Cheap Flights from Bangkok to Seattle, WA from $510

Return flight: Seattle – Bangkok

On Cheapflightsplus.com you will find 32 connecting flights from Bangkok to Seattle. You can compare airfare deals from 19 airlines and multiple travel sites from $510, 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: $510 (one-way), $875 (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
02:35 — 18:15
02:35 — 07:15 CI838 China Airlines
Bangkok — Taipei
16h 20m stop
23:35 — 18:15 CI22 China Airlines
Taipei — Seattle
30h 40m
including layover
Find flight
from$510
07:10 — 13:20
07:00 — 15:20 NH806 All Nippon Airways
Bangkok — Tokyo
6h 10m stop
21:15 — 14:25 NH118 All Nippon Airways
Tokyo — Seattle
21h 10m
including layover
Find flight
from$522
09:25 — 13:20
09:25 — 17:10 UA7990 United Airlines
Bangkok — Tokyo
4h 5m stop
21:15 — 13:20 UA7930 United Airlines
Tokyo — Seattle
18h 55m
including layover
Find flight
from$743
10:55 — 18:15
10:55 — 15:25 CI834 China Airlines
Bangkok — Taipei
8h 10m stop
23:35 — 18:15 CI22 China Airlines
Taipei — Seattle
22h 20m
including layover
Find flight
from$573
14:05 — 18:15
14:05 — 18:40 CI832 China Airlines
Bangkok — Taipei
4h 55m stop
23:35 — 18:15 CI22 China Airlines
Taipei — Seattle
19h 10m
including layover
Find flight
from$510
22:50 — 13:20
+1 day
22:50 — 06:30 NH850 All Nippon Airways
Bangkok — Tokyo
14h 45m stop
21:15 — 13:20 NH118 All Nippon Airways
Tokyo — Seattle
29h 30m
including layover
Find flight
from$511
23:15 — 09:00
+1 day
23:30 — 06:55 KE652 Korean Air
Bangkok — Seoul
9h 30m stop
16:35 — 10:50 KE41 Korean Air
Seoul — Seattle
24h 45m
including layover
Find flight
from$533
07:10 — 18:29
07:10 — 15:05 UA7968 United Airlines
Bangkok — Tokyo
1h 45m stop
16:45 — 09:10 UA838 United Airlines
Tokyo — San Francisco
6h 55m stop
16:23 — 18:41 UA2603 United Airlines
San Francisco — Seattle
26h 19m
including layover
Find flight
from$562
08:00 — 09:57
+1 day
08:00 — 11:45 AC7408 Air Canada
Bangkok — Hong Kong
8h 40m stop
20:25 — 16:00 AC8 Air Canada
Hong Kong — Vancouver
16h 50m stop
08:50 — 09:57 AC8798 Air Canada
Vancouver — Seattle
40h 57m
including layover
Find flight
from$539
08:10 — 16:59
+1 day
08:10 — 11:45 QR831 Qatar Airways
Bangkok — Doha
20h 5m stop
07:50 — 12:35 QR737 Qatar Airways
Doha — San Francisco
2h 8m stop
14:41 — 16:59 QR2193 Qatar Airways
San Francisco — Seattle
47h 49m
including layover
Find flight
from$728
09:20 — 18:15
09:20 — 13:05 SL360 Thai Lion Air
Bangkok — Hong Kong
4h 30m stop
17:35 — 19:20 CI916 China Airlines
Hong Kong — Taipei
4h 15m stop
23:35 — 18:15 CI22 China Airlines
Taipei — Seattle
23h 55m
including layover
Find flight
from$766
10:50 — 18:15
10:50 — 14:40 UO795 Hong Kong Express Airways
Bangkok — Hong Kong
2h 55m stop
17:35 — 19:20 CI916 China Airlines
Hong Kong — Taipei
4h 15m stop
23:35 — 18:15 CI22 China Airlines
Taipei — Seattle
22h 25m
including layover
Find flight
from$748
11:40 — 17:55
11:40 — 15:30 CX750 Cathay Pacific
Bangkok — Hong Kong
1h 10m stop
16:40 — 13:20 CX882 Cathay Pacific
Hong Kong — Los Angeles
1h 40m stop
15:00 — 17:55 CX7938 Cathay Pacific
Los Angeles — Seattle
21h 15m
including layover
Find flight
from$1071
11:45 — 18:10
11:45 — 13:10 VJ802 VietJet Air
Bangkok — Ho Chi Minh City
2h 35m stop
15:45 — 20:00 BR396 EVA Airways Corporation
Ho Chi Minh City — Taipei
3h 40m stop
23:40 — 18:10 BR26 EVA Airways Corporation
Taipei — Seattle
21h 25m
including layover
Find flight
from$913
12:00 — 18:15
12:00 — 15:50 HB282 HB
Bangkok — Hong Kong
4h 15m stop
20:05 — 21:50 CI920 China Airlines
Hong Kong — Taipei
1h 45m stop
23:35 — 18:15 CI22 China Airlines
Taipei — Seattle
21h 15m
including layover
Find flight
from$769
12:00 — 18:15
12:00 — 15:50 HB282 HB
Bangkok — Hong Kong
1h 45m stop
17:35 — 19:20 CI916 China Airlines
Hong Kong — Taipei
4h 15m stop
23:35 — 18:15 CI22 China Airlines
Taipei — Seattle
21h 15m
including layover
Find flight
from$779
13:10 — 18:15
13:10 — 14:25 PG933 Bangkok Airways
Bangkok — Phnom Penh
2h 55m stop
17:20 — 21:40 CI864 China Airlines
Phnom Penh — Taipei
1h 55m stop
23:35 — 18:15 CI22 China Airlines
Taipei — Seattle
20h 5m
including layover
Find flight
from$855
13:50 — 18:10
13:50 — 17:25 FD764 Thai AirAsia
Bangkok — Macau
2h 50m stop
20:15 — 22:00 BR806 EVA Airways Corporation
Macau — Taipei
1h 40m stop
23:40 — 18:10 BR26 EVA Airways Corporation
Taipei — Seattle
19h 20m
including layover
Find flight
from$930
14:00 — 14:30
+1 day
14:00 — 17:45 AC7410 Air Canada
Bangkok — Hong Kong
2h 40m stop
20:25 — 16:00 AC8 Air Canada
Hong Kong — Vancouver
21h 25m stop
13:25 — 14:30 AC8804 Air Canada
Vancouver — Seattle
39h 30m
including layover
Find flight
from$539
18:55 — 11:20
+1 day
18:55 — 22:30 QR835 Qatar Airways
Bangkok — Doha
3h 20m stop
01:50 — 06:25 QR11 Qatar Airways
Doha — London
3h stop
09:25 — 11:20 IB3509 Iberia
London — Seattle
31h 25m
including layover
Find flight
from$1325
20:20 — 11:20
+1 day
20:20 — 23:55 QR829 Qatar Airways
Bangkok — Doha
1h 55m stop
01:50 — 06:25 QR11 Qatar Airways
Doha — London
3h stop
09:25 — 11:20 IB3509 Iberia
London — Seattle
30h
including layover
Find flight
from$1392
20:35 — 11:40
+1 day
20:35 — 00:50 EK373 Emirates
Bangkok — Dubai
4h 30m stop
05:20 — 05:35 QR1003 Qatar Airways
Dubai — Doha
2h 30m stop
08:00 — 11:40 QR719 Qatar Airways
Doha — Seattle
30h 5m
including layover
Find flight
from$1613
22:50 — 07:10
+1 day
22:50 — 02:15 QZ259 Indonesia AirAsia
Bangkok — Jakarta
3h 10m stop
05:25 — 08:10 SQ951 Singapore Airlines
Jakarta — Singapore
55m stop
09:00 — 07:10 SQ28 Singapore Airlines
Singapore — Seattle
23h 20m
including layover
Find flight
from$903
23:59 — 18:10
+1 day
23:59 — 07:20 TG622 Thai Airways
Bangkok — Osaka
10h 40m stop
18:00 — 20:15 BR129 EVA Airways Corporation
Osaka — Taipei
3h 25m stop
23:40 — 18:10 BR26 EVA Airways Corporation
Taipei — Seattle
33h 11m
including layover
Find flight
from$1055
*Departure and arrival times - local. Updated on February 23, 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 02:35 to 23:59 from 2 Bangkok airports and arrive 02:35 to 23:59 to 3 Seattle airports. Average flight time is 22h 58m.

  • The fastest flight 18h 55m
  • Average flight time 22h 58m
  • The earliest flight 02:35
  • The latest flight 23:59
  • Distance 7450 ml

The cheapest months to travel to Seattle are november (from 510 $), february (from 510 $), december (from 516 $).

The most expensive months are july (from 1 133 $), march (from 766 $), january (from 534 $).

What is the lowest airfare Bangkok to Seattle?

The cheapest plane ticket found by our users is $510. This airfare is for economy class on one-way CI838 flight by China Airlines for February 25, 2025 which leaves Suvarnabhumi in Bangkok at 02:35 am and arrives at Seattle Seattle-Tacoma Intl at 18:15.

Economy class
$510
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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 19 regular airlines and 6 low-cost airlines. Most of the flights on this route are operated by Qatar Airways - 4 departures per week at the price of from $ 728 . And the most expensive tickets are offered by Qatar Airways airline - from $ 1724.

Direct flights

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

Connecting Flights

There are 32 flights with layovers on the route. The fastest connecting flight is UA7990 by United Airlines takes 18h 55m and the cheapest is CI838 by China Airlines for $510.

  • QR - Qatar Airways
    from $728
    Find
  • AC - Air Canada
    from $539
    Find
  • CI - China Airlines
    from $510
    Find
  • EK - Emirates
    from $1613
    Find
  • ZA - Interavia Airlines
    from $832
    Find
  • QZ - Indonesia AirAsia
    from $903
    Find
  • OZ - Asiana Airlines
    from $1206
    Find
  • UA - United Airlines
    from $562
    Find
  • TG - Thai Airways
    from $1055
    Find
  • VJ - VietJet Air
    from $913
    Find
  • CX - Cathay Pacific
    from $1071
    Find
  • PG - Bangkok Airways
    from $855
    Find
See more connecting flights

Airports

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

Bangkok airports

  • Suvarnabhumi-BKK
    from $510
    Find
  • Don Muang-DMK
    from $748
    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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