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 35% 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 September 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.

$479 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.

12:25 pm - 1:55 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

16h 30m1 stop Incheon Intl

12:10 am - 11:05 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

19h 55m1 stop Incheon Intl

$771Asiana Airlines

Mon, Nov 16 - Sun, Dec 6

11:55 pm - 1:55 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

29h 00m1 stop Incheon Intl

12:10 am - 11:05 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

19h 55m1 stop Incheon Intl

$771Asiana Airlines

Sun, Nov 1 - Tue, Nov 3

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

$775Korean Air

Tue, Sep 29 - Wed, Oct 7

1:05 am - 9:05 amBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

23h 00m1 stop Incheon Intl

11:00 am - 1:25 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

35h 25m1 stop Incheon Intl

$782Korean Air

Thu, Jan 21 - Wed, Jan 27

9:50 am - 1:34 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

17h 44m1 stop Incheon Intl

12:30 pm - 11:20 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

19h 50m1 stop Incheon Intl

$797Delta

Thu, Oct 22 - Fri, Nov 6

9:30 pm - 11:56 amBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

29h 26m1 stop Incheon Intl

12:40 pm - 11:20 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

19h 40m1 stop Incheon Intl

$799Delta

Thu, Dec 10 - Mon, Jan 11

5:50 pm - 4:10 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

36h 20m1 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

$814STARLUX Airlines

Thu, Oct 15 - Wed, Oct 21

5:40 pm - 3:05 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

36h 25m1 stop Taipei City Taiwan Taoyuan Intl

11:45 pm - 12:35 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

21h 50m1 stop Taipei City Taiwan Taoyuan Intl

$817STARLUX Airlines

Tue, Dec 1 - Mon, Dec 28

10:55 am - 6:10 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

22h 15m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 9:50 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

18h 40m1 stop Taipei City Taiwan Taoyuan Intl

$828China Airlines

Tue, Dec 8 - Sat, Jan 9

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

19h 05m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 4:45 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

25h 35m1 stop Taipei City Taiwan Taoyuan Intl

$828China Airlines

Mon, Dec 14 - Sat, Jan 9

Cheap last minute flights

Enter your travel dates to find the best prices.

2:35 am - 1:37 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

25h 02m1 stop Incheon Intl

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

18h 45m1 stop Incheon Intl

$797Delta

Mon, Sep 7 - Tue, Sep 22

2:35 am - 1:37 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

25h 02m1 stop Incheon Intl

1:00 pm - 1:05 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

22h 05m1 stop Incheon Intl

$797Delta

Sat, Sep 5 - Sat, Sep 19

9:35 am - 2:25 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

18h 50m1 stop Tokyo Haneda

7:11 am - 9:35 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

36h 24m2 stops San Francisco Hong Kong Intl

$830United Airlines

Tue, Sep 8 - Tue, Sep 22

9:35 am - 2:25 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

18h 50m1 stop Tokyo Haneda

3:30 pm - 9:35 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

28h 05m3 stops San Francisco Los Angeles Los Angeles Hong Kong Intl

$842United Airlines

Tue, Sep 8 - Tue, Sep 22

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

$1,018STARLUX Airlines

Sun, Sep 6 - Fri, Sep 18

1:20 pm - 7:45 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

20h 25m1 stop Taipei City Taiwan Taoyuan Intl

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

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$3,188China Airlines

Mon, Sep 7 - Sun, Oct 25

10:50 am - 7:45 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

22h 55m1 stop Taipei City Taiwan Taoyuan Intl

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

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$3,188China Airlines

Mon, Sep 7 - Tue, Oct 27

5:50 pm - 4:10 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

36h 20m1 stop Taipei City Taiwan Taoyuan Intl

12:45 am - 12:35 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

21h 50m1 stop Taipei City Taiwan Taoyuan Intl

$3,805STARLUX Airlines

Mon, Sep 7 - Wed, Oct 28

7:30 pm - 8:05 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

38h 35m1 stop Manila Ninoy Aquino Intl

7:10 am - 6:45 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

45h 35m2 stops Los Angeles Los Angeles Manila Ninoy Aquino Intl

$4,116Philippine Airlines

Mon, Sep 7 - Fri, Oct 23

7:30 pm - 8:05 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

38h 35m1 stop Manila Ninoy Aquino Intl

7:10 am - 10:40 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

25h 30m2 stops Los Angeles Los Angeles Manila Ninoy Aquino Intl

$4,157Philippine Airlines

Mon, Sep 7 - Fri, Oct 23

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STARLUX Airlines flights from Bangkok to Seattle

Our best STARLUX Airlines deals on Bangkok to Seattle flight tickets

STARLUX Airlines

Oct 15

BKK5:50 pmBangkok Suvarnabhumi

36h 20m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

Oct 21

SEA1:15 amSeattle/Tacoma Intl

20h 45m

1 stop

BKK12:00 pmBangkok Suvarnabhumi

$814

STARLUX Airlines

Oct 18

BKK5:50 pmBangkok Suvarnabhumi

36h 20m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

Oct 24

SEA12:45 amSeattle/Tacoma Intl

25h 45m

1 stop

BKK4:30 pmBangkok Suvarnabhumi

$817

STARLUX Airlines

Dec 10

BKK5:40 pmBangkok Suvarnabhumi

36h 25m

1 stop

SEA3:05 pmSeattle/Tacoma Intl

Jan 8

SEA11:45 pmSeattle/Tacoma Intl

21h 50m

1 stop

BKK12:35 pmBangkok Suvarnabhumi

$818

Delta flights from Bangkok to Seattle

Our best Delta deals on Bangkok to Seattle flight tickets

Delta

Oct 22

BKK9:50 amBangkok Suvarnabhumi

17h 44m

1 stop

SEA1:34 pmSeattle/Tacoma Intl

Nov 6

SEA12:30 pmSeattle/Tacoma Intl

19h 50m

1 stop

BKK11:20 pmBangkok Suvarnabhumi

$797

Delta

Oct 3

BKK2:35 amBangkok Suvarnabhumi

24h 39m

1 stop

SEA1:14 pmSeattle/Tacoma Intl

Oct 7

SEA1:00 pmSeattle/Tacoma Intl

22h 05m

1 stop

BKK1:05 amBangkok Suvarnabhumi

$799

Delta

Oct 17

BKK2:35 amBangkok Suvarnabhumi

24h 39m

1 stop

SEA1:14 pmSeattle/Tacoma Intl

Nov 13

SEA12:30 pmSeattle/Tacoma Intl

20h 50m

1 stop

BKK12:20 amBangkok Suvarnabhumi

$801

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 11/16

12:25 pm-1:55 pm

1 stop16h 30m

Seattle/Tacoma Intl

Sun 12/6

12:10 am-11:05 am

1 stop19h 55m

$771

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sun 11/1

11:55 pm-1:55 pm

1 stop29h 00m

Seattle/Tacoma Intl

Tue 11/3

12:10 am-11:05 am

1 stop19h 55m

$771

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

$775

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 1/21

1:05 am-9:05 am

1 stop23h 00m

Seattle/Tacoma Intl

Wed 1/27

11:00 am-1:25 pm

1 stop35h 25m

$782

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 10/22

9:50 am-1:34 pm

1 stop17h 44m

Seattle/Tacoma Intl

Fri 11/6

12:30 pm-11:20 pm

1 stop19h 50m

$797

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 12/10

9:30 pm-11:56 am

1 stop29h 26m

Seattle/Tacoma Intl

Mon 1/11

12:40 pm-11:20 pm

1 stop19h 40m

$799

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 10/15

5:50 pm-4:10 pm

1 stop36h 20m

Seattle/Tacoma Intl

Wed 10/21

1:15 am-12:00 pm

1 stop20h 45m

$814

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 12/1

5:40 pm-3:05 pm

1 stop36h 25m

Seattle/Tacoma Intl

Mon 12/28

11:45 pm-12:35 pm

1 stop21h 50m

$817

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 12/8

10:55 am-6:10 pm

1 stop22h 15m

Seattle/Tacoma Intl

Sat 1/9

12:10 am-9:50 am

1 stop18h 40m

$828

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 12/14

2:05 pm-6:10 pm

1 stop19h 05m

Seattle/Tacoma Intl

Sat 1/9

12:10 am-4:45 pm

1 stop25h 35m

$828

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 $806 to $919.
The lowest price recently found on this route was $771.

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 $872 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	$479
Fastest flight time	24h 00m
Direct flights	None

The best one-way flight to Seattle from Bangkok in the past 72 hours is $479. The best round-trip flight deal from Bangkok to Seattle found on momondo in the last 72 hours is $771.

The fastest flight from Bangkok to Seattle takes 24h 00m

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. 24h 00m 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 September 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 1,023 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $655	Free Cancellation	Rating 8.1 560 reviews	Search Asiana Airlines flights
EVA Air	PriceFrom $764	Free Cancellation	Rating 8.5 1,522 reviews	Search EVA Air flights
STARLUX Airlines	PriceFrom $772	Free Cancellation	Rating 8.7 376 reviews	Search STARLUX Airlines flights
China Airlines	PriceFrom $786	Free Cancellation	Rating 8.3 844 reviews	Search China Airlines flights
Delta	PriceFrom $803	Free Cancellation	Rating 7.8 8,565 reviews	Search Delta flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Kent

Olympia

Redmond

Lakewood

Federal Way

Fife

Tukwila

Puyallup

Lynnwood

Cle Elum

Marysville

Kirkland

Centralia

Lacey

Shoreline

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.