$324+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Apr 29 — May 61
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to ThailandExplore the most affordable flight options available from Seattle to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 30, 2026.
Explore the most affordable flight options available from Seattle to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 30, 2026.
This FlightHub deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 9/510:15 am
SEA
- HKT
1 stop19h 00m
Singapore Airlines
Mon 9/149:25 am
HKT
- SEA
1 stop37h 20m
Singapore Airlines
Deal found 3/28![Singapore Airlines logo]()
$508
This oojo deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 stop38h 50m
Singapore Airlines
Wed 11/189:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 3/28![Singapore Airlines logo]()
$623
This oojo deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 3/27![Singapore Airlines logo]()
$628
This FlightHub deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 9/810:15 am
SEA
- BKK
1 stop31h 50m
Singapore Airlines
Wed 9/168:35 pm
BKK
- SEA
1 stop26h 10m
Singapore Airlines
Deal found 3/27![Singapore Airlines logo]()
$635
This oojo deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 stop34h 45m
Singapore Airlines
Mon 11/169:35 am
BKK
- SEA
1 stop36h 35m
Singapore Airlines
Deal found 3/29![Singapore Airlines logo]()
$637
This oojo deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 10/310:15 am
SEA
- BKK
1 stop41h 00m
Singapore Airlines
Sat 10/179:20 am
BKK
- SEA
1 stop37h 25m
Singapore Airlines
Deal found 3/28![Singapore Airlines logo]()
$649
This oojo deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Sun 9/2011:45 am
BKK
- SEA
1 stop17h 10m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$664
This oojo deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 9/1412:55 am
SEA
- BKK
1 stop19h 45m
Asiana Airlines
Thu 10/1511:45 am
BKK
- SEA
1 stop17h 10m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$665
This oojo deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:07 pm
SEA
- BKK
2 stops25h 53m
Singapore Airlines
Sat 10/101:35 pm
BKK
- SEA
1 stop33h 10m
Singapore Airlines
Deal found 3/29![Singapore Airlines logo]()
$667
This Gotogate deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 12/2812:10 am
SEA
- BKK
1 stop30h 50m
Asiana Airlines
Wed 1/1311:55 pm
BKK
- SEA
1 stop29h 00m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$669
This oojo deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 10/266:00 pm
HKT
- SEA
1 stop28h 10m
Singapore Airlines
Deal found 3/28![Singapore Airlines logo]()
$676
This oojo deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 9/110:15 am
SEA
- HKT
1 stop32h 20m
Singapore Airlines
Tue 9/298:10 pm
HKT
- SEA
2 stops33h 49m
Singapore Airlines
Deal found 3/30![Singapore Airlines logo]()
$699
Best flights from Seattle to ThailandDiscover carefully curated flight deals from Seattle to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 30, 2026.
Discover carefully curated flight deals from Seattle to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 30, 2026.
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 stop18h 40m
Delta
Wed 9/239:50 am
BKK
- SEA
1 stop17h 47m
Delta
Deal found 3/25![Delta logo]()
$808
This Korean Air deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 8/284:15 pm
SEA
- BKK
2 stops31h 20m
Korean Air
Wed 9/232:35 am
BKK
- SEA
1 stop22h 05m
Korean Air
Deal found 3/25![Korean Air logo]()
$817
This EVA Air deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 9/231:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Mon 9/288:00 pm
CNX
- SEA
2 stops37h 00m
EVA Air
Deal found 3/26![EVA Air logo]()
$960
This EVA Air deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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.
Sun 8/92:10 am
SEA
- KBV
2 stops27h 35m
Multiple Airlines
Thu 8/209:30 am
KBV
- SEA
2 stops23h 40m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,124
This Qatar Airways deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 8/314:25 pm
SEA
- HKT
1 stop25h 20m
Qatar Airways
Fri 10/28:30 pm
HKT
- SEA
1 stop29h 55m
Qatar Airways
Deal found 3/30![Qatar Airways logo]()
$1,142
This Cathay Pacific deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:00 am
SEA
- HKT
2 stops36h 50m
Cathay Pacific
Mon 9/2111:50 am
HKT
- SEA
1 stop36h 15m
Cathay Pacific
Deal found 3/25![Cathay Pacific logo]()
$1,144
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:15 am
SEA
- BKK
3 stops38h 20m
United Airlines
Sat 10/314:55 pm
BKK
- SEA
2 stops21h 38m
United Airlines
Deal found 3/26![United Airlines logo]()
$1,201
This Justfly.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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.
Fri 7/3110:15 am
SEA
- USM
1 stop31h 30m
Singapore Airlines
Sat 8/157:45 pm
USM
- SEA
1 stop27h 00m
Singapore Airlines
Deal found 3/29![Singapore Airlines logo]()
$1,337
This China Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 7/91:55 am
SEA
- CNX
1 stop18h 25m
China Airlines
Tue 8/411:20 am
CNX
- SEA
1 stop22h 25m
China Airlines
Deal found 3/27![China Airlines logo]()
$1,407
This Emirates deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 5/105:15 pm
SEA
- KBV
2 stops49h 30m
Emirates
Sun 5/179:25 am
KBV
- SEA
2 stops66h 00m
Emirates
Deal found 3/25![Emirates logo]()
$1,436
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 stop18h 40m
Delta
Sat 9/269:40 pm
BKK
- SEA
1 stop29h 57m
Delta
Deal found 3/25![Delta logo]()
$808
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 8/221:05 pm
SEA
- BKK
1 stop22h 00m
Delta
Sat 9/262:35 am
BKK
- SEA
1 stop25h 02m
Delta
Deal found 3/25![Delta logo]()
$808
This Korean Air deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/197:59 pm
SEA
- BKK
2 stops37h 36m
Korean Air
Mon 6/19:40 pm
BKK
- SEA
2 stops32h 20m
Korean Air
Deal found 3/25![Korean Air logo]()
$911
This EVA Air deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 9/191:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Wed 9/2311:35 am
CNX
- SEA
1 stop22h 05m
EVA Air
Deal found 3/28![EVA Air logo]()
$995
This Finnair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:40 pm
SEA
- CNX
2 stops27h 35m
Finnair
Sat 8/88:00 pm
CNX
- SEA
2 stops34h 00m
Finnair
Deal found 3/27![Finnair logo]()
$2,098
This Korean Air deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/237:00 am
SEA
- BKK
2 stops40h 35m
Korean Air
Wed 5/139:40 pm
BKK
- SEA
1 stop27h 00m
Korean Air
Deal found 3/26![Korean Air logo]()
$964
This Mytrip deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 8/2512:55 am
SEA
- DMK
2 stops26h 40m
Multiple Airlines
Mon 9/712:20 pm
DMK
- SEA
2 stops21h 20m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,125
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
Wed 5/69:20 pm
SEA
- BKK
2 stops36h 15m
Delta
Sat 5/169:40 pm
BKK
- SEA
2 stops32h 21m
Delta
Deal found 3/25![Delta logo]()
$956
This EVA Air deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 9/71:30 am
SEA
- USM
2 stops22h 15m
EVA Air
Thu 9/108:10 am
USM
- SEA
2 stops24h 50m
EVA Air
Deal found 3/28![EVA Air logo]()
$1,052
This Korean Air deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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
Wed 5/69:50 am
BKK
- SEA
2 stops44h 11m
Korean Air
Deal found 3/30![Korean Air logo]()
$969
This Qatar Airways deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 9/34:25 pm
SEA
- HKT
1 stop25h 20m
Qatar Airways
Wed 9/306:05 pm
HKT
- SEA
2 stops32h 20m
Qatar Airways
Deal found 3/30![Qatar Airways logo]()
$1,213
This EVA Air deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 9/191:30 am
SEA
- HKT
2 stops29h 45m
EVA Air
Wed 9/2310:20 am
HKT
- SEA
2 stops23h 20m
EVA Air
Deal found 3/29![EVA Air logo]()
$1,065
This Trip.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/261:15 am
SEA
- USM
2 stops25h 35m
Multiple Airlines
Mon 5/46:00 am
USM
- SEA
2 stops27h 15m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,200
This Korean Air deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/307:00 am
SEA
- BKK
2 stops40h 35m
Korean Air
Sun 5/3111:30 pm
BKK
- SEA
2 stops31h 21m
Korean Air
Deal found 3/27![Korean Air logo]()
$995
This Qatar Airways deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
Sat 8/294:25 pm
SEA
- HKT
1 stop25h 20m
Qatar Airways
Sun 9/278:30 pm
HKT
- SEA
1 stop29h 55m
Qatar Airways
Deal found 3/30![Qatar Airways logo]()
$1,222
This Singapore Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 9/810:15 am
SEA
- USM
1 stop31h 30m
Singapore Airlines
Thu 9/106:15 pm
USM
- SEA
1 stop28h 30m
Singapore Airlines
Deal found 3/25![Singapore Airlines logo]()
$1,349
This Emirates deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 9/105:15 pm
SEA
- KBV
1 stop37h 05m
Emirates
Mon 9/149:25 am
KBV
- SEA
2 stops42h 00m
Emirates
Deal found 3/25![Emirates logo]()
$1,443
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:37 pm
SEA
- BKK
3 stops47h 58m
United Airlines
Tue 4/289:35 am
BKK
- SEA
2 stops48h 10m
United Airlines
Deal found 3/29![United Airlines logo]()
$1,448
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 9/1710:15 am
SEA
- DMK
1 stop22h 10m
Multiple Airlines
Mon 9/281:40 pm
DMK
- SEA
2 stops19h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,201
This Korean Air deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/237:00 am
SEA
- BKK
2 stops26h 35m
Korean Air
Thu 5/1411:30 pm
BKK
- SEA
2 stops29h 35m
Korean Air
Deal found 3/26![Korean Air logo]()
$1,015
Last-minute flights from Seattle to ThailandDiscover last-minute flight deals from Seattle to Thailand. Data last updated March 30, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thailand. Data last updated March 30, 2026 and is based on user searches.
This Asiana Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Sun 6/211:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$712
This Asiana Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Tue 6/2311:45 am
BKK
- SEA
1 stop17h 10m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$807
This BusinessClass deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Sun 6/211:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$698
This FlightHub deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/2012:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Mon 6/221:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$757
This oojo deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/2012:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Sat 5/21:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$802
This oojo deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Mon 5/1111:45 am
BKK
- SEA
1 stop17h 10m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$799
This oojo deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Fri 5/111:45 am
BKK
- SEA
1 stop17h 10m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$803
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:00 pm
SEA
- BKK
1 stop20h 35m
Delta
Wed 6/242:35 am
BKK
- SEA
1 stop24h 50m
Delta
Deal found 3/25![Delta logo]()
$808
This Korean Air deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/247:00 am
SEA
- BKK
2 stops40h 35m
Korean Air
Mon 5/1111:30 pm
BKK
- SEA
1 stop25h 10m
Korean Air
Deal found 3/25![Korean Air logo]()
$805
This oojo deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/259:45 am
SEA
- HKT
1 stop32h 50m
Singapore Airlines
Thu 5/289:25 am
HKT
- SEA
1 stop37h 20m
Singapore Airlines
Deal found 3/28![Singapore Airlines logo]()
$902
This Korean Air deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/2612:50 pm
SEA
- BKK
1 stop34h 45m
Korean Air
Wed 5/209:50 am
BKK
- SEA
1 stop38h 50m
Korean Air
Deal found 3/26![Korean Air logo]()
$800
This oojo deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 stop19h 45m
Asiana Airlines
Sun 6/211:20 am
BKK
- SEA
1 stop27h 35m
Asiana Airlines
Deal found 3/30![Asiana Airlines logo]()
$809
One-way flights from Seattle to ThailandSearch for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated March 30, 2026.
Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated March 30, 2026.
This oojo deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/259:45 am
SEA
- HKT
1 stop19h 30m
Singapore Airlines
Deal found 3/28![Singapore Airlines logo]()
$324
This Justfly.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:15 am
SEA
- HKT
1 stop34h 35m
Singapore Airlines
Deal found 3/25![Singapore Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/249:45 am
SEA
- BKK
1 stop20h 15m
Singapore Airlines
Deal found 3/26![Singapore Airlines logo]()
$339
This oojo deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 stop19h 45m
Asiana Airlines
Deal found 3/26![Asiana Airlines logo]()
$355
This FlightHub deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/2012:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:55 am
SEA
- BKK
1 stop19h 45m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$362
This Justfly.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 8/2312:55 am
SEA
- BKK
1 stop19h 45m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 5/310:15 am
SEA
- BKK
1 stop19h 45m
Singapore Airlines
Deal found 3/25![Singapore Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/269:45 am
SEA
- BKK
1 stop20h 15m
Singapore Airlines
Deal found 3/26![Singapore Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/2712:55 am
SEA
- BKK
1 stop32h 25m
Asiana Airlines
Deal found 3/26![Asiana Airlines logo]()
$393
This SmartFares deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
Sun 4/1912:55 am
SEA
- HKT
1 stop30h 45m
Asiana Airlines
Deal found 3/25![Asiana Airlines logo]()
$402
Find flight deals from Seattle to Thailand
Keep the following information in mind while searching for Seattle to Thailand flight deals. Data was last updated March 30, 2026.
Round-trip from | $635 (FlightHub) |
|---|---|
One-way from | $324 (oojo) |
Popular in | June |
Cheapest in | September |
Average price | $755 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Thailand that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 30, 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
Quickest round-trip
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/24
1:05 pm-9:45 pm
1 stop18h 40m
Bangkok Suvarnabhumi
Wed 9/23
9:50 am-1:37 pm
1 stop17h 47m
$808
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/24
1:05 pm-9:45 pm
1 stop18h 40m
Bangkok Suvarnabhumi
Sat 9/26
9:40 pm-1:37 pm
1 stop29h 57m
$808
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 8/22
1:05 pm-1:05 am
1 stop22h 00m
Bangkok Suvarnabhumi
Sat 9/26
2:35 am-1:37 pm
1 stop25h 02m
$808
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 8/28
4:15 pm-1:35 pm
2 stops31h 20m
Bangkok Suvarnabhumi
Wed 9/23
2:35 am-10:40 am
1 stop22h 05m
$817
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 4/19
7:59 pm-11:35 pm
2 stops37h 36m
Bangkok Suvarnabhumi
Mon 6/1
9:40 pm-4:00 pm
2 stops32h 20m
$911
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 5/6
9:20 pm-11:35 pm
2 stops36h 15m
Bangkok Suvarnabhumi
Sat 5/16
9:40 pm-4:01 pm
2 stops32h 21m
$956
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Wed 9/23
1:30 am-10:25 am
1 stop18h 55m
Chiang Mai
Mon 9/28
8:00 pm-7:00 pm
2 stops37h 00m
$960
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 4/23
7:00 am-1:35 pm
2 stops40h 35m
Bangkok Suvarnabhumi
Wed 5/13
9:40 pm-10:40 am
1 stop27h 00m
$964
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 4/29
12:50 pm-1:35 pm
1 stop34h 45m
Bangkok Suvarnabhumi
Wed 5/6
9:50 am-4:01 pm
2 stops44h 11m
$969
SeattleChiang Mai
SEA - CNX
SEACNX
Seattle/Tacoma Intl
Sat 9/19
1:30 am-10:25 am
1 stop18h 55m
Chiang Mai
Wed 9/23
11:35 am-7:40 pm
1 stop22h 05m
$995
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-CNX
SEA-DMK
SEA-KBV
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-CNX
SEA-DMK
What is the cheapest month to book a flight from Seattle to Thailand?
Currently, May is the cheapest month in which you can book a flight from Seattle to Thailand (average of $500). Flying from Seattle to Thailand in June is currently the most expensive (average of $724). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to TH?
Find hourly flight availability from Seattle to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 30, 2026.
One of the essential ways to save on airfare from Seattle to Thailand is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 33% on airfare.
What is the cheapest day to fly from Seattle to Thailand?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Thailand. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Seattle to Thailand flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Thailand
Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated March 30, 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.
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
8.9
Entertainment
8.8
Overall
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
8.9
Entertainment
8.8
Overall
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
8.9
Entertainment
8.8
Overall
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
8.9
Entertainment
8.8
Overall
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
8.9
Entertainment
8.8
Overall
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Food
8.7
Crew
9.2
Boarding
9.0
Comfort
8.9
Entertainment
8.8
Overall
9.0
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.
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
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Complete your trip
Complete your trip to Thailand by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Thailand by cabin class
Find flights from Seattle to Thailand, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Thailand flights
Browse other Seattle and Thailand flight options. Last updated on March 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Thailand flights
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Fly to Thailand regions
Consider these flights traveling to Thailand regions.
Top 10 airlines flying from Seattle to Thailand
Discover the top 10 airlines that operate flights from Seattle to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 30, 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$911 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$544 | Average$934 | 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$852 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$700 | Average$922 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$704 | Average$798 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$714 | Average$813 | FlexibilityNo cancel fee | On-time70% |