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Cheap flights from Thailand to Seattle from $472

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Thailand to Seattle departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Thailand to Seattle

Recent round-trip flight deals from Thailand to Seattle

Enter your travel dates to find the best prices.
Korean Air Logo
2:35 am - 10:40 am
BKK
-
SEA
22h 05m
1 stop
Korean Air Logo
11:00 am - 9:30 pm
SEA
-
BKK
19h 30m
1 stop
$759Korean Air
Wed, Oct 14 - Thu, Nov 5
Korean Air Logo
11:30 pm - 11:00 am
BKK
-
SEA
25h 30m
1 stop
Korean Air Logo
1:20 pm - 9:45 pm
SEA
-
BKK
18h 25m
1 stop
$760Korean Air
Tue, Aug 25 - Sat, Aug 29
Korean Air Logo
9:40 pm - 11:00 am
BKK
-
SEA
27h 20m
1 stop
Korean Air Logo
1:20 pm - 9:45 pm
SEA
-
BKK
18h 25m
1 stop
$762Korean Air
Tue, Aug 25 - Sat, Aug 29
Asiana Airlines Logo
11:45 am - 3:15 pm
BKK
-
SEA
17h 30m
1 stop
Asiana Airlines Logo
12:10 am - 11:15 am
SEA
-
BKK
20h 05m
1 stop
$769Asiana Airlines
Thu, Oct 22 - Thu, Nov 5
Asiana Airlines Logo
1:35 am - 3:45 pm
BKK
-
SEA
28h 10m
1 stop
Asiana Airlines Logo
12:10 am - 10:40 am
SEA
-
BKK
20h 30m
1 stop
$770Asiana Airlines
Wed, Aug 26 - Tue, Sep 8
China Airlines Logo
11:20 am - 7:15 pm
CNX
-
SEA
21h 55m
1 stop
China Airlines Logo
1:15 am - 10:20 am
SEA
-
CNX
19h 05m
1 stop
$915China Airlines
Thu, Sep 24 - Sat, Sep 26
China Airlines Logo
11:20 am - 7:15 pm
CNX
-
SEA
21h 55m
1 stop
China Airlines Logo
1:15 am - 10:20 am
SEA
-
CNX
19h 05m
1 stop
$916China Airlines
Thu, Sep 24 - Sat, Sep 26
EVA Air Logo
11:35 am - 7:50 pm
CNX
-
SEA
22h 15m
1 stop
EVA Air Logo
1:30 am - 10:25 am
SEA
-
CNX
18h 55m
1 stop
$951EVA Air
Tue, Aug 11 - Thu, Sep 17
STARLUX Airlines Logo
5:20 pm - 4:35 pm
CNX
-
SEA
37h 15m
1 stop
STARLUX Airlines Logo
1:15 am - 4:05 pm
SEA
-
CNX
24h 50m
1 stop
$959STARLUX Airlines
Thu, Aug 6 - Tue, Sep 29
EVA Air Logo
11:35 am - 7:50 pm
CNX
-
SEA
22h 15m
1 stop
EVA Air Logo
1:30 am - 7:10 pm
SEA
-
CNX
27h 40m
2 stops
$1,000EVA Air
Tue, Aug 11 - Thu, Sep 17

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Korean Air flights from Thailand to Seattle

Our best Korean Air deals on Thailand to Seattle flight tickets
Korean Air
Oct 14
BKK2:35 amBangkok Suvarnabhumi
22h 05m
1 stop
SEA10:40 amSeattle/Tacoma Intl
Nov 5
SEA11:00 amSeattle/Tacoma Intl
19h 30m
1 stop
BKK9:30 pmBangkok Suvarnabhumi
$759
Korean Air
Aug 25
BKK11:30 pmBangkok Suvarnabhumi
25h 30m
1 stop
SEA11:00 amSeattle/Tacoma Intl
Aug 29
SEA1:20 pmSeattle/Tacoma Intl
18h 25m
1 stop
BKK9:45 pmBangkok Suvarnabhumi
$760
Korean Air
Aug 25
BKK9:40 pmBangkok Suvarnabhumi
27h 20m
1 stop
SEA11:00 amSeattle/Tacoma Intl
Aug 29
SEA1:20 pmSeattle/Tacoma Intl
18h 25m
1 stop
BKK9:45 pmBangkok Suvarnabhumi
$762

Air Canada flights from Thailand to Seattle

Our best Air Canada deals on Thailand to Seattle flight tickets
Air Canada
Sep 24
CNX9:10 pmChiang Mai
39h 37m
2 stops
SEA10:47 pmSeattle/Tacoma Intl
Sep 27
SEA5:50 amSeattle/Tacoma Intl
44h 45m
2 stops
CNX4:35 pmChiang Mai
$965
Air Canada
Sep 24
CNX9:10 pmChiang Mai
35h 22m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
Sep 27
SEA5:50 amSeattle/Tacoma Intl
44h 45m
2 stops
CNX4:35 pmChiang Mai
$966
Air Canada
Sep 24
CNX9:10 pmChiang Mai
31h 12m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
Sep 27
SEA5:50 amSeattle/Tacoma Intl
44h 45m
2 stops
CNX4:35 pmChiang Mai
$968

momondo Fare Finder

 
Customize your flight search to find flights from Thailand 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 July 21, 2026.
Use the filters below to find and compare flights from Thailand to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 10/14

2:35 am-10:40 am

1 stop22h 05m

Seattle/Tacoma Intl

Thu 11/5

11:00 am-9:30 pm

1 stop19h 30m

$759

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 8/25

11:30 pm-11:00 am

1 stop25h 30m

Seattle/Tacoma Intl

Sat 8/29

1:20 pm-9:45 pm

1 stop18h 25m

$760

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 8/25

9:40 pm-11:00 am

1 stop27h 20m

Seattle/Tacoma Intl

Sat 8/29

1:20 pm-9:45 pm

1 stop18h 25m

$762
Quickest round-trip

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 10/22

11:45 am-3:15 pm

1 stop17h 30m

Seattle/Tacoma Intl

Thu 11/5

12:10 am-11:15 am

1 stop20h 05m

$769

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 8/26

1:35 am-3:45 pm

1 stop28h 10m

Seattle/Tacoma Intl

Tue 9/8

12:10 am-10:40 am

1 stop20h 30m

$770

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 9/24

11:20 am-7:15 pm

1 stop21h 55m

Seattle/Tacoma Intl

Sat 9/26

1:15 am-10:20 am

1 stop19h 05m

$915

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 9/24

11:20 am-7:15 pm

1 stop21h 55m

Seattle/Tacoma Intl

Sat 9/26

1:15 am-10:20 am

1 stop19h 05m

$916

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 8/11

11:35 am-7:50 pm

1 stop22h 15m

Seattle/Tacoma Intl

Thu 9/17

1:30 am-10:25 am

1 stop18h 55m

$951

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 8/6

5:20 pm-4:35 pm

1 stop37h 15m

Seattle/Tacoma Intl

Tue 9/29

1:15 am-4:05 pm

1 stop24h 50m

$959

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 8/11

11:35 am-7:50 pm

1 stop22h 15m

Seattle/Tacoma Intl

Thu 9/17

1:30 am-7:10 pm

2 stops27h 40m

$1,000

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 Thailand 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, March is the cheapest month to fly from Thailand 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 Thailand, when ticket prices are also cheap, with an average price of $770.

How far in advance should I book a flight from Thailand to Seattle?

You are more likely to see cheaper flights to Seattle from Thailand when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $860 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Thailand for as low as $741 on momondo.

Can stopping save me money on Thailand to Seattle flights?

You could potentially save up to 4% on your flight if you consider stops on a Thailand to Seattle flight.

Cheap Thailand to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Thailand to Seattle

Fastest flight time

16h 20m

Direct flights

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

Frequently asked questions about flying from Thailand to Seattle

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

    Prices for flights from Thailand to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Thailand 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.

Best airlines flying from Thailand to Seattle

Compare and see reviews for airlines that fly from Thailand to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Philippine AirlinesPriceFrom $591Free CancellationRating
7.3
1,011 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $655Free CancellationRating
8.1
553 reviews
Search Asiana Airlines flights
STARLUX AirlinesPriceFrom $703Free CancellationRating
8.8
360 reviews
Search STARLUX Airlines flights
EVA AirPriceFrom $766Free CancellationRating
8.5
1,502 reviews
Search EVA Air flights
China AirlinesPriceFrom $786Free CancellationRating
8.3
836 reviews
Search China Airlines flights
Korean AirPriceFrom $793Free CancellationRating
8.4
1,221 reviews
Search Korean Air flights
DeltaPriceFrom $803Free CancellationRating
7.8
8,475 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
Lakewood
Tukwila
Puyallup
Fife
Federal Way
Cle Elum
Marysville
Kirkland
Centralia
Shoreline
Lacey

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Thailand.

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

Flights from Thailand to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

If you are not ready to book a flight from Thailand 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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