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

China Airlines, Qatar Airways, and United Airlines are the most popular carriers operating from Bangkok to Seattle/Tacoma Intl

What airlines fly to Seattle?

EVA Air, STARLUX Airlines and Asiana Airlines 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 32% 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 June 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.

$513 Cheap Flights from Bangkok to Seattle in 2026

Q: 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 $851 to $1,060. The lowest price recently found on this route was $772.

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.

1:35 am - 3:15 pm

BKK

SEA

27h 40m

1 stop

12:10 am - 11:20 pm

SEA

BKK

33h 10m

1 stop

$772Asiana Airlines

Sat, Oct 3 - Sat, Mar 27

11:55 pm - 1:55 pm

BKK

SEA

29h 00m

1 stop

12:10 am - 11:15 am

SEA

BKK

20h 05m

1 stop

$776Asiana Airlines

Mon, Nov 2 - Sat, Mar 13

11:55 pm - 1:55 pm

BKK

SEA

29h 00m

1 stop

12:10 am - 10:00 pm

SEA

BKK

31h 50m

1 stop

$778Asiana Airlines

Mon, Nov 2 - Sun, Mar 14

12:20 pm - 2:55 pm

BKK

SEA

16h 35m

1 stop

12:10 am - 11:15 am

SEA

BKK

20h 05m

1 stop

$780Asiana Airlines

Mon, Oct 26 - Mon, Jan 18

11:45 am - 3:15 pm

BKK

SEA

17h 30m

1 stop

12:10 am - 10:00 pm

SEA

BKK

31h 50m

1 stop

$788Asiana Airlines

Tue, Oct 20 - Tue, Oct 27

11:45 am - 3:15 pm

BKK

SEA

17h 30m

1 stop

12:10 am - 10:00 pm

SEA

BKK

31h 50m

1 stop

$790Asiana Airlines

Tue, Oct 20 - Tue, Oct 27

1:35 am - 3:15 pm

BKK

SEA

27h 40m

1 stop

12:10 am - 11:35 pm

SEA

BKK

33h 25m

1 stop

$791Asiana Airlines

Mon, Oct 12 - Tue, Oct 13

11:45 am - 3:15 pm

BKK

SEA

17h 30m

1 stop

12:10 am - 10:00 pm

SEA

BKK

30h 50m

1 stop

$794Asiana Airlines

Thu, Oct 22 - Thu, Nov 5

9:50 am - 10:40 am

BKK

SEA

38h 50m

1 stop

12:50 pm - 9:45 pm

SEA

BKK

18h 55m

1 stop

$800Korean Air

Fri, Oct 9 - Thu, Oct 22

9:55 am - 7:45 pm

DMK

SEA

23h 50m

2 stops

1:55 am - 10:40 pm

SEA

DMK

30h 45m

2 stops

$966Multiple Airlines

Thu, Jul 2 - Sun, Jul 5

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ANA flights from Bangkok to Seattle

Our best ANA deals on Bangkok to Seattle flight tickets

ANA

Oct 7

BKK9:35 amBangkok Suvarnabhumi

22h 57m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Oct 17

SEA10:30 amSeattle/Tacoma Intl

29h 25m

2 stops

BKK5:55 amBangkok Suvarnabhumi

$804

ANA

Sep 29

BKK9:35 amBangkok Suvarnabhumi

22h 57m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Oct 5

SEA10:30 amSeattle/Tacoma Intl

29h 25m

2 stops

BKK5:55 amBangkok Suvarnabhumi

$807

ANA

Jul 6

BKK9:35 amBangkok Suvarnabhumi

22h 57m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Oct 5

SEA10:30 amSeattle/Tacoma Intl

28h 05m

2 stops

BKK4:35 amBangkok Suvarnabhumi

$808

Delta flights from Bangkok to Seattle

Our best Delta deals on Bangkok to Seattle flight tickets

Delta

Sep 27

BKK11:30 pmBangkok Suvarnabhumi

28h 07m

1 stop

SEA1:37 pmSeattle/Tacoma Intl

Oct 5

SEA1:00 pmSeattle/Tacoma Intl

18h 45m

1 stop

BKK9:45 pmBangkok Suvarnabhumi

$816

Delta

Sep 5

BKK2:35 amBangkok Suvarnabhumi

25h 02m

1 stop

SEA1:37 pmSeattle/Tacoma Intl

Oct 18

SEA1:00 pmSeattle/Tacoma Intl

22h 05m

1 stop

BKK1:05 amBangkok Suvarnabhumi

$817

Delta

Oct 7

BKK11:30 pmBangkok Suvarnabhumi

27h 44m

1 stop

SEA1:14 pmSeattle/Tacoma Intl

Oct 17

SEA1:00 pmSeattle/Tacoma Intl

18h 45m

1 stop

BKK9:45 pmBangkok Suvarnabhumi

$820

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 10/3

1:35 am-3:15 pm

1 stop27h 40m

Seattle/Tacoma Intl

Sat 3/27

12:10 am-11:20 pm

1 stop33h 10m

$772

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 11/2

11:55 pm-1:55 pm

1 stop29h 00m

Seattle/Tacoma Intl

Sat 3/13

12:10 am-11:15 am

1 stop20h 05m

$776

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 11/2

11:55 pm-1:55 pm

1 stop29h 00m

Seattle/Tacoma Intl

Sun 3/14

12:10 am-10:00 pm

1 stop31h 50m

$778

Quickest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 10/26

12:20 pm-2:55 pm

1 stop16h 35m

Seattle/Tacoma Intl

Mon 1/18

12:10 am-11:15 am

1 stop20h 05m

$780

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 10/20

11:45 am-3:15 pm

1 stop17h 30m

Seattle/Tacoma Intl

Tue 10/27

12:10 am-10:00 pm

1 stop31h 50m

$788

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 10/20

11:45 am-3:15 pm

1 stop17h 30m

Seattle/Tacoma Intl

Tue 10/27

12:10 am-10:00 pm

1 stop31h 50m

$790

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 10/12

1:35 am-3:15 pm

1 stop27h 40m

Seattle/Tacoma Intl

Tue 10/13

12:10 am-11:35 pm

1 stop33h 25m

$791

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 10/22

11:45 am-3:15 pm

1 stop17h 30m

Seattle/Tacoma Intl

Thu 11/5

12:10 am-10:00 pm

1 stop30h 50m

$794

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 10/9

9:50 am-10:40 am

1 stop38h 50m

Seattle/Tacoma Intl

Thu 10/22

12:50 pm-9:45 pm

1 stop18h 55m

$800

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Thu 7/2

9:55 am-7:45 pm

2 stops23h 50m

Seattle/Tacoma Intl

Sun 7/5

1:55 am-10:40 pm

2 stops30h 45m

$966

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?

What is the cheapest month to fly to Seattle?

In general, October 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 $515. If you don’t want to visit Seattle in October, then you should wait until February to fly from Bangkok, when ticket prices are also cheap, with an average price of $591.

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 $869 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 $733 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

Fastest flight time	17h 16m
Direct flights	None

The fastest flight from Bangkok to Seattle takes 17h 16m

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

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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 16m 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 June 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 $625	Free Cancellation	Rating 7.3 1,002 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $655	Free Cancellation	Rating 8.1 545 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $703	Free Cancellation	Rating 8.8 343 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $766	Free Cancellation	Rating 8.5 1,478 reviews	Search EVA Air flights
China Airlines	PriceFrom $774	Free Cancellation	Rating 8.3 829 reviews	Search China Airlines flights
Delta	PriceFrom $803	Free Cancellation	Rating 7.8 8,423 reviews	Search Delta flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Federal Way

Fife

Cle Elum

Marysville

Centralia

Shoreline

Kirkland

Westport

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.