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

Qatar Airways, Malaysia 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 31% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 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 7 as of May 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.

$515 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 $966 to $803. The lowest price recently found on this route was $803.

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

Enter your travel dates to find the best prices.

9:50 am - 10:40 am

BKK

SEA

38h 50m

1 stop

11:00 am - 9:30 pm

SEA

BKK

19h 30m

1 stop

$803Korean Air

Thu, Oct 22 - Fri, Nov 6

12:40 am - 9:00 am

BKK

SEA

22h 20m

1 stop

11:00 am - 2:20 pm

SEA

BKK

37h 20m

1 stop

$810Hainan Airlines

Mon, Oct 19 - Tue, Oct 27

9:40 pm - 1:37 pm

BKK

SEA

29h 57m

1 stop

1:00 pm - 1:05 am

SEA

BKK

22h 05m

1 stop

$816Delta

Sat, Sep 12 - Fri, Oct 16

9:50 am - 1:14 pm

BKK

SEA

17h 24m

1 stop

1:40 pm - 1:25 pm

SEA

BKK

33h 45m

1 stop

$818Delta

Wed, Oct 21 - Wed, Oct 28

2:35 am - 1:37 pm

BKK

SEA

25h 02m

1 stop

1:00 pm - 1:05 am

SEA

BKK

22h 05m

1 stop

$819Delta

Sun, Sep 13 - Tue, Oct 13

11:30 pm - 10:40 am

BKK

SEA

25h 10m

1 stop

11:00 am - 11:20 pm

SEA

BKK

21h 20m

1 stop

$820Korean Air

Sat, Oct 3 - Mon, Feb 22

9:40 pm - 10:40 am

BKK

SEA

27h 00m

1 stop

12:50 pm - 1:05 am

SEA

BKK

22h 15m

1 stop

$822Korean Air

Thu, Sep 10 - Wed, Sep 23

9:50 am - 10:40 am

BKK

SEA

38h 50m

1 stop

12:00 pm - 9:30 pm

SEA

BKK

19h 30m

1 stop

$823Korean Air

Fri, Oct 23 - Mon, Oct 26

7:30 am - 1:55 pm

DMK

SEA

21h 25m

2 stops

11:55 pm - 11:40 am

SEA

DMK

20h 45m

1 stop

$1,256Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

7:25 am - 4:10 pm

DMK

SEA

22h 45m

1 stop

12:45 am - 1:35 pm

SEA

DMK

22h 50m

1 stop

$1,300Multiple Airlines

Tue, Oct 20 - Mon, Oct 26

Delta flights from Bangkok to Seattle

Our best Delta deals on Bangkok to Seattle flight tickets

Delta

Sep 12

BKK9:40 pmBangkok Suvarnabhumi

29h 57m

1 stop

SEA1:37 pmSeattle/Tacoma Intl

Oct 16

SEA1:00 pmSeattle/Tacoma Intl

22h 05m

1 stop

BKK1:05 amBangkok Suvarnabhumi

$816

Delta

Oct 21

BKK9:50 amBangkok Suvarnabhumi

17h 24m

1 stop

SEA1:14 pmSeattle/Tacoma Intl

Oct 28

SEA1:40 pmSeattle/Tacoma Intl

33h 45m

1 stop

BKK1:25 pmBangkok Suvarnabhumi

$818

Delta

Sep 13

BKK2:35 amBangkok Suvarnabhumi

25h 02m

1 stop

SEA1:37 pmSeattle/Tacoma Intl

Oct 13

SEA1:00 pmSeattle/Tacoma Intl

22h 05m

1 stop

BKK1:05 amBangkok Suvarnabhumi

$819

Asiana Airlines flights from Bangkok to Seattle

Our best Asiana Airlines deals on Bangkok to Seattle flight tickets

Asiana Airlines

Sep 14

BKK11:45 amBangkok Suvarnabhumi

17h 30m

1 stop

SEA3:15 pmSeattle/Tacoma Intl

Oct 13

SEA12:10 amSeattle/Tacoma Intl

20h 30m

1 stop

BKK10:40 amBangkok Suvarnabhumi

$831

Asiana Airlines

Jul 5

BKK1:35 amBangkok Suvarnabhumi

28h 10m

1 stop

SEA3:45 pmSeattle/Tacoma Intl

Aug 11

SEA12:10 amSeattle/Tacoma Intl

33h 25m

1 stop

BKK11:35 pmBangkok Suvarnabhumi

$832

Asiana Airlines

Jul 1

BKK1:35 amBangkok Suvarnabhumi

28h 10m

1 stop

SEA3:45 pmSeattle/Tacoma Intl

Jul 10

SEA12:10 amSeattle/Tacoma Intl

20h 30m

1 stop

BKK10:40 amBangkok Suvarnabhumi

$855

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 10/22

9:50 am-10:40 am

1 stop38h 50m

Seattle/Tacoma Intl

Fri 11/6

11:00 am-9:30 pm

1 stop19h 30m

$803

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 10/19

12:40 am-9:00 am

1 stop22h 20m

Seattle/Tacoma Intl

Tue 10/27

11:00 am-2:20 pm

1 stop37h 20m

$810

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 9/12

9:40 pm-1:37 pm

1 stop29h 57m

Seattle/Tacoma Intl

Fri 10/16

1:00 pm-1:05 am

1 stop22h 05m

$816

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 10/21

9:50 am-1:14 pm

1 stop17h 24m

Seattle/Tacoma Intl

Wed 10/28

1:40 pm-1:25 pm

1 stop33h 45m

$818

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 9/13

2:35 am-1:37 pm

1 stop25h 02m

Seattle/Tacoma Intl

Tue 10/13

1:00 pm-1:05 am

1 stop22h 05m

$819

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 10/3

11:30 pm-10:40 am

1 stop25h 10m

Seattle/Tacoma Intl

Mon 2/22

11:00 am-11:20 pm

1 stop21h 20m

$820

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 9/10

9:40 pm-10:40 am

1 stop27h 00m

Seattle/Tacoma Intl

Wed 9/23

12:50 pm-1:05 am

1 stop22h 15m

$822

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 10/23

9:50 am-10:40 am

1 stop38h 50m

Seattle/Tacoma Intl

Mon 10/26

12:00 pm-9:30 pm

1 stop19h 30m

$823

Quickest round-trip

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Thu 11/5

7:30 am-1:55 pm

2 stops21h 25m

Seattle/Tacoma Intl

Thu 11/12

11:55 pm-11:40 am

1 stop20h 45m

$1,256

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Tue 10/20

7:25 am-4:10 pm

1 stop22h 45m

Seattle/Tacoma Intl

Mon 10/26

12:45 am-1:35 pm

1 stop22h 50m

$1,300

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 $868 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 20m
Direct flights	None

The fastest flight from Bangkok to Seattle takes 16h 20m

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 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 7 as of May 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 7.3 997 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $655	Free Cancellation	Rating 8.1 535 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $703	Free Cancellation	Rating 8.9 327 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $766	Free Cancellation	Rating 8.5 1,460 reviews	Search EVA Air flights
China Airlines	PriceFrom $774	Free Cancellation	Rating 8.3 826 reviews	Search China Airlines flights
Korean Air	PriceFrom $799	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
Delta	PriceFrom $803	Free Cancellation	Rating 7.9 8,419 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

Tumwater

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.