What is the cheapest airline that flies from Bangkok to Seattle/Tacoma Intl?

STARLUX Airlines, Delta, and Emirates are the most popular carriers operating from Bangkok to Seattle/Tacoma Intl

What airlines fly to Seattle?

EVA Air, Asiana Airlines and Delta are the top three most popular airlines that fly to Seattle from Bangkok according to our data. EVA Air is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Bangkok to Seattle/Tacoma Intl Airport?

Prices for flights from Bangkok to Seattle/Tacoma Intl Airport were last updated today.

How many operators does momondo search for flights from Bangkok to Seattle/Tacoma Intl Airport?

The number of operators available for flights from Bangkok to Seattle/Tacoma Intl Airport is 6 as of August 2026.

How old do you have to be to fly from Bangkok to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bangkok to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$491 Cheap Flights from Bangkok to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bangkok to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 am - 10:40 amBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

22h 05m1 stop Incheon Intl

12:50 pm - 9:45 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

18h 55m1 stop Incheon Intl

$754Korean Air

Tue, Sep 29 - Wed, Oct 7

1:35 am - 3:15 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

27h 40m1 stop Incheon Intl

12:10 am - 11:35 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

33h 25m1 stop Incheon Intl

$772Asiana Airlines

Thu, Oct 1 - Tue, Oct 13

11:45 am - 3:15 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

17h 30m1 stop Incheon Intl

12:10 am - 11:15 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

21h 05m1 stop Incheon Intl

$772Asiana Airlines

Tue, Oct 20 - Tue, Oct 27

12:55 am - 10:00 amBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

23h 05m1 stop Incheon Intl

11:00 am - 11:20 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

21h 20m1 stop Incheon Intl

$773Korean Air

Sat, Oct 31 - Wed, Nov 4

9:40 pm - 1:14 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

29h 34m1 stop Incheon Intl

12:35 pm - 11:20 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

19h 45m1 stop Incheon Intl

$798Delta

Sun, Oct 11 - Wed, Nov 11

9:40 pm - 1:14 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

29h 34m1 stop Incheon Intl

12:35 pm - 11:20 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

19h 45m1 stop Incheon Intl

$798Delta

Wed, Oct 14 - Wed, Nov 11

10:50 am - 7:15 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

22h 25m1 stop Taipei City Taiwan Taoyuan Intl

1:15 am - 12:10 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

20h 55m1 stop Taipei City Taiwan Taoyuan Intl

$801China Airlines

Sat, Oct 10 - Sun, Oct 18

1:10 pm - 4:10 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

17h 00m1 stop Taipei City Taiwan Taoyuan Intl

1:15 am - 12:00 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

$815STARLUX Airlines

Wed, Oct 7 - Fri, Oct 16

1:10 pm - 4:10 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

17h 00m1 stop Taipei City Taiwan Taoyuan Intl

1:15 am - 4:40 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

25h 25m1 stop Taipei City Taiwan Taoyuan Intl

$815STARLUX Airlines

Wed, Sep 30 - Sun, Oct 11

2:05 pm - 6:10 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

19h 05m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 1:35 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

34h 25m1 stop Taipei City Taiwan Taoyuan Intl

$817China Airlines

Tue, Dec 1 - Sun, Dec 27

Cheap last minute flights

Enter your travel dates to find the best prices.

11:30 pm - 1:37 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

28h 07m1 stop Incheon Intl

1:00 pm - 9:45 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

18h 45m1 stop Incheon Intl

$807Delta

Wed, Aug 26 - Fri, Sep 11

11:30 pm - 1:37 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

28h 07m1 stop Incheon Intl

1:00 pm - 1:35 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

34h 35m1 stop Incheon Intl

$807Delta

Wed, Aug 26 - Wed, Sep 9

11:30 pm - 1:37 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

28h 07m1 stop Incheon Intl

1:00 pm - 9:45 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

18h 45m1 stop Incheon Intl

$807Delta

Wed, Aug 26 - Thu, Sep 10

9:35 am - 9:58 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

26h 23m2 stops Tokyo Haneda Los Angeles Los Angeles

4:30 pm - 4:35 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

22h 05m1 stop Tokyo Haneda

$839United Airlines

Wed, Aug 26 - Wed, Sep 9

9:35 am - 9:58 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

26h 23m2 stops Tokyo Haneda Los Angeles Los Angeles

4:30 pm - 4:35 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

22h 05m1 stop Tokyo Haneda

$839United Airlines

Wed, Aug 26 - Fri, Sep 11

8:30 am - 7:10 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

24h 40m1 stop Taipei City Taiwan Taoyuan Intl

2:10 am - 1:05 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

20h 55m1 stop Taipei City Taiwan Taoyuan Intl

$878EVA Air

Sat, Aug 22 - Mon, Aug 24

10:20 am - 8:05 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

23h 45m1 stop Manila Ninoy Aquino Intl

11:10 pm - 12:10 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

23h 00m1 stop Manila Ninoy Aquino Intl

$967Philippine Airlines

Sun, Aug 23 - Tue, Sep 29

8:30 am - 7:50 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

25h 20m1 stop Taipei City Taiwan Taoyuan Intl

1:30 am - 11:10 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

19h 40m1 stop Taipei City Taiwan Taoyuan Intl

$980EVA Air

Sat, Aug 22 - Mon, Sep 28

1:35 am - 3:45 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

28h 10m1 stop Incheon Intl

12:10 am - 11:35 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

33h 25m1 stop Incheon Intl

$1,087Asiana Airlines

Sun, Aug 23 - Mon, Sep 28

11:45 am - 3:45 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

18h 00m1 stop Incheon Intl

12:10 am - 10:40 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

20h 30m1 stop Incheon Intl

$1,087Asiana Airlines

Mon, Aug 24 - Sun, Sep 27

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China Airlines flights from Bangkok to Seattle

Our best China Airlines deals on Bangkok to Seattle flight tickets

China Airlines

Nov 30

BKK2:35 amBangkok Suvarnabhumi

30h 35m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

Dec 27

SEA12:10 amSeattle/Tacoma Intl

25h 35m

1 stop

BKK4:45 pmBangkok Suvarnabhumi

$821

China Airlines

Dec 1

BKK2:05 pmBangkok Suvarnabhumi

19h 05m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

Dec 27

SEA12:10 amSeattle/Tacoma Intl

34h 25m

1 stop

BKK1:35 amBangkok Suvarnabhumi

$822

China Airlines

Oct 3

BKK10:50 amBangkok Suvarnabhumi

22h 25m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Oct 11

SEA1:15 amSeattle/Tacoma Intl

18h 30m

1 stop

BKK9:45 amBangkok Suvarnabhumi

$831

Korean Air flights from Bangkok to Seattle

Our best Korean Air deals on Bangkok to Seattle flight tickets

Korean Air

Sep 29

BKK2:35 amBangkok Suvarnabhumi

22h 05m

1 stop

SEA10:40 amSeattle/Tacoma Intl

Oct 7

SEA12:50 pmSeattle/Tacoma Intl

18h 55m

1 stop

BKK9:45 pmBangkok Suvarnabhumi

$754

Korean Air

Oct 31

BKK12:55 amBangkok Suvarnabhumi

23h 05m

1 stop

SEA10:00 amSeattle/Tacoma Intl

Nov 5

SEA11:00 amSeattle/Tacoma Intl

22h 45m

1 stop

BKK12:45 amBangkok Suvarnabhumi

$773

Korean Air

Sep 10

BKK9:50 amBangkok Suvarnabhumi

38h 50m

1 stop

SEA10:40 amSeattle/Tacoma Intl

Sep 25

SEA12:50 pmSeattle/Tacoma Intl

18h 55m

1 stop

BKK9:45 pmBangkok Suvarnabhumi

$775

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 9/29

2:35 am-10:40 am

1 stop22h 05m

Seattle/Tacoma Intl

Wed 10/7

12:50 pm-9:45 pm

1 stop18h 55m

$754

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 10/1

1:35 am-3:15 pm

1 stop27h 40m

Seattle/Tacoma Intl

Tue 10/13

12:10 am-11:35 pm

1 stop33h 25m

$772

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 10/20

11:45 am-3:15 pm

1 stop17h 30m

Seattle/Tacoma Intl

Tue 10/27

12:10 am-11:15 am

1 stop21h 05m

$772

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 10/31

12:55 am-10:00 am

1 stop23h 05m

Seattle/Tacoma Intl

Wed 11/4

11:00 am-11:20 pm

1 stop21h 20m

$773

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sun 10/11

9:40 pm-1:14 pm

1 stop29h 34m

Seattle/Tacoma Intl

Wed 11/11

12:35 pm-11:20 pm

1 stop19h 45m

$798

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 10/14

9:40 pm-1:14 pm

1 stop29h 34m

Seattle/Tacoma Intl

Wed 11/11

12:35 pm-11:20 pm

1 stop19h 45m

$798

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 10/10

10:50 am-7:15 pm

1 stop22h 25m

Seattle/Tacoma Intl

Sun 10/18

1:15 am-12:10 pm

1 stop20h 55m

$801

Quickest round-trip

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 10/7

1:10 pm-4:10 pm

1 stop17h 00m

Seattle/Tacoma Intl

Fri 10/16

1:15 am-12:00 pm

1 stop20h 45m

$815

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 9/30

1:10 pm-4:10 pm

1 stop17h 00m

Seattle/Tacoma Intl

Sun 10/11

1:15 am-4:40 pm

1 stop25h 25m

$815

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 12/1

2:05 pm-6:10 pm

1 stop19h 05m

Seattle/Tacoma Intl

Sun 12/27

12:10 am-1:35 am

1 stop34h 25m

$817

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bangkok to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Bangkok and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from $881 to $972.
The lowest price recently found on this route was $754.

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Bangkok to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $742. If you don’t want to visit Seattle in March, then you should wait until December to fly from Bangkok, when ticket prices are also cheap, with an average price of $810.

How far in advance should I book a flight from Bangkok to Seattle?

You are more likely to see cheaper flights to Seattle from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $874 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Bangkok for as low as $741 on momondo.

Cheap Bangkok to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok to Seattle

Best Price Found	$491
Fastest flight time	16h 20m
Direct flights	None

The best one-way flight to Seattle from Bangkok in the past 72 hours is $491. The best round-trip flight deal from Bangkok to Seattle found on momondo in the last 72 hours is $754.

The fastest flight from Bangkok to Seattle takes 16h 20m

There are no direct flights from Bangkok to Seattle. There are no popular flight routes from Bangkok to Seattle.

Search flight deals

Frequently asked questions about flying from Bangkok to Seattle

How far is Bangkok to Seattle/Tacoma Intl by plane?
A flight from Bangkok to Seattle/Tacoma Intl will travel around 7436.9 mi. 16h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Bangkok to Seattle/Tacoma Intl Airport?
Prices for flights from Bangkok to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Bangkok to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Bangkok to Seattle/Tacoma Intl Airport is 6 as of August 2026.
How old do you have to be to fly from Bangkok to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bangkok to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Bangkok to Seattle

Compare and see reviews for airlines that fly from Bangkok to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Philippine Airlines	PriceFrom $591	Free Cancellation	Rating 7.3 1,019 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $655	Free Cancellation	Rating 8.1 559 reviews	Search Asiana Airlines flights
EVA Air	PriceFrom $764	Free Cancellation	Rating 8.5 1,519 reviews	Search EVA Air flights
STARLUX Airlines	PriceFrom $772	Free Cancellation	Rating 8.8 371 reviews	Search STARLUX Airlines flights
China Airlines	PriceFrom $786	Free Cancellation	Rating 8.3 843 reviews	Search China Airlines flights
Delta	PriceFrom $803	Free Cancellation	Rating 7.8 8,507 reviews	Search Delta flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Kent

Olympia

Lynnwood

Redmond

Lakewood

Federal Way

Puyallup

Fife

Tukwila

Cle Elum

Marysville

Kirkland

Lacey

Shoreline

Centralia

Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Bangkok to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Bangkok to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Bangkok which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Bangkok to Seattle?

Once you have performed a search for Bangkok to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Bangkok to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Bangkok to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.