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Cheap flights from Bangkok Suvarnabhumi Airport to Seattle from $408

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 11/21. 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 amBKK-SEA
21h 55m1 stop
Hainan Airlines Logo
10:00 am - 11:25 pmSEA-BKK
22h 25m1 stop
$627Hainan Airlines
Find Deal
lun., dic. 15 - mar., dic. 30
Hainan Airlines Logo
1:05 am - 8:00 amBKK-SEA
21h 55m1 stop
Hainan Airlines Logo
11:00 am - 11:25 pmSEA-BKK
22h 25m1 stop
$639Hainan Airlines
Find Deal
lun., mar. 2 - mar., mar. 24
Philippine Airlines Logo
11:50 pm - 6:40 pmBKK-SEA
33h 50m1 stop
Philippine Airlines Logo
10:30 pm - 5:50 pmSEA-BKK
29h 20m1 stop
$640Philippine Airlines
Find Deal
mar., mar. 3 - mar., mar. 24
Philippine Airlines Logo
1:20 pm - 6:40 pmBKK-SEA
20h 20m1 stop
Philippine Airlines Logo
9:30 pm - 11:00 pmSEA-BKK
34h 30m1 stop
$648Philippine Airlines
Find Deal
mié., nov. 12 - mié., nov. 19
Philippine Airlines Logo
1:20 pm - 6:40 pmBKK-SEA
20h 20m1 stop
Philippine Airlines Logo
9:30 pm - 11:00 pmSEA-BKK
34h 30m1 stop
$649Philippine Airlines
Find Deal
dom., nov. 23 - vie., dic. 5
Philippine Airlines Logo
1:20 pm - 6:40 pmBKK-SEA
20h 20m1 stop
Philippine Airlines Logo
10:30 pm - 12:00 pmSEA-BKK
23h 30m1 stop
$652Philippine Airlines
Find Deal
mié., feb. 25 - vie., mar. 20
Philippine Airlines Logo
6:45 pm - 6:40 pmBKK-SEA
38h 55m1 stop
Philippine Airlines Logo
10:30 pm - 12:00 pmSEA-BKK
23h 30m1 stop
$653Philippine Airlines
Find Deal
mar., feb. 10 - mar., mar. 10
Multiple Airlines Logo
2:05 am - 1:55 pmBKK-SEA
26h 50m1 stop
Multiple Airlines Logo
12:10 am - 12:55 amSEA-BKK
33h 45m1 stop
$663Multiple Airlines
Find Deal
dom., nov. 16 - dom., nov. 23
Multiple Airlines Logo
11:50 pm - 6:40 pmBKK-SEA
33h 50m1 stop
Multiple Airlines Logo
10:00 am - 11:25 pmSEA-BKK
22h 25m1 stop
$726Multiple Airlines
Find Deal
mar., dic. 16 - mar., dic. 30
China Airlines Logo
10:55 am - 6:10 pmBKK-SEA
22h 15m1 stop
China Airlines Logo
12:10 am - 9:50 amSEA-BKK
18h 40m1 stop
$748China Airlines
Find Deal
mar., dic. 16 - lun., dic. 29

Hainan Airlines flights from Bangkok Suvarnabhumi Airport to Seattle

Our best Hainan Airlines deals on Bangkok Suvarnabhumi Airport to Seattle flight tickets
Hainan Airlines
Dec 15
BKK1:05 amBangkok Suvarnabhumi
21h 55m
1 stop
SEA8:00 amSeattle/Tacoma Intl
Dec 30
SEA10:00 amSeattle/Tacoma Intl
22h 25m
1 stop
BKK11:25 pmBangkok Suvarnabhumi
$627
Find similar
Hainan Airlines
Mar 2
BKK1:05 amBangkok Suvarnabhumi
21h 55m
1 stop
SEA8:00 amSeattle/Tacoma Intl
Mar 24
SEA11:00 amSeattle/Tacoma Intl
22h 25m
1 stop
BKK11:25 pmBangkok Suvarnabhumi
$639
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
Mar 3
BKK11:50 pmBangkok Suvarnabhumi
33h 50m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Mar 24
SEA10:30 pmSeattle/Tacoma Intl
29h 20m
1 stop
BKK5:50 pmBangkok Suvarnabhumi
$640
Find similar
Philippine Airlines
Nov 12
BKK1:20 pmBangkok Suvarnabhumi
20h 20m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Nov 19
SEA9:30 pmSeattle/Tacoma Intl
34h 30m
1 stop
BKK11:00 pmBangkok Suvarnabhumi
$648
Find similar
Philippine Airlines
Nov 23
BKK1:20 pmBangkok Suvarnabhumi
20h 20m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Dec 5
SEA9:30 pmSeattle/Tacoma Intl
34h 30m
1 stop
BKK11:00 pmBangkok Suvarnabhumi
$649
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 octubre 30, 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. 12/15

1:05 am-8:00 am

1 stop21h 55m

Seattle/Tacoma Intl

mar. 12/30

10:00 am-11:25 pm

1 stop22h 25m

$627

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-11:25 pm

1 stop22h 25m

$639

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mar. 3/3

11:50 pm-6:40 pm

1 stop33h 50m

Seattle/Tacoma Intl

mar. 3/24

10:30 pm-5:50 pm

1 stop29h 20m

$640

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mié. 11/12

1:20 pm-6:40 pm

1 stop20h 20m

Seattle/Tacoma Intl

mié. 11/19

9:30 pm-11:00 pm

1 stop34h 30m

$648

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

dom. 11/23

1:20 pm-6:40 pm

1 stop20h 20m

Seattle/Tacoma Intl

vie. 12/5

9:30 pm-11:00 pm

1 stop34h 30m

$649

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mié. 2/25

1:20 pm-6:40 pm

1 stop20h 20m

Seattle/Tacoma Intl

vie. 3/20

10:30 pm-12:00 pm

1 stop23h 30m

$652

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mar. 2/10

6:45 pm-6:40 pm

1 stop38h 55m

Seattle/Tacoma Intl

mar. 3/10

10:30 pm-12:00 pm

1 stop23h 30m

$653

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

dom. 11/16

2:05 am-1:55 pm

1 stop26h 50m

Seattle/Tacoma Intl

dom. 11/23

12:10 am-12:55 am

1 stop33h 45m

$663

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mar. 12/16

11:50 pm-6:40 pm

1 stop33h 50m

Seattle/Tacoma Intl

mar. 12/30

10:00 am-11:25 pm

1 stop22h 25m

$726

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mar. 12/16

10:55 am-6:10 pm

1 stop22h 15m

Seattle/Tacoma Intl

lun. 12/29

12:10 am-9:50 am

1 stop18h 40m

$748

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, 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 $805. If you don’t want to visit Seattle in February, then you should wait until October to fly from Bangkok Suvarnabhumi Airport, when ticket prices are also cheap, with an average price of $816.

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 $903 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 $779 on momondo.

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

As of October 2025, prices for Bangkok Suvarnabhumi Airport to Seattle flights are approximately 31% 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

Direct flights

None
There are no direct flights from Bangkok Suvarnabhumi Airport to Seattle. There are no popular flight routes from Bangkok Suvarnabhumi Airport to Seattle.
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  • 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 20h 05m.

  • 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 $594Free CancellationRating
7.3
929 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $651Free CancellationRating
8.2
484 reviews
Search Asiana Airlines flights
STARLUX AirlinesPriceFrom $705Free CancellationRating
8.9
219 reviews
Search STARLUX Airlines flights
EVA AirPriceFrom $770Free CancellationRating
8.4
1,268 reviews
Search EVA Air flights
ANAPriceFrom $781Free CancellationRating
8.4
998 reviews
Search ANA flights
China AirlinesPriceFrom $781Free CancellationRating
8.3
776 reviews
Search China Airlines flights
Korean AirPriceFrom $801Free CancellationRating
8.4
1,155 reviews
Search Korean Air flights
DeltaPriceFrom $829Free CancellationRating
7.9
7,998 reviews
Search Delta flights
Japan AirlinesPriceFrom $922Free CancellationRating
8.3
1,596 reviews
Search Japan Airlines 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
Puyallup
Marysville
Redmond
Tukwila
Federal Way
Lakewood
Cle Elum
Fife
Centralia
Kirkland
Shoreline
Westport

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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