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

China Airlines and Emirates 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.

$516 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 $974 to $803. The lowest price recently found on this route was $785.

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 - 10:00 pm

SEA

BKK

31h 50m

1 stop

$785Asiana Airlines

Mon, Oct 19 - Tue, Oct 27

1:35 am - 3:15 pm

BKK

SEA

27h 40m

1 stop

12:10 am - 10:00 pm

SEA

BKK

31h 50m

1 stop

$789Asiana Airlines

Mon, Oct 19 - Tue, Oct 27

11:45 am - 3:45 pm

BKK

SEA

18h 00m

1 stop

12:10 am - 10:40 am

SEA

BKK

20h 30m

1 stop

$790Asiana Airlines

Fri, Jul 10 - Sun, Jul 19

1:35 am - 3:15 pm

BKK

SEA

27h 40m

1 stop

12:10 am - 10:00 pm

SEA

BKK

30h 50m

1 stop

$791Asiana Airlines

Wed, Oct 21 - Thu, Nov 5

1:35 am - 3:15 pm

BKK

SEA

27h 40m

1 stop

12:10 am - 10:40 am

SEA

BKK

20h 30m

1 stop

$792Asiana Airlines

Wed, Oct 7 - Mon, Oct 19

12:25 am - 9:00 am

BKK

SEA

22h 35m

1 stop

11:00 am - 11:25 pm

SEA

BKK

22h 25m

1 stop

$807Hainan Airlines

Fri, Oct 16 - Sat, Oct 31

9:35 am - 9:01 pm

BKK

SEA

25h 26m

2 stops

4:30 pm - 4:35 am

SEA

BKK

22h 05m

1 stop

$810United Airlines

Tue, Oct 6 - Thu, Oct 15

9:35 am - 2:25 pm

BKK

SEA

18h 50m

1 stop

7:05 pm - 9:35 am

SEA

BKK

24h 30m

2 stops

$813United Airlines

Thu, Jun 25 - Wed, Jul 15

8:05 pm - 3:15 pm

DMK

SEA

33h 10m

2 stops

11:55 pm - 11:40 am

SEA

DMK

20h 45m

1 stop

$1,195Multiple Airlines

Mon, Oct 12 - Mon, Nov 9

7:30 am - 7:45 pm

DMK

SEA

26h 15m

2 stops

1:55 am - 11:05 pm

SEA

DMK

31h 10m

2 stops

$1,220Multiple Airlines

Tue, Jul 7 - Mon, Jul 13

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China Airlines flights from Bangkok to Seattle

Our best China Airlines deals on Bangkok to Seattle flight tickets

China Airlines

Jun 22

BKK5:30 pmBangkok Suvarnabhumi

15h 45m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Jul 14

SEA1:55 amSeattle/Tacoma Intl

17h 50m

1 stop

BKK9:45 amBangkok Suvarnabhumi

$852

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

$856

China Airlines

Jun 22

BKK10:50 amBangkok Suvarnabhumi

22h 25m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Jul 16

SEA1:55 amSeattle/Tacoma Intl

33h 30m

1 stop

BKK1:25 amBangkok Suvarnabhumi

$857

United Airlines flights from Bangkok to Seattle

Our best United Airlines deals on Bangkok to Seattle flight tickets

United Airlines

Jun 19

BKK7:00 amBangkok Suvarnabhumi

27h 53m

2 stops

SEA8:53 pmSeattle/Tacoma Intl

Jul 5

SEA4:30 pmSeattle/Tacoma Intl

22h 05m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$796

United Airlines

Jun 15

BKK9:35 amBangkok Suvarnabhumi

18h 50m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Jan 10

SEA3:30 pmSeattle/Tacoma Intl

28h 55m

2 stops

BKK11:25 amBangkok Suvarnabhumi

$805

United Airlines

Jun 15

BKK9:35 amBangkok Suvarnabhumi

18h 50m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Jan 10

SEA6:57 amSeattle/Tacoma Intl

37h 28m

2 stops

BKK11:25 amBangkok Suvarnabhumi

$807

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 10/19

1:35 am-3:15 pm

1 stop27h 40m

Seattle/Tacoma Intl

Tue 10/27

12:10 am-10:00 pm

1 stop31h 50m

$785

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 10/19

1:35 am-3:15 pm

1 stop27h 40m

Seattle/Tacoma Intl

Tue 10/27

12:10 am-10:00 pm

1 stop31h 50m

$789

Quickest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 7/10

11:45 am-3:45 pm

1 stop18h 00m

Seattle/Tacoma Intl

Sun 7/19

12:10 am-10:40 am

1 stop20h 30m

$790

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 10/21

1:35 am-3:15 pm

1 stop27h 40m

Seattle/Tacoma Intl

Thu 11/5

12:10 am-10:00 pm

1 stop30h 50m

$791

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 10/7

1:35 am-3:15 pm

1 stop27h 40m

Seattle/Tacoma Intl

Mon 10/19

12:10 am-10:40 am

1 stop20h 30m

$792

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 10/16

12:25 am-9:00 am

1 stop22h 35m

Seattle/Tacoma Intl

Sat 10/31

11:00 am-11:25 pm

1 stop22h 25m

$807

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 10/6

9:35 am-9:01 pm

2 stops25h 26m

Seattle/Tacoma Intl

Thu 10/15

4:30 pm-4:35 am

1 stop22h 05m

$810

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 6/25

9:35 am-2:25 pm

1 stop18h 50m

Seattle/Tacoma Intl

Wed 7/15

7:05 pm-9:35 am

2 stops24h 30m

$813

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Mon 10/12

8:05 pm-3:15 pm

2 stops33h 10m

Seattle/Tacoma Intl

Mon 11/9

11:55 pm-11:40 am

1 stop20h 45m

$1,195

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Tue 7/7

7:30 am-7:45 pm

2 stops26h 15m

Seattle/Tacoma Intl

Mon 7/13

1:55 am-11:05 pm

2 stops31h 10m

$1,220

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 $866 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	16h 55m
Direct flights	None

The fastest flight from Bangkok to Seattle takes 16h 55m

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 55m 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 7.3 999 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $655	Free Cancellation	Rating 8.1 540 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $703	Free Cancellation	Rating 8.9 336 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $766	Free Cancellation	Rating 8.5 1,470 reviews	Search EVA Air flights
China Airlines	PriceFrom $774	Free Cancellation	Rating 8.3 828 reviews	Search China Airlines flights
Delta	PriceFrom $803	Free Cancellation	Rating 7.9 8,400 reviews	Search Delta flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Marysville

Cle Elum

Federal Way

Fife

Centralia

Shoreline

Westport

Kirkland

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.