Cheap Flights from Seattle, WA to Bangkok from $437

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On Cheapflightsplus.com you will find 176 connecting flights from Seattle to Bangkok. You can compare airfare deals from 18 airlines and multiple travel sites from $437, book and save on cheap plane tickets and last minute offers. Also check out SEA-BKK flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Bangkok 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: $437 (one-way), $749 (round-trip).

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Best Flights from Seattle to Bangkok Today

Take a look at the list of non stop flights and flights with layovers from Seattle to Bangkok with the lowest price of $437. Take a look at the list of flights with layovers from Seattle to Bangkok from $437. There’re no direct flights. The fastest connecting flight – 18h 40m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $437 Find flight	12:45 Seattle Seattle-Tacoma Intl	00:20+2 дня Bangkok Suvarnabhumi	20h 35m layover 2h 30m - Seoul	Asiana Airlines	OZ271 OZ743
from $465 Find flight	11:00 Seattle Seattle-Tacoma Intl	21:30+1 день Bangkok Suvarnabhumi	19h 30m layover 1h 25m - Seoul	Korean Air	KE42 KE651
from $496 Find flight	00:10 Seattle Seattle-Tacoma Intl	13:05+1 день Bangkok Suvarnabhumi	21h 55m layover 4h 45m - Taipei	China Airlines	CI21 CI831
from $527 Find flight	15:45 Seattle Seattle-Tacoma Intl	05:10+2 дня Bangkok Suvarnabhumi	22h 25m layover 4h 50m - Tokyo	All Nippon Airways	NH117 NH849
from $527 Find flight	15:45 Seattle Seattle-Tacoma Intl	06:35+2 дня Bangkok Suvarnabhumi	23h 50m layover 6h 15m - Tokyo	All Nippon Airways	NH117 NH877
from $527 Find flight	15:45 Seattle Seattle-Tacoma Intl	16:20+2 дня Bangkok Suvarnabhumi	33h 35m layover 15h 50m - Tokyo	All Nippon Airways	NH117 NH847
from $539 Find flight	15:45 Seattle Seattle-Tacoma Intl	00:05+3 дня Bangkok Suvarnabhumi	41h 20m layover 23h 25m - Tokyo	All Nippon Airways	NH117 NH805
from $545 Find flight	00:10 Seattle Seattle-Tacoma Intl	10:45+1 день Bangkok Suvarnabhumi	19h 35m layover 2h 25m - Taipei	EVA Airways Corporation	BR25 BR75
from $545 Find flight	00:10 Seattle Seattle-Tacoma Intl	11:10+1 день Bangkok Suvarnabhumi	20h 0m layover 2h 55m - Taipei	EVA Airways Corporation	BR25 BR67
from $545 Find flight	00:10 Seattle Seattle-Tacoma Intl	12:35+1 день Bangkok Suvarnabhumi	21h 25m layover 4h 30m - Taipei	EVA Airways Corporation	BR25 BR201
from $545 Find flight	00:10 Seattle Seattle-Tacoma Intl	23:40+1 день Bangkok Suvarnabhumi	32h 30m layover 15h 35m - Taipei	EVA Airways Corporation	BR25 BR205
from $545 Find flight	00:10 Seattle Seattle-Tacoma Intl	01:25+2 дня Bangkok Suvarnabhumi	34h 15m layover 17h 20m - Taipei	EVA Airways Corporation	BR25 BR61
from $547 Find flight	22:35 Seattle Seattle-Tacoma Intl	12:20+2 дня Bangkok Suvarnabhumi	22h 45m layover 5h 0m - Manila	Philippine Airlines	PR125 PR730
from $547 Find flight	22:35 Seattle Seattle-Tacoma Intl	17:45+2 дня Bangkok Suvarnabhumi	28h 10m layover 10h 20m - Manila	Philippine Airlines	PR125 PR736
from $523 Find flight	10:35 Seattle Seattle-Tacoma Intl	16:20+2 дня Bangkok Suvarnabhumi	38h 45m layover 3h 33m - Vancouver 16h 20m - Tokyo	All Nippon Airways	NH5391 NH115 NH847
from $542 Find flight	12:30 Seattle Seattle-Tacoma Intl	05:00+2 дня Bangkok Suvarnabhumi	25h 30m layover 2h 45m - Tokyo 4h 50m - Osaka	Japan Airlines - JAL	JL67 JL3009 JL727

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on February 23, 2025

Flight Schedule Seattle (Washington) to Bangkok

Full flight schedule will help you in detecting at what time planes fly from Seattle to Bangkok. 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	Flight Details	Flight Duration	Price
00:10 — 13:05 +1 day	00:10 — 05:20 CI21 China Airlines Seattle — Taipei 4h 45m stop 10:05 — 13:05 CI831 China Airlines Taipei — Bangkok	21h 55m including layover	Find flight from$496
00:10 — 16:45 +1 day	00:10 — 05:20 CI21 China Airlines Seattle — Taipei 8h 30m stop 13:50 — 16:45 CI835 China Airlines Taipei — Bangkok	25h 35m including layover	Find flight from$496
05:45 — 06:15 +2 days	05:45 — 06:52 AC8801 Air Canada Seattle — Vancouver 15h 53m stop 22:45 — 06:15 AC65 Air Canada Vancouver — Bangkok	33h 30m including layover	Find flight from$782
10:50 — 23:20 +1 day	10:35 — 16:15 KE5020 Korean Air Seattle — Seoul 2h 50m stop 19:05 — 23:20 KE653 Korean Air Seoul — Bangkok	21h 30m including layover	Find flight from$588
11:00 — 21:30 +1 day	11:00 — 15:55 KE42 Korean Air Seattle — Seoul 1h 25m stop 17:20 — 21:30 KE651 Korean Air Seoul — Bangkok	19h 30m including layover	Find flight from$465
11:00 — 23:20 +1 day	11:00 — 15:55 KE42 Korean Air Seattle — Seoul 3h 10m stop 19:05 — 23:20 KE653 Korean Air Seoul — Bangkok	21h 20m including layover	Find flight from$465
12:45 — 00:20 +2 days	12:40 — 17:50 OZ271 Asiana Airlines Seattle — Seoul 2h 30m stop 20:20 — 00:20 OZ743 Asiana Airlines Seoul — Bangkok	20h 35m including layover	Find flight from$437
15:45 — 05:10 +2 days	12:30 — 14:50 NH117 All Nippon Airways Seattle — Tokyo 4h 50m stop 00:05 — 04:35 NH849 All Nippon Airways Tokyo — Bangkok	22h 25m including layover	Find flight from$527
15:45 — 06:35 +2 days	15:45 — 19:15 NH117 All Nippon Airways Seattle — Tokyo 6h 15m stop 01:30 — 06:35 NH877 All Nippon Airways Tokyo — Bangkok	23h 50m including layover	Find flight from$527
16:05 — 06:40 +2 days	17:30 — 17:40 QR720 Qatar Airways Seattle — Doha 2h 40m stop 19:55 — 07:05 QR830 Qatar Airways Doha — Bangkok	23h 35m including layover	Find flight from$786
16:05 — 12:50 +2 days	16:05 — 17:40 QR720 Qatar Airways Seattle — Doha 8h 50m stop 02:30 — 12:50 QR836 Qatar Airways Doha — Bangkok	29h 45m including layover	Find flight from$786
22:35 — 12:20 +2 days	22:35 — 04:45 PR125 Philippine Airlines Seattle — Manila 5h stop 09:45 — 12:20 PR730 Philippine Airlines Manila — Bangkok	22h 45m including layover	Find flight from$547
22:35 — 17:45 +2 days	22:35 — 04:45 PR125 Philippine Airlines Seattle — Manila 10h 20m stop 15:05 — 17:45 PR736 Philippine Airlines Manila — Bangkok	28h 10m including layover	Find flight from$547
07:15 — 16:20 +2 days	05:15 — 07:29 NH7327 All Nippon Airways Seattle — San Francisco 14h 44m stop 00:20 — 04:50 NH107 All Nippon Airways San Francisco — Tokyo 6h 15m stop 11:05 — 16:20 NH847 All Nippon Airways Tokyo — Bangkok	42h 5m including layover	Find flight from$553
07:15 — 06:35 +2 days	07:05 — 09:25 NH7327 All Nippon Airways Seattle — San Francisco 1h 24m stop 11:00 — 15:20 NH7 All Nippon Airways San Francisco — Tokyo 10h 10m stop 01:30 — 06:35 NH877 All Nippon Airways Tokyo — Bangkok	32h 20m including layover	Find flight from$558
10:35 — 16:20 +2 days	10:35 — 11:42 NH5391 All Nippon Airways Seattle — Vancouver 3h 33m stop 15:15 — 18:45 NH115 All Nippon Airways Vancouver — Tokyo 16h 20m stop 11:05 — 16:20 NH847 All Nippon Airways Tokyo — Bangkok	38h 45m including layover	Find flight from$523
12:30 — 05:00 +2 days	12:10 — 15:40 JL67 Japan Airlines - JAL Seattle — Tokyo 2h 45m stop 18:25 — 19:50 JL3009 Japan Airlines - JAL Tokyo — Osaka 4h 50m stop 00:45 — 05:00 JL727 Japan Airlines - JAL Osaka — Bangkok	25h 30m including layover	Find flight from$542

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*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 Seattle to Bangkok depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Bangkok is 11989 miles. Time difference between the cities is 3h. Airplanes depart 00:10 to 23:59 from 3 Seattle airports and arrive 00:10 to 23:59 to 2 Bangkok airports. Average flight time is 27h 25m.

The fastest flight 18h 40m
Average flight time 27h 25m
The earliest flight 00:10
The latest flight 23:59
Distance 7450 ml

The cheapest months to travel to Bangkok are november (from 437 $), february (from 451 $), january (from 508 $).

The most expensive months are december (from 662 $), january (from 508 $), february (from 451 $).

What is the lowest airfare Seattle to Bangkok?

The cheapest plane ticket found by our users is $437. This airfare is for economy class on one-way OZ271 flight by Asiana Airlines for February 21, 2025 which leaves Seattle-Tacoma Intl in Seattle at 12:45 am and arrives at Bangkok Suvarnabhumi at 00:20.

Economy class

$437

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Business class

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First class

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Popular Airlines on the Route

The flight Seattle — Bangkok is served by 18 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Qatar Airways - 6 departures per week at the price of from $ 786 . And the most expensive tickets are offered by Air Canada airline - from $ 1142.

Direct flights

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

Connecting Flights

There are 176 flights with layovers on the route. The fastest connecting flight is CI21 by China Airlines takes 18h 40m and the cheapest is OZ271 by Asiana Airlines for $437.

QR - Qatar Airways

from $786

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JL - Japan Airlines - JAL

from $542

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PR - Philippine Airlines

from $547

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AC - Air Canada

from $782

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CI - China Airlines

from $496

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OZ - Asiana Airlines

from $437

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UA - United Airlines

from $578

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BR - EVA Airways Corporation

from $545

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AS - Alaska Airlines

from $637

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F9 - Frontier Airlines

from $605

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TG - Thai Airways

from $647

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CX - Cathay Pacific

from $771

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See more connecting flights

Airports

You can fly from Seattle to Bangkok from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

Boeing Field International Airport-BFI

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Seattle-Tacoma Intl-SEA

from $437
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Kenmore Air Harbor SPB-LKE

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Bangkok airports

Suvarnabhumi-BKK

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Don Muang-DMK

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Airplanes

There are flights to Bangkok from Seattle by 18 airlines that use 3 aircraft brands. They range from huge modern airplanes to small-sized.

Boeing 787

from $527

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Boeing 777-300ER

from $786

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Boeing 737-100/200

from $958

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Top Domestic Destinations from Seattle

You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.

Seattle — Spokane

from $65

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from $75

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Seattle — Tucson

from $79

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Seattle — Denver

from $243

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Seattle — San Antonio

from $54

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Top International Destinations from Seattle

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Seattle — Frankfurt

from $60

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Seattle — Sydney

from $56

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Seattle — Dublin

from $76

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Seattle — London

from $70

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Seattle — Berlin

from $67

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Seattle — Rome

from $59

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Seattle — Manila

from $56

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Seattle — Barcelona

from $78

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Seattle — Dubai

from $79

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Seattle — Venice

from $53

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How to book a plane 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.
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