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Cheap flights from Thailand to Seattle from ฿13,685

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
10 Jul — 17 Jul1
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 5 July 2025.

Round-trip from

฿21,870

One-way from

฿13,685

Popular in

August

Cheapest in

November

Average price

฿34,488
18/11-28/11
  • 18/11-28/11
  • 2 total stops
  • 63h 35m total
  • Thailand to Seattle
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 12/7
  • 1 total stop
  • 38h 35m total
  • Thailand to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿118,780 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿18,590 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 5 July 2025.

Tue 18/1121:30BKK - SEA
1 stop31h 25mMultiple Airlines
Fri 28/1100:10SEA - BKK
1 stop32h 10mMultiple Airlines
Deal found 5/7฿21,870
Thu 30/1022:50BKK - SEA
1 stop34h 45mPhilippine Airlines
Wed 19/1121:30SEA - BKK
1 stop23h 35mPhilippine Airlines
Deal found 4/7฿22,162
Mon 18/821:40BKK - SEA
1 stop27h 10mKorean Air
Sat 6/912:50SEA - BKK
1 stop18h 55mKorean Air
Deal found 4/7฿25,882
Thu 18/1200:15CNX - SEA
1 stop23h 45mKorean Air
Tue 20/111:00SEA - CNX
1 stop21h 05mKorean Air
Deal found 3/7฿26,076
Fri 19/917:50BKK - SEA
1 stop36h 20mSTARLUX Airlines
Mon 6/1001:15SEA - BKK
1 stop20h 45mSTARLUX Airlines
Deal found 3/7฿26,400
Tue 11/1116:55CNX - SEA
1 stop37h 10mSTARLUX Airlines
Thu 4/1223:45SEA - CNX
1 stop25h 10mSTARLUX Airlines
Deal found 3/7฿26,432
Mon 15/902:40BKK - SEA
1 stop30h 40mChina Airlines
Tue 7/1001:10SEA - BKK
1 stop25h 10mChina Airlines
Deal found 3/7฿26,432
Tue 11/1111:25CNX - SEA
1 stop21h 50mChina Airlines
Mon 1/1200:10SEA - CNX
1 stop19h 15mChina Airlines
Deal found 3/7฿26,562
Tue 11/1100:15CNX - SEA
1 stop28h 05mเดลต้า
Sun 30/1111:15SEA - CNX
1 stop20h 50mเดลต้า
Deal found 3/7฿26,853
Sat 25/1002:35BKK - SEA
1 stop25h 45mเดลต้า
Mon 17/1111:15SEA - BKK
1 stop21h 05mเดลต้า
Deal found 4/7฿26,885
Fri 19/1211:50CNX - SEA
1 stop21h 20mEVA Air
Tue 20/123:30SEA - CNX
1 stop20h 05mEVA Air
Deal found 3/7฿27,241
Wed 10/901:35BKK - SEA
1 stop31h 15mEVA Air
Tue 23/901:30SEA - BKK
1 stop19h 20mEVA Air
Deal found 3/7฿27,273

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 5 July 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 18/11

21:30-13:55

1 stop31h 25m

Seattle/Tacoma Intl

Fri 28/11

00:10-23:20

1 stop32h 10m

฿21,870

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 30/10

22:50-19:35

1 stop34h 45m

Seattle/Tacoma Intl

Wed 19/11

21:30-12:05

1 stop23h 35m

฿22,162

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 18/8

21:40-10:50

1 stop27h 10m

Seattle/Tacoma Intl

Sat 6/9

12:50-21:45

1 stop18h 55m

฿25,882

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 18/12

00:15-09:00

1 stop23h 45m

Seattle/Tacoma Intl

Tue 20/1

11:00-23:05

1 stop21h 05m

฿26,076

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 19/9

17:50-16:10

1 stop36h 20m

Seattle/Tacoma Intl

Mon 6/10

01:15-12:00

1 stop20h 45m

฿26,400

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 15/9

02:40-19:20

1 stop30h 40m

Seattle/Tacoma Intl

Tue 7/10

01:10-16:20

1 stop25h 10m

฿26,432

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 11/11

16:55-15:05

1 stop37h 10m

Seattle/Tacoma Intl

Thu 4/12

23:45-15:55

1 stop25h 10m

฿26,432

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 11/11

11:25-18:15

1 stop21h 50m

Seattle/Tacoma Intl

Mon 1/12

00:10-10:25

1 stop19h 15m

฿26,562

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 11/11

00:15-13:20

1 stop28h 05m

Seattle/Tacoma Intl

Sun 30/11

11:15-23:05

1 stop20h 50m

฿26,853

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 25/10

02:35-14:20

1 stop25h 45m

Seattle/Tacoma Intl

Mon 17/11

11:15-23:20

1 stop21h 05m

฿26,885

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 28 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 5 July 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.

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 5 July 2025.
Read through reviews of airlines operating flights from Thailand to Seattle, such as STARLUX Airlines, EVA Air, andKorean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Overall

9.0

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Overall

9.0

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very Good
1,209 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Overall

9.0

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very Good
1,102 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Overall

9.0

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very Good
744 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Overall

9.0

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Asiana Airlines
8.2
Very Good
452 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Overall

9.0

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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?

    ฿13,685 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 Korean Air, with prices starting from ฿16,176 and ฿17,212, 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, Bangkok Don Mueang Intl - Seattle/Tacoma Intl and Chiang Mai - 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 8 airlines flying from Thailand to Seattle

Discover the top 8 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 5 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest฿18,628Average฿22,115FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Asiana AirlinesCheapest฿22,202Average฿26,153FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest฿26,042Average฿29,525FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
EVA AirCheapest฿26,379Average฿30,905FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
เดลต้าCheapest฿26,809Average฿30,763FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
STARLUX AirlinesCheapest฿26,940Average฿29,005FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
China AirlinesCheapest฿27,588Average฿30,160FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Japan AirlinesCheapest฿31,017Average฿39,349FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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