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
08/20/26
1 Stopover (ICN)
KE0042, KE0651
18h 25min
Return
08/25/26
1 Stopover (TPE)
CI0832, CI0022
20h 25min
Korean Air
$929
Seattle-Tacoma
Bangkok
Outbound
08/20/26
1 Stopover (ICN)
KE0042, KE0659
20h 15min
Return
08/25/26
1 Stopover (ICN)
KE0652, KE0041
25h 30min
Korean Air ?
$931
Seattle-Tacoma
Bangkok
Outbound
08/20/26
1 Stopover (ICN)
KE0042, KE0651
18h 25min
Return
08/25/26
1 Stopover (ICN)
KE0660, KE0041
39h 10min
Korean Air ?
$940
Seattle-Tacoma
Bangkok
Outbound
08/20/26
1 Stopover (ICN)
KE0042, KE0651
18h 25min
Return
08/25/26
1 Stopover (ICN)
KE0652, KE0041
25h 30min
Korean Air ?
$944
Seattle-Tacoma
Bangkok
Outbound
08/20/26
1 Stopover (ICN)
KE0042, KE0655
21h 45min
Return
08/25/26
1 Stopover (ICN)
KE0652, KE0041
25h 30min
Korean Air
$946
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
08/20/26
1 Stopover (ICN)
KE0042, KE0659
20h 15min
Return
08/25/26
1 Stopover (ICN)
KE0652, KE0041
25h 30min
Korean Air
$961
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
Departure airport - Destination country Seattle-Tacoma International Airport, WA - Thailand
Alternative flights to Bangkok
Flight destinations with a similar price
Flight destinations with a similar price