$315+ Cheap flights from Seattle (SEA) to Thailand
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Thailand with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 September 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 September 8, 2026.
This oojo deal was found by Cheapflights users on 9/6. 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 12/18:40 am -
1 stop32h 10m
Tue 12/810:05 am -
1 stop36h 00m
Deal found 9/6![Singapore Airlines logo]()
$678
This oojo deal was found by Cheapflights users on 9/5. 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.
Sun 11/18:40 am -
1 stop32h 10m
Tue 11/108:40 am -
1 stop37h 25m
Deal found 9/5![Singapore Airlines logo]()
$726
This oojo deal was found by Cheapflights users on 9/7. 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.
Thu 10/1510:15 am -
1 stop19h 00m
Thu 10/228:10 pm -
1 stop26h 35m
Deal found 9/7![Singapore Airlines logo]()
$760
This oojo deal was found by Cheapflights users on 9/6. 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 11/108:40 am -
1 stop36h 40m
Tue 11/2410:05 am -
1 stop36h 00m
Deal found 9/6![Singapore Airlines logo]()
$766
This lastminute.com deal was found by Cheapflights users on 9/5. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:32 am -
2 stops25h 13m
Sat 11/712:20 am -
2 stops29h 30m
Deal found 9/5![Korean Air logo]()
$780
This SmartFares deal was found by Cheapflights users on 9/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:10 am -
1 stop20h 05m
Wed 1/1312:25 pm -
1 stop16h 30m
Deal found 9/4![Asiana Airlines logo]()
$785
This SmartFares deal was found by Cheapflights users on 9/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:10 am -
1 stop20h 30m
Mon 9/281:35 am -
1 stop27h 40m
Deal found 9/5![Asiana Airlines logo]()
$786
This FlightHub deal was found by Cheapflights users on 9/3. 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.
Sun 11/112:10 am -
1 stop30h 50m
Thu 11/2612:25 pm -
1 stop16h 30m
Deal found 9/3![Asiana Airlines logo]()
$787
This Justfly.com deal was found by Cheapflights users on 9/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:10 am -
1 stop30h 50m
Mon 11/912:25 pm -
1 stop16h 30m
Deal found 9/5![Asiana Airlines logo]()
$788
This lastminute.com deal was found by Cheapflights users on 9/4. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:50 pm -
1 stop18h 55m
Wed 9/232:35 am -
1 stop22h 05m
Deal found 9/4![Korean Air logo]()
$790
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:10 am -
1 stop33h 25m
Thu 10/81:35 am -
1 stop27h 40m
Deal found 9/4![Asiana Airlines logo]()
$791
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2812:10 am -
1 stop30h 50m
Sat 1/1611:55 pm -
1 stop29h 00m
Deal found 9/7![Asiana Airlines logo]()
$792
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 September 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 September 8, 2026.
This Delta deal was found by Cheapflights users on 9/5. 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.
Wed 9/231:00 pm -
1 stop22h 05m
Wed 9/309:50 am -
1 stop17h 47m
Deal found 9/5![Delta logo]()
$813
This Korean Air deal was found by Cheapflights users on 9/4. 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.
Sun 10/1812:50 pm -
1 stop34h 45m
Mon 12/149:50 am -
1 stop38h 15m
Deal found 9/4![Korean Air logo]()
$816
This United Airlines deal was found by Cheapflights users on 9/4. 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 11/13:40 pm -
1 stop22h 30m
Wed 11/119:10 am -
1 stop19h 10m
Deal found 9/4![United Airlines logo]()
$819
This FlightHub deal was found by Cheapflights users on 9/7. 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.
Wed 12/28:40 am -
1 stop32h 20m
Wed 12/96:05 pm -
1 stop52h 00m
Deal found 9/7![Singapore Airlines logo]()
$838
This Korean Air deal was found by Cheapflights users on 9/4. 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.
Sun 11/112:30 pm -
1 stop19h 15m
Tue 11/1012:20 am -
2 stops29h 49m
Deal found 9/4![Multiple Airlines logo]()
$946
This IEagle deal was found by Cheapflights users on 9/3. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:30 am -
1 stop19h 55m
Sun 10/2511:50 am -
1 stop21h 20m
Deal found 9/3![EVA Air logo]()
$1,026
This China Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 10/171:15 am -
2 stops22h 30m
Thu 2/1810:10 am -
2 stops23h 00m
Deal found 9/6![China Airlines logo]()
$1,129
This Qatar Airways deal was found by Cheapflights users on 9/5. 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.
Thu 3/43:50 pm -
1 stop25h 00m
Wed 3/2412:25 am -
1 stop26h 15m
Deal found 9/5![Qatar Airways logo]()
$1,137
This Emirates deal was found by Cheapflights users on 9/6. 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 1/174:05 pm -
1 stop24h 50m
Mon 2/111:00 pm -
1 stop28h 35m
Deal found 9/6![Emirates logo]()
$1,298
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 10/281:30 pm -
1 stop20h 50m
Thu 11/1911:15 pm -
1 stop27h 36m
Deal found 9/8![Delta logo]()
$813
This Korean Air deal was found by Cheapflights users on 9/5. 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.
Thu 12/37:15 am -
2 stops24h 50m
Wed 12/169:50 am -
1 stop38h 15m
Deal found 9/5![Korean Air logo]()
$822
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am -
2 stops32h 10m
Mon 11/169:10 am -
1 stop19h 10m
Deal found 9/8![United Airlines logo]()
$823
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 11/1112:30 pm -
1 stop19h 35m
Fri 12/189:50 am -
1 stop17h 06m
Deal found 9/8![Delta logo]()
$813
This Korean Air deal was found by Cheapflights users on 9/6. 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 9/287:15 am -
2 stops27h 50m
Sun 10/42:35 am -
1 stop22h 05m
Deal found 9/6![Korean Air logo]()
$822
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:40 pm -
1 stop22h 30m
Sun 12/137:10 am -
2 stops31h 03m
Deal found 9/6![United Airlines logo]()
$830
This SmartFares deal was found by Cheapflights users on 9/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:25 am -
2 stops29h 45m
Wed 11/410:20 am -
2 stops37h 25m
Deal found 9/7![Multiple Airlines logo]()
$957
This Singapore Airlines deal was found by Cheapflights users on 9/8. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:40 am -
1 stop41h 30m
Sun 11/1512:00 pm -
1 stop58h 05m
Deal found 9/8![Singapore Airlines logo]()
$966
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:00 pm -
1 stop22h 05m
Mon 10/511:30 pm -
1 stop27h 44m
Deal found 9/6![Delta logo]()
$813
This Korean Air deal was found by Cheapflights users on 9/5. 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.
Wed 12/211:00 am -
1 stop35h 25m
Wed 12/169:50 am -
2 stops27h 19m
Deal found 9/5![Korean Air logo]()
$828
This EVA Air deal was found by Cheapflights users on 9/6. 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.
Sun 10/181:30 am -
2 stops28h 15m
Thu 10/229:30 am -
2 stops23h 50m
Deal found 9/6![EVA Air logo]()
$1,063
This Delta deal was found by Cheapflights users on 9/4. 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.
Wed 12/212:30 pm -
1 stop19h 50m
Wed 12/169:30 pm -
1 stop29h 26m
Deal found 9/4![Delta logo]()
$813
This Mytrip deal was found by Cheapflights users on 9/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:15 am -
2 stops30h 35m
Sun 10/257:05 am -
2 stops26h 05m
Deal found 9/3![Multiple Airlines logo]()
$993
This Korean Air deal was found by Cheapflights users on 9/6. 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.
Thu 11/52:30 pm -
2 stops41h 15m
Fri 11/1312:20 am -
2 stops36h 44m
Deal found 9/6![Korean Air logo]()
$839
This Justfly.com deal was found by Cheapflights users on 9/8. 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.
Fri 2/128:40 am -
1 stop34h 15m
Sun 2/286:00 pm -
1 stop52h 05m
Deal found 9/8![Singapore Airlines logo]()
$1,021
This China Airlines deal was found by Cheapflights users on 9/7. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:15 am -
2 stops42h 05m
Sat 2/1310:10 am -
2 stops23h 00m
Deal found 9/7![China Airlines logo]()
$1,155
This Qatar Airways deal was found by Cheapflights users on 9/5. 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.
Sat 3/63:50 pm -
1 stop25h 00m
Wed 3/2412:25 am -
1 stop26h 15m
Deal found 9/5![Qatar Airways logo]()
$1,177
This EVA Air deal was found by Cheapflights users on 9/6. 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 10/161:30 am -
2 stops41h 15m
Wed 2/1711:50 am -
1 stop21h 20m
Deal found 9/6![EVA Air logo]()
$1,079
This Cathay Pacific deal was found by Cheapflights users on 9/8. 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.
Tue 1/194:39 pm -
2 stops27h 41m
Fri 1/296:50 pm -
2 stops29h 03m
Deal found 9/8![Multiple Airlines logo]()
$1,051
This Emirates deal was found by Cheapflights users on 9/3. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:05 pm -
1 stop37h 05m
Wed 11/1111:00 pm -
1 stop28h 35m
Deal found 9/3![Emirates logo]()
$1,298
This EVA Air deal was found by Cheapflights users on 9/5. 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 10/211:30 am -
2 stops22h 15m
Sun 2/147:45 pm -
2 stops37h 25m
Deal found 9/5![EVA Air logo]()
$1,084
Last-minute flights from Seattle to ThailandDiscover last-minute flight deals from Seattle to Thailand. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thailand. Data last updated September 8, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:10 am -
1 stop33h 25m
Sun 9/271:35 am -
1 stop27h 40m
Deal found 9/4![Asiana Airlines logo]()
$798
This oojo deal was found by Cheapflights users on 9/4. 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.
Sun 9/1310:15 am -
1 stop31h 50m
Thu 10/159:20 am -
1 stop37h 25m
Deal found 9/4![Singapore Airlines logo]()
$796
This lastminute.com deal was found by Cheapflights users on 9/4. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:50 pm -
1 stop18h 55m
Wed 9/232:35 am -
1 stop22h 05m
Deal found 9/4![Korean Air logo]()
$790
This SmartFares deal was found by Cheapflights users on 9/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:10 am -
1 stop20h 30m
Mon 9/281:35 am -
1 stop27h 40m
Deal found 9/5![Asiana Airlines logo]()
$786
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:10 am -
1 stop33h 25m
Thu 10/81:35 am -
1 stop27h 40m
Deal found 9/4![Asiana Airlines logo]()
$791
This FlightHub deal was found by Cheapflights users on 9/3. 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.
Tue 10/1312:10 am -
1 stop33h 25m
Mon 12/1411:55 pm -
1 stop29h 00m
Deal found 9/3![Asiana Airlines logo]()
$788
This oojo deal was found by Cheapflights users on 9/7. 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.
Thu 10/1510:15 am -
1 stop19h 00m
Thu 10/228:10 pm -
1 stop26h 35m
Deal found 9/7![Singapore Airlines logo]()
$760
This Justfly.com deal was found by Cheapflights users on 9/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:10 am -
1 stop33h 25m
Mon 2/2211:55 pm -
1 stop29h 00m
Deal found 9/3![Asiana Airlines logo]()
$787
This SmartFares deal was found by Cheapflights users on 9/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:10 am -
1 stop20h 30m
Fri 12/1112:25 pm -
1 stop16h 30m
Deal found 9/4![Asiana Airlines logo]()
$794
This lastminute.com deal was found by Cheapflights users on 9/5. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:32 am -
2 stops25h 13m
Sat 11/712:20 am -
2 stops29h 30m
Deal found 9/5![Korean Air logo]()
$780
This SmartFares deal was found by Cheapflights users on 9/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:10 am -
1 stop20h 55m
Fri 11/2012:25 pm -
1 stop16h 30m
Deal found 9/8![Asiana Airlines logo]()
$795
This oojo deal was found by Cheapflights users on 9/8. 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 10/2712:10 am -
1 stop20h 55m
Thu 11/1911:55 pm -
1 stop29h 00m
Deal found 9/8![Asiana Airlines logo]()
$800
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 September 8, 2026.
Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This oojo deal was found by Cheapflights users on 9/6. 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 11/288:40 am -
1 stop19h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Singapore Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:40 am -
1 stop19h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Singapore Airlines logo]()
$355
This SmartFares deal was found by Cheapflights users on 9/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:10 am -
1 stop21h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Asiana Airlines logo]()
$400
This SmartFares deal was found by Cheapflights users on 9/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:10 am -
1 stop20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Asiana Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:50 pm -
1 stop20h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Korean Air logo]()
$404
This FlightHub deal was found by Cheapflights users on 9/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:10 am -
1 stop20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Asiana Airlines logo]()
$406
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:20 am -
1 stop37h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Hainan Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:10 am -
1 stop33h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Asiana Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:50 pm -
1 stop34h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Korean Air logo]()
$413
This Air Canada deal was found by Cheapflights users on 9/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:00 pm -
2 stops42h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Air Canada logo]()
$418
This SmartFares deal was found by Cheapflights users on 9/3. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:10 am -
2 stops31h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Japan Airlines logo]()
$421
This SmartFares deal was found by Cheapflights users on 9/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:55 am -
1 stop17h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![China Airlines logo]()
$423
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 September 8, 2026.
Round-trip from | $674 (oojo) |
|---|---|
One-way from | $315 (oojo) |
Popular in | June |
Cheapest in | March |
Average price | $824 |
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 7,457,451 searches. Data last updated September 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
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Thu 9/10
12:10 am-11:35 pm
1 stop33h 25m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$425
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Sun 10/4
1:00 pm-11:35 pm
1 stop20h 35m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$427
Quickest round-trip
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Thu 10/29
1:30 pm-10:45 pm
1 stop19h 15m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$427
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Thu 11/12
11:00 am-10:45 pm
1 stop20h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$429
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Mon 11/9
11:00 am-10:45 pm
1 stop20h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$429
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Fri 11/6
11:00 am-10:45 pm
1 stop20h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$429
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Tue 11/10
11:00 am-10:45 pm
1 stop20h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$429
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Wed 9/23
4:30 pm-9:35 am
2 stops27h 05m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$433
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Sun 10/18
6:43 pm-9:35 am
2 stops24h 52m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$433
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Tue 10/20
12:16 pm-9:35 am
2 stops31h 19m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$433
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, March is the cheapest month in which you can book a flight from Seattle to Thailand (average of $755). Flying from Seattle to Thailand in December is currently the most expensive (average of $1,248). 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 September 8, 2026.
Read through reviews of airlines operating flights from Seattle to Thailand, such as EVA Air,China Airlines, andANA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.3
Entertainment
8.0
Overall
8.5
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Comfort
8.3
Entertainment
8.0
Overall
8.5
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Comfort
8.3
Entertainment
8.0
Overall
8.5
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Comfort
8.3
Entertainment
8.0
Overall
8.5
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Comfort
8.3
Entertainment
8.0
Overall
8.5
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Comfort
8.3
Entertainment
8.0
Overall
8.5
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - 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 September 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$676 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$385 | Average$686 | FlexibilityNo cancel fee | On-time61% | |
| Cheapest$418 | Average$868 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$459 | Average$978 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$510 | Average$744 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$577 | Average$1,117 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$623 | Average$1,371 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$624 | Average$770 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$701 | Average$900 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$702 | Average$1,046 | FlexibilityNo cancel fee | On-time69% |