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

Delta is the most popular carrier operating from Bangkok to Seattle/Tacoma Intl

What airlines fly to Seattle?

STARLUX Airlines, EVA Air and Delta are the top three most popular airlines that fly to Seattle from Bangkok according to our data. STARLUX Airlines is the first choice among our users, with 34% 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 March 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.

$490 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 $981 to $762. The lowest price recently found on this route was $686.

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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.

9:35 am - 2:30 pm

BKK

SEA

42h 55m

2 stops

6:57 am - 11:25 am

SEA

BKK

37h 28m

2 stops

$686United Airlines

mer., mai 20 - ven., nov. 6

1:20 am - 2:55 pm

BKK

SEA

27h 35m

1 stop

12:55 am - 11:20 pm

SEA

BKK

32h 25m

1 stop

$687Asiana Airlines

dim., mai 10 - dim., mai 17

7:00 am - 4:15 pm

BKK

SEA

23h 15m

2 stops

4:30 pm - 4:35 am

SEA

BKK

22h 05m

1 stop

$688United Airlines

sam., sept. 12 - mar., sept. 22

9:35 am - 2:25 pm

BKK

SEA

18h 50m

1 stop

4:30 pm - 5:55 am

SEA

BKK

23h 25m

1 stop

$689ANA

mar., sept. 15 - dim., sept. 20

7:00 am - 6:30 pm

BKK

SEA

25h 30m

2 stops

10:35 am - 6:30 am

SEA

BKK

28h 55m

2 stops

$690ANA

lun., juin 15 - dim., janv. 10

2:35 am - 1:25 pm

BKK

SEA

24h 50m

1 stop

1:00 pm - 9:30 pm

SEA

BKK

41h 30m

1 stop

$691Delta

mar., juin 2 - dim., nov. 22

9:35 am - 11:24 pm

BKK

SEA

27h 49m

2 stops

7:06 am - 9:35 am

SEA

BKK

36h 29m

2 stops

$693United Airlines

mer., sept. 16 - dim., sept. 20

7:00 am - 6:29 pm

BKK

SEA

25h 29m

2 stops

7:06 am - 9:35 am

SEA

BKK

36h 29m

2 stops

$696United Airlines

sam., sept. 12 - dim., sept. 20

1:45 pm - 12:45 pm

DMK

SEA

37h 00m

2 stops

4:30 pm - 12:40 pm

SEA

DMK

30h 10m

2 stops

$1,160Multiple Airlines

lun., avr. 20 - mar., mai 5

6:40 am - 2:55 pm

DMK

SEA

22h 15m

2 stops

12:55 am - 5:10 pm

SEA

DMK

26h 15m

1 stop

$1,206Multiple Airlines

lun., juin 15 - lun., août 3

United Airlines flights from Bangkok to Seattle

Our best United Airlines deals on Bangkok to Seattle flight tickets

United Airlines

Sep 12

BKK7:00 amBangkok Suvarnabhumi

30h 24m

2 stops

SEA11:24 pmSeattle/Tacoma Intl

Sep 21

SEA6:51 pmSeattle/Tacoma Intl

24h 44m

2 stops

BKK9:35 amBangkok Suvarnabhumi

$688

United Airlines

Sep 16

BKK9:35 amBangkok Suvarnabhumi

27h 49m

2 stops

SEA11:24 pmSeattle/Tacoma Intl

Sep 20

SEA7:06 amSeattle/Tacoma Intl

36h 29m

2 stops

BKK9:35 amBangkok Suvarnabhumi

$693

United Airlines

Sep 12

BKK7:00 amBangkok Suvarnabhumi

25h 29m

2 stops

SEA6:29 pmSeattle/Tacoma Intl

Sep 20

SEA7:06 amSeattle/Tacoma Intl

36h 29m

2 stops

BKK9:35 amBangkok Suvarnabhumi

$696

ANA flights from Bangkok to Seattle

Our best ANA deals on Bangkok to Seattle flight tickets

ANA

Sep 15

BKK9:35 amBangkok Suvarnabhumi

18h 50m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Sep 20

SEA4:30 pmSeattle/Tacoma Intl

23h 25m

1 stop

BKK5:55 amBangkok Suvarnabhumi

$689

ANA

Jun 15

BKK7:00 amBangkok Suvarnabhumi

25h 30m

2 stops

SEA6:30 pmSeattle/Tacoma Intl

Jan 10

SEA10:35 amSeattle/Tacoma Intl

28h 55m

2 stops

BKK6:30 amBangkok Suvarnabhumi

$690

ANA

Jun 5

BKK7:00 amBangkok Suvarnabhumi

25h 30m

2 stops

SEA6:30 pmSeattle/Tacoma Intl

Sep 5

SEA5:22 pmSeattle/Tacoma Intl

40h 33m

2 stops

BKK11:55 pmBangkok Suvarnabhumi

$723

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mer. 5/20

9:35 am-2:30 pm

2 stops42h 55m

Seattle/Tacoma Intl

ven. 11/6

6:57 am-11:25 am

2 stops37h 28m

$686

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

dim. 5/10

1:20 am-2:55 pm

1 stop27h 35m

Seattle/Tacoma Intl

dim. 5/17

12:55 am-11:20 pm

1 stop32h 25m

$687

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

sam. 9/12

7:00 am-4:15 pm

2 stops23h 15m

Seattle/Tacoma Intl

mar. 9/22

4:30 pm-4:35 am

1 stop22h 05m

$688

Quickest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mar. 9/15

9:35 am-2:25 pm

1 stop18h 50m

Seattle/Tacoma Intl

dim. 9/20

4:30 pm-5:55 am

1 stop23h 25m

$689

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 6/15

7:00 am-6:30 pm

2 stops25h 30m

Seattle/Tacoma Intl

dim. 1/10

10:35 am-6:30 am

2 stops28h 55m

$690

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mar. 6/2

2:35 am-1:25 pm

1 stop24h 50m

Seattle/Tacoma Intl

dim. 11/22

1:00 pm-9:30 pm

1 stop41h 30m

$691

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mer. 9/16

9:35 am-11:24 pm

2 stops27h 49m

Seattle/Tacoma Intl

dim. 9/20

7:06 am-9:35 am

2 stops36h 29m

$693

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

sam. 9/12

7:00 am-6:29 pm

2 stops25h 29m

Seattle/Tacoma Intl

dim. 9/20

7:06 am-9:35 am

2 stops36h 29m

$696

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

lun. 4/20

1:45 pm-12:45 pm

2 stops37h 00m

Seattle/Tacoma Intl

mar. 5/5

4:30 pm-12:40 pm

2 stops30h 10m

$1,160

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

lun. 6/15

6:40 am-2:55 pm

2 stops22h 15m

Seattle/Tacoma Intl

lun. 8/3

12:55 am-5:10 pm

1 stop26h 15m

$1,206

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, March 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 $742. If you don’t want to visit Seattle in March, then you should wait until December to fly from Bangkok, when ticket prices are also cheap, with an average price of $766.

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 $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 $764 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	18h 50m
Direct flights	None

The fastest flight from Bangkok to Seattle takes 18h 50m

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. 18h 50m 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 March 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 7.3 978 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $655	Free Cancellation	Rating 8.1 507 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $705	Free Cancellation	Rating 9.0 293 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $764	Free Cancellation	Rating 8.5 1,394 reviews	Search EVA Air flights
China Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 817 reviews	Search China Airlines flights
Korean Air	PriceFrom $799	Free Cancellation	Rating 8.4 1,203 reviews	Search Korean Air flights
Delta	PriceFrom $825	Free Cancellation	Rating 7.9 8,363 reviews	Search Delta flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Redmond

Marysville

Puyallup

Cle Elum

Lakewood

Tukwila

Federal Way

Centralia

Fife

Westport

Kirkland

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.