Flight Routes from Seattle Tacoma to Bangkok

Trip type

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
10/25/26
1 Stopover (SIN)
SQ0027, SQ0720
20h 15min
Return
11/16/26
1 Stopover (SIN)
SQ0711, SQ0028
28h 00min
Singapore Airlines
$815
Seattle-Tacoma
Bangkok
Outbound
10/25/26
1 Stopover (SIN)
SQ0027, SQ0710
38h 50min
Return
11/16/26
1 Stopover (SIN)
SQ0707, SQ0028
34h 10min
Singapore Airlines ?
$883
Seattle-Tacoma
Bangkok
Outbound
10/30/26
1 Stopover (SIN)
SQ0027, SQ0720
20h 15min
Return
11/25/26
1 Stopover (SIN)
SQ0719, SQ0028
25h 00min
Singapore Airlines
$925
Seattle-Tacoma
Bangkok
Outbound
09/13/26
1 Stopover (MNL)
PR0125, PR0740
19h 45min
Return
09/20/26
1 Stopover (TPE)
CI0836, CI0022
15h 45min
Philippine Airlines ?
$957
Seattle-Tacoma
Bangkok
Outbound
10/25/26
1 Stopover (SIN)
SQ0027, SQ0712
41h 15min
Return
11/16/26
1 Stopover (SIN)
SQ0707, SQ0028
34h 10min
Singapore Airlines ?
$962
Seattle-Tacoma
Bangkok
Outbound
09/13/26
1 Stopover (MNL)
PR0125, PR0730
23h 00min
Return
09/20/26
1 Stopover (TPE)
CI0836, CI0022
15h 45min
Philippine Airlines
$966
Seattle-Tacoma
Bangkok
Outbound
10/30/26
1 Stopover (ICN)
OZ0271, OZ0741
31h 50min
Return
11/25/26
1 Stopover (ICN)
OZ0742, OZ0272
29h 00min
Asiana Airlines
$971
Seattle-Tacoma
Bangkok
Outbound
09/13/26
1 Stopover (MNL)
PR0125, PR0730
23h 00min
Return
09/20/26
1 Stopover (TPE)
CI0836, CI0022
15h 45min
Philippine Airlines
$974
Seattle-Tacoma
Bangkok
Outbound
10/30/26
1 Stopover (ICN)
OZ0271, OZ0741
31h 50min
Return
11/25/26
1 Stopover (ICN)
OZ0742, OZ0272
29h 00min
Asiana Airlines
$976
Seattle-Tacoma
Bangkok
Outbound
09/13/26
2 Stopovers (LAX, ICN)
KE3020, KE0018, KE0659
37h 36min
Return
09/20/26
1 Stopover (ICN)
KE0660, KE0041
38h 50min
Korean Air
$982
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 814,97 $
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