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
Seattle-Tacoma
Bangkok
Outbound
05/08/26
1 Stopover (TPE)
JX0031, JX0745
25h 25min
Return
05/22/26
1 Stopover (ICN)
OZ0742, AS0172
26h 15min
Starlux Airlines ?
$1,114
found 3 days ago
Best option
Seattle-Tacoma
Bangkok
Outbound
05/08/26
1 Stopover (TPE)
JX0031, JX0741
20h 45min
Return
05/22/26
1 Stopover (TPE)
JX0742, JX0032
17h 00min
Starlux Airlines ?
$1,171
found 3 days ago
Seattle-Tacoma
Bangkok
Outbound
05/08/26
1 Stopover (TPE)
JX0031, JX0741
20h 45min
Return
05/22/26
1 Stopover (ICN)
OZ0742, AS0172
26h 15min
Starlux Airlines
$1,173
found 3 days ago
Seattle-Tacoma
Bangkok
Outbound
05/08/26
1 Stopover (TPE)
JX0031, JX0741
20h 45min
Return
05/22/26
1 Stopover (ICN)
TG0652, AS0172
19h 35min
Starlux Airlines
$1,176
found 3 days ago
Seattle-Tacoma
Bangkok
Outbound
05/08/26
1 Stopover (TPE)
JX0031, JX0745
25h 25min
Return
05/22/26
1 Stopover (TPE)
JX0742, JX0032
17h 00min
Starlux Airlines
$1,180
found 3 days ago
Seattle-Tacoma
Bangkok
Outbound
05/08/26
1 Stopover (ICN)
AS0171, OZ0741
19h 40min
Return
05/22/26
1 Stopover (ICN)
TG0652, AS0172
19h 35min
Alaska Airlines, Asiana Airlines ?
$1,188
found 3 days ago
Seattle-Tacoma
Bangkok
Outbound
05/08/26
2 Stopovers (SFO, HKG)
CX7869, CX0879, CX0617
27h 00min
Return
05/22/26
1 Stopover (HKG)
CX0706, CX0852
31h 40min
Cathay Pacific Airways
$1,250
found 3 days ago
Seattle-Tacoma
Bangkok
Outbound
05/08/26
1 Stopover (TPE)
BR0025, BR0075
18h 35min
Return
05/22/26
1 Stopover (TPE)
BR0206, BR0026
31h 55min
EVA Airways ?
$1,256
found 3 days ago
Seattle-Tacoma
Bangkok
Outbound
05/08/26
2 Stopovers (SFO, NRT)
UA0499, UA0837, UA7971
26h 47min
Return
05/22/26
1 Stopover (LAX)
UA0821, UA0325
36h 53min
United Airlines ?
$1,440
found 3 days ago
Seattle-Tacoma
Bangkok
Outbound
05/08/26
3 Stopovers (TPE, MNL, SIN)
BR0023, BR0277, TR0591, TR0626
52h 45min
Return
05/22/26
3 Stopovers (ICN, LAX, DEN)
KE0658, KE0011, F94946, F94545
50h 26min
EVA Airways, Scoot ?
$1,478
found 3 days ago
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 $1,113.70
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