Flights from Seattle Tacoma to Bangkok

Our cheapest offers for flights from Seattle Tacoma to Bangkok

Here you can compare cheap flights from Seattle Tacoma (SEA) to Bangkok (BKK) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Bangkok. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Seattle-Tacoma
Bangkok
Outbound
09/19/25
1 Stopover (TPE)
CI0021, CI0833
18h 35min
Return
09/29/25
1 Stopover (TPE)
CI0836, CI0022
15h 50min
China Airlines ?
$701
Seattle-Tacoma
Bangkok
Outbound
09/19/25
1 Stopover (TPE)
CI0021, CI0837
34h 15min
Return
09/29/25
1 Stopover (TPE)
CI0836, CI0022
15h 50min
China Airlines
$713
Seattle-Tacoma
Bangkok
Outbound
09/19/25
1 Stopover (TPE)
CI0021, CI0833
18h 35min
Return
09/29/25
1 Stopover (TPE)
CI0834, CI0022
22h 30min
China Airlines
$717
Seattle-Tacoma
Bangkok
Outbound
09/19/25
1 Stopover (TPE)
CI0021, CI0837
34h 15min
Return
09/29/25
1 Stopover (TPE)
CI0836, CI0022
15h 50min
China Airlines
$720
Seattle-Tacoma
Bangkok
Outbound
09/19/25
1 Stopover (TPE)
CI0021, CI0833
18h 35min
Return
09/29/25
1 Stopover (TPE)
CI0834, CI0022
22h 30min
China Airlines ?
$729
Seattle-Tacoma
Bangkok
Outbound
09/19/25
1 Stopover (TPE)
CI0021, CI0833
18h 35min
Return
09/29/25
1 Stopover (TPE)
CI0836, CI0022
15h 50min
China Airlines ?
$738
Seattle-Tacoma
Bangkok
Outbound
04/29/25
1 Stopover (ICN)
OZ0271, OZ0741
18h 55min
Return
05/08/25
1 Stopover (ICN)
OZ0742, OZ0272
25h 10min
Asiana Airlines ?
$756
Seattle-Tacoma
Bangkok
Outbound
04/29/25
1 Stopover (ICN)
OZ0271, OZ0741
18h 55min
Return
05/08/25
1 Stopover (ICN)
OZ0742, OZ0272
25h 10min
Asiana Airlines ?
$766
Seattle-Tacoma
Bangkok
Outbound
04/29/25
1 Stopover (ICN)
OZ0271, OZ0741
18h 55min
Return
05/08/25
1 Stopover (ICN)
OZ0742, OZ0272
25h 10min
Asiana Airlines
$769
Seattle-Tacoma
Bangkok
Outbound
09/19/25
1 Stopover (TPE)
CI0021, CI0837
34h 15min
Return
09/29/25
1 Stopover (TPE)
CI0836, CI0022
15h 50min
China Airlines ?
$770
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Seattle Tacoma to Bangkok

Favorite airline: Korean Air
Flight tickets on the route Seattle-Tacoma – Bangkok are most frequently booked with Korean Air.
Korean Air
33 %
Singapore Airlines
29 %
Delta
10 %
Favourite connection: via Seoul Incheon
47 % of booked tickets on this route are for flights with a transfer in Seoul Incheon.
Route
bookings
1 stopover Seoul-Incheon International Airport
20h 50min, from $935
47 %
1 stopover Singapore-Changi Airport
38h 05min, from $856
35 %
2 stopovers San Francisco International Airport, CA Seoul-Incheon International Airport
26h 25min, from $1,018
12 %

Important flight information

Flight information: Seattle-Tacoma - Bangkok

Roundtrip from $700.23
Distance 12001 km
Departure airport Airport Seattle-Tacoma International Airport, WA (SEA)
Arrival airport Airport Bangkok International Airport (BKK)
Destination country Flights to Thailand
Alternative flights to Bangkok
Flight destinations with a similar price
Flight destinations with a similar price