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Cheap flights from Bangkok Suvarnabhumi Airport to Seattle from $429

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 12/20. 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.
Hainan Airlines Logo
1:05 am - 8:00 am
BKK
-
SEA
21h 55m1 stop
Hainan Airlines Logo
11:00 am - 2:20 pm
SEA
-
BKK
37h 20m1 stop
$643Hainan Airlines
lun., mar. 2 - mar., mar. 24
Philippine Airlines Logo
11:40 pm - 8:05 pm
BKK
-
SEA
34h 25m1 stop
Philippine Airlines Logo
11:10 pm - 12:10 pm
SEA
-
BKK
23h 00m1 stop
$659Philippine Airlines
lun., jun. 1 - mié., sep. 16
Philippine Airlines Logo
7:30 pm - 8:05 pm
BKK
-
SEA
38h 35m1 stop
Philippine Airlines Logo
11:10 pm - 12:10 pm
SEA
-
BKK
23h 00m1 stop
$661Philippine Airlines
mié., abr. 29 - mié., sep. 9
Philippine Airlines Logo
1:25 pm - 8:05 pm
BKK
-
SEA
20h 40m1 stop
Philippine Airlines Logo
11:10 pm - 10:40 pm
SEA
-
BKK
33h 30m1 stop
$666Philippine Airlines
mar., mar. 31 - vie., jun. 5
Philippine Airlines Logo
1:25 pm - 8:05 pm
BKK
-
SEA
20h 40m1 stop
Philippine Airlines Logo
11:10 pm - 12:10 pm
SEA
-
BKK
23h 00m1 stop
$679Philippine Airlines
mar., abr. 28 - jue., sep. 10
Philippine Airlines Logo
11:50 pm - 6:40 pm
BKK
-
SEA
33h 50m1 stop
Philippine Airlines Logo
9:30 pm - 5:50 pm
SEA
-
BKK
29h 20m1 stop
$685Philippine Airlines
mié., ene. 28 - mié., feb. 4
Philippine Airlines Logo
1:25 pm - 8:05 pm
BKK
-
SEA
20h 40m1 stop
Philippine Airlines Logo
11:10 pm - 12:10 pm
SEA
-
BKK
23h 00m1 stop
$689Philippine Airlines
jue., abr. 30 - jue., sep. 10
Philippine Airlines Logo
1:20 pm - 6:40 pm
BKK
-
SEA
20h 20m1 stop
Philippine Airlines Logo
10:30 pm - 11:00 pm
SEA
-
BKK
34h 30m1 stop
$690Philippine Airlines
mar., feb. 10 - mar., mar. 10
Multiple Airlines Logo
1:20 am - 2:55 pm
BKK
-
SEA
27h 35m1 stop
Multiple Airlines Logo
12:10 am - 11:25 pm
SEA
-
BKK
33h 15m1 stop
$704Multiple Airlines
dom., abr. 19 - dom., ago. 30
Multiple Airlines Logo
9:40 pm - 2:55 pm
BKK
-
SEA
31h 15m1 stop
Multiple Airlines Logo
12:10 am - 11:10 pm
SEA
-
BKK
33h 00m1 stop
$709Multiple Airlines
lun., jun. 1 - vie., jul. 31

ANA flights from Bangkok Suvarnabhumi Airport to Seattle

Our best ANA deals on Bangkok Suvarnabhumi Airport to Seattle flight tickets
ANA
May 22
BKK1:55 pmBangkok Suvarnabhumi
38h 30m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
Jun 2
SEA9:55 amSeattle/Tacoma Intl
28h 40m
2 stops
BKK4:35 amBangkok Suvarnabhumi
$778
Find similar
ANA
Jan 26
BKK2:25 pmBangkok Suvarnabhumi
37h 55m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
May 23
SEA4:30 pmSeattle/Tacoma Intl
22h 05m
1 stop
BKK4:35 amBangkok Suvarnabhumi
$792
Find similar
ANA
Jun 1
BKK7:00 amBangkok Suvarnabhumi
27h 48m
2 stops
SEA8:48 pmSeattle/Tacoma Intl
Sep 16
SEA8:35 amSeattle/Tacoma Intl
25h 20m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
$836
Find similar

Philippine Airlines flights from Bangkok Suvarnabhumi Airport to Seattle

Our best Philippine Airlines deals on Bangkok Suvarnabhumi Airport to Seattle flight tickets
Philippine Airlines
Jun 1
BKK7:30 pmBangkok Suvarnabhumi
38h 35m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Sep 16
SEA11:10 pmSeattle/Tacoma Intl
23h 00m
1 stop
BKK12:10 pmBangkok Suvarnabhumi
$659
Find similar
Philippine Airlines
Apr 29
BKK7:30 pmBangkok Suvarnabhumi
38h 35m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Sep 9
SEA11:10 pmSeattle/Tacoma Intl
23h 00m
1 stop
BKK12:10 pmBangkok Suvarnabhumi
$661
Find similar
Philippine Airlines
Mar 31
BKK1:25 pmBangkok Suvarnabhumi
20h 40m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Jun 5
SEA11:10 pmSeattle/Tacoma Intl
33h 30m
1 stop
BKK10:40 pmBangkok Suvarnabhumi
$666
Find similar

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 diciembre 15, 2025.
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

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 3/2

1:05 am-8:00 am

1 stop21h 55m

Seattle/Tacoma Intl

mar. 3/24

11:00 am-2:20 pm

1 stop37h 20m

$643

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 6/1

11:40 pm-8:05 pm

1 stop34h 25m

Seattle/Tacoma Intl

mié. 9/16

11:10 pm-12:10 pm

1 stop23h 00m

$659

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mié. 4/29

7:30 pm-8:05 pm

1 stop38h 35m

Seattle/Tacoma Intl

mié. 9/9

11:10 pm-12:10 pm

1 stop23h 00m

$661

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mar. 3/31

1:25 pm-8:05 pm

1 stop20h 40m

Seattle/Tacoma Intl

vie. 6/5

11:10 pm-10:40 pm

1 stop33h 30m

$666

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mar. 4/28

1:25 pm-8:05 pm

1 stop20h 40m

Seattle/Tacoma Intl

jue. 9/10

11:10 pm-12:10 pm

1 stop23h 00m

$679

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mié. 1/28

11:50 pm-6:40 pm

1 stop33h 50m

Seattle/Tacoma Intl

mié. 2/4

9:30 pm-5:50 pm

1 stop29h 20m

$685

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

jue. 4/30

1:25 pm-8:05 pm

1 stop20h 40m

Seattle/Tacoma Intl

jue. 9/10

11:10 pm-12:10 pm

1 stop23h 00m

$689

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mar. 2/10

1:20 pm-6:40 pm

1 stop20h 20m

Seattle/Tacoma Intl

mar. 3/10

10:30 pm-11:00 pm

1 stop34h 30m

$690

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

dom. 4/19

1:20 am-2:55 pm

1 stop27h 35m

Seattle/Tacoma Intl

dom. 8/30

12:10 am-11:25 pm

1 stop33h 15m

$704

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 6/1

9:40 pm-2:55 pm

1 stop31h 15m

Seattle/Tacoma Intl

vie. 7/31

12:10 am-11:10 pm

1 stop33h 00m

$709

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 cheapest month to fly to Seattle?

In general, February 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 $748. If you don’t want to visit Seattle in February, then you should wait until December to fly from Bangkok Suvarnabhumi Airport, when ticket prices are also cheap, with an average price of $793.

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

On average, the least expensive day to fly to Seattle from Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport 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 Suvarnabhumi Airport 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 Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $889 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 $772 on momondo.

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

As of December 2025, prices for Bangkok Suvarnabhumi Airport to Seattle flights are approximately 29% 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

15h 15m

Direct flights

None
The fastest flight from Bangkok Suvarnabhumi Airport to Seattle takes 15h 15m
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

  • 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 15h 15m.

  • 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 $624Free CancellationRating
7.3
942 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $651Free CancellationRating
8.2
493 reviews
Search Asiana Airlines flights
STARLUX AirlinesPriceFrom $705Free CancellationRating
8.9
243 reviews
Search STARLUX Airlines flights
EVA AirPriceFrom $766Free CancellationRating
8.4
1,296 reviews
Search EVA Air flights
ANAPriceFrom $781Free CancellationRating
8.4
1,023 reviews
Search ANA flights
China AirlinesPriceFrom $781Free CancellationRating
8.3
791 reviews
Search China Airlines flights
Korean AirPriceFrom $801Free CancellationRating
8.4
1,186 reviews
Search Korean Air flights
DeltaPriceFrom $829Free CancellationRating
7.9
8,008 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
Kent
Marysville
Puyallup
Redmond
Tukwila
Cle Elum
Federal Way
Lakewood
Fife
Centralia
Westport
Kirkland
Shoreline

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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