What airlines fly to Seattle?

EVA Air, STARLUX Airlines and Korean Air are the top three most popular airlines that fly to Seattle from Thailand according to our data. EVA Air is the first choice among our users, with 29% 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?

Hainan Airlines, China Airlines, and Air Canada 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 29m 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.

$432 Cheap Flights from Thailand to Seattle in 2026

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Find the cheapest flights from Thailand to Seattle

Round-trip

One-way

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Recent round-trip flight deals from Thailand to Seattle

Enter your travel dates to find the best prices.

1:05 am - 9:00 am

BKK

SEA

21h 55m

1 stop

11:00 am - 11:25 pm

SEA

BKK

22h 25m

1 stop

$636Hainan Airlines

Fri, Mar 13 - Sat, Mar 21

11:50 pm - 7:40 pm

BKK

SEA

33h 50m

1 stop

10:30 pm - 5:50 pm

SEA

BKK

29h 20m

1 stop

$637Philippine Airlines

Tue, Mar 17 - Sun, Mar 22

11:50 pm - 7:40 pm

BKK

SEA

33h 50m

1 stop

11:10 pm - 10:40 pm

SEA

BKK

33h 30m

1 stop

$638Philippine Airlines

Tue, Mar 17 - Tue, Apr 7

1:05 am - 9:00 am

BKK

SEA

21h 55m

1 stop

11:00 am - 11:00 pm

SEA

BKK

22h 00m

1 stop

$642Hainan Airlines

Mon, Mar 16 - Tue, Apr 7

2:05 am - 2:55 pm

BKK

SEA

26h 50m

1 stop

12:10 am - 11:20 pm

SEA

BKK

33h 10m

1 stop

$647Multiple Airlines

Sat, Mar 14 - Sat, Mar 21

1:20 am - 2:55 pm

BKK

SEA

27h 35m

1 stop

12:55 am - 11:10 pm

SEA

BKK

32h 15m

1 stop

$657Asiana Airlines

Wed, Apr 15 - Tue, Jun 2

11:50 am - 7:10 pm

CNX

SEA

21h 20m

1 stop

11:50 pm - 10:35 am

SEA

CNX

20h 45m

1 stop

$786EVA Air

Sat, Mar 14 - Sat, Mar 21

11:50 am - 7:10 pm

CNX

SEA

21h 20m

1 stop

8:10 pm - 10:35 am

SEA

CNX

24h 25m

2 stops

$846Multiple Airlines

Sat, Mar 14 - Sat, Mar 21

12:15 am - 1:20 pm

CNX

SEA

28h 05m

1 stop

12:35 pm - 10:55 pm

SEA

CNX

20h 20m

1 stop

$898Delta

Sat, Feb 28 - Mon, Mar 16

11:50 am - 6:30 pm

CNX

SEA

20h 40m

1 stop

1:30 am - 10:25 am

SEA

CNX

18h 55m

1 stop

$1,065EVA 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

Mar 17

BKK11:50 pmBangkok Suvarnabhumi

33h 50m

1 stop

SEA7:40 pmSeattle/Tacoma Intl

Mar 22

SEA10:30 pmSeattle/Tacoma Intl

29h 20m

1 stop

BKK5:50 pmBangkok Suvarnabhumi

$637

Philippine Airlines

Mar 17

BKK11:50 pmBangkok Suvarnabhumi

33h 50m

1 stop

SEA7:40 pmSeattle/Tacoma Intl

Apr 7

SEA11:10 pmSeattle/Tacoma Intl

33h 30m

1 stop

BKK10:40 pmBangkok Suvarnabhumi

$638

Philippine Airlines

Jun 1

BKK7:30 pmBangkok Suvarnabhumi

38h 35m

1 stop

SEA8:05 pmSeattle/Tacoma Intl

Sep 16

SEA11:10 pmSeattle/Tacoma Intl

33h 30m

1 stop

BKK10:40 pmBangkok Suvarnabhumi

$668

Hainan Airlines flights from Thailand to Seattle

Our best Hainan Airlines deals on Thailand to Seattle flight tickets

Hainan Airlines

Mar 13

BKK1:05 amBangkok Suvarnabhumi

21h 55m

1 stop

SEA9:00 amSeattle/Tacoma Intl

Mar 21

SEA11:00 amSeattle/Tacoma Intl

22h 25m

1 stop

BKK11:25 pmBangkok Suvarnabhumi

$636

Hainan Airlines

Mar 16

BKK1:05 amBangkok Suvarnabhumi

21h 55m

1 stop

SEA9:00 amSeattle/Tacoma Intl

Apr 7

SEA11:00 amSeattle/Tacoma Intl

22h 00m

1 stop

BKK11:00 pmBangkok Suvarnabhumi

$642

Hainan Airlines

Mar 20

BKK1:05 amBangkok Suvarnabhumi

21h 55m

1 stop

SEA9:00 amSeattle/Tacoma Intl

Mar 28

SEA11:00 amSeattle/Tacoma Intl

22h 00m

1 stop

BKK11:00 pmBangkok Suvarnabhumi

$671

Fly from

Fly to

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 3/13

1:05 am-9:00 am

1 stop21h 55m

Seattle/Tacoma Intl

Sat 3/21

11:00 am-11:25 pm

1 stop22h 25m

$636

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 3/17

11:50 pm-7:40 pm

1 stop33h 50m

Seattle/Tacoma Intl

Sun 3/22

10:30 pm-5:50 pm

1 stop29h 20m

$637

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 3/17

11:50 pm-7:40 pm

1 stop33h 50m

Seattle/Tacoma Intl

Tue 4/7

11:10 pm-10:40 pm

1 stop33h 30m

$638

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 3/16

1:05 am-9:00 am

1 stop21h 55m

Seattle/Tacoma Intl

Tue 4/7

11:00 am-11:00 pm

1 stop22h 00m

$642

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 3/14

2:05 am-2:55 pm

1 stop26h 50m

Seattle/Tacoma Intl

Sat 3/21

12:10 am-11:20 pm

1 stop33h 10m

$647

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 4/15

1:20 am-2:55 pm

1 stop27h 35m

Seattle/Tacoma Intl

Tue 6/2

12:55 am-11:10 pm

1 stop32h 15m

$657

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 3/14

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Sat 3/21

11:50 pm-10:35 am

1 stop20h 45m

$786

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 3/14

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Sat 3/21

8:10 pm-10:35 am

2 stops24h 25m

$846

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 2/28

12:15 am-1:20 pm

1 stop28h 05m

Seattle/Tacoma Intl

Mon 3/16

12:35 pm-10:55 pm

1 stop20h 20m

$898

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 3/26

11:50 am-6:30 pm

1 stop20h 40m

Seattle/Tacoma Intl

Wed 4/29

1:30 am-10:25 am

1 stop18h 55m

$1,065

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 October to fly from Thailand, when ticket prices are also cheap, with an average price of $815.

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 $892 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 1% 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	20h 20m
Direct flights	None

The fastest flight from Thailand to Seattle takes 20h 20m

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 7.3 957 reviews	Search Philippine Airlines flights
STARLUX Airlines	PriceFrom $705	Free Cancellation	Rating 8.9 268 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $766	Free Cancellation	Rating 8.4 1,334 reviews	Search EVA Air flights
ANA	PriceFrom $768	Free Cancellation	Rating 8.4 1,078 reviews	Search ANA flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 802 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 8,128 reviews	Search Delta flights
Asiana Airlines	PriceFrom $845	Free Cancellation	Rating 8.1 501 reviews	Search Asiana Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

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Redmond

Cle Elum

Tukwila

Lakewood

Federal Way

Centralia

Westport

Kirkland

Fife

Tumwater

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.