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$469+ Cheap flights from Thailand to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Thailand to Seattle

Keep the following information in mind while searching for Thailand to Seattle flight deals. Data was last updated April 24, 2025.

Round-trip from

$635
(oojo)

One-way from

$469
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$913
From Thailand to Seattle/Tacoma Intl
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One-way flight from Thailand to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 2% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Thailand to Seattle

Cheapest flights from Thailand to Seattle
Explore the most affordable flight options available from Thailand to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This oojo deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:30 pmBKK - SEA
1 stop19h 45mPhilippine Airlines
Fri 11/1411:55 pmSEA - BKK
1 stop25h 50mPhilippine Airlines
Deal found 4/23$635
This oojo deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/711:20 pmBKK - SEA
2 stops50h 18mMultiple Airlines
Sun 9/1411:35 pmSEA - BKK
1 stop32h 50mMultiple Airlines
Deal found 4/23$774
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/15:30 pmBKK - SEA
1 stop16h 00mChina Airlines
Sun 6/291:10 amSEA - BKK
1 stop18h 35mChina Airlines
Deal found 4/22$822
This CheapOair deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/315:50 pmBKK - SEA
1 stop36h 20mSTARLUX Airlines
Thu 8/281:15 amSEA - BKK
1 stop20h 45mSTARLUX Airlines
Deal found 4/23$826
This oojo deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/111:20 amCNX - SEA
1 stop22h 10mChina Airlines
Sun 6/291:10 amSEA - CNX
1 stop19h 10mChina Airlines
Deal found 4/22$827
This oojo deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:45 pmBKK - SEA
1 stop16h 45mEVA Air
Tue 10/71:30 amSEA - BKK
1 stop21h 35mEVA Air
Deal found 4/23$829
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:15 pmCNX - SEA
1 stop28h 20mDelta
Sun 6/2912:55 pmSEA - CNX
1 stop19h 00mDelta
Deal found 4/22$847
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/299:50 amBKK - SEA
1 stop17h 45mDelta
Sun 6/2912:55 pmSEA - BKK
1 stop22h 10mDelta
Deal found 4/22$847
This Justfly.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2611:15 pmCNX - SEA
1 stop25h 35mKorean Air
Tue 7/221:20 pmSEA - CNX
1 stop18h 35mKorean Air
Deal found 4/23$854
This Korean Air deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/222:35 amBKK - SEA
1 stop22h 15mKorean Air
Wed 7/161:20 pmSEA - BKK
1 stop18h 25mKorean Air
Deal found 4/22$856
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/29:35 amBKK - SEA
2 stops42h 26mUnited Airlines
Mon 6/304:30 pmSEA - BKK
1 stop22h 05mUnited Airlines
Deal found 4/22$890
This StudentUniverse deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/98:05 amBKK - SEA
1 stop16h 30mJapan Airlines
Sun 6/298:05 amSEA - BKK
2 stops31h 45mJapan Airlines
Deal found 4/23$891

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2025.
Use the filters below to find and compare flights from Thailand to Seattle that are best for you.

Fly from

Thailand

Fly to

Seattle

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 10/1

1:30 pm-7:15 pm

1 stop19h 45m

Seattle/Tacoma Intl

Fri 11/14

11:55 pm-4:45 pm

1 stop25h 50m

$635

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 9/7

11:20 pm-11:38 am

2 stops50h 18m

Seattle/Tacoma Intl

Sun 9/14

11:35 pm-10:25 pm

1 stop32h 50m

$774

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 6/1

5:30 pm-7:30 pm

1 stop16h 00m

Seattle/Tacoma Intl

Sun 6/29

1:10 am-9:45 am

1 stop18h 35m

$822

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 5/31

5:50 pm-4:10 pm

1 stop36h 20m

Seattle/Tacoma Intl

Thu 8/28

1:15 am-12:00 pm

1 stop20h 45m

$826

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 6/1

11:20 am-7:30 pm

1 stop22h 10m

Seattle/Tacoma Intl

Sun 6/29

1:10 am-10:20 am

1 stop19h 10m

$827

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 9/16

4:45 pm-7:30 pm

1 stop16h 45m

Seattle/Tacoma Intl

Tue 10/7

1:30 am-1:05 pm

1 stop21h 35m

$829

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 5/29

11:15 pm-1:35 pm

1 stop28h 20m

Seattle/Tacoma Intl

Sun 6/29

12:55 pm-9:55 pm

1 stop19h 00m

$847

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 5/29

9:50 am-1:35 pm

1 stop17h 45m

Seattle/Tacoma Intl

Sun 6/29

12:55 pm-1:05 am

1 stop22h 10m

$847

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 6/26

11:15 pm-10:50 am

1 stop25h 35m

Seattle/Tacoma Intl

Tue 7/22

1:20 pm-9:55 pm

1 stop18h 35m

$854

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 6/22

2:35 am-10:50 am

1 stop22h 15m

Seattle/Tacoma Intl

Wed 7/16

1:20 pm-9:45 pm

1 stop18h 25m

$856

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 46 results
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Best time to book a flight from Thailand to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Thailand with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Thailand to Seattle

What is the cheapest month to book a flight from Thailand to Seattle?

Currently, January is the cheapest month in which you can book a flight from Thailand to Seattle (average of $238). Flying from Thailand to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TH to SEA?

Find hourly flight availability from Thailand to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

When flying from Thailand to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated April 24, 2025.
Read through reviews of airlines operating flights from Thailand to Seattle, such as STARLUX Airlines, EVA Air and Korean Air. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
157 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,180 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,062 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,453 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
727 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Crew

9.3

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from Thailand to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Thailand?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Thailand to Seattle.

  • What are the cheapest airlines to fly from Thailand to Seattle one-way?

    $469 is the cheapest one-way deal found within the past few days, from Philippine Airlines. You may also be able to find cheap deals on China Airlines and STARLUX Airlines, with prices starting from $506 and $514, respectively.

  • What are the most popular routes from Thailand to Seattle?

    Most travelers choose Bangkok Suvarnabhumi - Seattle/Tacoma Intl, Chiang Mai - Seattle/Tacoma Intl or Bangkok Don Mueang Intl - Seattle/Tacoma Intl when deciding on the best route from Thailand to Seattle.

  • Can I find deals for flights from Thailand to Seattle that include hotel bookings?

    Yes. In addition to deals on Thailand to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Thailand to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Seattle.

  • Can I find deals for business class flights from Thailand to Seattle?

    Yes. Cheapflights offers flight deals from Thailand to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Thailand to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Thailand to Seattle (average of $238). Flying from Thailand to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Thailand?

Book flights to Thailand if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Renton
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Aberdeen
Lynnwood
Shelton
Silverdale
Redmond
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Thailand to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Thailand to Seattle

Discover the top 10 airlines that operate flights from Thailand to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$551Average$641FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$622Average$821FlexibilityNo cancel feeOn-time76%
EVA AirCheapest$788Average$1,058FlexibilityNo cancel feeOn-time74%
China AirlinesCheapest$793Average$868FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$796Average$955FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$802Average$940FlexibilityNo cancel feeOn-time81%
DeltaCheapest$829Average$986FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$856Average$966FlexibilityNo cancel feeOn-time69%
ANACheapest$867Average$1,098FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$919Average$1,048FlexibilityNo cancel feeOn-time71%

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