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
Seattle-Tacoma
Bangkok
Outbound
09/04/25
1 Stopover (TPE)
JX0031, JX0745
25h 25min
Return
09/28/25
1 Stopover (TPE)
JX0742, JX0032
17h 00min
Starlux Airlines
$689
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
09/04/25
1 Stopover (TPE)
JX0031, JX0745
25h 25min
Return
09/28/25
1 Stopover (TPE)
JX0742, JX0032
17h 00min
Starlux Airlines
$690
Seattle-Tacoma
Bangkok
Outbound
09/04/25
1 Stopover (ICN)
OZ0271, OZ0741
18h 55min
Return
09/28/25
1 Stopover (ICN)
OZ0742, OZ0272
25h 10min
Asiana Airlines ?
$695
Seattle-Tacoma
Bangkok
Outbound
09/04/25
1 Stopover (TPE)
JX0031, JX0741
20h 45min
Return
09/28/25
1 Stopover (TPE)
JX0746, JX0032
36h 20min
Starlux Airlines ?
$697
Seattle-Tacoma
Bangkok
Outbound
10/18/25
1 Stopover (SIN)
SQ0027, SQ0720
19h 45min
Return
11/17/25
1 Stopover (SIN)
SQ0707, SQ0028
34h 10min
Singapore Airlines ?
$710
Seattle-Tacoma
Bangkok
Outbound
09/04/25
1 Stopover (TPE)
JX0031, JX0745
25h 25min
Return
09/28/25
1 Stopover (TPE)
JX0746, JX0032
36h 20min
Starlux Airlines ?
$711
Seattle-Tacoma
Bangkok
Outbound
09/04/25
2 Stopovers (YVR, HND)
NH5391, NH0115, NH0849
24h 50min
Return
09/28/25
2 Stopovers (HND, YVR)
NH0878, NH0116, NH5386
42h 41min
ANA All Nippon Airways
$712
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
09/04/25
1 Stopover (TPE)
JX0031, JX0741
20h 45min
Return
09/28/25
1 Stopover (TPE)
JX0742, JX0032
17h 00min
Starlux Airlines
$715
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 $688.51
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