$338+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
May 10 — May 171
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to ThailandExplore the most affordable flight options available from Seattle to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
Explore the most affordable flight options available from Seattle to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
This oojo deal was found by Cheapflights users on 4/9. 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.
Tue 8/2510:15 am
SEA
- BKK
1 stop19h 45m
Singapore Airlines
Mon 11/28:00 pm
BKK
- SEA
1 stop26h 10m
Singapore Airlines
Deal found 4/9![Singapore Airlines logo]()
$648
This oojo deal was found by Cheapflights users on 4/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am
SEA
- BKK
1 stop41h 00m
Singapore Airlines
Thu 11/59:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/5![Singapore Airlines logo]()
$654
This oojo deal was found by Cheapflights users on 4/8. 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 10/1310:15 am
SEA
- BKK
1 stop41h 00m
Singapore Airlines
Thu 10/299:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/8![Singapore Airlines logo]()
$655
This oojo deal was found by Cheapflights users on 4/9. 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.
Tue 10/1310:15 am
SEA
- BKK
1 stop42h 45m
Singapore Airlines
Fri 10/239:20 am
BKK
- SEA
1 stop37h 25m
Singapore Airlines
Deal found 4/9![Singapore Airlines logo]()
$659
This oojo deal was found by Cheapflights users on 4/6. 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 10/2210:15 am
SEA
- BKK
1 stop19h 45m
Singapore Airlines
Mon 11/169:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/6![Singapore Airlines logo]()
$665
This oojo deal was found by Cheapflights users on 4/5. 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 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 stop34h 35m
Singapore Airlines
Thu 11/58:15 pm
HKT
- SEA
1 stop25h 55m
Singapore Airlines
Deal found 4/5![Singapore Airlines logo]()
$665
This oojo deal was found by Cheapflights users on 4/6. 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.
Tue 8/2510:15 am
SEA
- BKK
1 stop38h 00m
Singapore Airlines
Mon 9/1412:15 pm
BKK
- SEA
1 stop34h 30m
Singapore Airlines
Deal found 4/6![Singapore Airlines logo]()
$687
This oojo deal was found by Cheapflights users on 4/8. 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 10/110:15 am
SEA
- BKK
1 stop41h 00m
Singapore Airlines
Sat 10/318:00 pm
BKK
- SEA
1 stop26h 10m
Singapore Airlines
Deal found 4/8![Singapore Airlines logo]()
$688
This oojo deal was found by Cheapflights users on 4/6. 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.
Sat 10/1010:15 am
SEA
- HKT
1 stop32h 05m
Singapore Airlines
Mon 10/268:15 pm
HKT
- SEA
1 stop25h 55m
Singapore Airlines
Deal found 4/6![Singapore Airlines logo]()
$699
This oojo deal was found by Cheapflights users on 4/8. 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 10/1710:15 am
SEA
- BKK
1 stop42h 45m
Singapore Airlines
Sat 10/241:35 pm
BKK
- SEA
1 stop32h 35m
Singapore Airlines
Deal found 4/8![Singapore Airlines logo]()
$701
This oojo deal was found by Cheapflights users on 4/9. 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 10/410:15 am
SEA
- BKK
1 stop41h 00m
Singapore Airlines
Thu 10/299:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/9![Singapore Airlines logo]()
$702
This oojo deal was found by Cheapflights users on 4/6. 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.
Sat 11/78:45 am
SEA
- HKT
1 stop32h 05m
Singapore Airlines
Mon 11/168:40 am
HKT
- SEA
1 stop37h 30m
Singapore Airlines
Deal found 4/6![Singapore Airlines logo]()
$709
Best flights from Seattle to ThailandDiscover carefully curated flight deals from Seattle to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
Discover carefully curated flight deals from Seattle to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
This Korean Air deal was found by Cheapflights users on 4/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:50 pm
SEA
- BKK
1 stop18h 55m
Korean Air
Tue 5/199:40 pm
BKK
- SEA
2 stops31h 25m
Korean Air
Deal found 4/5![Korean Air logo]()
$870
This EVA Air deal was found by Cheapflights users on 4/5. 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 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
Mon 9/148:00 pm
CNX
- SEA
2 stops37h 00m
EVA Air
Deal found 4/5![EVA Air logo]()
$960
This China Airlines deal was found by Cheapflights users on 4/6. 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 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 4/6![China Airlines logo]()
$1,165
This Singapore Airlines deal was found by Cheapflights users on 4/9. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:15 am
SEA
- CNX
1 stop40h 20m
Singapore Airlines
Mon 9/145:35 pm
CNX
- SEA
1 stop29h 10m
Singapore Airlines
Deal found 4/9![Singapore Airlines logo]()
$1,175
This United Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:45 am
SEA
- BKK
2 stops34h 50m
United Airlines
Tue 5/193:45 pm
BKK
- SEA
3 stops36h 51m
United Airlines
Deal found 4/7![United Airlines logo]()
$1,199
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:05 pm
SEA
- BKK
1 stop20h 30m
Delta
Mon 7/139:50 am
BKK
- SEA
1 stop17h 51m
Delta
Deal found 4/5![Delta logo]()
$1,207
This Cathay Pacific deal was found by Cheapflights users on 4/6. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:05 pm
SEA
- HKT
2 stops24h 45m
Multiple Airlines
Sat 5/2311:50 am
HKT
- SEA
2 stops38h 40m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,231
This Emirates deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:15 pm
SEA
- BKK
1 stop29h 00m
Emirates
Tue 6/23:40 am
BKK
- SEA
1 stop23h 45m
Emirates
Deal found 4/8![Emirates logo]()
$1,244
This Qatar Airways deal was found by Cheapflights users on 4/5. 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.
Sun 9/274:25 pm
SEA
- UTP
2 stops34h 25m
Qatar Airways
Thu 10/11:00 pm
UTP
- SEA
2 stops37h 25m
Qatar Airways
Deal found 4/5![Qatar Airways logo]()
$1,362
This Cathay Pacific deal was found by Cheapflights users on 4/8. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:05 pm
SEA
- KBV
3 stops46h 40m
Cathay Pacific
Mon 5/189:25 am
KBV
- SEA
3 stops36h 52m
Cathay Pacific
Deal found 4/8![Cathay Pacific logo]()
$1,650
This Korean Air deal was found by Cheapflights users on 4/6. 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 4/267:59 pm
SEA
- BKK
2 stops35h 46m
Korean Air
Wed 5/2011:30 pm
BKK
- SEA
2 stops35h 00m
Korean Air
Deal found 4/6![Korean Air logo]()
$875
This Korean Air deal was found by Cheapflights users on 4/9. 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 4/287:00 am
SEA
- BKK
2 stops26h 35m
Korean Air
Mon 5/119:40 pm
BKK
- SEA
1 stop27h 00m
Korean Air
Deal found 4/9![Korean Air logo]()
$901
This Korean Air deal was found by Cheapflights users on 4/8. 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.
Thu 9/1012:50 pm
SEA
- HKT
1 stop19h 20m
Korean Air
Mon 9/1411:25 pm
HKT
- SEA
1 stop25h 15m
Korean Air
Deal found 4/8![Korean Air logo]()
$912
This Cathay Pacific deal was found by Cheapflights users on 4/5. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:05 pm
SEA
- HKT
2 stops24h 45m
Multiple Airlines
Sat 5/1611:50 am
HKT
- SEA
2 stops34h 27m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$1,231
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:36 pm
SEA
- BKK
3 stops47h 59m
United Airlines
Fri 5/153:45 pm
BKK
- SEA
3 stops43h 21m
United Airlines
Deal found 4/5![United Airlines logo]()
$1,292
This KAYAK deal was found by Cheapflights users on 4/9. 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.
Sat 7/42:10 am
SEA
- KBV
2 stops40h 35m
EVA Air
Wed 7/159:25 am
KBV
- SEA
2 stops48h 25m
EVA Air
Deal found 4/9![EVA Air logo]()
$1,313
This Emirates deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:15 pm
SEA
- BKK
1 stop29h 15m
Emirates
Sat 7/42:50 am
BKK
- SEA
1 stop24h 35m
Emirates
Deal found 4/9![Emirates logo]()
$1,357
This Qatar Airways deal was found by Cheapflights users on 4/5. 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.
Mon 4/274:25 pm
SEA
- CNX
2 stops31h 20m
Qatar Airways
Sun 5/178:00 pm
CNX
- SEA
2 stops32h 05m
Qatar Airways
Deal found 4/5![Qatar Airways logo]()
$1,374
This Korean Air deal was found by Cheapflights users on 4/6. 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.
Wed 4/2912:50 pm
SEA
- BKK
1 stop18h 55m
Korean Air
Tue 5/199:40 pm
BKK
- SEA
2 stops32h 21m
Korean Air
Deal found 4/6![Korean Air logo]()
$1,070
This CheapOair deal was found by Cheapflights users on 4/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/272:10 am
SEA
- CNX
2 stops27h 00m
Multiple Airlines
Tue 8/118:00 pm
CNX
- SEA
2 stops30h 25m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$1,330
This EVA Air deal was found by Cheapflights users on 4/6. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Sat 5/2311:35 am
CNX
- SEA
1 stop21h 15m
EVA Air
Deal found 4/6![EVA Air logo]()
$1,348
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:58 pm
SEA
- BKK
2 stops24h 37m
United Airlines
Fri 5/157:00 am
BKK
- SEA
2 stops30h 29m
United Airlines
Deal found 4/5![United Airlines logo]()
$1,357
This Emirates deal was found by Cheapflights users on 4/5. 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.
Tue 5/125:15 pm
SEA
- HKT
1 stop28h 45m
Emirates
Thu 5/217:55 pm
HKT
- SEA
1 stop31h 30m
Emirates
Deal found 4/5![Emirates logo]()
$1,380
This Qatar Airways deal was found by Cheapflights users on 4/9. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:15 am
SEA
- UTP
3 stops43h 35m
Qatar Airways
Sun 9/131:00 pm
UTP
- SEA
3 stops44h 07m
Qatar Airways
Deal found 4/9![Qatar Airways logo]()
$1,449
This Korean Air deal was found by Cheapflights users on 4/7. 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 4/305:59 pm
SEA
- HKT
2 stops62h 11m
Korean Air
Mon 5/1111:25 pm
HKT
- SEA
2 stops29h 40m
Korean Air
Deal found 4/7![Korean Air logo]()
$1,092
This Qatar Airways deal was found by Cheapflights users on 4/9. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:25 pm
SEA
- DMK
2 stops30h 15m
Multiple Airlines
Fri 6/51:45 pm
DMK
- SEA
2 stops38h 20m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,361
This Emirates deal was found by Cheapflights users on 4/5. 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 5/205:15 pm
SEA
- KBV
1 stop27h 35m
Emirates
Wed 5/279:25 am
KBV
- SEA
2 stops42h 00m
Emirates
Deal found 4/5![Emirates logo]()
$1,393
This Cathay Pacific deal was found by Cheapflights users on 4/8. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:05 pm
SEA
- KBV
3 stops46h 40m
Cathay Pacific
Mon 5/259:25 am
KBV
- SEA
3 stops37h 32m
Cathay Pacific
Deal found 4/8![Cathay Pacific logo]()
$1,725
This Korean Air deal was found by Cheapflights users on 4/9. 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 4/2212:50 pm
SEA
- HKT
1 stop19h 20m
Korean Air
Mon 5/2511:25 pm
HKT
- SEA
2 stops30h 36m
Korean Air
Deal found 4/9![Korean Air logo]()
$1,110
This Qatar Airways deal was found by Cheapflights users on 4/9. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:15 am
SEA
- UTP
3 stops43h 35m
Multiple Airlines
Sun 9/131:00 pm
UTP
- SEA
2 stops37h 25m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,412
Last-minute flights from Seattle to ThailandDiscover last-minute flight deals from Seattle to Thailand. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thailand. Data last updated April 10, 2026 and is based on user searches.
This Vliegwinkel deal was found by Cheapflights users on 4/8. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:50 pm
SEA
- BKK
1 stop20h 45m
Korean Air
Tue 5/129:50 am
BKK
- SEA
1 stop38h 50m
Korean Air
Deal found 4/8![Korean Air logo]()
$741
This lastminute.com deal was found by Cheapflights users on 4/9. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:50 pm
SEA
- BKK
1 stop20h 45m
Korean Air
Sun 5/1011:30 pm
BKK
- SEA
1 stop25h 10m
Korean Air
Deal found 4/9![Korean Air logo]()
$765
This Fareboom deal was found by Cheapflights users on 4/9. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/261:15 am
SEA
- BKK
1 stop34h 10m
Multiple Airlines
Mon 6/225:50 pm
BKK
- SEA
1 stop36h 20m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$773
This Delta deal was found by Cheapflights users on 4/9. 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 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 35m
Delta
Wed 5/209:40 pm
BKK
- SEA
1 stop29h 31m
Delta
Deal found 4/9![Delta logo]()
$796
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub 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
Multiple Airlines
Tue 5/1911:35 am
CNX
- SEA
2 stops38h 55m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$916
This Fareboom deal was found by Cheapflights users on 4/9. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:10 pm
SEA
- BKK
1 stop33h 30m
Philippine Airlines
Tue 6/911:40 pm
BKK
- SEA
1 stop34h 25m
Philippine Airlines
Deal found 4/9![Philippine Airlines logo]()
$760
This Korean Air deal was found by Cheapflights users on 4/8. 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.
Wed 4/2912:50 pm
SEA
- BKK
1 stop34h 45m
Korean Air
Mon 5/119:40 pm
BKK
- SEA
1 stop27h 00m
Korean Air
Deal found 4/8![Korean Air logo]()
$800
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:03 pm
SEA
- BKK
2 stops31h 32m
Korean Air
Sun 5/1011:30 pm
BKK
- SEA
1 stop25h 10m
Korean Air
Deal found 4/9![Korean Air logo]()
$785
This Korean Air deal was found by Cheapflights users on 4/9. 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.
Sat 5/27:00 am
SEA
- BKK
2 stops26h 35m
Korean Air
Tue 5/129:50 am
BKK
- SEA
1 stop38h 50m
Korean Air
Deal found 4/9![Korean Air logo]()
$806
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:05 pm
SEA
- HKT
2 stops38h 05m
Korean Air
Mon 5/1111:25 pm
HKT
- SEA
1 stop25h 15m
Korean Air
Deal found 4/9![Korean Air logo]()
$887
This Delta deal was found by Cheapflights users on 4/8. 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.
Sun 5/31:00 pm
SEA
- HKT
1 stop19h 10m
Delta
Mon 5/1111:25 pm
HKT
- SEA
1 stop27h 46m
Delta
Deal found 4/8![Delta logo]()
$896
This Korean Air deal was found by Cheapflights users on 4/8. 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 5/512:53 pm
SEA
- BKK
2 stops42h 52m
Korean Air
Mon 5/119:40 pm
BKK
- SEA
1 stop27h 00m
Korean Air
Deal found 4/8![Korean Air logo]()
$805
One-way flights from Seattle to ThailandSearch for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This oojo deal was found by Cheapflights users on 4/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:45 am
SEA
- BKK
1 stop32h 20m
Singapore Airlines
Deal found 4/5![Singapore Airlines logo]()
$338
This oojo deal was found by Cheapflights users on 4/8. 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.
Fri 4/249:45 am
SEA
- BKK
1 stop20h 15m
Singapore Airlines
Deal found 4/8![Singapore Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Thu 4/239:45 am
SEA
- BKK
1 stop32h 20m
Singapore Airlines
Deal found 4/7![Singapore Airlines logo]()
$380
This Fareboom deal was found by Cheapflights users on 4/8. 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.
Sat 4/256:00 pm
SEA
- BKK
1 stop28h 35m
Condor
Deal found 4/8![Condor logo]()
$386
This Fareboom deal was found by Cheapflights users on 4/8. 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.
Fri 4/245:45 pm
SEA
- BKK
2 stops26h 55m
Asiana Airlines
Deal found 4/8![Asiana Airlines logo]()
$394
This Fareboom deal was found by Cheapflights users on 4/8. 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.
Sat 4/255:45 pm
SEA
- BKK
2 stops26h 55m
Asiana Airlines
Deal found 4/8![Asiana Airlines logo]()
$400
This Fareboom deal was found by Cheapflights users on 4/9. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:10 pm
SEA
- BKK
1 stop19h 45m
Philippine Airlines
Deal found 4/9![Philippine Airlines logo]()
$405
This SmartFares deal was found by Cheapflights users on 4/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:00 am
SEA
- BKK
1 stop22h 00m
Hainan Airlines
Deal found 4/6![Hainan Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Sat 4/1811:00 am
SEA
- BKK
1 stop35h 20m
Hainan Airlines
Deal found 4/7![Hainan Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:50 pm
SEA
- BKK
1 stop34h 45m
Korean Air
Deal found 4/9![Korean Air logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:50 pm
SEA
- DMK
2 stops41h 05m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:50 pm
SEA
- DMK
2 stops41h 05m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$476
Find flight deals from Seattle to Thailand
Keep the following information in mind while searching for Seattle to Thailand flight deals. Data was last updated April 10, 2026.
Round-trip from | $648 (oojo) |
|---|---|
One-way from | $338 (oojo) |
Popular in | June |
Cheapest in | September |
Average price | $800 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Thailand that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 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
Mon 4/27
12:50 pm-9:45 pm
1 stop18h 55m
Bangkok Suvarnabhumi
Tue 5/19
9:40 pm-3:05 pm
2 stops31h 25m
$870
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 4/26
7:59 pm-9:45 pm
2 stops35h 46m
Bangkok Suvarnabhumi
Wed 5/20
11:30 pm-8:30 pm
2 stops35h 00m
$875
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 4/28
7:00 am-11:35 pm
2 stops26h 35m
Bangkok Suvarnabhumi
Mon 5/11
9:40 pm-10:40 am
1 stop27h 00m
$901
SeattlePhuket City
SEA - HKT
SEAHKT
Seattle/Tacoma Intl
Thu 9/10
12:50 pm-10:10 pm
1 stop19h 20m
Phuket City
Mon 9/14
11:25 pm-10:40 am
1 stop25h 15m
$912
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Wed 9/9
1:30 am-10:25 am
1 stop18h 55m
Chiang Mai
Mon 9/14
8:00 pm-7:00 pm
2 stops37h 00m
$960
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 4/29
12:50 pm-9:45 pm
1 stop18h 55m
Bangkok Suvarnabhumi
Tue 5/19
9:40 pm-4:01 pm
2 stops32h 21m
$1,070
SeattlePhuket City
SEA - HKT
SEAHKT
Seattle/Tacoma Intl
Thu 4/30
5:59 pm-10:10 pm
2 stops62h 11m
Phuket City
Mon 5/11
11:25 pm-3:05 pm
2 stops29h 40m
$1,092
SeattlePhuket City
SEA - HKT
SEAHKT
Seattle/Tacoma Intl
Wed 4/22
12:50 pm-10:10 pm
1 stop19h 20m
Phuket City
Mon 5/25
11:25 pm-4:01 pm
2 stops30h 36m
$1,110
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Sun 4/26
1:15 am-10:20 am
1 stop19h 05m
Chiang Mai
Sun 5/17
11:20 am-7:15 pm
1 stop21h 55m
$1,165
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Thu 9/10
10:15 am-4:35 pm
1 stop40h 20m
Chiang Mai
Mon 9/14
5:35 pm-8:45 am
1 stop29h 10m
$1,175
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-KBV
SEA-DMK
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Thailand
SEA-TH0
SEA-BKK
SEA-HKT
SEA-CNX
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 $740). 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 April 10, 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 April 10, 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.
Entertainment
8.8
Overall
8.9
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Overall
8.9
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Overall
8.9
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Overall
8.9
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Overall
8.9
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Entertainment
8.8
Overall
8.9
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
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 April 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Thailand flights
Consider these flights traveling from Seattle to Thailand.
Fly to Thailand regions
Consider these flights traveling to Thailand regions.
Top 10 airlines flying from Seattle to Thailand
Discover the top 10 airlines that operate flights from Seattle to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$682 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$418 | Average$829 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$510 | Average$914 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$544 | Average$933 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$623 | Average$1,882 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$627 | Average$800 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$680 | Average$847 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$697 | Average$906 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$704 | Average$798 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$712 | Average$814 | FlexibilityNo cancel fee | On-time70% |