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 37% 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.

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

China Airlines, Korean Air, and Singapore Airlines 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 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.

$420 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.

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

17h 30m1 stop Incheon Intl

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

33h 25m1 stop Incheon Intl

$761Asiana Airlines

Sun, Oct 4 - Tue, Oct 6

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

17h 30m1 stop Incheon Intl

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

33h 25m1 stop Incheon Intl

$763Asiana Airlines

Sun, Oct 4 - Tue, Oct 6

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

22h 05m1 stop Incheon Intl

12:00 pm - 11:05 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

21h 05m1 stop Incheon Intl

$769Korean Air

Sun, Oct 11 - Sun, Oct 25

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

22h 05m1 stop Incheon Intl

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

23h 25m1 stop Incheon Intl

$779Korean Air

Tue, Oct 6 - Thu, Oct 22

9:50 am - 11:56 amBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

17h 06m1 stop Incheon Intl

12:40 pm - 11:05 pmSEA Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi

19h 25m1 stop Incheon Intl

$798Delta

Wed, Dec 16 - Wed, Jan 20

1:05 am - 11:56 amBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

25h 51m1 stop Incheon Intl

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

20h 40m1 stop Incheon Intl

$798Delta

Mon, Dec 14 - Wed, Jan 20

5:30 pm - 7:15 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

15h 45m1 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

$812China Airlines

Sat, Oct 17 - Sun, Nov 8

1:20 pm - 7:15 pmBKK Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl

19h 55m1 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

$812China Airlines

Sat, Oct 17 - Tue, Nov 10

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

36h 20m1 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

$824STARLUX Airlines

Tue, Oct 6 - Wed, Oct 14

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

$825STARLUX Airlines

Tue, Dec 1 - Mon, Dec 28

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Hainan Airlines flights from Bangkok to Seattle

Our best Hainan Airlines deals on Bangkok to Seattle flight tickets

Hainan Airlines

Oct 19

BKK12:20 amBangkok Suvarnabhumi

22h 40m

1 stop

SEA9:00 amSeattle/Tacoma Intl

Nov 10

SEA10:20 amSeattle/Tacoma Intl

22h 05m

1 stop

BKK11:25 pmBangkok Suvarnabhumi

$789

Hainan Airlines

Oct 19

BKK12:20 amBangkok Suvarnabhumi

22h 40m

1 stop

SEA9:00 amSeattle/Tacoma Intl

Nov 12

SEA10:05 amSeattle/Tacoma Intl

33h 35m

1 stop

BKK10:40 amBangkok Suvarnabhumi

$792

Hainan Airlines

Oct 19

BKK12:20 amBangkok Suvarnabhumi

22h 40m

1 stop

SEA9:00 amSeattle/Tacoma Intl

Nov 10

SEA10:20 amSeattle/Tacoma Intl

22h 05m

1 stop

BKK11:25 pmBangkok Suvarnabhumi

$794

ANA flights from Bangkok to Seattle

Our best ANA deals on Bangkok to Seattle flight tickets

ANA

Oct 20

BKK9:35 amBangkok Suvarnabhumi

22h 57m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Nov 12

SEA10:10 amSeattle/Tacoma Intl

28h 00m

2 stops

BKK5:10 amBangkok Suvarnabhumi

$836

ANA

Nov 11

BKK9:10 amBangkok Suvarnabhumi

24h 12m

2 stops

SEA6:22 pmSeattle/Tacoma Intl

Dec 6

SEA3:40 pmSeattle/Tacoma Intl

33h 40m

1 stop

BKK4:20 pmBangkok Suvarnabhumi

$848

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sun 10/4

11:45 am-3:15 pm

1 stop17h 30m

Seattle/Tacoma Intl

Tue 10/6

12:10 am-11:35 pm

1 stop33h 25m

$761

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sun 10/4

11:45 am-3:15 pm

1 stop17h 30m

Seattle/Tacoma Intl

Tue 10/6

12:10 am-11:35 pm

1 stop33h 25m

$763

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sun 10/11

2:35 am-10:40 am

1 stop22h 05m

Seattle/Tacoma Intl

Sun 10/25

12:00 pm-11:05 pm

1 stop21h 05m

$769

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 10/6

2:35 am-10:40 am

1 stop22h 05m

Seattle/Tacoma Intl

Thu 10/22

12:10 am-1:35 pm

1 stop23h 25m

$779

Quickest round-trip

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 12/16

9:50 am-11:56 am

1 stop17h 06m

Seattle/Tacoma Intl

Wed 1/20

12:40 pm-11:05 pm

1 stop19h 25m

$798

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 12/14

1:05 am-11:56 am

1 stop25h 51m

Seattle/Tacoma Intl

Wed 1/20

12:40 pm-12:20 am

1 stop20h 40m

$798

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 10/17

5:30 pm-7:15 pm

1 stop15h 45m

Seattle/Tacoma Intl

Sun 11/8

12:10 am-4:45 pm

1 stop25h 35m

$812

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 10/17

1:20 pm-7:15 pm

1 stop19h 55m

Seattle/Tacoma Intl

Tue 11/10

12:10 am-4:45 pm

1 stop25h 35m

$812

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 10/6

5:50 pm-4:10 pm

1 stop36h 20m

Seattle/Tacoma Intl

Wed 10/14

1:15 am-4:40 pm

1 stop25h 25m

$824

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

$825

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 $794 to $874.
The lowest price recently found on this route was $761.

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 October to fly from Bangkok, when ticket prices are also cheap, with an average price of $820.

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 $761 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	$420
Fastest flight time	17h 24m
Direct flights	None

The best one-way flight to Seattle from Bangkok in the past 72 hours is $420. The best round-trip flight deal from Bangkok to Seattle found on momondo in the last 72 hours is $761.

The fastest flight from Bangkok to Seattle takes 17h 24m

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 24m 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 1,027 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $655	Free Cancellation	Rating 8.1 562 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $714	Free Cancellation	Rating 8.7 382 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $764	Free Cancellation	Rating 8.5 1,527 reviews	Search EVA Air flights
China Airlines	PriceFrom $774	Free Cancellation	Rating 8.3 847 reviews	Search China Airlines flights
Delta	PriceFrom $803	Free Cancellation	Rating 7.8 8,590 reviews	Search Delta flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Kent

Olympia

Redmond

Lakewood

Federal Way

Fife

Puyallup

Tukwila

Lynnwood

Cle Elum

Marysville

Lacey

Kirkland

Centralia

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.