What airlines fly to Seattle?

STARLUX Airlines, EVA Air and Korean Air are the top three most popular airlines that fly to Seattle from Thailand according to our data. STARLUX Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 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 Thailand to Seattle/Tacoma Intl?

Philippine Airlines, Hainan Airlines, and STARLUX Airlines are the most popular carriers operating from Thailand to Seattle/Tacoma Intl

How long does it take to fly to Seattle?

Flight times vary depending on what airport in Thailand you fly out of and what airport in Seattle you fly into. For example, flying from Bangkok to Seattle takes 18h 42m on average. On the other hand, flying from Chiang Mai to Seattle takes 21h 20m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from Thailand to Seattle/Tacoma Intl Airport?

Prices for flights from Thailand to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Thailand to Seattle/Tacoma Intl Airport?

As of January 2026, there are 8 operators available to choose from for flights from Thailand to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Thailand to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Thailand to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$427 Cheap Flights from Thailand to Seattle in 2026

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Find the cheapest flights from Thailand to Seattle

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2:05 am - 1:55 pm

BKK

SEA

26h 50m1 stop

12:10 am - 12:55 am

SEA

BKK

33h 45m1 stop

$631Multiple Airlines

Thu, Feb 5 - Sat, Feb 21

9:40 pm - 3:25 pm

BKK

SEA

31h 45m1 stop

12:55 am - 1:05 am

SEA

BKK

34h 10m1 stop

$637Multiple Airlines

Mon, Jul 6 - Sun, Sep 13

1:05 am - 8:00 am

BKK

SEA

21h 55m1 stop

11:00 am - 11:25 pm

SEA

BKK

22h 25m1 stop

$639Hainan Airlines

Mon, Mar 2 - Tue, Mar 24

1:05 am - 8:00 am

BKK

SEA

21h 55m1 stop

11:00 am - 11:25 pm

SEA

BKK

22h 25m1 stop

$640Hainan Airlines

Mon, Mar 2 - Tue, Mar 24

2:05 am - 1:55 pm

BKK

SEA

26h 50m1 stop

12:55 am - 1:05 am

SEA

BKK

34h 10m1 stop

$643Multiple Airlines

Tue, Feb 10 - Tue, Jul 21

1:05 am - 8:00 am

BKK

SEA

21h 55m1 stop

10:00 am - 11:25 pm

SEA

BKK

22h 25m1 stop

$662Hainan Airlines

Mon, Jan 19 - Tue, Feb 3

11:50 am - 7:10 pm

CNX

SEA

21h 20m1 stop

1:30 am - 10:25 am

SEA

CNX

18h 55m1 stop

$807EVA Air

Thu, Mar 26 - Wed, Apr 29

11:50 am - 7:10 pm

CNX

SEA

21h 20m1 stop

1:30 am - 10:25 am

SEA

CNX

18h 55m1 stop

$813EVA Air

Thu, Mar 26 - Wed, Apr 29

11:50 am - 7:10 pm

CNX

SEA

21h 20m1 stop

1:30 am - 10:25 am

SEA

CNX

18h 55m1 stop

$814EVA Air

Thu, Mar 26 - Wed, Apr 29

11:50 am - 7:10 pm

CNX

SEA

21h 20m1 stop

1:30 am - 7:10 pm

SEA

CNX

27h 40m2 stops

$875EVA Air

Thu, Mar 26 - Wed, Apr 29

Philippine Airlines flights from Thailand to Seattle

Our best Philippine Airlines deals on Thailand to Seattle flight tickets

Philippine Airlines

Jun 1

BKK7:30 pmBangkok Suvarnabhumi

38h 35m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

Sep 1

SEA11:10 pmSeattle/Tacoma Intl

29h 20m

1 stop

BKK6:30 pmBangkok Suvarnabhumi

$678

Philippine Airlines

May 27

BKK7:30 pmBangkok Suvarnabhumi

38h 35m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

Jun 11

SEA11:10 pmSeattle/Tacoma Intl

23h 00m

1 stop

BKK12:10 pmBangkok Suvarnabhumi

$679

Philippine Airlines

Jan 20

BKK1:20 pmBangkok Suvarnabhumi

20h 20m

1 stop

SEA6:40 pmSeattle/Tacoma Intl

Feb 10

SEA9:30 pmSeattle/Tacoma Intl

23h 30m

1 stop

BKK12:00 pmBangkok Suvarnabhumi

$680

United Airlines flights from Thailand to Seattle

Our best United Airlines deals on Thailand to Seattle flight tickets

United Airlines

May 24

BKK9:35 amBangkok Suvarnabhumi

18h 50m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Jun 10

SEA4:30 pmSeattle/Tacoma Intl

22h 05m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$789

United Airlines

Jun 1

BKK9:35 amBangkok Suvarnabhumi

18h 50m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Sep 16

SEA8:35 amSeattle/Tacoma Intl

25h 20m

2 stops

BKK11:55 pmBangkok Suvarnabhumi

$794

United Airlines

Jan 21

BKK4:55 pmBangkok Suvarnabhumi

23h 04m

2 stops

SEA12:59 amSeattle/Tacoma Intl

Apr 17

SEA7:12 amSeattle/Tacoma Intl

36h 33m

2 stops

BKK9:45 amBangkok Suvarnabhumi

$829

Fly from

Fly to

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 2/5

2:05 am-1:55 pm

1 stop26h 50m

Seattle/Tacoma Intl

Sat 2/21

12:10 am-12:55 am

1 stop33h 45m

$631

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 7/6

9:40 pm-3:25 pm

1 stop31h 45m

Seattle/Tacoma Intl

Sun 9/13

12:55 am-1:05 am

1 stop34h 10m

$637

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 3/2

1:05 am-8:00 am

1 stop21h 55m

Seattle/Tacoma Intl

Tue 3/24

11:00 am-11:25 pm

1 stop22h 25m

$639

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 3/2

1:05 am-8:00 am

1 stop21h 55m

Seattle/Tacoma Intl

Tue 3/24

11:00 am-11:25 pm

1 stop22h 25m

$640

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 2/10

2:05 am-1:55 pm

1 stop26h 50m

Seattle/Tacoma Intl

Tue 7/21

12:55 am-1:05 am

1 stop34h 10m

$643

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 1/19

1:05 am-8:00 am

1 stop21h 55m

Seattle/Tacoma Intl

Tue 2/3

10:00 am-11:25 pm

1 stop22h 25m

$662

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 3/26

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Wed 4/29

1:30 am-10:25 am

1 stop18h 55m

$807

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 3/26

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Wed 4/29

1:30 am-10:25 am

1 stop18h 55m

$813

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 3/26

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Wed 4/29

1:30 am-10:25 am

1 stop18h 55m

$814

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 3/26

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Wed 4/29

1:30 am-7:10 pm

2 stops27h 40m

$875

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 Thailand 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

Other information

What is the cheapest month to fly to Seattle?

In general, December is the cheapest month to fly from Thailand to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $766. If you don’t want to visit Seattle in December, then you should wait until February to fly from Thailand, when ticket prices are also cheap, with an average price of $806.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Thailand when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $894 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Thailand for as low as $779 on momondo.

Can stopping save me money on Thailand to Seattle flights?

You could potentially save up to 12% on your flight if you consider stops on a Thailand to Seattle flight.

Cheap Thailand to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Thailand to Seattle

Fastest flight time	17h 05m
Direct flights	None

The fastest flight from Thailand to Seattle takes 17h 05m

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

Search flight deals

When did momondo last update prices for flights from Thailand to Seattle/Tacoma Intl Airport?
Prices for flights from Thailand to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Thailand to Seattle/Tacoma Intl Airport?
As of January 2026, there are 8 operators available to choose from for flights from Thailand to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Thailand to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Thailand to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Thailand to Seattle

Compare and see reviews for airlines that fly from Thailand to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Philippine Airlines	PriceFrom $624	Free Cancellation	Rating 7.3 949 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $653	Free Cancellation	Rating 8.2 499 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $705	Free Cancellation	Rating 8.9 258 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $766	Free Cancellation	Rating 8.4 1,314 reviews	Search EVA Air flights
ANA	PriceFrom $781	Free Cancellation	Rating 8.4 1,061 reviews	Search ANA flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 798 reviews	Search China Airlines flights
Korean Air	PriceFrom $803	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
Delta	PriceFrom $829	Free Cancellation	Rating 7.9 8,029 reviews	Search Delta flights

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Renton

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Lynnwood

Kent

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Cle Elum

Lakewood

Fife

Westport

Kirkland

Centralia

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Why use momondo?

Why should I use momondo to find a flight deal from Thailand to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Thailand.

Can I find flights from Thailand to Seattle with flexible booking policies on momondo?

Flights from Thailand to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Thailand to Seattle?

momondo helps you find the best flight between Thailand and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Thailand to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Thailand 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.