$271+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Apr 14 — Apr 211
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 March 15, 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 March 15, 2026.
This oojo deal was found by Cheapflights users on 3/14. 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.
Fri 9/1810:15 am
SEA
- HKT
1 stop19h 00m
Singapore Airlines
Sat 9/2611:40 am
HKT
- SEA
1 stop35h 05m
Singapore Airlines
Deal found 3/14![Singapore Airlines logo]()
$508
This FlightHub deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:15 am
SEA
- HKT
1 stop32h 20m
Singapore Airlines
Thu 9/108:10 pm
HKT
- SEA
1 stop26h 35m
Singapore Airlines
Deal found 3/12![Singapore Airlines logo]()
$510
This FlightHub deal was found by Cheapflights users on 3/11. 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.
Thu 10/1510:15 am
SEA
- HKT
1 stop37h 00m
Singapore Airlines
Sat 10/318:15 pm
HKT
- SEA
1 stop25h 55m
Singapore Airlines
Deal found 3/11![Singapore Airlines logo]()
$608
This oojo deal was found by Cheapflights users on 3/11. 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 10/810:15 am
SEA
- BKK
1 stop19h 45m
Singapore Airlines
Fri 10/301:35 pm
BKK
- SEA
1 stop32h 35m
Singapore Airlines
Deal found 3/11![Singapore Airlines logo]()
$617
This Mytrip deal was found by Cheapflights users on 3/13. 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.
Fri 4/2412:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Sun 5/101:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 3/13![Asiana Airlines logo]()
$621
This oojo deal was found by Cheapflights users on 3/11. 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.
Wed 9/3011:10 pm
SEA
- BKK
1 stop33h 30m
Philippine Airlines
Wed 10/71:25 pm
BKK
- SEA
1 stop20h 40m
Philippine Airlines
Deal found 3/11![Philippine Airlines logo]()
$622
This oojo deal was found by Cheapflights users on 3/11. 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 9/311:10 pm
SEA
- BKK
1 stop33h 30m
Philippine Airlines
Sun 9/201:25 pm
BKK
- SEA
1 stop20h 40m
Philippine Airlines
Deal found 3/11![Philippine Airlines logo]()
$623
This oojo deal was found by Cheapflights users on 3/11. 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 10/210:15 am
SEA
- BKK
1 stop38h 10m
Singapore Airlines
Fri 10/169:15 pm
BKK
- SEA
1 stop25h 30m
Singapore Airlines
Deal found 3/11![Singapore Airlines logo]()
$639
This KAYAK deal was found by Cheapflights users on 3/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:10 pm
SEA
- BKK
1 stop33h 30m
Philippine Airlines
Sun 9/131:25 pm
BKK
- SEA
1 stop20h 40m
Philippine Airlines
Deal found 3/10![Philippine Airlines logo]()
$644
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Sun 11/2911:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 3/10![Asiana Airlines logo]()
$646
This oojo deal was found by Cheapflights users on 3/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:15 am
SEA
- BKK
1 stop31h 50m
Singapore Airlines
Fri 11/133:50 pm
BKK
- SEA
1 stop30h 20m
Singapore Airlines
Deal found 3/10![Singapore Airlines logo]()
$647
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:55 am
SEA
- BKK
1 stop19h 45m
Asiana Airlines
Sat 6/201:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 3/10![Asiana Airlines logo]()
$651
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 March 15, 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 March 15, 2026.
This Philippine Airlines deal was found by Cheapflights users on 3/10. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:10 pm
SEA
- BKK
1 stop29h 20m
Philippine Airlines
Mon 9/147:30 pm
BKK
- SEA
1 stop38h 35m
Philippine Airlines
Deal found 3/10![Philippine Airlines logo]()
$684
This Korean Air deal was found by Cheapflights users on 3/14. 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.
Wed 4/2912:50 pm
SEA
- BKK
1 stop18h 55m
Korean Air
Wed 5/209:50 am
BKK
- SEA
2 stops24h 40m
Korean Air
Deal found 3/14![Korean Air logo]()
$820
This Cathay Pacific deal was found by Cheapflights users on 3/10. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:25 pm
SEA
- BKK
1 stop38h 05m
Cathay Pacific
Mon 9/147:35 am
BKK
- SEA
2 stops25h 30m
Cathay Pacific
Deal found 3/10![Cathay Pacific logo]()
$843
This CrystalTravel deal was found by Cheapflights users on 3/10. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:30 am
SEA
- CNX
2 stops23h 15m
EVA Air
Wed 5/208:00 pm
CNX
- SEA
2 stops37h 30m
EVA Air
Deal found 3/10![EVA Air logo]()
$919
This Trip.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:15 am
SEA
- KBV
2 stops41h 10m
Multiple Airlines
Sun 5/38:40 pm
KBV
- SEA
2 stops57h 30m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$924
This Asiana Airlines deal was found by Cheapflights users on 3/11. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:55 am
SEA
- HKT
1 stop30h 20m
Asiana Airlines
Wed 4/2210:25 pm
HKT
- SEA
1 stop30h 30m
Asiana Airlines
Deal found 3/11![Asiana Airlines logo]()
$960
This Delta deal was found by Cheapflights users on 3/14. 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.
Sun 8/29:25 pm
SEA
- BKK
2 stops36h 10m
Delta
Thu 8/209:50 am
BKK
- SEA
2 stops26h 01m
Delta
Deal found 3/14![Delta logo]()
$978
This China Airlines deal was found by Cheapflights users on 3/10. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/261:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Sun 5/1711:20 am
CNX
- SEA
1 stop21h 55m
China Airlines
Deal found 3/10![China Airlines logo]()
$995
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/238:42 am
SEA
- BKK
2 stops34h 53m
United Airlines
Fri 5/13:45 pm
BKK
- SEA
3 stops40h 45m
United Airlines
Deal found 3/11![United Airlines logo]()
$1,019
This IEagle deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:15 pm
SEA
- KBV
1 stop36h 20m
Emirates
Tue 5/510:45 pm
KBV
- SEA
1 stop28h 40m
Emirates
Deal found 3/14![Emirates logo]()
$1,325
This Korean Air deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:20 am
SEA
- BKK
2 stops27h 45m
Korean Air
Mon 9/149:50 am
BKK
- SEA
1 stop38h 50m
Korean Air
Deal found 3/13![Korean Air logo]()
$827
This Korean Air deal was found by Cheapflights users on 3/10. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:20 am
SEA
- BKK
2 stops40h 15m
Korean Air
Mon 8/319:40 pm
BKK
- SEA
2 stops31h 44m
Korean Air
Deal found 3/10![Korean Air logo]()
$848
This SmartFares deal was found by Cheapflights users on 3/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:30 am
SEA
- KBV
2 stops41h 15m
EVA Air
Tue 5/59:25 am
KBV
- SEA
2 stops24h 05m
EVA Air
Deal found 3/14![EVA Air logo]()
$934
This China Airlines deal was found by Cheapflights users on 3/10. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Sun 5/1711:20 am
CNX
- SEA
1 stop21h 55m
China Airlines
Deal found 3/10![China Airlines logo]()
$995
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 4/2911:35 am
SEA
- BKK
2 stops32h 00m
United Airlines
Thu 5/283:45 pm
BKK
- SEA
2 stops23h 44m
United Airlines
Deal found 3/10![United Airlines logo]()
$1,023
This Asiana Airlines deal was found by Cheapflights users on 3/14. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1912:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Thu 8/2011:45 am
BKK
- SEA
1 stop17h 40m
Asiana Airlines
Deal found 3/14![Asiana Airlines logo]()
$1,025
This KAYAK deal was found by Cheapflights users on 3/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:30 am
SEA
- CNX
2 stops44h 45m
EVA Air
Mon 5/188:00 pm
CNX
- SEA
2 stops36h 50m
EVA Air
Deal found 3/14![EVA Air logo]()
$948
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:55 am
SEA
- KBV
2 stops29h 15m
Multiple Airlines
Fri 5/19:00 am
KBV
- SEA
2 stops25h 05m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$1,056
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:20 am
SEA
- BKK
2 stops27h 45m
Delta
Sat 8/1511:30 pm
BKK
- SEA
2 stops36h 21m
Delta
Deal found 3/10![Delta logo]()
$1,083
This China Airlines deal was found by Cheapflights users on 3/11. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Sun 5/1711:20 am
CNX
- SEA
1 stop21h 55m
China Airlines
Deal found 3/11![China Airlines logo]()
$995
This Qatar Airways deal was found by Cheapflights users on 3/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2211:40 am
SEA
- UTP
3 stops37h 45m
Qatar Airways
Fri 5/294:00 pm
UTP
- SEA
3 stops66h 59m
Qatar Airways
Deal found 3/10![Qatar Airways logo]()
$2,251
This Korean Air deal was found by Cheapflights users on 3/14. 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.
Sat 4/1812:50 pm
SEA
- HKT
1 stop19h 20m
Korean Air
Wed 4/2211:25 pm
HKT
- SEA
1 stop25h 15m
Korean Air
Deal found 3/14![Korean Air logo]()
$949
This FlightHub deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:10 am
SEA
- KBV
2 stops28h 35m
Multiple Airlines
Tue 4/289:25 am
KBV
- SEA
2 stops23h 25m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$1,056
This KAYAK deal was found by Cheapflights users on 3/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:30 am
SEA
- CNX
1 stop19h 55m
EVA Air
Fri 5/2211:35 am
CNX
- SEA
1 stop21h 55m
EVA Air
Deal found 3/10![EVA Air logo]()
$986
This Ovago deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:51 pm
SEA
- USM
2 stops33h 49m
Cathay Pacific
Wed 4/2911:55 am
USM
- SEA
1 stop36h 10m
Cathay Pacific
Deal found 3/12![Cathay Pacific logo]()
$1,277
This Korean Air deal was found by Cheapflights users on 3/14. 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.
Wed 4/1512:50 pm
SEA
- HKT
1 stop19h 20m
Korean Air
Sun 5/311:25 pm
HKT
- SEA
2 stops31h 51m
Korean Air
Deal found 3/14![Korean Air logo]()
$960
This oojo deal was found by Cheapflights users on 3/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:15 am
SEA
- USM
2 stops29h 35m
Multiple Airlines
Wed 4/298:45 am
USM
- SEA
2 stops21h 25m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$1,073
This KAYAK deal was found by Cheapflights users on 3/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:30 am
SEA
- CNX
2 stops22h 15m
EVA Air
Wed 5/202:35 pm
CNX
- SEA
2 stops42h 55m
EVA Air
Deal found 3/14![EVA Air logo]()
$988
This Emirates deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:15 pm
SEA
- KBV
2 stops49h 30m
Emirates
Mon 5/49:25 am
KBV
- SEA
2 stops42h 00m
Emirates
Deal found 3/12![Emirates logo]()
$1,421
This FlightHub deal was found by Cheapflights users on 3/11. 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.
Sat 4/47:51 pm
SEA
- USM
2 stops33h 49m
Cathay Pacific
Sun 4/1911:55 am
USM
- SEA
2 stops48h 47m
Cathay Pacific
Deal found 3/11![Cathay Pacific logo]()
$1,303
Last-minute flights from Seattle to ThailandDiscover last-minute flight deals from Seattle to Thailand. Data last updated March 15, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thailand. Data last updated March 15, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 3/14. 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 4/1412:55 am
SEA
- HKT
1 stop30h 45m
Asiana Airlines
Sun 5/310:25 pm
HKT
- SEA
1 stop30h 30m
Asiana Airlines
Deal found 3/14![Asiana Airlines logo]()
$751
This oojo deal was found by Cheapflights users on 3/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Sun 5/101:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 3/10![Asiana Airlines logo]()
$653
This Mytrip deal was found by Cheapflights users on 3/13. 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.
Fri 4/2412:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Sun 5/101:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 3/13![Asiana Airlines logo]()
$621
This Gotogate deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2412:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Sat 5/91:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 3/13![Asiana Airlines logo]()
$661
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub 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
Wed 5/201:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 3/10![Asiana Airlines logo]()
$658
This oojo deal was found by Cheapflights users on 3/11. 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.
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 3/11![Asiana Airlines logo]()
$665
This Trip.com deal was found by Cheapflights users on 3/10. 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 4/2610:15 am
SEA
- BKK
1 stop19h 45m
Multiple Airlines
Wed 5/2011:20 am
BKK
- SEA
1 stop35h 45m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$677
This oojo deal was found by Cheapflights users on 3/14. 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 4/261:15 am
SEA
- CNX
1 stop25h 05m
STARLUX Airlines
Tue 5/195:20 pm
CNX
- SEA
1 stop36h 50m
STARLUX Airlines
Deal found 3/14![STARLUX Airlines logo]()
$806
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/261:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Thu 5/2111:35 am
CNX
- SEA
1 stop21h 55m
EVA Air
Deal found 3/10![EVA Air logo]()
$815
This Gotogate deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate 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
Fri 5/1511:45 am
BKK
- SEA
1 stop17h 10m
Asiana Airlines
Deal found 3/12![Asiana Airlines logo]()
$669
This Asiana Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:55 am
SEA
- HKT
1 stop30h 20m
Asiana Airlines
Mon 5/1810:25 pm
HKT
- SEA
1 stop30h 30m
Asiana Airlines
Deal found 3/12![Asiana Airlines logo]()
$801
This Justfly.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Tue 5/1911:35 am
CNX
- SEA
1 stop21h 55m
EVA Air
Deal found 3/12![EVA Air logo]()
$816
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 March 15, 2026.
Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
This FlightHub deal was found by Cheapflights users on 3/11. 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.
Sat 5/210:15 am
SEA
- HKT
1 stop19h 00m
Singapore Airlines
Deal found 3/11![Singapore Airlines logo]()
$271
This oojo deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:15 am
SEA
- HKT
1 stop19h 00m
Singapore Airlines
Deal found 3/12![Singapore Airlines logo]()
$298
This oojo deal was found by Cheapflights users on 3/11. 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 4/3010:15 am
SEA
- HKT
1 stop34h 35m
Singapore Airlines
Deal found 3/11![Singapore Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.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 stop29h 20m
Philippine Airlines
Deal found 3/10![Philippine Airlines logo]()
$343
This Trip.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:15 am
SEA
- BKK
1 stop41h 00m
Singapore Airlines
Deal found 3/12![Singapore Airlines logo]()
$344
This KAYAK deal was found by Cheapflights users on 3/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:10 pm
SEA
- BKK
1 stop33h 30m
Philippine Airlines
Deal found 3/13![Philippine Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:05 am
SEA
- BKK
1 stop33h 30m
Hainan Airlines
Deal found 3/10![Hainan Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Wed 4/2210:57 am
SEA
- BKK
2 stops44h 13m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$349
This Trip.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:15 am
SEA
- DMK
1 stop23h 00m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$354
This oojo deal was found by Cheapflights users on 3/10. 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 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
Deal found 3/10![Asiana Airlines logo]()
$355
This SmartFares deal was found by Cheapflights users on 3/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:00 am
SEA
- BKK
1 stop35h 20m
Hainan Airlines
Deal found 3/11![Hainan Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Fri 8/712:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Deal found 3/13![Asiana Airlines logo]()
$361
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 March 15, 2026.
Round-trip from | $510 (FlightHub) |
|---|---|
One-way from | $271 (FlightHub) |
Popular in | June |
Cheapest in | September |
Average price | $755 |
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 March 15, 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
Thu 9/10
11:10 pm-6:30 pm
1 stop29h 20m
Bangkok Suvarnabhumi
Mon 9/14
7:30 pm-8:05 pm
1 stop38h 35m
$684
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 4/29
12:50 pm-9:45 pm
1 stop18h 55m
Bangkok Suvarnabhumi
Wed 5/20
9:50 am-8:30 pm
2 stops24h 40m
$820
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 9/10
7:20 am-1:05 am
2 stops27h 45m
Bangkok Suvarnabhumi
Mon 9/14
9:50 am-10:40 am
1 stop38h 50m
$827
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 9/10
12:25 pm-4:30 pm
1 stop38h 05m
Bangkok Suvarnabhumi
Mon 9/14
7:35 am-7:05 pm
2 stops25h 30m
$843
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 8/19
7:20 am-1:35 pm
2 stops40h 15m
Bangkok Suvarnabhumi
Mon 8/31
9:40 pm-3:24 pm
2 stops31h 44m
$848
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Sat 4/25
12:30 am-1:45 pm
2 stops23h 15m
Chiang Mai
Wed 5/20
8:00 pm-7:30 pm
2 stops37h 30m
$919
SeattleKrabi
SEA - KBV
SEAKBV
Seattle/Tacoma Intl
Sat 4/25
1:15 am-8:25 am
2 stops41h 10m
Krabi
Sun 5/3
8:40 pm-4:10 pm
2 stops57h 30m
$924
SeattleKrabi
SEA - KBV
SEAKBV
Seattle/Tacoma Intl
Mon 4/27
1:30 am-8:45 am
2 stops41h 15m
Krabi
Tue 5/5
9:25 am-7:30 pm
2 stops24h 05m
$934
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Tue 4/28
12:30 am-11:15 am
2 stops44h 45m
Chiang Mai
Mon 5/18
8:00 pm-6:50 pm
2 stops36h 50m
$948
SeattlePhuket City
SEA - HKT
SEAHKT
Seattle/Tacoma Intl
Sat 4/18
12:50 pm-10:10 pm
1 stop19h 20m
Phuket City
Wed 4/22
11:25 pm-10:40 am
1 stop25h 15m
$949
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-HKT
SEA-CNX
SEA-DMK
SEA-USM
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Thailand
SEA-TH0
SEA-BKK
SEA-HKT
SEA-CNX
SEA-DMK
What is the cheapest month to book a flight from Seattle to Thailand?
Currently, May is the cheapest month in which you can book a flight from Seattle to Thailand (average of $500). Flying from Seattle to Thailand in June is currently the most expensive (average of $724). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to TH?
Find hourly flight availability from Seattle to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 15, 2026.
One of the essential ways to save on airfare from Seattle to Thailand is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 33% on airfare.
What is the cheapest day to fly from Seattle to Thailand?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Thailand. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Seattle to Thailand flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Thailand
Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated March 15, 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
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Related info for your journey
Find useful and relevant information for your journey from Seattle to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Thailand
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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 March 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Thailand flights
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Fly to Thailand regions
Consider these flights traveling to Thailand regions.
Top 10 airlines flying from Seattle to Thailand
Discover the top 10 airlines that operate flights from Seattle to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$684 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$418 | Average$829 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$509 | Average$911 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$544 | Average$936 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$627 | Average$811 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$681 | Average$862 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$697 | Average$922 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$704 | Average$798 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$719 | Average$817 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$740 | Average$852 | FlexibilityNo cancel fee | On-timeN/A |