Cheap flights from Bangkok to Seattle from $427

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 to Seattle departing on 3/10. 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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0 bags

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Hainan Airlines Logo
1:05 am - 9:00 am
BKK
-
SEA
21h 55m
1 stop
Hainan Airlines Logo
11:00 am - 12:20 pm
SEA
-
BKK
35h 20m
1 stop
$641Hainan Airlines
lun., mar. 16 - mar., abr. 7
Hainan Airlines Logo
1:05 am - 9:00 am
BKK
-
SEA
21h 55m
1 stop
Hainan Airlines Logo
11:00 am - 12:20 pm
SEA
-
BKK
35h 20m
1 stop
$642Hainan Airlines
lun., mar. 16 - mar., abr. 7
Multiple Airlines Logo
2:05 am - 1:55 pm
BKK
-
SEA
26h 50m
1 stop
Multiple Airlines Logo
12:10 am - 12:55 am
SEA
-
BKK
33h 45m
1 stop
$645Multiple Airlines
jue., feb. 12 - sáb., feb. 28
Asiana Airlines Logo
1:20 am - 2:55 pm
BKK
-
SEA
27h 35m
1 stop
Asiana Airlines Logo
12:55 am - 11:10 pm
SEA
-
BKK
32h 15m
1 stop
$653Asiana Airlines
lun., mar. 30 - jue., jun. 4
Asiana Airlines Logo
1:20 am - 2:55 pm
BKK
-
SEA
27h 35m
1 stop
Asiana Airlines Logo
12:55 am - 11:10 pm
SEA
-
BKK
32h 15m
1 stop
$655Asiana Airlines
lun., mar. 30 - jue., jun. 4
Multiple Airlines Logo
2:05 am - 1:55 pm
BKK
-
SEA
26h 50m
1 stop
Multiple Airlines Logo
12:10 am - 12:55 am
SEA
-
BKK
33h 45m
1 stop
$662Multiple Airlines
vie., feb. 27 - vie., mar. 6
Asiana Airlines Logo
11:55 pm - 1:55 pm
BKK
-
SEA
29h 00m
1 stop
Asiana Airlines Logo
12:10 am - 11:15 am
SEA
-
BKK
20h 05m
1 stop
$663Asiana Airlines
jue., feb. 12 - mié., feb. 18
Philippine Airlines Logo
11:40 pm - 8:05 pm
BKK
-
SEA
34h 25m
1 stop
Philippine Airlines Logo
11:10 pm - 6:30 pm
SEA
-
BKK
29h 20m
1 stop
$664Philippine Airlines
lun., jun. 1 - mar., sep. 1
Philippine Airlines Logo
7:30 pm - 8:05 pm
BKK
-
SEA
38h 35m
1 stop
Philippine Airlines Logo
11:10 pm - 10:40 pm
SEA
-
BKK
33h 30m
1 stop
$666Philippine Airlines
lun., jun. 1 - mar., sep. 1
Philippine Airlines Logo
1:25 pm - 8:05 pm
BKK
-
SEA
20h 40m
1 stop
Philippine Airlines Logo
11:10 pm - 10:40 pm
SEA
-
BKK
33h 30m
1 stop
$667Philippine Airlines
mar., may. 5 - vie., may. 15

Asiana Airlines flights from Bangkok to Seattle

Our best Asiana Airlines deals on Bangkok to Seattle flight tickets
Asiana Airlines
Mar 30
BKK1:20 amBangkok Suvarnabhumi
27h 35m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
Jun 4
SEA12:55 amSeattle/Tacoma Intl
32h 15m
1 stop
BKK11:10 pmBangkok Suvarnabhumi
$653
Asiana Airlines
Mar 30
BKK1:20 amBangkok Suvarnabhumi
27h 35m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
Jun 4
SEA12:55 amSeattle/Tacoma Intl
32h 15m
1 stop
BKK11:10 pmBangkok Suvarnabhumi
$655
Asiana Airlines
Feb 12
BKK11:55 pmBangkok Suvarnabhumi
29h 00m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Feb 18
SEA12:10 amSeattle/Tacoma Intl
20h 05m
1 stop
BKK11:15 amBangkok Suvarnabhumi
$663

Philippine Airlines flights from Bangkok to Seattle

Our best Philippine Airlines deals on Bangkok to Seattle flight tickets
Philippine Airlines
Jun 1
BKK11:40 pmBangkok Suvarnabhumi
34h 25m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Sep 1
SEA11:10 pmSeattle/Tacoma Intl
29h 20m
1 stop
BKK6:30 pmBangkok Suvarnabhumi
$664
Philippine Airlines
Jun 1
BKK7:30 pmBangkok Suvarnabhumi
38h 35m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Sep 1
SEA11:10 pmSeattle/Tacoma Intl
33h 30m
1 stop
BKK10:40 pmBangkok Suvarnabhumi
$666
Philippine Airlines
May 5
BKK1:25 pmBangkok Suvarnabhumi
20h 40m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
May 15
SEA11:10 pmSeattle/Tacoma Intl
33h 30m
1 stop
BKK10:40 pmBangkok Suvarnabhumi
$667

momondo Fare Finder

 
Customize your flight search to find flights from Bangkok 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 enero 15, 2026.
Use the filters below to find and compare flights from Bangkok to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 3/16

1:05 am-9:00 am

1 stop21h 55m

Seattle/Tacoma Intl

mar. 4/7

11:00 am-12:20 pm

1 stop35h 20m

$641

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 3/16

1:05 am-9:00 am

1 stop21h 55m

Seattle/Tacoma Intl

mar. 4/7

11:00 am-12:20 pm

1 stop35h 20m

$642

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

jue. 2/12

2:05 am-1:55 pm

1 stop26h 50m

Seattle/Tacoma Intl

sáb. 2/28

12:10 am-12:55 am

1 stop33h 45m

$645

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 3/30

1:20 am-2:55 pm

1 stop27h 35m

Seattle/Tacoma Intl

jue. 6/4

12:55 am-11:10 pm

1 stop32h 15m

$653

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 3/30

1:20 am-2:55 pm

1 stop27h 35m

Seattle/Tacoma Intl

jue. 6/4

12:55 am-11:10 pm

1 stop32h 15m

$655

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

vie. 2/27

2:05 am-1:55 pm

1 stop26h 50m

Seattle/Tacoma Intl

vie. 3/6

12:10 am-12:55 am

1 stop33h 45m

$662

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

jue. 2/12

11:55 pm-1:55 pm

1 stop29h 00m

Seattle/Tacoma Intl

mié. 2/18

12:10 am-11:15 am

1 stop20h 05m

$663

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 6/1

11:40 pm-8:05 pm

1 stop34h 25m

Seattle/Tacoma Intl

mar. 9/1

11:10 pm-6:30 pm

1 stop29h 20m

$664

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

lun. 6/1

7:30 pm-8:05 pm

1 stop38h 35m

Seattle/Tacoma Intl

mar. 9/1

11:10 pm-10:40 pm

1 stop33h 30m

$666

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

mar. 5/5

1:25 pm-8:05 pm

1 stop20h 40m

Seattle/Tacoma Intl

vie. 5/15

11:10 pm-10:40 pm

1 stop33h 30m

$667

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 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, December 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 $766. If you don’t want to visit Seattle in December, then you should wait until October to fly from Bangkok, when ticket prices are also cheap, with an average price of $815.

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 $894 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 $779 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

16h 20m

Direct flights

None
The fastest flight from Bangkok to Seattle takes 16h 20m
There are no direct flights from Bangkok to Seattle. There are no popular flight routes 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. 16h 20m 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?

  • 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 AirlinesPriceFrom $624Free CancellationRating
7.3
954 reviews
Search Philippine Airlines flights
STARLUX AirlinesPriceFrom $705Free CancellationRating
8.9
263 reviews
Search STARLUX Airlines flights
Asiana AirlinesPriceFrom $750Free CancellationRating
8.1
502 reviews
Search Asiana Airlines flights
EVA AirPriceFrom $766Free CancellationRating
8.4
1,321 reviews
Search EVA Air flights
ANAPriceFrom $768Free CancellationRating
8.4
1,072 reviews
Search ANA flights
China AirlinesPriceFrom $781Free CancellationRating
8.3
798 reviews
Search China Airlines flights
Korean AirPriceFrom $814Free CancellationRating
8.4
1,187 reviews
Search Korean Air flights
DeltaPriceFrom $829Free CancellationRating
7.9
8,049 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
Lakewood
Federal Way
Fife
Kirkland
Westport
Centralia
Shoreline

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.

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1 adult
sáb. 2/14
sáb. 2/21

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