
SEA
- BKK
2 stops31h 20m
United Airlines
Wed 9/233:45 pm
BKK
- SEA
2 stops33h 50m
United Airlines
Deal found 7/11![United Airlines logo]()
$892
This Korean Air deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 11/107:20 am
SEA
- BKK
2 stops47h 10m
Korean Air
Wed 1/1312:55 am
BKK
- SEA
2 stops28h 52m
Korean Air
Deal found 7/9![Korean Air logo]()
$885
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 11/78:40 pm
SEA
- BKK
2 stops36h 40m
United Airlines
Sat 12/124:55 pm
BKK
- SEA
2 stops36h 23m
United Airlines
Deal found 7/10![United Airlines logo]()
$907
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/103:35 pm
SEA
- BKK
3 stops28h 00m
United Airlines
Mon 8/173:45 pm
BKK
- SEA
2 stops38h 29m
United Airlines
Deal found 7/11![United Airlines logo]()
$908
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/133:30 pm
SEA
- BKK
3 stops28h 05m
United Airlines
Tue 8/257:00 am
BKK
- SEA
2 stops21h 24m
United Airlines
Deal found 7/7![United Airlines logo]()
$922
This Emirates deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 10/15:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Mon 10/511:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 7/11![Emirates logo]()
$1,348
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/97:00 am
SEA
- BKK
3 stops36h 35m
United Airlines
Thu 8/207:00 am
BKK
- SEA
2 stops30h 26m
United Airlines
Deal found 7/7![United Airlines logo]()
$922
This Emirates deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/265:15 pm
SEA
- DMK
1 stop28h 10m
Emirates
Sat 9/1211:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 7/11![Emirates logo]()
$1,348
This United Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/171:22 pm
SEA
- BKK
3 stops30h 13m
United Airlines
Thu 8/273:45 pm
BKK
- SEA
3 stops34h 35m
United Airlines
Deal found 7/9![United Airlines logo]()
$930
This Emirates deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:15 pm
SEA
- DMK
1 stop28h 10m
Emirates
Tue 9/2212:10 pm
DMK
- SEA
1 stop39h 15m
Emirates
Deal found 7/8![Emirates logo]()
$1,348
This Emirates deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:15 pm
SEA
- DMK
1 stop28h 10m
Emirates
Tue 9/2212:10 pm
DMK
- SEA
1 stop39h 15m
Emirates
Deal found 7/7![Emirates logo]()
$1,348
This Emirates deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 10/75:15 pm
SEA
- DMK
1 stop37h 30m
Emirates
Sat 10/1712:10 pm
DMK
- SEA
1 stop39h 15m
Emirates
Deal found 7/11![Emirates logo]()
$1,348
This Emirates deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:15 pm
SEA
- DMK
1 stop37h 30m
Emirates
Wed 10/2111:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 7/9![Emirates logo]()
$1,348
This Emirates deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:15 pm
SEA
- DMK
1 stop28h 10m
Emirates
Sun 9/2011:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 7/8![Emirates logo]()
$1,398
This Emirates deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/285:15 pm
SEA
- DMK
1 stop29h 15m
Emirates
Sat 9/1211:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 7/11![Emirates logo]()
$1,398
This Emirates deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Sun 10/1811:50 pm
DMK
- SEA
1 stop27h 35m
Emirates
Deal found 7/9![Emirates logo]()
$1,398
Last-minute flights from Seattle to BangkokDiscover last-minute flight deals from Seattle to Bangkok. Data last updated July 12, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bangkok. Data last updated July 12, 2026 and is based on user searches.
This Rumbo deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Tue 9/111:45 am
BKK
- SEA
1 stop17h 30m
Asiana Airlines
Deal found 7/11![Asiana Airlines logo]()
$830
This Mytrip deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/161:55 am
SEA
- DMK
2 stops24h 20m
Multiple Airlines
Tue 9/16:30 am
DMK
- SEA
2 stops27h 15m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,144
This lol.travel deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:20 pm
SEA
- BKK
1 stop18h 25m
Korean Air
Tue 9/111:30 pm
BKK
- SEA
1 stop25h 10m
Korean Air
Deal found 7/10![Korean Air logo]()
$807
This Mytrip deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:15 am
SEA
- DMK
1 stop25h 25m
Multiple Airlines
Sun 9/69:40 am
DMK
- SEA
1 stop20h 30m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,098
This Fareboom deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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.
Mon 8/2412:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Thu 9/311:45 am
BKK
- SEA
1 stop17h 30m
Asiana Airlines
Deal found 7/10![Asiana Airlines logo]()
$809
This FlightHub deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/2510:15 am
SEA
- BKK
1 stop31h 50m
Singapore Airlines
Mon 9/146:30 pm
BKK
- SEA
1 stop28h 15m
Singapore Airlines
Deal found 7/9![Singapore Airlines logo]()
$818
This FlightHub deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/2512:10 am
SEA
- BKK
1 stop33h 25m
Asiana Airlines
Sun 9/61:35 am
BKK
- SEA
1 stop27h 40m
Asiana Airlines
Deal found 7/9![Asiana Airlines logo]()
$827
This Fareboom deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:40 pm
SEA
- BKK
1 stop28h 55m
Multiple Airlines
Sun 9/61:35 am
BKK
- SEA
1 stop27h 40m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$829
This Fareboom deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:10 pm
SEA
- BKK
1 stop19h 45m
Philippine Airlines
Wed 9/91:25 pm
BKK
- SEA
1 stop20h 40m
Philippine Airlines
Deal found 7/11![Philippine Airlines logo]()
$832
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/291:55 am
SEA
- DMK
1 stop24h 45m
Multiple Airlines
Sun 9/69:40 am
DMK
- SEA
1 stop24h 05m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,116
This Mytrip deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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.
Sat 8/291:15 am
SEA
- DMK
1 stop25h 25m
Multiple Airlines
Fri 9/46:15 am
DMK
- SEA
1 stop23h 55m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,119
This Trip.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/3010:15 am
SEA
- BKK
1 stop34h 45m
Singapore Airlines
Wed 9/161:35 pm
BKK
- SEA
1 stop33h 10m
Singapore Airlines
Deal found 7/11![Singapore Airlines logo]()
$804
One-way flights from Seattle to BangkokSearch for one-way flight options from Seattle to Bangkok. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
Search for one-way flight options from Seattle to Bangkok. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
This Mytrip deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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.
Fri 10/212:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Deal found 7/8![Asiana Airlines logo]()
$415
This Flightnetwork deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:10 am
SEA
- BKK
1 stop20h 30m
Asiana Airlines
Deal found 7/10![Asiana Airlines logo]()
$416
This Mytrip deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 7/2612:10 am
SEA
- BKK
1 stop33h 25m
Asiana Airlines
Deal found 7/8![Asiana Airlines logo]()
$417
This oojo deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/131:25 pm
SEA
- BKK
1 stop19h 35m
Japan Airlines
Deal found 7/11![Japan Airlines logo]()
$420
This Justfly.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 10/1310:30 am
SEA
- BKK
2 stops28h 05m
ANA
Deal found 7/10![ANA logo]()
$421
This FlightHub deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/1911:10 pm
SEA
- BKK
1 stop33h 30m
Philippine Airlines
Deal found 7/8![Philippine Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 10/194:25 pm
SEA
- BKK
2 stops39h 20m
Korean Air
Deal found 7/11![Korean Air logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:15 am
SEA
- DMK
2 stops32h 55m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/1510:15 am
SEA
- DMK
2 stops44h 35m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:00 pm
SEA
- BKK
1 stop18h 45m
Delta
Deal found 7/8![Delta logo]()
$426
This Korean Air deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/2212:50 pm
SEA
- BKK
1 stop22h 15m
Korean Air
Deal found 7/8![Korean Air logo]()
$428
This Gotogate deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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.
Tue 10/610:30 am
SEA
- BKK
2 stops28h 05m
ANA
Deal found 7/10![ANA logo]()
$429
Find flight deals from Seattle to Bangkok
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Bangkok (TH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 12, 2026.
Round-trip from | $765 (eDestinos) |
|---|---|
One-way from | $415 (Mytrip) |
Popular in | June |
Cheapest in | October |
Average price | $955 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Bangkok that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 12, 2026.
Use the filters below to find and compare flights from Seattle to Bangkok that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 10/26
12:00 pm-9:30 pm
1 stop19h 30m
Bangkok Suvarnabhumi
Wed 10/28
12:55 am-10:00 am
1 stop23h 05m
$869
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 11/17
7:20 am-9:30 pm
2 stops47h 10m
Bangkok Suvarnabhumi
Tue 11/24
9:40 am-9:00 am
1 stop38h 20m
$874
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 11/10
7:20 am-9:30 pm
2 stops47h 10m
Bangkok Suvarnabhumi
Wed 1/13
12:55 am-2:47 pm
2 stops28h 52m
$885
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 10/1
6:43 pm-9:35 am
2 stops24h 52m
Bangkok Suvarnabhumi
Mon 10/5
9:35 am-11:26 pm
2 stops27h 51m
$886
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/24
12:15 pm-9:35 am
2 stops31h 20m
Bangkok Suvarnabhumi
Wed 9/23
3:45 pm-11:35 am
2 stops33h 50m
$892
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 11/7
8:40 pm-12:20 am
2 stops36h 40m
Bangkok Suvarnabhumi
Sat 12/12
4:55 pm-2:18 pm
2 stops36h 23m
$907
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/10
3:35 pm-9:35 am
3 stops28h 00m
Bangkok Suvarnabhumi
Mon 8/17
3:45 pm-4:14 pm
2 stops38h 29m
$908
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 8/13
3:30 pm-9:35 am
3 stops28h 05m
Bangkok Suvarnabhumi
Tue 8/25
7:00 am-2:24 pm
2 stops21h 24m
$922
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 8/9
7:00 am-9:35 am
3 stops36h 35m
Bangkok Suvarnabhumi
Thu 8/20
7:00 am-11:26 pm
2 stops30h 26m
$922
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/17
1:22 pm-9:35 am
3 stops30h 13m
Bangkok Suvarnabhumi
Thu 8/27
3:45 pm-12:20 pm
3 stops34h 35m
$930
Showing 1-10 of 44 resultsSorted by cheapest first
Best time to book a flight from Seattle to Bangkok
Have a flexible travel schedule? Discover the best time to fly to Bangkok from Seattle with our price prediction graph.
SEA-TH1
SEA-BKK
SEA-DMK
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Bangkok
SEA-TH1
SEA-BKK
SEA-DMK
What is the cheapest month to book a flight from Seattle to Bangkok?
Currently, April is the cheapest month in which you can book a flight from Seattle to Bangkok (average of $140). Flying from Seattle to Bangkok in December is currently the most expensive (average of $2,908). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Seattle to Bangkok?
How far ahead should I book a flight from Seattle to Bangkok?
To ensure you get the cheapest price possible for a flight from Seattle to Bangkok, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Bangkok
Get insights into the airlines that provide service to Bangkok. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bangkok. Reviews last updated July 12, 2026.
Read reviews from past customers who have flown STARLUX Airlines,EVA Air, andChina Airlines from Seattle to Bangkok. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.8
Comfort
8.9
Crew
9.1
Boarding
8.9
Food
8.6
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.8
Comfort
8.9
Crew
9.1
Boarding
8.9
Food
8.6
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.8
Comfort
8.9
Crew
9.1
Boarding
8.9
Food
8.6
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.8
Comfort
8.9
Crew
9.1
Boarding
8.9
Food
8.6
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.8
Comfort
8.9
Crew
9.1
Boarding
8.9
Food
8.6
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Entertainment
8.8
Comfort
8.9
Crew
9.1
Boarding
8.9
Food
8.6
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Related info for your journey
Find useful and relevant information for your journey from Seattle to Bangkok. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
Alternative routes for Seattle to Bangkok
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Bangkok by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Bangkok by cabin class
Find flights from Seattle to Bangkok, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Bangkok flights
Browse other Seattle and Bangkok flight options. Last updated on July 12, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on July 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from Seattle to Bangkok
Discover the top 10 airlines that operate flights from Seattle to Bangkok. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$675 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$385 | Average$686 | FlexibilityNo cancel fee | On-time61% | |
| Cheapest$510 | Average$664 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$623 | Average$688 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$623 | Average$1,373 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$652 | Average$737 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$680 | Average$886 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$688 | Average$868 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$697 | Average$1,084 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$705 | Average$880 | FlexibilityNo cancel fee | On-time72% |