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

China Airlines, STARLUX Airlines, and Qatar Airways 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 32% 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.

$505 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 $976 to $780. The lowest price recently found on this route was $505.

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.

11:30 pm - 3:15 pm

BKK

SEA

29h 45m

1 stop

12:10 am - 11:35 pm

SEA

BKK

33h 25m

1 stop

$505Multiple Airlines

Sun, Jun 14 - Sun, Jun 28

9:50 am - 3:15 pm

BKK

SEA

19h 25m

1 stop

12:10 am - 11:35 pm

SEA

BKK

33h 25m

1 stop

$535Multiple Airlines

Fri, Jun 5 - Fri, Sep 4

9:40 pm - 3:15 pm

BKK

SEA

31h 35m

1 stop

12:10 am - 1:05 am

SEA

BKK

34h 55m

1 stop

$549Multiple Airlines

Wed, Jun 24 - Mon, Jun 29

2:35 am - 3:45 pm

BKK

SEA

27h 10m

1 stop

12:10 am - 1:35 pm

SEA

BKK

23h 25m

1 stop

$558Multiple Airlines

Wed, Jul 8 - Mon, Sep 7

9:50 am - 3:15 pm

BKK

SEA

19h 25m

1 stop

12:10 am - 1:35 pm

SEA

BKK

23h 25m

1 stop

$561Multiple Airlines

Fri, Jun 5 - Fri, Sep 4

9:40 pm - 3:45 pm

BKK

SEA

32h 05m

1 stop

12:10 am - 1:05 am

SEA

BKK

34h 55m

1 stop

$574Multiple Airlines

Wed, Jul 15 - Sun, Sep 27

11:30 pm - 3:45 pm

BKK

SEA

30h 15m

1 stop

12:10 am - 11:35 pm

SEA

BKK

33h 25m

1 stop

$577Multiple Airlines

Wed, Jul 22 - Fri, Aug 21

9:50 am - 3:15 pm

BKK

SEA

19h 25m

1 stop

12:10 am - 11:35 pm

SEA

BKK

33h 25m

1 stop

$599Multiple Airlines

Fri, Jun 5 - Fri, Sep 4

2:35 am - 3:15 pm

BKK

SEA

26h 40m

1 stop

12:10 am - 11:35 pm

SEA

BKK

33h 25m

1 stop

$600Multiple Airlines

Sun, May 31 - Mon, Aug 31

9:40 pm - 3:15 pm

BKK

SEA

31h 35m

1 stop

12:10 am - 1:05 am

SEA

BKK

34h 55m

1 stop

$635Multiple Airlines

Sun, Jun 14 - Sun, Jun 28

United Airlines flights from Bangkok to Seattle

Our best United Airlines deals on Bangkok to Seattle flight tickets

United Airlines

Jun 1

BKK9:35 amBangkok Suvarnabhumi

18h 50m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Sep 1

SEA7:11 amSeattle/Tacoma Intl

36h 24m

2 stops

BKK9:35 amBangkok Suvarnabhumi

$828

United Airlines

Jun 5

BKK9:35 amBangkok Suvarnabhumi

29h 54m

2 stops

SEA1:29 amSeattle/Tacoma Intl

Sep 5

SEA4:30 pmSeattle/Tacoma Intl

22h 05m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$832

United Airlines

Jun 3

BKK9:35 amBangkok Suvarnabhumi

18h 50m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Aug 17

SEA10:55 amSeattle/Tacoma Intl

32h 40m

2 stops

BKK9:35 amBangkok Suvarnabhumi

$834

Emirates flights from Bangkok to Seattle

Our best Emirates deals on Bangkok to Seattle flight tickets

Emirates

Sep 24

DMK12:10 pmBangkok Don Mueang Intl

39h 15m

1 stop

SEA1:25 pmSeattle/Tacoma Intl

Oct 5

SEA5:15 pmSeattle/Tacoma Intl

37h 30m

1 stop

DMK8:45 pmBangkok Don Mueang Intl

$1,582

Emirates

Oct 19

DMK11:50 pmBangkok Don Mueang Intl

27h 35m

1 stop

SEA1:25 pmSeattle/Tacoma Intl

Oct 25

SEA5:05 pmSeattle/Tacoma Intl

37h 10m

1 stop

DMK8:15 pmBangkok Don Mueang Intl

$1,594

Emirates

Sep 14

DMK11:50 pmBangkok Don Mueang Intl

27h 35m

1 stop

SEA1:25 pmSeattle/Tacoma Intl

Sep 18

SEA5:15 pmSeattle/Tacoma Intl

27h 55m

1 stop

DMK11:10 amBangkok Don Mueang Intl

$1,602

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 6/14

11:30 pm-3:15 pm

1 stop29h 45m

Seattle/Tacoma Intl

Sun 6/28

12:10 am-11:35 pm

1 stop33h 25m

$505

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 6/5

9:50 am-3:15 pm

1 stop19h 25m

Seattle/Tacoma Intl

Fri 9/4

12:10 am-11:35 pm

1 stop33h 25m

$535

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 6/24

9:40 pm-3:15 pm

1 stop31h 35m

Seattle/Tacoma Intl

Mon 6/29

12:10 am-1:05 am

1 stop34h 55m

$549

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 7/8

2:35 am-3:45 pm

1 stop27h 10m

Seattle/Tacoma Intl

Mon 9/7

12:10 am-1:35 pm

1 stop23h 25m

$558

Quickest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 6/5

9:50 am-3:15 pm

1 stop19h 25m

Seattle/Tacoma Intl

Fri 9/4

12:10 am-1:35 pm

1 stop23h 25m

$561

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 7/15

9:40 pm-3:45 pm

1 stop32h 05m

Seattle/Tacoma Intl

Sun 9/27

12:10 am-1:05 am

1 stop34h 55m

$574

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 7/22

11:30 pm-3:45 pm

1 stop30h 15m

Seattle/Tacoma Intl

Fri 8/21

12:10 am-11:35 pm

1 stop33h 25m

$577

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 6/5

9:50 am-3:15 pm

1 stop19h 25m

Seattle/Tacoma Intl

Fri 9/4

12:10 am-11:35 pm

1 stop33h 25m

$599

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 5/31

2:35 am-3:15 pm

1 stop26h 40m

Seattle/Tacoma Intl

Mon 8/31

12:10 am-11:35 pm

1 stop33h 25m

$600

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 6/14

9:40 pm-3:15 pm

1 stop31h 35m

Seattle/Tacoma Intl

Sun 6/28

12:10 am-1:05 am

1 stop34h 55m

$635

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 $867 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	19h 10m
Direct flights	None

The fastest flight from Bangkok to Seattle takes 19h 10m

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. 19h 10m 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 7.3 996 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $655	Free Cancellation	Rating 8.1 532 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $703	Free Cancellation	Rating 8.9 314 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $766	Free Cancellation	Rating 8.5 1,448 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 8,455 reviews	Search Delta flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Tukwila

Puyallup

Marysville

Lakewood

Cle Elum

Federal Way

Centralia

Fife

Westport

Shoreline

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.