$295+ Cheap flights from Seattle (SEA) to Thailand
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Aug 7 — Aug 141
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 July 8, 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 July 8, 2026.
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:15 am
SEA
- HKT
1 stop19h 35m
Singapore Airlines
Fri 10/3010:05 am
HKT
- SEA
1 stop36h 05m
Singapore Airlines
Deal found 7/8![Singapore Airlines logo]()
$670
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am
SEA
- HKT
1 stop37h 55m
Singapore Airlines
Sat 10/318:40 am
HKT
- SEA
1 stop37h 30m
Singapore Airlines
Deal found 7/8![Singapore Airlines logo]()
$681
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.
Sat 10/1010:15 am
SEA
- HKT
1 stop19h 35m
Singapore Airlines
Mon 10/2611:05 am
HKT
- SEA
1 stop35h 05m
Singapore Airlines
Deal found 7/7![Singapore Airlines logo]()
$718
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 oojo deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/1010:15 am
SEA
- HKT
1 stop37h 55m
Singapore Airlines
Wed 9/231:15 pm
HKT
- SEA
1 stop33h 30m
Singapore Airlines
Deal found 7/6![Singapore Airlines logo]()
$770
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 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 Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:45 am
SEA
- BKK
1 stop38h 50m
Singapore Airlines
Thu 11/269:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 7/7![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 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.
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 7/8![Singapore Airlines logo]()
$785
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 July 8, 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 July 8, 2026.
This oojo deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:15 am
SEA
- HKT
1 stop40h 55m
Singapore Airlines
Wed 9/169:20 am
HKT
- SEA
1 stop37h 25m
Singapore Airlines
Deal found 7/3![Singapore Airlines logo]()
$802
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:05 pm
SEA
- BKK
1 stop22h 00m
Delta
Wed 9/239:40 pm
BKK
- SEA
1 stop29h 57m
Delta
Deal found 7/4![Delta logo]()
$865
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 11/311:00 am
SEA
- BKK
1 stop19h 30m
Korean Air
Sun 11/159:30 pm
BKK
- SEA
1 stop26h 30m
Korean Air
Deal found 7/8![Korean Air logo]()
$869
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/234:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Wed 9/233:45 pm
BKK
- SEA
3 stops36h 37m
United Airlines
Deal found 7/4![United Airlines logo]()
$926
This IEagle deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/181:10 am
SEA
- KBV
2 stops41h 35m
EVA Air
Wed 8/269:25 am
KBV
- SEA
2 stops24h 25m
EVA Air
Deal found 7/4![EVA Air logo]()
$1,115
This Singapore Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/1510:15 am
SEA
- USM
1 stop20h 55m
Multiple Airlines
Tue 9/229:00 pm
USM
- SEA
2 stops49h 45m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,194
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.
Wed 8/265:15 pm
SEA
- DMK
1 stop28h 10m
Emirates
Mon 9/711:55 pm
DMK
- SEA
1 stop27h 30m
Emirates
Deal found 7/7![Emirates logo]()
$1,298
This Qatar Airways deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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.
Wed 9/234:25 pm
SEA
- UTP
2 stops34h 25m
Qatar Airways
Sun 9/271:00 pm
UTP
- SEA
2 stops37h 45m
Qatar Airways
Deal found 7/5![Qatar Airways logo]()
$1,422
This Korean Air deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:20 am
SEA
- BKK
2 stops26h 15m
Korean Air
Mon 9/79:40 pm
BKK
- SEA
1 stop27h 00m
Korean Air
Deal found 7/6![Korean Air logo]()
$874
This FlightHub deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 12/28:45 am
SEA
- USM
1 stop41h 25m
Singapore Airlines
Wed 12/97:45 pm
USM
- SEA
1 stop50h 25m
Singapore Airlines
Deal found 7/3![Singapore Airlines logo]()
$901
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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
Sat 10/314:55 pm
BKK
- SEA
2 stops34h 25m
United Airlines
Deal found 7/4![United Airlines logo]()
$934
This Korean Air deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 11/1712:00 pm
SEA
- BKK
2 stops34h 25m
Korean Air
Mon 12/712:55 am
BKK
- SEA
1 stop23h 05m
Korean Air
Deal found 7/6![Korean Air logo]()
$874
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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.
Tue 9/81:00 pm
SEA
- HKT
1 stop19h 10m
Delta
Mon 9/1411:25 pm
HKT
- SEA
1 stop28h 12m
Delta
Deal found 7/4![Delta logo]()
$965
This China Airlines 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:10 am
SEA
- CNX
1 stop19h 15m
China Airlines
Tue 1/1211:25 am
CNX
- SEA
1 stop21h 45m
China Airlines
Deal found 7/8![China Airlines logo]()
$2,082
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:00 pm
SEA
- HKT
1 stop19h 10m
Delta
Mon 9/1411:25 pm
HKT
- SEA
1 stop28h 12m
Delta
Deal found 7/4![Delta logo]()
$965
This Korean Air deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 11/211:00 am
SEA
- CNX
1 stop20h 55m
Korean Air
Thu 11/512:15 am
CNX
- SEA
1 stop23h 45m
Korean Air
Deal found 7/4![Korean Air logo]()
$909
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.
Fri 11/278:45 am
SEA
- USM
1 stop32h 15m
Singapore Airlines
Sun 12/137:45 pm
USM
- SEA
1 stop50h 25m
Singapore Airlines
Deal found 7/8![Singapore Airlines logo]()
$1,025
This EVA Air deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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.
Mon 11/212:10 am
SEA
- KBV
2 stops30h 05m
EVA Air
Thu 11/59:50 am
KBV
- SEA
2 stops22h 40m
EVA Air
Deal found 7/4![EVA Air logo]()
$1,172
This Singapore 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:15 am
SEA
- USM
1 stop31h 30m
Multiple Airlines
Wed 9/166:25 pm
USM
- SEA
2 stops28h 20m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$1,203
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:05 pm
SEA
- BKK
1 stop18h 40m
Delta
Mon 8/109:40 pm
BKK
- SEA
1 stop29h 57m
Delta
Deal found 7/4![Delta logo]()
$995
This Korean Air deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 10/3012:00 pm
SEA
- CNX
1 stop20h 55m
Korean Air
Thu 11/1212:15 am
CNX
- SEA
1 stop23h 45m
Korean Air
Deal found 7/6![Korean Air logo]()
$949
This Emirates deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:15 pm
SEA
- DMK
1 stop27h 55m
Emirates
Tue 1/1910:55 pm
DMK
- SEA
1 stop28h 40m
Emirates
Deal found 7/5![Emirates logo]()
$1,298
This EVA Air deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Sun 9/208:00 pm
CNX
- SEA
2 stops37h 40m
EVA Air
Deal found 7/4![EVA Air logo]()
$1,183
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 Singapore Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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.
Sun 10/259:45 am
SEA
- USM
1 stop32h 15m
Singapore Airlines
Wed 10/286:05 pm
USM
- SEA
1 stop28h 05m
Singapore Airlines
Deal found 7/5![Singapore Airlines logo]()
$1,152
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 8/171:20 pm
SEA
- HKT
1 stop18h 50m
Korean Air
Wed 9/211:25 pm
HKT
- SEA
1 stop25h 15m
Korean Air
Deal found 7/8![Korean Air logo]()
$969
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.
Mon 10/264:50 pm
SEA
- UTP
2 stops34h 00m
Multiple Airlines
Thu 10/291:00 pm
UTP
- SEA
2 stops37h 40m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$1,292
This Emirates deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:05 pm
SEA
- DMK
1 stop26h 55m
Emirates
Thu 11/510:55 pm
DMK
- SEA
1 stop28h 40m
Emirates
Deal found 7/6![Emirates logo]()
$1,298
This EVA Air 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Sun 9/208:00 pm
CNX
- SEA
2 stops37h 40m
EVA Air
Deal found 7/7![EVA Air logo]()
$1,193
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.
Wed 7/225:15 am
SEA
- BKK
3 stops38h 20m
United Airlines
Sun 8/29:35 am
BKK
- SEA
2 stops26h 24m
United Airlines
Deal found 7/7![United Airlines logo]()
$1,371
Last-minute flights from Seattle to ThailandDiscover last-minute flight deals from Seattle to Thailand. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thailand. Data last updated July 8, 2026 and is based on user searches.
This Fareboom 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:05 pm
SEA
- BKK
1 stop28h 30m
Condor
Sat 9/1210:35 pm
BKK
- SEA
1 stop31h 05m
Condor
Deal found 7/8![Condor logo]()
$829
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:15 am
SEA
- BKK
1 stop38h 00m
Singapore Airlines
Mon 11/29:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 7/7![Singapore Airlines logo]()
$814
This oojo deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/611:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Thu 8/2710:20 am
BKK
- SEA
1 stop23h 45m
Philippine Airlines
Deal found 7/4![Philippine Airlines logo]()
$820
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.
Thu 8/61:25 pm
SEA
- BKK
2 stops37h 55m
Multiple Airlines
Mon 11/211:00 pm
BKK
- SEA
1 stop31h 55m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$834
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.
Sun 8/95:40 pm
SEA
- BKK
1 stop28h 55m
Multiple Airlines
Thu 8/276:40 pm
BKK
- SEA
2 stops30h 10m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$840
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.
Mon 8/101:20 pm
SEA
- BKK
1 stop18h 25m
Korean Air
Sun 8/232:35 am
BKK
- SEA
1 stop22h 25m
Korean Air
Deal found 7/8![Korean Air logo]()
$842
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 8/111:20 pm
SEA
- HKT
1 stop18h 50m
Korean Air
Sun 8/2311:25 pm
HKT
- SEA
1 stop25h 35m
Korean Air
Deal found 7/7![Korean Air logo]()
$948
This Rumbo deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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.
Thu 8/201:20 pm
SEA
- BKK
1 stop20h 15m
Korean Air
Sat 9/59:40 pm
BKK
- SEA
1 stop27h 00m
Korean Air
Deal found 7/4![Korean Air logo]()
$835
This Vliegwinkel deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Thu 8/2710:20 am
BKK
- SEA
1 stop23h 45m
Philippine Airlines
Deal found 7/5![Philippine Airlines logo]()
$841
This lastminute.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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/231:20 pm
SEA
- HKT
1 stop18h 50m
Korean Air
Sun 9/611:25 pm
HKT
- SEA
1 stop25h 15m
Korean Air
Deal found 7/8![Korean Air logo]()
$935
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 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 7/7![Singapore Airlines logo]()
$818
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.
Sun 8/3010:15 am
SEA
- USM
1 stop31h 30m
Singapore Airlines
Wed 9/1611:05 am
USM
- SEA
1 stop35h 40m
Singapore Airlines
Deal found 7/7![Singapore Airlines logo]()
$937
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 July 8, 2026.
Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:15 am
SEA
- HKT
1 stop40h 55m
Singapore Airlines
Deal found 7/7![Singapore Airlines logo]()
$295
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 8/2510:15 am
SEA
- HKT
1 stop40h 55m
Singapore Airlines
Deal found 7/7![Singapore Airlines logo]()
$381
This oojo deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/1010:15 am
SEA
- HKT
1 stop37h 55m
Singapore Airlines
Deal found 7/4![Singapore Airlines logo]()
$383
This Traveloka 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:00 am
SEA
- CNX
1 stop20h 55m
Korean Air
Deal found 7/7![Korean Air logo]()
$414
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.
Thu 8/1311:10 pm
SEA
- BKK
1 stop23h 00m
Philippine Airlines
Deal found 7/8![Philippine Airlines logo]()
$422
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 9/1510:15 am
SEA
- DMK
2 stops40h 35m
Multiple Airlines
Deal found 7/7![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.
Tue 8/41:05 pm
SEA
- BKK
1 stop22h 00m
Delta
Deal found 7/8![Delta logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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
- CNX
2 stops32h 45m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$427
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 7/281:20 pm
SEA
- BKK
1 stop34h 15m
Korean Air
Deal found 7/8![Korean Air logo]()
$428
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:00 am
SEA
- CNX
1 stop20h 55m
Korean Air
Deal found 7/7![Korean Air logo]()
$428
This Korean Air deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/127:20 am
SEA
- BKK
2 stops27h 45m
Korean Air
Deal found 7/6![Korean Air logo]()
$429
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 9/1510:15 am
SEA
- HKT
2 stops23h 20m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$429
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 July 8, 2026.
Round-trip from | $670 (oojo) |
|---|---|
One-way from | $295 (Trip.com) |
Popular in | June |
Cheapest in | October |
Average price | $955 |
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 July 8, 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
SeattlePhuket City
SEA - HKT
SEAHKT
Seattle/Tacoma Intl
Sun 9/6
10:15 am-5:10 pm
1 stop40h 55m
Phuket City
Wed 9/16
9:20 am-8:45 am
1 stop37h 25m
$802
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/24
1:05 pm-1:05 am
1 stop22h 00m
Bangkok Suvarnabhumi
Wed 9/23
9:40 pm-1:37 pm
1 stop29h 57m
$865
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 11/3
11:00 am-9:30 pm
1 stop19h 30m
Bangkok Suvarnabhumi
Sun 11/15
9:30 pm-9:00 am
1 stop26h 30m
$869
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/31
7:20 am-11:35 pm
2 stops26h 15m
Bangkok Suvarnabhumi
Mon 9/7
9:40 pm-10:40 am
1 stop27h 00m
$874
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 11/17
12:00 pm-1:25 pm
2 stops34h 25m
Bangkok Suvarnabhumi
Mon 12/7
12:55 am-9:00 am
1 stop23h 05m
$874
SeattleKo Samui
SEA - USM
SEAUSM
Seattle/Tacoma Intl
Wed 12/2
8:45 am-5:10 pm
1 stop41h 25m
Ko Samui
Wed 12/9
7:45 pm-7:10 am
1 stop50h 25m
$901
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Mon 11/2
11:00 am-10:55 pm
1 stop20h 55m
Chiang Mai
Thu 11/5
12:15 am-9:00 am
1 stop23h 45m
$909
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 8/23
4:30 pm-4:35 am
1 stop22h 05m
Bangkok Suvarnabhumi
Wed 9/23
3:45 pm-2:22 pm
3 stops36h 37m
$926
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 10/1
6:43 pm-9:35 am
2 stops24h 52m
Bangkok Suvarnabhumi
Sat 10/31
4:55 pm-1:20 pm
2 stops34h 25m
$934
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Fri 10/30
12:00 pm-10:55 pm
1 stop20h 55m
Chiang Mai
Thu 11/12
12:15 am-9:00 am
1 stop23h 45m
$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-HKT
SEA-BKK
SEA-KBV
SEA-USM
SEA-DMK
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Thailand
SEA-TH0
SEA-HKT
SEA-BKK
SEA-KBV
SEA-USM
What is the cheapest month to book a flight from Seattle to Thailand?
Currently, April is the cheapest month in which you can book a flight from Seattle to Thailand (average of $140). Flying from Seattle to Thailand in December is currently the most expensive (average of $2,158). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How far ahead should I book a flight from Seattle to Thailand?
The best time to book flights from Seattle to Thailand is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Thailand
Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated July 8, 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.
Crew
9.2
Overall
8.8
Food
8.6
Comfort
8.9
Boarding
8.9
Entertainment
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Crew
9.2
Overall
8.8
Food
8.6
Comfort
8.9
Boarding
8.9
Entertainment
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Crew
9.2
Overall
8.8
Food
8.6
Comfort
8.9
Boarding
8.9
Entertainment
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Crew
9.2
Overall
8.8
Food
8.6
Comfort
8.9
Boarding
8.9
Entertainment
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Crew
9.2
Overall
8.8
Food
8.6
Comfort
8.9
Boarding
8.9
Entertainment
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Crew
9.2
Overall
8.8
Food
8.6
Comfort
8.9
Boarding
8.9
Entertainment
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 Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Seattle to Thailand
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Thailand by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Thailand by cabin class
Find flights from Seattle to Thailand, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Thailand flights
Browse other Seattle and Thailand flight options. Last updated on July 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Thailand flights
Consider these flights traveling from Seattle to Thailand.
Fly to Thailand regions
Consider these flights traveling to Thailand regions.
Top 10 airlines flying from Seattle to Thailand
Discover the top 10 airlines that operate flights from Seattle to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 8, 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$459 | Average$939 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$510 | Average$709 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$623 | Average$742 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$623 | Average$1,373 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$652 | Average$798 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$680 | Average$886 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$697 | Average$1,084 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$705 | Average$880 | FlexibilityNo cancel fee | On-time72% |