What airlines fly to Seattle?

Philippine Airlines, EVA Air and STARLUX Airlines are the top three most popular airlines that fly to Seattle from Bangkok according to our data. Philippine Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 9 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 Bangkok to Seattle/Tacoma Intl?

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

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 9 as of August 2025.

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.

$437 Cheap Flights from Bangkok to Seattle in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Bangkok to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

11:35 pm - 6:35 pmBKK-SEA

34h 00m1 stop

11:55 pm - 9:50 pmSEA-BKK

31h 55m1 stop

$664Philippine Airlines

Find Deal

Mon, Jan 19 - Wed, Apr 8

1:30 pm - 7:15 pmBKK-SEA

19h 45m1 stop

11:35 pm - 10:25 pmSEA-BKK

32h 50m1 stop

$665Philippine Airlines

Find Deal

Wed, Sep 17 - Wed, Oct 8

11:35 pm - 6:35 pmBKK-SEA

34h 00m1 stop

11:55 pm - 12:05 pmSEA-BKK

22h 10m1 stop

$667Philippine Airlines

Find Deal

Wed, Jan 21 - Fri, Apr 17

2:35 am - 12:30 pmBKK-SEA

23h 55m1 stop

2:15 pm - 11:10 pmSEA-BKK

18h 55m1 stop

$690

Find Deal

Sat, Oct 4 - Tue, Oct 21

11:55 am - 12:30 pmBKK-SEA

38h 35m1 stop

12:10 am - 9:30 pmSEA-BKK

30h 20m1 stop

$737

Find Deal

Fri, Sep 19 - Sun, Dec 7

11:55 am - 12:30 pmBKK-SEA

38h 35m1 stop

12:10 am - 11:15 amSEA-BKK

20h 05m1 stop

$767Asiana Airlines

Find Deal

Fri, Sep 19 - Mon, Dec 8

5:50 pm - 4:10 pmBKK-SEA

36h 20m1 stop

11:45 pm - 4:30 pmSEA-BKK

25h 45m1 stop

$773STARLUX Airlines

Find Deal

Thu, Oct 16 - Sat, Nov 8

1:10 pm - 4:10 pmBKK-SEA

17h 00m1 stop

1:15 am - 4:40 pmSEA-BKK

25h 25m1 stop

$774STARLUX Airlines

Find Deal

Tue, Sep 16 - Tue, Oct 7

1:20 am - 12:30 pmBKK-SEA

25h 10m1 stop

12:10 am - 10:05 pmSEA-BKK

31h 55m1 stop

$779Asiana Airlines

Find Deal

Wed, Sep 17 - Mon, Oct 27

2:40 am - 7:45 pmBKK-SEA

31h 05m1 stop

1:10 am - 1:25 amSEA-BKK

34h 15m1 stop

$807China Airlines

Find Deal

Sat, Sep 13 - Thu, Sep 18

Asiana Airlines flights from Bangkok to Seattle

Our best Asiana Airlines deals on Bangkok to Seattle flight tickets

Asiana Airlines

Sep 19

BKK11:55 amBangkok Suvarnabhumi

38h 35m

1 stop

SEA12:30 pmSeattle/Tacoma Intl

Dec 8

SEA12:10 amSeattle/Tacoma Intl

20h 05m

1 stop

BKK11:15 amBangkok Suvarnabhumi

$767

Find similar

Asiana Airlines

Sep 17

BKK1:20 amBangkok Suvarnabhumi

25h 10m

1 stop

SEA12:30 pmSeattle/Tacoma Intl

Oct 27

SEA12:10 amSeattle/Tacoma Intl

31h 55m

1 stop

BKK10:05 pmBangkok Suvarnabhumi

$779

Find similar

Asiana Airlines

Sep 3

BKK1:20 amBangkok Suvarnabhumi

25h 10m

1 stop

SEA12:30 pmSeattle/Tacoma Intl

Oct 25

SEA2:15 pmSeattle/Tacoma Intl

31h 00m

1 stop

BKK11:15 amBangkok Suvarnabhumi

$981

Find similar

Philippine Airlines flights from Bangkok to Seattle

Our best Philippine Airlines deals on Bangkok to Seattle flight tickets

Philippine Airlines

Jan 19

BKK11:35 pmBangkok Suvarnabhumi

34h 00m

1 stop

SEA6:35 pmSeattle/Tacoma Intl

Apr 8

SEA11:55 pmSeattle/Tacoma Intl

31h 55m

1 stop

BKK9:50 pmBangkok Suvarnabhumi

$664

Find similar

Philippine Airlines

Sep 17

BKK1:30 pmBangkok Suvarnabhumi

19h 45m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Oct 8

SEA11:35 pmSeattle/Tacoma Intl

32h 50m

1 stop

BKK10:25 pmBangkok Suvarnabhumi

$665

Find similar

Philippine Airlines

Jan 21

BKK11:35 pmBangkok Suvarnabhumi

34h 00m

1 stop

SEA6:35 pmSeattle/Tacoma Intl

Apr 17

SEA11:55 pmSeattle/Tacoma Intl

22h 10m

1 stop

BKK12:05 pmBangkok Suvarnabhumi

$667

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 1/19

11:35 pm-6:35 pm

1 stop34h 00m

Seattle/Tacoma Intl

Wed 4/8

11:55 pm-9:50 pm

1 stop31h 55m

$664

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 9/17

1:30 pm-7:15 pm

1 stop19h 45m

Seattle/Tacoma Intl

Wed 10/8

11:35 pm-10:25 pm

1 stop32h 50m

$665

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 1/21

11:35 pm-6:35 pm

1 stop34h 00m

Seattle/Tacoma Intl

Fri 4/17

11:55 pm-12:05 pm

1 stop22h 10m

$667

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 10/4

2:35 am-12:30 pm

1 stop23h 55m

Seattle/Tacoma Intl

Tue 10/21

2:15 pm-11:10 pm

1 stop18h 55m

$690

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 9/19

11:55 am-12:30 pm

1 stop38h 35m

Seattle/Tacoma Intl

Sun 12/7

12:10 am-9:30 pm

1 stop30h 20m

$737

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 9/19

11:55 am-12:30 pm

1 stop38h 35m

Seattle/Tacoma Intl

Mon 12/8

12:10 am-11:15 am

1 stop20h 05m

$767

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 10/16

5:50 pm-4:10 pm

1 stop36h 20m

Seattle/Tacoma Intl

Sat 11/8

11:45 pm-4:30 pm

1 stop25h 45m

$773

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 9/16

1:10 pm-4:10 pm

1 stop17h 00m

Seattle/Tacoma Intl

Tue 10/7

1:15 am-4:40 pm

1 stop25h 25m

$774

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 9/17

1:20 am-12:30 pm

1 stop25h 10m

Seattle/Tacoma Intl

Mon 10/27

12:10 am-10:05 pm

1 stop31h 55m

$779

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 9/13

2:40 am-7:45 pm

1 stop31h 05m

Seattle/Tacoma Intl

Thu 9/18

1:10 am-1:25 am

1 stop34h 15m

$807

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 cheapest month to fly to Seattle?

In general, February 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 $741. If you don’t want to visit Seattle in February, then you should wait until November to fly from Bangkok, when ticket prices are also cheap, with an average price of $747.

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

On average, the least expensive day to fly to Seattle from Bangkok 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 Bangkok 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 Bangkok 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 Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $907 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 $738 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

Direct flights	None

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

Search flight deals

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 20m 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 9 as of August 2025.
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 $551	Free Cancellation	Rating 7.2 899 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $638	Free Cancellation	Rating 8.2 475 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $703	Free Cancellation	Rating 9.0 207 reviews	Search STARLUX Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 764 reviews	Search China Airlines flights
Korean Air	PriceFrom $801	Free Cancellation	Rating 8.4 1,131 reviews	Search Korean Air flights
Delta	PriceFrom $829	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
EVA Air	PriceFrom $831	Free Cancellation	Rating 8.4 1,232 reviews	Search EVA Air flights
ANA	PriceFrom $867	Free Cancellation	Rating 8.4 938 reviews	Search ANA flights
Japan Airlines	PriceFrom $922	Free Cancellation	Rating 8.3 1,552 reviews	Search Japan Airlines flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Kent

Lynnwood

Federal Way

Marysville

Puyallup

Tukwila

Kirkland

Lakewood

Centralia

Cle Elum

Shoreline

Fife

Redmond

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.