What airlines fly to Seattle?

Asiana Airlines, EVA Air and China Airlines are the top three most popular airlines that fly to Seattle from Bangkok according to our data. Asiana Airlines 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 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

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

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 5 as of November 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.

$477 Cheap Flights from Bangkok to Seattle in 2026/27

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.

1:05 am - 8:20 amBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

22h 15m1 stop Beijing Capital

10:20 am - 11:35 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

22h 15m1 stop Beijing Capital

$769Hainan Airlines

Mon, Dec 21 - Tue, Jan 26

4:20 pm - 8:20 amBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

31h 00m1 stop Beijing Capital

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

33h 00m2 stops Chongqing Jiangbei Intl Haikou Meilan Intl

$788Hainan Airlines

Mon, Jan 25 - Thu, Jan 28

9:40 pm - 11:51 amBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

29h 11m1 stop Incheon Intl

12:50 pm - 9:30 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

41h 40m1 stop Incheon Intl

$835Delta

Wed, Jan 27 - Mon, Feb 8

1:05 am - 11:51 amBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

25h 46m1 stop Incheon Intl

12:50 pm - 9:30 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

41h 40m1 stop Incheon Intl

$835Delta

Wed, Jan 27 - Sat, Feb 6

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

19h 05m1 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

$842China Airlines

Tue, Dec 22 - Mon, Dec 28

1:45 pm - 3:05 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

16h 20m1 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

$853STARLUX Airlines

Wed, Dec 23 - Wed, Dec 30

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

$856China Airlines

Sat, Dec 19 - Sun, Dec 27

12:45 pm - 6:10 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

20h 25m1 stop Taipei City Taiwan Taoyuan Intl

11:30 pm - 10:45 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

20h 15m1 stop Taipei City Taiwan Taoyuan Intl

$858EVA Air

Fri, Dec 25 - Tue, Dec 29

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

$867STARLUX Airlines

Sun, Dec 6 - Sun, Dec 13

3:10 pm - 6:50 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

17h 40m1 stop Taipei City Taiwan Taoyuan Intl

12:30 am - 11:10 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

$888EVA Air

Sat, Apr 3 - Thu, Apr 15

Cheap last minute flights

Enter your travel dates to find the best prices.

4:20 pm - 8:20 amBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

31h 00m1 stop Beijing Capital

10:20 am - 2:20 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

37h 00m1 stop Beijing Capital

$792Hainan Airlines

Mon, Nov 16 - Tue, Nov 24

11:15 pm - 2:10 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

29h 55m1 stop Incheon Intl

11:00 am - 9:30 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

19h 30m1 stop Incheon Intl

$804Korean Air

Mon, Nov 16 - Mon, Nov 23

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

23h 00m1 stop Incheon Intl

11:00 am - 9:30 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

19h 30m1 stop Incheon Intl

$840Korean Air

Thu, Nov 12 - Fri, Nov 27

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

36h 25m1 stop Taipei City Taiwan Taoyuan Intl

11:45 pm - 12:55 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

22h 10m1 stop Taipei City Taiwan Taoyuan Intl

$869STARLUX Airlines

Mon, Nov 16 - Thu, Nov 26

1:45 pm - 3:05 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

16h 20m1 stop Taipei City Taiwan Taoyuan Intl

11:45 pm - 12:55 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

22h 10m1 stop Taipei City Taiwan Taoyuan Intl

$869STARLUX Airlines

Tue, Nov 17 - Thu, Nov 26

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

19h 05m1 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

$894China Airlines

Sat, Nov 14 - Thu, Nov 26

11:15 pm - 2:10 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

29h 55m1 stop Incheon Intl

9:20 pm - 11:05 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

34h 45m2 stops Los Angeles Incheon Intl

$944Delta

Sun, Nov 15 - Tue, Nov 24

5:15 pm - 5:30 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

15h 15m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 11:30 amSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

20h 20m1 stop Taipei City Taiwan Taoyuan Intl

$946EVA Air

Tue, Nov 17 - Tue, Nov 24

11:15 pm - 4:51 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

32h 36m2 stops Incheon Intl Los Angeles

11:00 am - 9:30 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

19h 30m1 stop Incheon Intl

$949Delta

Mon, Nov 16 - Fri, Nov 27

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

19h 05m1 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

$1,092China Airlines

Sat, Nov 14 - Tue, Nov 24

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Hainan Airlines flights from Bangkok to Seattle

Our best Hainan Airlines deals on Bangkok to Seattle flight tickets

Hainan Airlines

Dec 21

BKK1:05 amBangkok Suvarnabhumi

22h 15m

1 stop

SEA8:20 amSeattle/Tacoma Intl

Jan 26

SEA10:20 amSeattle/Tacoma Intl

22h 15m

1 stop

BKK11:35 pmBangkok Suvarnabhumi

$769

Hainan Airlines

Jan 25

BKK4:20 pmBangkok Suvarnabhumi

31h 00m

1 stop

SEA8:20 amSeattle/Tacoma Intl

Jan 28

SEA10:05 amSeattle/Tacoma Intl

33h 35m

1 stop

BKK10:40 amBangkok Suvarnabhumi

$788

Hainan Airlines

Nov 16

BKK4:20 pmBangkok Suvarnabhumi

31h 00m

1 stop

SEA8:20 amSeattle/Tacoma Intl

Nov 24

SEA10:20 amSeattle/Tacoma Intl

37h 00m

1 stop

BKK2:20 pmBangkok Suvarnabhumi

$792

Korean Air flights from Bangkok to Seattle

Our best Korean Air deals on Bangkok to Seattle flight tickets

Korean Air

Nov 22

BKK1:05 amBangkok Suvarnabhumi

23h 00m

1 stop

SEA9:05 amSeattle/Tacoma Intl

Nov 27

SEA11:00 amSeattle/Tacoma Intl

19h 30m

1 stop

BKK9:30 pmBangkok Suvarnabhumi

$789

Korean Air

Nov 16

BKK11:15 pmBangkok Suvarnabhumi

29h 55m

1 stop

SEA2:10 pmSeattle/Tacoma Intl

Nov 23

SEA11:00 amSeattle/Tacoma Intl

19h 30m

1 stop

BKK9:30 pmBangkok Suvarnabhumi

$804

Korean Air

Mar 5

BKK11:15 pmBangkok Suvarnabhumi

24h 50m

1 stop

SEA9:05 amSeattle/Tacoma Intl

Mar 15

SEA12:00 pmSeattle/Tacoma Intl

19h 30m

1 stop

BKK9:30 pmBangkok Suvarnabhumi

$807

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 12/21

1:05 am-8:20 am

1 stop22h 15m

Seattle/Tacoma Intl

Tue 1/26

10:20 am-11:35 pm

1 stop22h 15m

$769

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 1/25

4:20 pm-8:20 am

1 stop31h 00m

Seattle/Tacoma Intl

Thu 1/28

10:05 am-10:05 am

2 stops33h 00m

$788

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 1/27

9:40 pm-11:51 am

1 stop29h 11m

Seattle/Tacoma Intl

Mon 2/8

12:50 pm-9:30 pm

1 stop41h 40m

$835

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 1/27

1:05 am-11:51 am

1 stop25h 46m

Seattle/Tacoma Intl

Sat 2/6

12:50 pm-9:30 pm

1 stop41h 40m

$835

Quickest round-trip

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 12/22

2:05 pm-6:10 pm

1 stop19h 05m

Seattle/Tacoma Intl

Mon 12/28

12:10 am-9:50 am

1 stop18h 40m

$842

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 12/23

1:45 pm-3:05 pm

1 stop16h 20m

Seattle/Tacoma Intl

Wed 12/30

11:45 pm-12:35 pm

1 stop21h 50m

$853

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 12/19

10:55 am-6:10 pm

1 stop22h 15m

Seattle/Tacoma Intl

Sun 12/27

12:10 am-9:50 am

1 stop18h 40m

$856

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Fri 12/25

12:45 pm-6:10 pm

1 stop20h 25m

Seattle/Tacoma Intl

Tue 12/29

11:30 pm-10:45 am

1 stop20h 15m

$858

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sun 12/6

5:40 pm-3:05 pm

1 stop36h 25m

Seattle/Tacoma Intl

Sun 12/13

11:45 pm-12:35 pm

1 stop21h 50m

$867

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 4/3

3:10 pm-6:50 pm

1 stop17h 40m

Seattle/Tacoma Intl

Thu 4/15

12:30 am-11:10 am

1 stop20h 40m

$888

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 $809 to $920.
The lowest price recently found on this route was $769.

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 $725. 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 $841.

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 $883 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 $720 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	$477
Fastest flight time	17h 30m
Direct flights	None

The best one-way flight to Seattle from Bangkok in the past 72 hours is $477. The best round-trip flight deal from Bangkok to Seattle found on momondo in the last 72 hours is $769.

The fastest flight from Bangkok to Seattle takes 17h 30m

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. 17h 30m 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 5 as of November 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
Asiana Airlines	PriceFrom $655	Free Cancellation	Rating 8.1 572 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $714	Free Cancellation	Rating 8.8 420 reviews	Search STARLUX Airlines flights
China Airlines	PriceFrom $786	Free Cancellation	Rating 8.3 859 reviews	Search China Airlines flights
EVA Air	PriceFrom $795	Free Cancellation	Rating 8.5 1,554 reviews	Search EVA Air flights
Delta	PriceFrom $803	Free Cancellation	Rating 7.8 8,714 reviews	Search Delta flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Kent

Olympia

Federal Way

Redmond

Lakewood

Lynnwood

Tukwila

Fife

Puyallup

Cle Elum

Marysville

Lacey

Kirkland

Centralia

Bothell

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.