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Cheap flights from Thailand to Seattle from ฿15,884

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
4 May — 11 May1
1 adult

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 29 April 2025.

Round-trip from

฿21,245

One-way from

฿15,884

Popular in

January

Cheapest in

November

Average price

฿30,595
Philippine Airlines
  • Philippine Airlines
  • 16/9-8/10
  • 2 total stops
  • 56h 35m total
  • Thailand to Seattle
Search Deals
2/6
  • 2/6
  • 2 total stops
  • 34h 10m total
  • Thailand to Seattle
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (฿31,884 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿24,011 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 29 April 2025.

Tue 16/923:20BKK - SEA
1 stop33h 55mPhilippine Airlines
Wed 8/1023:35SEA - BKK
1 stop22h 40mPhilippine Airlines
Deal found 28/4฿21,245
Sun 11/500:05BKK - SEA
1 stop26h 25mMultiple Airlines
Thu 15/514:15SEA - BKK
1 stop19h 44mMultiple Airlines
Deal found 28/4฿24,328
Tue 17/610:50BKK - SEA
1 stop22h 40mChina Airlines
Mon 8/901:40SEA - BKK
1 stop24h 40mChina Airlines
Deal found 28/4฿26,306
Wed 14/506:30CNX - SEA
2 stops26h 45mMultiple Airlines
Wed 9/723:35SEA - CNX
2 stops27h 15mMultiple Airlines
Deal found 28/4฿27,277
Mon 16/602:35BKK - SEA
1 stop22h 15mKorean Air
Tue 9/912:50SEA - BKK
1 stop18h 55mKorean Air
Deal found 28/4฿27,311
Sun 23/1100:15CNX - SEA
1 stop23h 45mKorean Air
Mon 1/1211:00SEA - CNX
1 stop21h 05mKorean Air
Deal found 28/4฿27,545
Tue 16/916:45BKK - SEA
1 stop16h 05mEVA Air
Tue 7/1001:30SEA - BKK
1 stop18h 55mEVA Air
Deal found 28/4฿27,579
Sat 22/1111:50CNX - SEA
1 stop21h 20mEVA Air
Fri 28/1100:10SEA - CNX
1 stop19h 25mEVA Air
Deal found 29/4฿27,612
Sun 29/613:10BKK - SEA
1 stop17h 00mSTARLUX Airlines
Wed 9/701:15SEA - BKK
1 stop20h 45mSTARLUX Airlines
Deal found 28/4฿28,082
Sat 22/1117:15CNX - SEA
1 stop36h 50mSTARLUX Airlines
Sun 30/1123:45SEA - CNX
1 stop25h 30mSTARLUX Airlines
Deal found 29/4฿28,216
Thu 20/1100:15CNX - SEA
1 stop27h 50mเดลต้า
Sun 30/1111:15SEA - CNX
1 stop20h 50mเดลต้า
Deal found 28/4฿28,316
Mon 2/602:35BKK - SEA
1 stop25h 05mเดลต้า
Fri 27/612:55SEA - BKK
1 stop22h 10mเดลต้า
Deal found 28/4฿28,417

Cheapflights Fare Finder

Customise 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 17,341 searches. Data last updated 29 April 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

Tue 16/9

23:20-19:15

1 stop33h 55m

Seattle/Tacoma Intl

Wed 8/10

23:35-12:15

1 stop22h 40m

฿21,245

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 11/5

00:05-12:30

1 stop26h 25m

Seattle/Tacoma Intl

Thu 15/5

14:15-23:59

1 stop19h 44m

฿24,328

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 17/6

10:50-19:30

1 stop22h 40m

Seattle/Tacoma Intl

Mon 8/9

01:40-16:20

1 stop24h 40m

฿26,306

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 14/5

06:30-19:15

2 stops26h 45m

Seattle/Tacoma Intl

Wed 9/7

23:35-16:50

2 stops27h 15m

฿27,277

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 16/6

02:35-10:50

1 stop22h 15m

Seattle/Tacoma Intl

Tue 9/9

12:50-21:45

1 stop18h 55m

฿27,311

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 16/9

16:45-18:50

1 stop16h 05m

Seattle/Tacoma Intl

Tue 7/10

01:30-10:25

1 stop18h 55m

฿27,579

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 26/6

23:15-10:50

1 stop25h 35m

Seattle/Tacoma Intl

Tue 22/7

13:20-21:55

1 stop18h 35m

฿27,579

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 29/6

13:10-16:10

1 stop17h 00m

Seattle/Tacoma Intl

Wed 9/7

01:15-12:00

1 stop20h 45m

฿28,082

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 1/6

23:15-13:40

1 stop28h 25m

Seattle/Tacoma Intl

Sat 13/9

12:45-21:55

1 stop19h 10m

฿28,383

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 2/6

02:35-13:40

1 stop25h 05m

Seattle/Tacoma Intl

Thu 26/6

12:55-01:05

1 stop22h 10m

฿28,417

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 40 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 return 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 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 29 April 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 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 29 April 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air and Korean Air from Thailand to Seattle. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Crew

9.3

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
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Crew

9.3

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
1,186 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Crew

9.3

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
1,066 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Crew

9.3

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
1,459 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Crew

9.3

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
729 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Crew

9.3

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) is the airport you will fly into if you book a flight from Thailand to Seattle. It is only a 18.4 km journey from Seattle/Tacoma Intl (SEA) to Seattle’s city centre.

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

    ฿17,090 is the cheapest one-way deal found within the past few days, from China Airlines. You may also be able to find cheap deals on STARLUX Airlines and Korean Air, with prices starting from ฿17,191 and ฿18,230, respectively.

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

    The most popular flight routes from Thailand to Seattle are Bangkok Suvarnabhumi - Seattle/Tacoma Intl, Chiang Mai - Seattle/Tacoma Intl and Bangkok Don Mueang Intl - Seattle/Tacoma Intl.

  • 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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Thailand to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Seattle flights
Chiang Mai to Portland flights

Top 9 airlines flying from Thailand to Seattle

Discover the top 9 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 17,341 searches. Data last updated 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest฿19,295Average฿22,869FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Asiana AirlinesCheapest฿23,040Average฿30,858FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
STARLUX AirlinesCheapest฿26,053Average฿29,578FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
EVA AirCheapest฿27,323Average฿31,891FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Korean AirCheapest฿27,538Average฿33,325FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
China AirlinesCheapest฿27,870Average฿31,240FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
United AirlinesCheapest฿28,580Average฿31,754FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapest฿28,837Average฿33,821FlexibilityNo cancel feeOn-time80%
Search ANA flights
Japan AirlinesCheapest฿32,117Average฿36,620FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Thailand to Seattle?

Cheapflights makes it easy to find Thailand to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Thailand to Seattle?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Thailand.

Can Cheapflights find flights from Thailand to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Thailand shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Thailand to Seattle become cheaper?

Yes! Start tracking prices for Thailand to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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