Cheap Flights from Bangkok to Seattle, WA from $320

Return flight: Seattle – Bangkok

On Cheapflightsplus.com you will find 1000 connecting flights from Bangkok to Seattle. You can compare airfare deals from 57 airlines and multiple travel sites from $320, book and save on cheap plane tickets and last minute offers. Also check out BKK-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Bangkok to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $320 (one-way), $549 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Bangkok to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
01:20 — 14:45
01:20 — 08:45 OZ742 Asiana Airlines
Bangkok — Seoul
11h 50m stop
20:35 — 14:45 HA872 Hawaiian Airlines
Seoul — Seattle
27h 25m
including layover
Find flight
from$546
02:35 — 10:40
02:35 — 10:15 KE656 Korean Air
Bangkok — Seoul
6h 25m stop
16:40 — 10:50 KE41 Korean Air
Seoul — Seattle
22h 5m
including layover
Find flight
from$405
02:40 — 19:20
02:40 — 07:25 CI838 China Airlines
Bangkok — Taipei
16h 5m stop
23:30 — 19:45 CI22 China Airlines
Taipei — Seattle
30h 40m
including layover
Find flight
from$367
06:15 — 16:10
06:15 — 11:10 SL394 Thai Lion Air
Bangkok — Taipei
9h stop
20:10 — 16:35 JX32 Jambojet
Taipei — Seattle
23h 55m
including layover
Find flight
from$489
07:00 — 14:25
07:00 — 15:20 NH806 All Nippon Airways
Bangkok — Tokyo
5h 55m stop
21:15 — 14:25 NH118 All Nippon Airways
Tokyo — Seattle
21h 25m
including layover
Find flight
from$468
07:25 — 16:10
07:25 — 12:20 FD230 Thai AirAsia
Bangkok — Taipei
7h 50m stop
20:10 — 16:35 JX32 Jambojet
Taipei — Seattle
22h 45m
including layover
Find flight
from$483
08:25 — 18:50
08:25 — 13:05 TG632 Thai Airways
Bangkok — Taipei
9h 55m stop
23:00 — 19:10 TG6240 Thai Airways
Taipei — Seattle
24h 25m
including layover
Find flight
from$437
08:25 — 19:30
08:25 — 13:05 TG632 Thai Airways
Bangkok — Taipei
10h 35m stop
23:40 — 19:50 TG6262 Thai Airways
Taipei — Seattle
25h 5m
including layover
Find flight
from$437
09:35 — 14:25
09:25 — 17:10 NH848 All Nippon Airways
Bangkok — Tokyo
3h 15m stop
21:15 — 13:20 NH118 All Nippon Airways
Tokyo — Seattle
18h 50m
including layover
Find flight
from$460
09:50 — 10:40
+1 day
09:50 — 17:20 KE660 Korean Air
Bangkok — Seoul
23h 20m stop
16:40 — 10:50 KE41 Korean Air
Seoul — Seattle
38h 50m
including layover
Find flight
from$405
10:50 — 19:20
10:50 — 15:30 CI834 China Airlines
Bangkok — Taipei
8h stop
23:30 — 19:45 CI22 China Airlines
Taipei — Seattle
22h 30m
including layover
Find flight
from$368
10:50 — 08:45
+1 day
10:50 — 14:15 SQ8547 Singapore Airlines
Bangkok — Singapore
18h 45m stop
09:00 — 08:45 SQ28 Singapore Airlines
Singapore — Seattle
35h 55m
including layover
Find flight
from$495
12:40 — 18:50
12:40 — 17:20 TG634 Thai Airways
Bangkok — Taipei
5h 40m stop
23:00 — 19:10 TG6240 Thai Airways
Taipei — Seattle
20h 10m
including layover
Find flight
from$437
12:40 — 19:30
12:40 — 17:20 TG634 Thai Airways
Bangkok — Taipei
6h 20m stop
23:40 — 19:50 TG6262 Thai Airways
Taipei — Seattle
20h 50m
including layover
Find flight
from$437
13:20 — 19:20
13:20 — 18:00 CI832 China Airlines
Bangkok — Taipei
5h 30m stop
23:30 — 19:45 CI22 China Airlines
Taipei — Seattle
20h
including layover
Find flight
from$368
13:30 — 19:15
13:30 — 18:00 PR731 Philippine Airlines
Bangkok — Manila
4h 20m stop
22:20 — 19:15 PR124 Philippine Airlines
Manila — Seattle
19h 45m
including layover
Find flight
from$348
15:10 — 19:20
15:10 — 20:00 BR202 EVA Airways Corporation
Bangkok — Taipei
3h 30m stop
23:30 — 19:20 CI22 China Airlines
Taipei — Seattle
18h 10m
including layover
Find flight
from$546
15:25 — 08:45
+1 day
15:25 — 19:00 SQ8613 Singapore Airlines
Bangkok — Singapore
14h stop
09:00 — 08:45 SQ28 Singapore Airlines
Singapore — Seattle
31h 20m
including layover
Find flight
from$495
16:45 — 19:20
16:45 — 21:30 BR68 EVA Airways Corporation
Bangkok — Taipei
2h stop
23:30 — 19:20 CI22 China Airlines
Taipei — Seattle
16h 35m
including layover
Find flight
from$554
16:45 — 18:50
16:45 — 21:30 BR68 EVA Airways Corporation
Bangkok — Taipei
1h 30m stop
23:00 — 19:10 BR24 EVA Airways Corporation
Taipei — Seattle
16h 5m
including layover
Find flight
from$578
17:30 — 19:20
17:30 — 22:05 CI836 China Airlines
Bangkok — Taipei
1h 25m stop
23:30 — 19:45 CI22 China Airlines
Taipei — Seattle
15h 50m
including layover
Find flight
from$368
17:50 — 16:10
+1 day
17:50 — 22:40 JX746 Jambojet
Bangkok — Taipei
21h 30m stop
20:10 — 16:35 JX32 Jambojet
Taipei — Seattle
36h 20m
including layover
Find flight
from$388
18:30 — 08:45
+1 day
18:30 — 21:55 SQ711 Singapore Airlines
Bangkok — Singapore
11h 5m stop
09:00 — 08:45 SQ28 Singapore Airlines
Singapore — Seattle
28h 15m
including layover
Find flight
from$508
18:40 — 19:15
+1 day
18:40 — 23:10 PR737 Philippine Airlines
Bangkok — Manila
23h 10m stop
22:20 — 19:15 PR124 Philippine Airlines
Manila — Seattle
38h 35m
including layover
Find flight
from$320
20:00 — 12:45
+1 day
18:55 — 22:30 QR835 Qatar Airways
Bangkok — Doha
9h 20m stop
08:00 — 11:40 QR719 Qatar Airways
Doha — Seattle
30h 45m
including layover
Find flight
from$459
20:25 — 08:45
+1 day
20:25 — 23:45 SQ8617 Singapore Airlines
Bangkok — Singapore
9h 15m stop
09:00 — 08:45 SQ28 Singapore Airlines
Singapore — Seattle
26h 20m
including layover
Find flight
from$495
21:05 — 12:45
+1 day
20:20 — 23:55 QR829 Qatar Airways
Bangkok — Doha
8h 15m stop
08:00 — 11:40 QR719 Qatar Airways
Doha — Seattle
29h 40m
including layover
Find flight
from$459
21:40 — 10:40
+1 day
21:40 — 05:05 KE658 Korean Air
Bangkok — Seoul
11h 35m stop
16:40 — 10:50 KE41 Korean Air
Seoul — Seattle
27h
including layover
Find flight
from$405
22:05 — 10:25
+1 day
22:05 — 06:20 JL34 Japan Airlines - JAL
Bangkok — Tokyo
11h 25m stop
17:45 — 10:35 JL68 Japan Airlines - JAL
Tokyo — Seattle
26h 20m
including layover
Find flight
from$475
23:20 — 19:15
+1 day
23:20 — 03:50 PR733 Philippine Airlines
Bangkok — Manila
18h 30m stop
22:20 — 19:15 PR124 Philippine Airlines
Manila — Seattle
33h 55m
including layover
Find flight
from$320
23:30 — 10:40
+1 day
23:30 — 06:55 KE652 Korean Air
Bangkok — Seoul
9h 45m stop
16:40 — 10:50 KE41 Korean Air
Seoul — Seattle
25h 10m
including layover
Find flight
from$406
*Departure and arrival times - local. Updated on June 3, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Bangkok to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Bangkok and Seattle is 11989 miles. Time difference between the cities is 3h. Airplanes depart 00:05 to 23:59 from 2 Bangkok airports and arrive 00:05 to 23:59 to 3 Seattle airports. Average flight time is 28h 55m.

  • The fastest flight 15h 50m
  • Average flight time 28h 55m
  • The earliest flight 00:05
  • The latest flight 23:59
  • Distance 7450 ml

The cheapest months to travel to Seattle are october (from 427 $), september (from 437 $), august (from 439 $).

The most expensive months are december (from 856 $), january (from 853 $), february (from 793 $).

What is the lowest airfare Bangkok to Seattle?

The cheapest plane ticket found by our users is $320. This airfare is for economy class on one-way PR733 flight by Philippine Airlines for October 7, 2025 which leaves Suvarnabhumi in Bangkok at 23:20 am and arrives at Seattle Seattle-Tacoma Intl at 19:15.

Economy class
$320
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Business class
?
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First class
?
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Popular Airlines on the Route

The flight Bangkok — Seattle is served by 57 regular airlines and 15 low-cost airlines. Most of the flights on this route are operated by Nok Air - 1 departures per week at the price of from $ 480 . And the most expensive tickets are offered by All Nippon Airways airline - from $ 2214.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 1000 flights with layovers on the route. The fastest connecting flight is CI836 by China Airlines takes 15h 50m and the cheapest is PR733 by Philippine Airlines for $320.

  • DD - Nok Air
    from $480
    Find
  • DE - Condor Airlines
    from $763
    Find
  • PR - Philippine Airlines
    from $320
    Find
  • 3U - Sichuan Airlines
    from $381
    Find
  • HO - Juneyao Airlines
    from $1950
    Find
  • UA - United Airlines
    from $490
    Find
  • LX - SWISS International Air Lines
    from $919
    Find
  • HU - Hainan Airlines
    from $607
    Find
  • HX - Hong Kong Airlines
    from $445
    Find
  • YP - YP
    from $745
    Find
  • Z2 - AirAsia Zest
    from $473
    Find
  • UO - Hong Kong Express Airways
    from $422
    Find
See more connecting flights

Airports

You can fly from Bangkok to Seattle from 2 airports (Suvarnabhumi, Don Muang).

Bangkok airports

  • Suvarnabhumi-BKK
    from $320
    Find
  • Don Muang-DMK
    from $425
    Find

Seattle airports

  • Boeing Field International Airport-BFI
    Find
  • Seattle-Tacoma Intl-SEA
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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