$272+ Cheap flights from Seattle (SEA) to Thailand
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Mar 13 — Mar 201
1 adult, Economy
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Cheapest flights from Seattle to ThailandExplore the most affordable flight options available from Seattle to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
Explore the most affordable flight options available from Seattle to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
This FlightHub deal was found by Cheapflights users on 2/9. 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 4/1410:15 am
SEA
- HKT
1 stop19h 00m
Singapore Airlines
Fri 4/2411:40 am
HKT
- SEA
1 stop35h 05m
Singapore Airlines
Deal found 2/9![Singapore Airlines logo]()
$499
This FlightHub deal was found by Cheapflights users on 2/10. 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.
Sat 5/3010:15 am
SEA
- HKT
1 stop19h 00m
Singapore Airlines
Sat 6/139:55 am
HKT
- SEA
1 stop36h 50m
Singapore Airlines
Deal found 2/10![Singapore Airlines logo]()
$532
This Trip.com deal was found by Cheapflights users on 2/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:10 pm
SEA
- BKK
1 stop29h 20m
Philippine Airlines
Tue 9/151:25 pm
BKK
- SEA
1 stop20h 40m
Philippine Airlines
Deal found 2/7![Philippine Airlines logo]()
$645
This oojo deal was found by Cheapflights users on 2/9. 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.
Wed 10/711:10 pm
SEA
- BKK
1 stop33h 30m
Philippine Airlines
Wed 10/141:25 pm
BKK
- SEA
1 stop20h 40m
Philippine Airlines
Deal found 2/9![Philippine Airlines logo]()
$647
This oojo deal was found by Cheapflights users on 2/11. 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
Mon 5/111:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 2/11![Asiana Airlines logo]()
$648
This oojo deal was found by Cheapflights users on 2/11. 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 2/1512:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Mon 3/912:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Deal found 2/11![Asiana Airlines logo]()
$649
This FlightHub deal was found by Cheapflights users on 2/10. 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 4/1910:15 am
SEA
- BKK
1 stop36h 05m
Singapore Airlines
Sat 5/98:35 pm
BKK
- SEA
1 stop26h 10m
Singapore Airlines
Deal found 2/10![Singapore Airlines logo]()
$652
This FlightHub deal was found by Cheapflights users on 2/9. 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 4/2110:15 am
SEA
- BKK
1 stop31h 50m
Singapore Airlines
Tue 5/58:15 pm
BKK
- SEA
1 stop50h 30m
Singapore Airlines
Deal found 2/9![Singapore Airlines logo]()
$653
This FlightHub deal was found by Cheapflights users on 2/10. 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.
Tue 4/2110:15 am
SEA
- HKT
1 stop40h 55m
Singapore Airlines
Tue 4/288:10 pm
HKT
- SEA
1 stop50h 35m
Singapore Airlines
Deal found 2/10![Singapore Airlines logo]()
$654
This Gurufare deal was found by Cheapflights users on 2/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:15 am
SEA
- BKK
1 stop36h 05m
Multiple Airlines
Tue 4/283:30 pm
BKK
- SEA
2 stops31h 59m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$657
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Mon 2/1612:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Sun 3/811:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 2/9![Asiana Airlines logo]()
$658
This Gotogate deal was found by Cheapflights users on 2/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Mon 8/101:20 am
BKK
- SEA
1 stop28h 05m
Asiana Airlines
Deal found 2/8![Asiana Airlines logo]()
$659
Best flights from Seattle to ThailandDiscover carefully curated flight deals from Seattle to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
Discover carefully curated flight deals from Seattle to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
This KAYAK deal was found by Cheapflights users on 2/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:45 am
SEA
- HKT
1 stop33h 05m
Cathay Pacific
Mon 4/2711:50 am
HKT
- SEA
1 stop36h 15m
Cathay Pacific
Deal found 2/9![Cathay Pacific logo]()
$704
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Sun 4/1910:15 am
SEA
- CNX
1 stop40h 20m
Singapore Airlines
Wed 4/2911:15 am
CNX
- SEA
1 stop35h 30m
Singapore Airlines
Deal found 2/9![Singapore Airlines logo]()
$705
This Delta deal was found by Cheapflights users on 2/10. 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.
Sun 4/261:00 pm
SEA
- BKK
1 stop20h 40m
Delta
Wed 5/69:40 pm
BKK
- SEA
1 stop29h 31m
Delta
Deal found 2/10![Delta logo]()
$747
This Korean Air deal was found by Cheapflights users on 2/8. 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 5/512:50 pm
SEA
- BKK
1 stop18h 55m
Korean Air
Wed 6/39:40 pm
BKK
- SEA
1 stop27h 20m
Korean Air
Deal found 2/8![Korean Air logo]()
$750
This Trip.com deal was found by Cheapflights users on 2/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/712:10 am
SEA
- KBV
2 stops27h 25m
Multiple Airlines
Sun 3/158:25 am
KBV
- SEA
2 stops44h 30m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$785
This FlightHub deal was found by Cheapflights users on 2/10. 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.
Thu 3/511:30 pm
SEA
- KBV
2 stops30h 45m
EVA Air
Thu 3/129:50 am
KBV
- SEA
2 stops22h 40m
EVA Air
Deal found 2/10![EVA Air logo]()
$871
This China Airlines deal was found by Cheapflights users on 2/9. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:10 am
SEA
- CNX
1 stop19h 15m
China Airlines
Thu 4/911:20 am
CNX
- SEA
1 stop21h 55m
China Airlines
Deal found 2/9![China Airlines logo]()
$882
This Delta deal was found by Cheapflights users on 2/10. 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.
Sun 4/261:00 pm
SEA
- BKK
1 stop20h 40m
Delta
Fri 5/89:40 pm
BKK
- SEA
1 stop29h 31m
Delta
Deal found 2/10![Delta logo]()
$747
This Korean Air deal was found by Cheapflights users on 2/9. 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.
Wed 7/291:20 pm
SEA
- BKK
1 stop20h 15m
Korean Air
Tue 8/112:35 am
BKK
- SEA
1 stop22h 25m
Korean Air
Deal found 2/9![Korean Air logo]()
$751
This Trip.com deal was found by Cheapflights users on 2/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:05 am
SEA
- KBV
2 stops43h 05m
Multiple Airlines
Thu 4/28:40 pm
KBV
- SEA
2 stops50h 20m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$789
This Korean Air deal was found by Cheapflights users on 2/10. 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.
Fri 5/112:50 pm
SEA
- BKK
1 stop20h 45m
Korean Air
Thu 5/79:40 pm
BKK
- SEA
1 stop27h 00m
Korean Air
Deal found 2/10![Korean Air logo]()
$751
This China Airlines deal was found by Cheapflights users on 2/11. 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.
Sun 2/2212:10 am
SEA
- CNX
1 stop19h 15m
China Airlines
Sat 3/711:25 am
CNX
- SEA
1 stop21h 45m
China Airlines
Deal found 2/11![China Airlines logo]()
$903
This Korean Air deal was found by Cheapflights users on 2/9. 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.
Wed 7/81:20 pm
SEA
- BKK
1 stop21h 45m
Korean Air
Wed 8/192:35 am
BKK
- SEA
1 stop22h 25m
Korean Air
Deal found 2/9![Korean Air logo]()
$751
This FlightHub deal was found by Cheapflights users on 2/7. 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.
Sat 2/2812:10 am
SEA
- KBV
2 stops41h 55m
EVA Air
Wed 4/159:25 am
KBV
- SEA
2 stops48h 05m
EVA Air
Deal found 2/7![EVA Air logo]()
$921
This Trip.com deal was found by Cheapflights users on 2/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/112:10 am
SEA
- KBV
2 stops29h 00m
Multiple Airlines
Mon 3/99:00 am
KBV
- SEA
2 stops24h 10m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$856
This Korean Air deal was found by Cheapflights users on 2/8. 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.
Sun 5/37:59 pm
SEA
- BKK
2 stops37h 36m
Korean Air
Wed 5/272:35 am
BKK
- SEA
1 stop22h 05m
Korean Air
Deal found 2/8![Korean Air logo]()
$755
This China Airlines deal was found by Cheapflights users on 2/11. 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.
Sun 5/171:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Sat 6/611:20 am
CNX
- SEA
1 stop21h 55m
China Airlines
Deal found 2/11![China Airlines logo]()
$916
This FlightHub deal was found by Cheapflights users on 2/10. 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.
Mon 3/91:10 am
SEA
- USM
2 stops25h 50m
EVA Air
Tue 3/177:15 am
USM
- SEA
2 stops25h 55m
EVA Air
Deal found 2/10![EVA Air logo]()
$943
This Mytrip deal was found by Cheapflights users on 2/10. 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 4/2410:15 am
SEA
- DMK
2 stops22h 15m
Multiple Airlines
Fri 5/86:20 pm
DMK
- SEA
2 stops28h 25m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$892
This Korean Air deal was found by Cheapflights users on 2/10. 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.
Sat 2/216:05 pm
SEA
- BKK
2 stops39h 50m
Korean Air
Tue 3/311:15 pm
BKK
- SEA
1 stop24h 45m
Korean Air
Deal found 2/10![Korean Air logo]()
$756
This FlightHub deal was found by Cheapflights users on 2/8. 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.
Sat 3/712:10 am
SEA
- KBV
2 stops30h 05m
EVA Air
Sun 3/1510:00 pm
KBV
- SEA
2 stops35h 10m
EVA Air
Deal found 2/8![EVA Air logo]()
$947
This Mytrip deal was found by Cheapflights users on 2/11. 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 4/2812:55 am
SEA
- DMK
2 stops31h 50m
Multiple Airlines
Tue 5/126:40 am
DMK
- SEA
2 stops22h 15m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$897
This Ovago deal was found by Cheapflights users on 2/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:45 am
SEA
- USM
1 stop32h 00m
Singapore Airlines
Fri 4/38:40 am
USM
- SEA
1 stop38h 05m
Singapore Airlines
Deal found 2/10![Singapore Airlines logo]()
$1,211
This Korean Air deal was found by Cheapflights users on 2/8. 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.
Fri 7/104:15 pm
SEA
- BKK
2 stops42h 50m
Korean Air
Mon 8/102:35 am
BKK
- SEA
1 stop22h 15m
Korean Air
Deal found 2/8![Korean Air logo]()
$756
This EVA Air deal was found by Cheapflights users on 2/7. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/712:10 am
SEA
- KBV
2 stops41h 55m
EVA Air
Wed 3/1110:00 pm
KBV
- SEA
2 stops34h 30m
EVA Air
Deal found 2/7![EVA Air logo]()
$975
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/3011:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Mon 5/183:30 pm
DMK
- SEA
2 stops42h 35m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$918
This Korean Air deal was found by Cheapflights users on 2/9. 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 2/2411:00 am
SEA
- BKK
1 stop22h 45m
Korean Air
Wed 3/411:15 pm
BKK
- SEA
2 stops30h 29m
Korean Air
Deal found 2/9![Korean Air logo]()
$762
This Korean Air deal was found by Cheapflights users on 2/8. 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.
Fri 3/611:00 am
SEA
- BKK
1 stop22h 55m
Korean Air
Thu 3/122:05 am
BKK
- SEA
2 stops33h 41m
Korean Air
Deal found 2/8![Korean Air logo]()
$762
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Sun 5/1011:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Sat 5/233:30 pm
DMK
- SEA
2 stops42h 00m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$924
This Gotogate deal was found by Cheapflights users on 2/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:45 am
SEA
- USM
2 stops24h 55m
Multiple Airlines
Wed 3/189:00 am
USM
- SEA
2 stops21h 05m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$947
Last-minute flights from Seattle to ThailandDiscover last-minute flight deals from Seattle to Thailand. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thailand. Data last updated February 11, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 2/11. 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 2/1512:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Mon 3/912:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Deal found 2/11![Asiana Airlines logo]()
$649
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Mon 2/1612:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Sun 3/811:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 2/9![Asiana Airlines logo]()
$658
This oojo deal was found by Cheapflights users on 2/9. 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.
Mon 2/1612:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Tue 2/2411:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 2/9![Asiana Airlines logo]()
$676
This Mytrip deal was found by Cheapflights users on 2/9. 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.
Mon 2/1612:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Wed 2/2512:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Deal found 2/9![Asiana Airlines logo]()
$682
This Flightnetwork deal was found by Cheapflights users on 2/10. 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.
Sat 2/2112:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Tue 3/1011:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 2/10![Asiana Airlines logo]()
$668
This oojo deal was found by Cheapflights users on 2/9. 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 3/112:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Tue 3/1011:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 2/9![Asiana Airlines logo]()
$648
This CrystalTravel deal was found by Cheapflights users on 2/9. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:10 am
SEA
- CNX
1 stop19h 15m
China Airlines
Thu 3/1211:25 am
CNX
- SEA
1 stop21h 45m
China Airlines
Deal found 2/9![China Airlines logo]()
$744
This Gotogate deal was found by Cheapflights users on 2/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:10 am
SEA
- BKK
1 stop21h 05m
Asiana Airlines
Mon 3/1612:20 pm
BKK
- SEA
1 stop16h 35m
Asiana Airlines
Deal found 2/9![Asiana Airlines logo]()
$678
This Trip.com deal was found by Cheapflights users on 2/10. 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.
Mon 3/912:10 am
SEA
- BKK
1 stop21h 05m
Asiana Airlines
Sat 3/2111:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 2/10![Asiana Airlines logo]()
$695
This oojo deal was found by Cheapflights users on 2/10. 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 3/2411:00 am
SEA
- BKK
1 stop22h 25m
Hainan Airlines
Fri 4/312:40 am
BKK
- SEA
1 stop22h 20m
Hainan Airlines
Deal found 2/10![Hainan Airlines logo]()
$687
This Gurufare deal was found by Cheapflights users on 2/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:45 am
SEA
- BKK
1 stop20h 15m
Multiple Airlines
Tue 4/283:30 pm
BKK
- SEA
2 stops31h 59m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$686
This oojo deal was found by Cheapflights users on 2/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2811:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Fri 4/312:40 am
BKK
- SEA
1 stop22h 20m
Hainan Airlines
Deal found 2/8![Hainan Airlines logo]()
$689
One-way flights from Seattle to ThailandSearch for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
This FlightHub deal was found by Cheapflights users on 2/10. 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.
Thu 4/3010:15 am
SEA
- HKT
1 stop40h 55m
Singapore Airlines
Deal found 2/10![Singapore Airlines logo]()
$272
This Gurufare deal was found by Cheapflights users on 2/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:45 am
SEA
- HKT
1 stop41h 25m
Singapore Airlines
Deal found 2/9![Singapore Airlines logo]()
$317
This Singapore Airlines deal was found by Cheapflights users on 2/11. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:15 am
SEA
- BKK
1 stop19h 45m
Singapore Airlines
Deal found 2/11![Singapore Airlines logo]()
$325
This oojo deal was found by Cheapflights users on 2/10. 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 2/179:30 pm
SEA
- BKK
1 stop34h 30m
Philippine Airlines
Deal found 2/10![Philippine Airlines logo]()
$326
This oojo deal was found by Cheapflights users on 2/10. 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 6/210:15 am
SEA
- BKK
1 stop31h 50m
Singapore Airlines
Deal found 2/10![Singapore Airlines logo]()
$331
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Fri 4/310:15 am
SEA
- HKT
1 stop40h 55m
Singapore Airlines
Deal found 2/9![Singapore Airlines logo]()
$331
This Gurufare deal was found by Cheapflights users on 2/8. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/310:15 am
SEA
- BKK
1 stop42h 45m
Singapore Airlines
Deal found 2/8![Singapore Airlines logo]()
$336
This SmartFares deal was found by Cheapflights users on 2/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:05 am
SEA
- BKK
1 stop33h 35m
Hainan Airlines
Deal found 2/9![Hainan Airlines logo]()
$339
This FlightHub deal was found by Cheapflights users on 2/9. 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 2/248:45 am
SEA
- BKK
1 stop41h 15m
Singapore Airlines
Deal found 2/9![Singapore Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/199:30 pm
SEA
- BKK
1 stop34h 30m
Philippine Airlines
Deal found 2/10![Philippine Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 3/1711:00 am
SEA
- BKK
1 stop37h 20m
Hainan Airlines
Deal found 2/7![Hainan Airlines logo]()
$348
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Thu 4/211:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Deal found 2/9![Philippine Airlines logo]()
$349
Find flight deals from Seattle to Thailand
Keep the following information in mind while searching for Seattle to Thailand flight deals. Data was last updated February 11, 2026.
Round-trip from | $499 (FlightHub) |
|---|---|
One-way from | $272 (FlightHub) |
Popular in | December |
Cheapest in | September |
Average price | $767 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Thailand that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Seattle to Thailand that are best for you.
Fly from
Seattle
Fly to
Thailand
Route
Depart
Return
Price
SeattlePhuket City
SEA - HKT
SEAHKT
Seattle/Tacoma Intl
Wed 4/22
11:45 am-10:50 am
1 stop33h 05m
Phuket City
Mon 4/27
11:50 am-10:05 am
1 stop36h 15m
$704
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Sun 4/19
10:15 am-4:35 pm
1 stop40h 20m
Chiang Mai
Wed 4/29
11:15 am-8:45 am
1 stop35h 30m
$705
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 4/26
1:00 pm-11:40 pm
1 stop20h 40m
Bangkok Suvarnabhumi
Wed 5/6
9:40 pm-1:11 pm
1 stop29h 31m
$747
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 4/26
1:00 pm-11:40 pm
1 stop20h 40m
Bangkok Suvarnabhumi
Fri 5/8
9:40 pm-1:11 pm
1 stop29h 31m
$747
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 5/5
12:50 pm-9:45 pm
1 stop18h 55m
Bangkok Suvarnabhumi
Wed 6/3
9:40 pm-11:00 am
1 stop27h 20m
$750
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 7/29
1:20 pm-11:35 pm
1 stop20h 15m
Bangkok Suvarnabhumi
Tue 8/11
2:35 am-11:00 am
1 stop22h 25m
$751
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 5/1
12:50 pm-11:35 pm
1 stop20h 45m
Bangkok Suvarnabhumi
Thu 5/7
9:40 pm-10:40 am
1 stop27h 00m
$751
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 7/8
1:20 pm-1:05 am
1 stop21h 45m
Bangkok Suvarnabhumi
Wed 8/19
2:35 am-11:00 am
1 stop22h 25m
$751
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 5/3
7:59 pm-11:35 pm
2 stops37h 36m
Bangkok Suvarnabhumi
Wed 5/27
2:35 am-10:40 am
1 stop22h 05m
$755
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 2/21
6:05 pm-12:55 am
2 stops39h 50m
Bangkok Suvarnabhumi
Tue 3/3
11:15 pm-9:00 am
1 stop24h 45m
$756
Showing 1-10 of 60 results
Best time to book a flight from Seattle to Thailand
Have a flexible travel schedule? Discover the best time to fly to Thailand from Seattle with our price prediction graph.
SEA-HKT
SEA-CNX
SEA-BKK
SEA-KBV
SEA-USM
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Thailand
SEA-TH0
SEA-HKT
SEA-CNX
SEA-BKK
SEA-KBV
What is the cheapest month to book a flight from Seattle to Thailand?
Currently, May is the cheapest month in which you can book a flight from Seattle to Thailand (average of $500). Flying from Seattle to Thailand in June is currently the most expensive (average of $704). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to TH?
Find hourly flight availability from Seattle to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 11, 2026.
One of the essential ways to save on airfare from Seattle to Thailand is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 33% on airfare.
What is the cheapest day to fly from Seattle to Thailand?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Thailand. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Seattle to Thailand flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Thailand
Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated February 11, 2026.
Read through reviews of airlines operating flights from Seattle to Thailand, such as STARLUX Airlines, EVA Air, and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Boarding
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Boarding
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Boarding
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Boarding
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Boarding
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Crew
9.2
Comfort
8.9
Food
8.7
Overall
8.9
Entertainment
8.8
Boarding
8.9
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 February 11, 2026.
Popular flight searches
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Seattle to Thailand flights
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Consider these flights traveling to Thailand regions.
Top 10 airlines flying from Seattle to Thailand
Discover the top 10 airlines that operate flights from Seattle to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$700 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$418 | Average$832 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$510 | Average$927 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$544 | Average$940 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$626 | Average$800 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$683 | Average$881 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$700 | Average$907 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$730 | Average$819 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$735 | Average$882 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$740 | Average$853 | FlexibilityNo cancel fee | On-timeN/A |