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Cheap flights from Bangkok Suvarnabhumi Airport to Seattle from $514

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok Suvarnabhumi Airport to Seattle departing on 6/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Bangkok Suvarnabhumi Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:30 pm - 3:15 pm
BKK
-
SEA
29h 45m
1 stop
Multiple Airlines Logo
12:10 am - 9:45 pm
SEA
-
BKK
31h 35m
1 stop
$615Multiple Airlines
Thu, Sep 3 - Sun, Sep 6
Multiple Airlines Logo
11:30 pm - 3:15 pm
BKK
-
SEA
29h 45m
1 stop
Multiple Airlines Logo
12:10 am - 1:05 am
SEA
-
BKK
34h 55m
1 stop
$649Multiple Airlines
Wed, Sep 2 - Sun, Sep 6
Multiple Airlines Logo
9:50 am - 3:15 pm
BKK
-
SEA
19h 25m
1 stop
Multiple Airlines Logo
12:10 am - 1:05 am
SEA
-
BKK
34h 55m
1 stop
$666Multiple Airlines
Fri, Sep 4 - Mon, Sep 28
Multiple Airlines Logo
11:45 am - 3:15 pm
BKK
-
SEA
17h 30m
1 stop
Multiple Airlines Logo
12:10 am - 1:05 am
SEA
-
BKK
34h 55m
1 stop
$713Multiple Airlines
Tue, Oct 6 - Tue, Oct 13
Multiple Airlines Logo
11:45 am - 3:15 pm
BKK
-
SEA
17h 30m
1 stop
Multiple Airlines Logo
12:10 am - 1:05 am
SEA
-
BKK
34h 55m
1 stop
$716Multiple Airlines
Tue, Oct 6 - Tue, Oct 13
Multiple Airlines Logo
2:35 am - 3:15 pm
BKK
-
SEA
26h 40m
1 stop
Multiple Airlines Logo
12:10 am - 1:05 am
SEA
-
BKK
34h 55m
1 stop
$733Multiple Airlines
Thu, Jun 18 - Sun, Jul 19
Multiple Airlines Logo
2:35 am - 3:15 pm
BKK
-
SEA
26h 40m
1 stop
Multiple Airlines Logo
12:10 am - 11:35 pm
SEA
-
BKK
33h 25m
1 stop
$768Multiple Airlines
Sun, Jun 14 - Sun, Jun 28
Asiana Airlines Logo
11:45 am - 3:15 pm
BKK
-
SEA
17h 30m
1 stop
Asiana Airlines Logo
12:10 am - 10:40 am
SEA
-
BKK
20h 30m
1 stop
$779Asiana Airlines
Tue, Sep 8 - Tue, Oct 20
Multiple Airlines Logo
2:35 am - 3:15 pm
BKK
-
SEA
26h 40m
1 stop
Multiple Airlines Logo
12:10 am - 9:45 pm
SEA
-
BKK
31h 35m
1 stop
$792Multiple Airlines
Wed, Jun 10 - Thu, Jun 25
Delta Logo
2:35 am - 1:25 pm
BKK
-
SEA
24h 50m
1 stop
Delta Logo
1:05 pm - 1:05 am
SEA
-
BKK
22h 00m
1 stop
$807Delta
Sun, Jun 14 - Mon, Jul 27

Korean Air flights from Bangkok Suvarnabhumi Airport to Seattle

Our best Korean Air deals on Bangkok Suvarnabhumi Airport to Seattle flight tickets
Korean Air
Oct 24
BKK2:35 amBangkok Suvarnabhumi
21h 25m
1 stop
SEA10:00 amSeattle/Tacoma Intl
Nov 1
SEA11:00 amSeattle/Tacoma Intl
35h 25m
1 stop
BKK1:25 pmBangkok Suvarnabhumi
$786
Korean Air
Jun 18
BKK9:50 amBangkok Suvarnabhumi
39h 10m
1 stop
SEA11:00 amSeattle/Tacoma Intl
Jul 26
SEA1:20 pmSeattle/Tacoma Intl
20h 15m
1 stop
BKK11:35 pmBangkok Suvarnabhumi
$811
Korean Air
Sep 21
BKK2:35 amBangkok Suvarnabhumi
22h 05m
1 stop
SEA10:40 amSeattle/Tacoma Intl
Sep 23
SEA12:50 pmSeattle/Tacoma Intl
20h 45m
1 stop
BKK11:35 pmBangkok Suvarnabhumi
$828

Delta flights from Bangkok Suvarnabhumi Airport to Seattle

Our best Delta deals on Bangkok Suvarnabhumi Airport to Seattle flight tickets
Delta
Jun 1
BKK9:40 pmBangkok Suvarnabhumi
29h 45m
1 stop
SEA1:25 pmSeattle/Tacoma Intl
Sep 16
SEA1:00 pmSeattle/Tacoma Intl
18h 45m
1 stop
BKK9:45 pmBangkok Suvarnabhumi
$804
Delta
Jun 14
BKK2:35 amBangkok Suvarnabhumi
24h 50m
1 stop
SEA1:25 pmSeattle/Tacoma Intl
Jul 27
SEA1:05 pmSeattle/Tacoma Intl
22h 00m
1 stop
BKK1:05 amBangkok Suvarnabhumi
$807
Delta
Jun 1
BKK9:50 amBangkok Suvarnabhumi
17h 35m
1 stop
SEA1:25 pmSeattle/Tacoma Intl
Sep 16
SEA1:00 pmSeattle/Tacoma Intl
20h 35m
1 stop
BKK11:35 pmBangkok Suvarnabhumi
$809

momondo Fare Finder

 
Customize your flight search to find flights from Bangkok Suvarnabhumi Airport to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 9/3

11:30 pm-3:15 pm

1 stop29h 45m

Seattle/Tacoma Intl

Sun 9/6

12:10 am-9:45 pm

1 stop31h 35m

$615

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 9/2

11:30 pm-3:15 pm

1 stop29h 45m

Seattle/Tacoma Intl

Sun 9/6

12:10 am-1:05 am

1 stop34h 55m

$649

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 9/4

9:50 am-3:15 pm

1 stop19h 25m

Seattle/Tacoma Intl

Mon 9/28

12:10 am-1:05 am

1 stop34h 55m

$666

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 10/6

11:45 am-3:15 pm

1 stop17h 30m

Seattle/Tacoma Intl

Tue 10/13

12:10 am-1:05 am

1 stop34h 55m

$713

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 10/6

11:45 am-3:15 pm

1 stop17h 30m

Seattle/Tacoma Intl

Tue 10/13

12:10 am-1:05 am

1 stop34h 55m

$716

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 6/18

2:35 am-3:15 pm

1 stop26h 40m

Seattle/Tacoma Intl

Sun 7/19

12:10 am-1:05 am

1 stop34h 55m

$733

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 6/14

2:35 am-3:15 pm

1 stop26h 40m

Seattle/Tacoma Intl

Sun 6/28

12:10 am-11:35 pm

1 stop33h 25m

$768
Quickest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 9/8

11:45 am-3:15 pm

1 stop17h 30m

Seattle/Tacoma Intl

Tue 10/20

12:10 am-10:40 am

1 stop20h 30m

$779

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 6/10

2:35 am-3:15 pm

1 stop26h 40m

Seattle/Tacoma Intl

Thu 6/25

12:10 am-9:45 pm

1 stop31h 35m

$792

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 6/14

2:35 am-1:25 pm

1 stop24h 50m

Seattle/Tacoma Intl

Mon 7/27

1:05 pm-1:05 am

1 stop22h 00m

$807

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Bangkok Suvarnabhumi Airport 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

What is the typical price of a round-trip flight between Bangkok Suvarnabhumi Airport and Seattle?

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport, when ticket prices are also cheap, with an average price of $765.

How far in advance should I book a flight from Bangkok Suvarnabhumi Airport to Seattle?

You are more likely to see cheaper flights to Seattle from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $863 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Bangkok Suvarnabhumi Airport for as low as $737 on momondo.

Can stopping save me money on Bangkok Suvarnabhumi Airport to Seattle flights?

You could potentially save up to 15% on your flight if you consider stops on a Bangkok Suvarnabhumi Airport to Seattle flight.

How have Bangkok Suvarnabhumi Airport to Seattle flight prices changed over time?

As of April 2026, prices for Bangkok Suvarnabhumi Airport to Seattle flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Bangkok Suvarnabhumi Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Bangkok Suvarnabhumi Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bangkok Suvarnabhumi Airport to Seattle (BKK to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok Suvarnabhumi Airport to Seattle

Fastest flight time

17h 51m

Direct flights

None
The fastest flight from Bangkok Suvarnabhumi Airport to Seattle takes 17h 51m
There are no direct flights from Bangkok Suvarnabhumi Airport to Seattle. There are no popular flight routes from Bangkok Suvarnabhumi Airport to Seattle.
Search flight deals

Frequently asked questions about flying from Bangkok Suvarnabhumi Airport to Seattle

  • How far is Bangkok Suvarnabhumi to Seattle/Tacoma Intl by plane?

    The straight-line distance from Bangkok Suvarnabhumi to Seattle/Tacoma Intl is 7433.8 mi. By plane, this route typically takes 17h 51m.

  • When did momondo last update prices for flights from Bangkok Suvarnabhumi Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Bangkok Suvarnabhumi Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Bangkok Suvarnabhumi Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Bangkok Suvarnabhumi Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangkok Suvarnabhumi Airport 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.

  • What is the most popular airline from Bangkok Suvarnabhumi Airport to Seattle?

Best airlines flying from Bangkok Suvarnabhumi Airport to Seattle

Compare and see reviews for airlines that fly from Bangkok Suvarnabhumi Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Philippine AirlinesPriceFrom $625Free CancellationRating
7.3
994 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $655Free CancellationRating
8.1
524 reviews
Search Asiana Airlines flights
STARLUX AirlinesPriceFrom $703Free CancellationRating
8.9
304 reviews
Search STARLUX Airlines flights
EVA AirPriceFrom $766Free CancellationRating
8.5
1,435 reviews
Search EVA Air flights
China AirlinesPriceFrom $774Free CancellationRating
8.3
819 reviews
Search China Airlines flights
Korean AirPriceFrom $799Free CancellationRating
8.4
1,216 reviews
Search Korean Air flights
DeltaPriceFrom $837Free CancellationRating
7.9
8,463 reviews
Search Delta flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Marysville
Puyallup
Tukwila
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Shoreline
Westport
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to Seattle?

Finding the right flight to Seattle from Bangkok is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Bangkok to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Bangkok with this policy.

How can momondo help me find flights from Bangkok to Seattle?

momondo helps you find the best flight between Bangkok 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 Bangkok to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Bangkok and alert you when they change.

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