What airlines fly to Seattle?

EVA Air, STARLUX Airlines and Philippine Airlines 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 31% 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, STARLUX Airlines, and China 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 16h 35m 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 December 2025, 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.

$428 Cheap Flights from Thailand to Seattle in 2025/26

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Find the cheapest flights from Thailand to Seattle

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Recent round-trip flight deals from Thailand to Seattle

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1:05 am - 9:00 am

BKK

SEA

21h 55m1 stop

11:00 am - 12:20 pm

SEA

BKK

35h 20m1 stop

$632Hainan Airlines

lun., mar. 23 - sáb., abr. 11

1:05 am - 9:00 am

BKK

SEA

21h 55m1 stop

11:00 am - 12:20 pm

SEA

BKK

35h 20m1 stop

$642Hainan Airlines

lun., mar. 16 - mar., abr. 7

1:05 am - 9:00 am

BKK

SEA

21h 55m1 stop

11:00 am - 11:00 pm

SEA

BKK

22h 00m1 stop

$643Hainan Airlines

lun., mar. 16 - mar., abr. 7

4:20 pm - 9:00 am

BKK

SEA

30h 40m1 stop

11:00 am - 12:20 pm

SEA

BKK

35h 20m1 stop

$656Hainan Airlines

vie., mar. 27 - sáb., abr. 11

11:40 pm - 8:05 pm

BKK

SEA

34h 25m1 stop

11:10 pm - 12:10 pm

SEA

BKK

23h 00m1 stop

$657Philippine Airlines

lun., jun. 1 - mié., sep. 16

7:30 pm - 8:05 pm

BKK

SEA

38h 35m1 stop

11:10 pm - 10:40 pm

SEA

BKK

33h 30m1 stop

$658Philippine Airlines

lun., jun. 1 - mié., sep. 16

11:50 am - 6:10 pm

CNX

SEA

21h 20m1 stop

11:30 pm - 10:35 am

SEA

CNX

20h 05m1 stop

$772EVA Air

sáb., ene. 24 - sáb., ene. 31

11:50 am - 7:10 pm

CNX

SEA

21h 20m1 stop

1:30 am - 10:25 am

SEA

CNX

18h 55m1 stop

$804EVA Air

jue., mar. 26 - mié., abr. 29

11:25 am - 7:10 pm

CNX

SEA

21h 45m1 stop

8:00 pm - 10:20 am

SEA

CNX

24h 20m2 stops

$886Multiple Airlines

jue., mar. 26 - jue., abr. 30

9:25 am - 6:30 pm

CNX

SEA

23h 05m2 stops

1:30 am - 1:45 pm

SEA

CNX

22h 15m2 stops

$950Multiple Airlines

jue., mar. 26 - mié., abr. 29

STARLUX Airlines flights from Thailand to Seattle

Our best STARLUX Airlines deals on Thailand to Seattle flight tickets

STARLUX Airlines

Jan 25

BKK5:40 pmBangkok Suvarnabhumi

36h 25m

1 stop

SEA3:05 pmSeattle/Tacoma Intl

Feb 1

SEA11:45 pmSeattle/Tacoma Intl

25h 45m

1 stop

BKK4:30 pmBangkok Suvarnabhumi

$740

Find similar

STARLUX Airlines

Apr 14

BKK1:10 pmBangkok Suvarnabhumi

17h 00m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

Jul 11

SEA1:15 amSeattle/Tacoma Intl

25h 25m

1 stop

BKK4:40 pmBangkok Suvarnabhumi

$747

Find similar

STARLUX Airlines

Apr 14

BKK1:10 pmBangkok Suvarnabhumi

17h 00m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

Jul 9

SEA1:15 amSeattle/Tacoma Intl

20h 45m

1 stop

BKK12:00 pmBangkok Suvarnabhumi

$748

Find similar

EVA Air flights from Thailand to Seattle

Our best EVA Air deals on Thailand to Seattle flight tickets

EVA Air

Jan 24

CNX11:50 amChiang Mai

21h 20m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

Jan 31

SEA11:30 pmSeattle/Tacoma Intl

20h 05m

1 stop

CNX10:35 amChiang Mai

$772

Find similar

EVA Air

Mar 26

CNX11:50 amChiang Mai

21h 20m

1 stop

SEA7:10 pmSeattle/Tacoma Intl

Apr 29

SEA1:30 amSeattle/Tacoma Intl

18h 55m

1 stop

CNX10:25 amChiang Mai

$804

Find similar

EVA Air

Mar 26

CNX11:50 amChiang Mai

21h 20m

1 stop

SEA7:10 pmSeattle/Tacoma Intl

Apr 29

SEA1:30 amSeattle/Tacoma Intl

18h 55m

1 stop

CNX10:25 amChiang Mai

$805

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 3/23

1:05 am-9:00 am

1 stop21h 55m

Seattle/Tacoma Intl

sáb. 4/11

11:00 am-12:20 pm

1 stop35h 20m

$632

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 3/16

1:05 am-9:00 am

1 stop21h 55m

Seattle/Tacoma Intl

mar. 4/7

11:00 am-12:20 pm

1 stop35h 20m

$642

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 3/16

1:05 am-9:00 am

1 stop21h 55m

Seattle/Tacoma Intl

mar. 4/7

11:00 am-11:00 pm

1 stop22h 00m

$643

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

vie. 3/27

4:20 pm-9:00 am

1 stop30h 40m

Seattle/Tacoma Intl

sáb. 4/11

11:00 am-12:20 pm

1 stop35h 20m

$656

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 6/1

11:40 pm-8:05 pm

1 stop34h 25m

Seattle/Tacoma Intl

mié. 9/16

11:10 pm-12:10 pm

1 stop23h 00m

$657

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 6/1

7:30 pm-8:05 pm

1 stop38h 35m

Seattle/Tacoma Intl

mié. 9/16

11:10 pm-10:40 pm

1 stop33h 30m

$658

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

sáb. 1/24

11:50 am-6:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

sáb. 1/31

11:30 pm-10:35 am

1 stop20h 05m

$772

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

jue. 3/26

11:50 am-7:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

mié. 4/29

1:30 am-10:25 am

1 stop18h 55m

$804

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

jue. 3/26

11:25 am-7:10 pm

1 stop21h 45m

Seattle/Tacoma Intl

jue. 4/30

8:00 pm-10:20 am

2 stops24h 20m

$886

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

jue. 3/26

9:25 am-6:30 pm

2 stops23h 05m

Seattle/Tacoma Intl

mié. 4/29

1:30 am-1:45 pm

2 stops22h 15m

$950

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, February 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 $748. If you don’t want to visit Seattle in February, then you should wait until December to fly from Thailand, when ticket prices are also cheap, with an average price of $793.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Thailand is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $960. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Thailand because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,014.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Thailand at noon is the least expensive time of day to depart. momondo users have found prices as low as $651 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $1,039. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $890 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 $772 on momondo.

Can stopping save me money on Thailand to Seattle flights?

You could potentially save up to 16% 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	16h 35m
Direct flights	None

The fastest flight from Thailand to Seattle takes 16h 35m

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 December 2025, 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 7.3 941 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $651	Free Cancellation	Rating 8.2 492 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $705	Free Cancellation	Rating 8.9 243 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $766	Free Cancellation	Rating 8.4 1,296 reviews	Search EVA Air flights
ANA	PriceFrom $781	Free Cancellation	Rating 8.4 1,021 reviews	Search ANA flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.2 788 reviews	Search China Airlines flights
Korean Air	PriceFrom $801	Free Cancellation	Rating 8.4 1,184 reviews	Search Korean Air flights
Delta	PriceFrom $829	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Cle Elum

Federal Way

Lakewood

Fife

Westport

Kirkland

Centralia

Shoreline

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.