$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 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Thailand with Cheapflights
1. Tell us where you want to go
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 18, 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 18, 2026.
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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
Mon 11/168:40 am -
1 stop37h 25m
Deal found 9/14![Singapore Airlines logo]()
$668
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 9/13![Singapore Airlines logo]()
$678
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 stop20h 20m
Mon 12/1412:00 pm -
1 stop34h 05m
Deal found 9/14![Singapore Airlines logo]()
$686
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/1110:15 am -
1 stop32h 05m
Wed 10/2810:05 am -
1 stop36h 00m
Deal found 9/13![Singapore Airlines logo]()
$715
This oojo deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 9/17![Singapore Airlines logo]()
$725
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/2310:15 am -
1 stop37h 40m
Thu 10/2910:05 am -
1 stop36h 00m
Deal found 9/15![Singapore Airlines logo]()
$726
This Justfly.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am -
1 stop19h 35m
Thu 10/2910:05 am -
1 stop36h 00m
Deal found 9/15![Singapore Airlines logo]()
$743
This Justfly.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Wed 11/118:40 am -
1 stop41h 30m
Thu 11/1910:55 am -
1 stop35h 10m
Deal found 9/18![Singapore Airlines logo]()
$756
This oojo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/188:40 am -
1 stop38h 15m
Tue 11/2410:05 am -
1 stop36h 00m
Deal found 9/18![Singapore Airlines logo]()
$774
This Traveloka deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:40 am -
1 stop43h 05m
Sat 11/79:40 am -
1 stop36h 25m
Deal found 9/16![Singapore Airlines logo]()
$782
This oojo deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 11/38:40 am -
1 stop20h 20m
Tue 11/249:15 pm -
1 stop24h 50m
Deal found 9/17![Singapore Airlines logo]()
$783
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/158:40 am -
1 stop38h 55m
Tue 11/2412:00 pm -
1 stop34h 05m
Deal found 9/16![Singapore Airlines logo]()
$785
Best flights from Seattle to ThailandDiscover carefully curated flight deals from Seattle to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 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 18, 2026.
This China Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 1/312:10 am -
1 stop25h 35m
Tue 1/265:50 pm -
1 stop15h 20m
Deal found 9/15![China Airlines logo]()
$854
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Tue 11/104:39 pm -
2 stops27h 51m
Tue 11/179:10 am -
1 stop19h 10m
Deal found 9/15![United Airlines logo]()
$857
This Korean Air deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 -
2 stops43h 15m
Tue 11/1012:20 am -
1 stop23h 45m
Deal found 9/13![Korean Air logo]()
$868
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/112:30 pm -
1 stop19h 15m
Tue 11/1012:20 am -
1 stop26h 31m
Deal found 9/18![Delta logo]()
$897
This Ovago deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:40 am -
1 stop41h 30m
Fri 11/66:05 pm -
1 stop28h 00m
Deal found 9/14![Singapore Airlines logo]()
$907
This Cathay Pacific deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/137:08 pm -
2 stops25h 42m
Sun 10/1811:50 am -
1 stop36h 15m
Deal found 9/16![Multiple Airlines logo]()
$954
This EVA Air deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 9/17![EVA Air logo]()
$1,062
This Etihad Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:42 pm -
2 stops52h 38m
Tue 10/139:20 pm -
2 stops39h 22m
Deal found 9/13![Etihad Airways logo]()
$1,143
This Emirates deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 12/24:05 pm -
1 stop27h 00m
Thu 12/1011:00 pm -
1 stop28h 35m
Deal found 9/13![Emirates logo]()
$1,298
This Qatar Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 2/103:50 pm -
2 stops34h 00m
Thu 2/251:00 pm -
2 stops37h 40m
Deal found 9/16![Qatar Airways logo]()
$1,402
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:35 pm -
2 stops27h 00m
Tue 10/67:00 am -
2 stops22h 33m
Deal found 9/17![United Airlines logo]()
$888
This Korean Air deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/59:35 pm -
2 stops34h 10m
Mon 11/1612:20 am -
2 stops31h 10m
Deal found 9/18![Korean Air logo]()
$917
This China Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 9/271:15 am -
1 stop19h 05m
Tue 10/1311:20 am -
1 stop21h 55m
Deal found 9/17![China Airlines logo]()
$917
This Cathay Pacific deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Sun 10/187:08 pm -
2 stops25h 42m
Wed 10/2812:20 pm -
1 stop35h 25m
Deal found 9/14![Multiple Airlines logo]()
$954
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/27:16 am -
2 stops24h 29m
Sun 11/1512:20 am -
2 stops31h 10m
Deal found 9/14![Delta logo]()
$982
This Korean Air deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 3/34:15 pm -
2 stops39h 30m
Tue 3/1612:20 am -
1 stop23h 45m
Deal found 9/16![Korean Air logo]()
$929
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/103:30 pm -
2 stops46h 40m
Tue 3/29:10 am -
1 stop19h 10m
Deal found 9/16![United Airlines logo]()
$930
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/1710:15 am -
1 stop41h 05m
Sat 10/317:45 pm -
1 stop26h 20m
Deal found 9/13![Singapore Airlines logo]()
$1,048
This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 3/210:25 am -
2 stops29h 45m
Tue 3/912:15 pm -
2 stops35h 30m
Deal found 9/14![Multiple Airlines logo]()
$957
This EVA Air deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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.
Thu 10/2212:30 am -
1 stop19h 55m
Sun 11/111:50 am -
1 stop21h 20m
Deal found 9/17![EVA Air logo]()
$1,067
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 2/112:50 pm -
1 stop41h 35m
Tue 3/1610:55 pm -
1 stop27h 56m
Deal found 9/16![Delta logo]()
$1,020
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 1/146:29 am -
2 stops25h 21m
Mon 2/89:10 am -
1 stop19h 10m
Deal found 9/16![United Airlines logo]()
$933
This Korean Air deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 3/115:55 pm -
2 stops28h 30m
Tue 3/239:50 am -
2 stops26h 15m
Deal found 9/15![Korean Air logo]()
$940
This EVA Air deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/1012:30 am -
1 stop19h 55m
Thu 11/512:10 pm -
2 stops20h 20m
Deal found 9/15![EVA Air logo]()
$1,079
This Cathay Pacific deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/207:08 pm -
2 stops25h 42m
Fri 10/3012:20 pm -
1 stop35h 25m
Deal found 9/17![Multiple Airlines logo]()
$1,004
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Tue 10/2710:40 am -
3 stops34h 50m
Tue 11/109:10 am -
1 stop19h 10m
Deal found 9/15![United Airlines logo]()
$934
This Korean Air deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/2412:50 pm -
1 stop19h 55m
Fri 10/3012:20 am -
1 stop23h 45m
Deal found 9/13![Korean Air logo]()
$951
This China Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 1/3112:10 am -
2 stops27h 55m
Fri 3/1910:00 pm -
2 stops35h 10m
Deal found 9/16![China Airlines logo]()
$1,174
This Emirates deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 2/34:05 pm -
1 stop24h 50m
Thu 3/258:55 am -
1 stop42h 40m
Deal found 9/16![Emirates logo]()
$1,298
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 2/1412:10 am -
2 stops23h 45m
Mon 3/18:40 am -
2 stops24h 30m
Deal found 9/15![EVA Air logo]()
$1,089
Last-minute flights from Seattle to ThailandDiscover last-minute flight deals from Seattle to Thailand. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Thailand. Data last updated September 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:10 pm -
1 stop19h 45m
Tue 9/2911:40 pm -
1 stop34h 25m
Deal found 9/17![Philippine Airlines logo]()
$802
This Justfly.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/410:15 am -
1 stop32h 05m
Thu 10/159:25 am -
1 stop37h 20m
Deal found 9/13![Singapore Airlines logo]()
$838
This Justfly.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/910:15 am -
1 stop36h 05m
Wed 10/283:45 pm -
1 stop30h 20m
Deal found 9/14![Singapore Airlines logo]()
$787
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/1110:15 am -
1 stop32h 05m
Wed 10/2810:05 am -
1 stop36h 00m
Deal found 9/13![Singapore Airlines logo]()
$715
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/1110:15 am -
1 stop41h 00m
Sun 10/189:15 pm -
1 stop49h 30m
Deal found 9/13![Singapore Airlines logo]()
$801
This Justfly.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:55 am -
1 stop41h 20m
Thu 10/299:40 am -
1 stop36h 25m
Deal found 9/18![Singapore Airlines logo]()
$786
This Justfly.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:55 am -
1 stop34h 00m
Thu 10/293:45 pm -
1 stop30h 20m
Deal found 9/17![Singapore Airlines logo]()
$789
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:15 am -
1 stop19h 45m
Tue 10/278:00 pm -
1 stop50h 05m
Deal found 9/16![Singapore Airlines logo]()
$794
This Justfly.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am -
1 stop19h 35m
Thu 10/2910:05 am -
1 stop36h 00m
Deal found 9/15![Singapore Airlines logo]()
$743
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/2310:15 am -
1 stop31h 35m
Wed 10/288:25 pm -
1 stop25h 40m
Deal found 9/14![Singapore Airlines logo]()
$725
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/2310:15 am -
1 stop37h 40m
Thu 10/2910:05 am -
1 stop36h 00m
Deal found 9/15![Singapore Airlines logo]()
$726
This Traveloka deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:40 am -
1 stop43h 05m
Sat 11/79:40 am -
1 stop36h 25m
Deal found 9/16![Singapore Airlines logo]()
$782
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 18, 2026.
Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 stop32h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Singapore Airlines logo]()
$315
This oojo deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 1/68:40 am -
1 stop32h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Singapore Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 stop33h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Singapore Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 1/98:40 am -
1 stop38h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Singapore Airlines logo]()
$389
This SmartFares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 9/2812:10 am -
1 stop20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Asiana Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:20 am -
1 stop22h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Hainan Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/17:18 am -
2 stops47h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 9/2312:50 pm -
1 stop22h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Korean Air logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 stop34h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Korean Air logo]()
$406
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 9/2212:10 am -
1 stop33h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Asiana Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/2512:10 am -
1 stop20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Asiana Airlines logo]()
$408
This Justfly.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:20 am -
1 stop37h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Hainan Airlines logo]()
$409
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 18, 2026.
Round-trip from | $668 (oojo) |
|---|---|
One-way from | $315 (oojo) |
Popular in | June |
Cheapest in | March |
Average price | $832 |
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 18, 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 11/12
12:30 pm-12:20 am
1 stop20h 50m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$427
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Sun 10/4
1:00 pm-1:05 am
1 stop22h 05m
Bangkok Suvarnabhumi
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
Sun 10/25
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
Sun 11/8
12:30 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
Fri 10/23
12:10 am-10:45 pm
1 stop32h 35m
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
3:13 pm-10:45 pm
2 stops40h 32m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$432
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Wed 11/4
7:16 am-10:45 pm
2 stops24h 29m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$432
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Sat 11/7
12:30 pm-10:45 pm
2 stops43h 15m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$432
SeattleBangkok
SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi
SEABKK
Seattle/Tacoma Intl
Sun 11/15
7:00 am-11:30 am
3 stops37h 30m
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
Wed 11/11
7:00 am-11:30 am
3 stops37h 30m
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-USM
SEA-DMK
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Thailand
SEA-TH0
SEA-HKT
SEA-BKK
SEA-CNX
SEA-USM
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 $753). Flying from Seattle to Thailand in December is currently the most expensive (average of $1,226). 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 18, 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.
Entertainment
8.0
Overall
8.5
Boarding
8.4
Comfort
8.3
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Entertainment
8.0
Overall
8.5
Boarding
8.4
Comfort
8.3
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Entertainment
8.0
Overall
8.5
Boarding
8.4
Comfort
8.3
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Entertainment
8.0
Overall
8.5
Boarding
8.4
Comfort
8.3
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Entertainment
8.0
Overall
8.5
Boarding
8.4
Comfort
8.3
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Entertainment
8.0
Overall
8.5
Boarding
8.4
Comfort
8.3
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
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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 18, 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 18, 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$459 | Average$952 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$510 | Average$750 | 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$776 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$660 | Average$869 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$701 | Average$899 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$702 | Average$1,028 | FlexibilityNo cancel fee | On-time69% |