How long is the flight from Thailand to Seattle?

For as low as ฿22,907, Philippine Airlines can have you in Seattle from Thailand in 20h 20m. The distance from Thailand to Seattle is about 11978 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops. Find deals

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. Find deals

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). Find deals

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. Find deals

What are the most popular airlines that fly from Thailand to Seattle?

When booking a flight from Thailand to Seattle, you may want to consider flying on EVA Air, China Airlines or เดลต้า as they are the most popular for this route.

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.

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.

฿13,103+ Cheap Flights from Thailand to Seattle

Cheap flight deals from Thailand to Seattle

Round-trip from	฿20,337
One-way from	฿13,103
Popular in	July
Cheapest in	November
Average price	฿28,872

15/10-23/10
2 total stops
44h 15m total
Thailand to Seattle

Search Deals

29/1
2 total stops
23h 00m total
Thailand to Seattle

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (฿99,696 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (฿17,250 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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 18 September 2025.

Wed 15/1001:45BKK - SEA

1 stop24h 45mMultiple Airlines

Thu 23/1014:15SEA - BKK

1 stop19h 30mMultiple Airlines

Deal found 17/9฿20,337

Wed 19/1113:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Fri 28/1121:30SEA - BKK

1 stop23h 30mPhilippine Airlines

Deal found 18/9฿21,067

Wed 17/913:30BKK - SEA

1 stop19h 45mPhilippine Airlines

Wed 8/1023:35SEA - BKK

1 stop22h 40mPhilippine Airlines

Deal found 16/9฿21,099

Thu 9/1023:20BKK - SEA

1 stop33h 55mPhilippine Airlines

Wed 12/1121:30SEA - BKK

1 stop23h 30mPhilippine Airlines

Deal found 18/9฿21,352

Fri 19/913:30BKK - SEA

1 stop19h 45mPhilippine Airlines

Sun 21/923:35SEA - BKK

1 stop22h 40mPhilippine Airlines

Deal found 15/9฿21,416

Sat 18/1018:40BKK - SEA

1 stop38h 35mPhilippine Airlines

Sun 26/1022:30SEA - BKK

1 stop23h 30mPhilippine Airlines

Deal found 16/9฿21,448

Wed 19/1113:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Thu 4/1221:30SEA - BKK

1 stop34h 30mPhilippine Airlines

Deal found 17/9฿21,511

Tue 16/918:40BKK - SEA

1 stop38h 35mPhilippine Airlines

Wed 8/1023:35SEA - BKK

1 stop22h 40mPhilippine Airlines

Deal found 16/9฿21,543

Thu 20/1123:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Fri 5/1221:30SEA - BKK

1 stop34h 30mPhilippine Airlines

Deal found 17/9฿21,797

Fri 21/1113:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Thu 4/1221:30SEA - BKK

1 stop34h 30mPhilippine Airlines

Deal found 17/9฿21,860

Sun 19/1001:45BKK - SEA

1 stop22h 55mMultiple Airlines

Wed 29/1012:00SEA - BKK

1 stop22h 10mMultiple Airlines

Deal found 17/9฿21,987

Mon 10/1117:35CNX - SEA

1 stop15h 35mChina Airlines

Thu 4/1200:10SEA - CNX

1 stop19h 15mChina Airlines

Deal found 16/9฿26,746

Best flights from Thailand to Seattle
Discover carefully curated flight deals from Thailand to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Fri 21/1113:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Wed 3/1221:30SEA - BKK

1 stop29h 20mPhilippine Airlines

Deal found 17/9฿22,907

Mon 13/1002:40BKK - SEA

1 stop30h 40mChina Airlines

Sat 25/1001:10SEA - BKK

1 stop21h 55mChina Airlines

Deal found 16/9฿25,255

Sun 1/300:15CNX - SEA

1 stop23h 45mKorean Air

Tue 10/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,492

Sun 19/1002:45DMK - SEA

1 stop25h 50mMultiple Airlines

Wed 29/1022:30SEA - DMK

2 stops33h 00mMultiple Airlines

Deal found 17/9฿31,283

Sat 25/1010:50BKK - SEA

1 stop22h 30mChina Airlines

Thu 6/1100:10SEA - BKK

1 stop21h 55mChina Airlines

Deal found 17/9฿25,255

Wed 4/300:15CNX - SEA

1 stop23h 45mKorean Air

Wed 11/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,492

Thu 9/1013:20BKK - SEA

1 stop20h 00mChina Airlines

Tue 11/1100:10SEA - BKK

1 stop21h 55mChina Airlines

Deal found 17/9฿25,255

Mon 2/300:15CNX - SEA

1 stop23h 45mKorean Air

Thu 12/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,492

Mon 2/302:35BKK - SEA

1 stop30h 35mChina Airlines

Sat 7/300:10SEA - BKK

1 stop25h 35mChina Airlines

Deal found 17/9฿25,318

Tue 3/300:15CNX - SEA

1 stop23h 45mKorean Air

Sun 8/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,492

Sat 1/1102:35BKK - SEA

1 stop30h 35mChina Airlines

Sat 8/1100:10SEA - BKK

1 stop34h 25mChina Airlines

Deal found 18/9฿25,318

Wed 19/1102:30DMK - SEA

1 stop26h 25mMultiple Airlines

Thu 4/1200:10SEA - DMK

2 stops25h 05mMultiple Airlines

Deal found 17/9฿33,790

Wed 4/300:15CNX - SEA

1 stop23h 45mKorean Air

Thu 12/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,492

Fri 24/1002:40BKK - SEA

1 stop30h 40mChina Airlines

Mon 3/1100:10SEA - BKK

1 stop18h 40mChina Airlines

Deal found 16/9฿25,318

Wed 15/1002:45DMK - SEA

1 stop25h 50mMultiple Airlines

Wed 29/1001:10SEA - DMK

2 stops28h 35mMultiple Airlines

Deal found 15/9฿34,297

Wed 4/300:15CNX - SEA

1 stop23h 45mKorean Air

Tue 10/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,492

Sat 13/1214:05BKK - SEA

1 stop19h 05mChina Airlines

Thu 1/100:10SEA - BKK

1 stop21h 55mChina Airlines

Deal found 18/9฿25,318

Sun 1/300:15CNX - SEA

1 stop23h 45mKorean Air

Sun 8/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,492

Tue 14/1009:20DMK - SEA

2 stops24h 00mMultiple Airlines

Mon 20/1001:30SEA - DMK

1 stop20h 15mMultiple Airlines

Deal found 15/9฿35,757

Sat 21/210:55BKK - SEA

1 stop22h 15mChina Airlines

Sat 7/300:10SEA - BKK

1 stop18h 40mChina Airlines

Deal found 17/9฿25,318

Fri 6/300:15CNX - SEA

1 stop23h 45mKorean Air

Tue 10/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,492

Thu 16/1007:25DMK - SEA

1 stop22h 45mMultiple Airlines

Wed 22/1001:15SEA - DMK

1 stop20h 30mMultiple Airlines

Deal found 17/9฿36,010

Mon 9/202:35BKK - SEA

1 stop30h 35mChina Airlines

Mon 9/301:10SEA - BKK

1 stop18h 40mChina Airlines

Deal found 16/9฿25,318

Mon 2/300:15CNX - SEA

1 stop23h 45mKorean Air

Mon 9/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,492

Wed 1/1007:30DMK - SEA

2 stops25h 45mMultiple Airlines

Sat 4/1012:50SEA - DMK

2 stops21h 50mMultiple Airlines

Deal found 17/9฿37,978

Fri 6/300:15CNX - SEA

1 stop23h 45mKorean Air

Fri 13/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,492

Wed 15/1007:25DMK - SEA

1 stop22h 45mMultiple Airlines

Wed 22/1019:59SEA - DMK

2 stops25h 46mMultiple Airlines

Deal found 17/9฿38,644

Fri 6/300:15CNX - SEA

1 stop23h 45mKorean Air

Sat 14/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,524

Mon 2/300:15CNX - SEA

1 stop23h 45mKorean Air

Sat 14/312:00SEA - CNX

1 stop20h 55mKorean Air

Deal found 16/9฿26,524

Last-minute flights from Thailand to Seattle
Discover last-minute flight deals from Thailand to Seattle. Data last updated 18 September 2025 and is based on user searches.

Wed 17/923:55DMK - SEA

2 stops28h 50mMultiple Airlines

Wed 24/923:35SEA - DMK

1 stop21h 50mMultiple Airlines

Deal found 17/9฿33,694

Thu 18/902:45DMK - SEA

1 stop26h 00mMultiple Airlines

Sun 21/923:35SEA - DMK

1 stop21h 50mMultiple Airlines

Deal found 15/9฿30,775

Tue 23/923:20BKK - SEA

1 stop33h 55mMultiple Airlines

Tue 30/914:15SEA - BKK

1 stop18h 55mMultiple Airlines

Deal found 17/9฿25,921

Tue 23/916:45BKK - SEA

1 stop16h 05mEVA Air

Mon 29/901:30SEA - BKK

1 stop19h 30mEVA Air

Deal found 17/9฿27,095

Tue 23/923:20BKK - SEA

1 stop33h 55mPhilippine Airlines

Tue 30/919:05SEA - BKK

2 stops32h 35mPhilippine Airlines

Deal found 17/9฿29,919

Tue 23/923:30BKK - SEA

2 stops33h 30mเดลต้า

Tue 30/907:20SEA - BKK

2 stops27h 45mเดลต้า

Deal found 17/9฿30,141

Wed 8/1011:35CNX - SEA

1 stop21h 55mEVA Air

Sat 11/1015:46SEA - CNX

2 stops28h 39mEVA Air

Deal found 15/9฿30,649

Wed 8/1015:45CNX - SEA

3 stops34h 45mMultiple Airlines

Sat 11/1014:15SEA - CNX

2 stops29h 30mMultiple Airlines

Deal found 15/9฿33,536

Tue 14/1007:25DMK - SEA

1 stop22h 45mMultiple Airlines

Mon 20/1001:15SEA - DMK

1 stop20h 30mMultiple Airlines

Deal found 15/9฿33,409

Wed 15/1002:45DMK - SEA

1 stop23h 45mMultiple Airlines

Thu 23/1018:59SEA - DMK

2 stops30h 46mMultiple Airlines

Deal found 17/9฿35,090

Thu 16/1007:25DMK - SEA

2 stops21h 10mMultiple Airlines

Thu 30/1011:05SEA - DMK

1 stop27h 55mMultiple Airlines

Deal found 15/9฿33,599

Mon 20/1019:05DMK - SEA

2 stops27h 55mMultiple Airlines

Wed 29/1022:30SEA - DMK

1 stop33h 40mMultiple Airlines

Deal found 17/9฿30,966

One-way flights from Thailand to Seattle
Search for one-way flight options from Thailand to Seattle. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Thu 29/110:40BKK - SEA

2 stops23h 00mMultiple Airlines

Deal found 16/9฿13,103

Tue 25/1118:45BKK - SEA

1 stop38h 55mPhilippine Airlines

Deal found 15/9฿13,135

Sun 5/1013:30BKK - SEA

1 stop19h 45mPhilippine Airlines

Deal found 17/9฿13,262

Thu 5/313:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Deal found 17/9฿13,389

Tue 14/1023:20BKK - SEA

1 stop33h 55mPhilippine Airlines

Deal found 15/9฿13,421

Thu 29/118:45BKK - SEA

1 stop38h 55mPhilippine Airlines

Deal found 16/9฿13,452

Sat 15/1118:45BKK - SEA

1 stop38h 55mPhilippine Airlines

Deal found 16/9฿13,484

Sun 16/1113:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Deal found 16/9฿13,516

Sat 1/1123:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Deal found 16/9฿13,548

Wed 15/1008:10DMK - SEA

2 stops25h 05mMultiple Airlines

Deal found 17/9฿13,579

Thu 23/1023:20BKK - SEA

1 stop33h 55mPhilippine Airlines

Deal found 16/9฿13,611

Fri 14/1113:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Deal found 16/9฿13,833

Fly from

Fly to

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 21/11

13:20-18:40

1 stop20h 20m

Seattle/Tacoma Intl

Wed 3/12

21:30-17:50

1 stop29h 20m

฿22,907

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 13/10

02:40-19:20

1 stop30h 40m

Seattle/Tacoma Intl

Sat 25/10

01:10-13:05

1 stop21h 55m

฿25,255

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 25/10

10:50-19:20

1 stop22h 30m

Seattle/Tacoma Intl

Thu 6/11

00:10-13:05

1 stop21h 55m

฿25,255

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 9/10

13:20-19:20

1 stop20h 00m

Seattle/Tacoma Intl

Tue 11/11

00:10-13:05

1 stop21h 55m

฿25,255

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 2/3

02:35-18:10

1 stop30h 35m

Seattle/Tacoma Intl

Sat 7/3

00:10-16:45

1 stop25h 35m

฿25,318

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 1/11

02:35-19:10

1 stop30h 35m

Seattle/Tacoma Intl

Sat 8/11

00:10-01:35

1 stop34h 25m

฿25,318

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 24/10

02:40-19:20

1 stop30h 40m

Seattle/Tacoma Intl

Mon 3/11

00:10-09:50

1 stop18h 40m

฿25,318

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 13/12

14:05-18:10

1 stop19h 05m

Seattle/Tacoma Intl

Thu 1/1

00:10-13:05

1 stop21h 55m

฿25,318

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 21/2

10:55-18:10

1 stop22h 15m

Seattle/Tacoma Intl

Sat 7/3

00:10-09:50

1 stop18h 40m

฿25,318

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 9/2

02:35-18:10

1 stop30h 35m

Seattle/Tacoma Intl

Mon 9/3

01:10-09:50

1 stop18h 40m

฿25,318

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 50 results

...

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?

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

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

8.9

Very Good

Check prices

Reviews

1 / 8

10.0

Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

STARLUX Airlines

8.9

Very Good

STARLUX Airlines

8.9

Very Good

Check prices

Reviews

1 / 8

10.0

Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

EVA Air

8.4

Very Good

1,237 reviews

STARLUX Airlines

8.9

Very Good

Check prices

Reviews

1 / 8

10.0

Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Korean Air

8.4

Very Good

1,140 reviews

STARLUX Airlines

8.9

Very Good

Check prices

Reviews

1 / 8

10.0

Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Asiana Airlines

8.2

Very Good

481 reviews

STARLUX Airlines

8.9

Very Good

Check prices

Reviews

1 / 8

10.0

Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

เดลต้า

8.0

Very Good

7,961 reviews

STARLUX Airlines

8.9

Very Good

Check prices

Reviews

1 / 8

10.0

Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Related info for your journey

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.
How long is the flight from Thailand to Seattle?
For as low as ฿22,907, Philippine Airlines can have you in Seattle from Thailand in 20h 20m. The distance from Thailand to Seattle is about 11978 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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

Alternative routes for Thailand to Seattle

Chiang Mai to Seattle flights

Chiang Mai to Portland flights

Top 7 airlines flying from Thailand to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Philippine Airlines	Cheapest฿20,732	Average฿21,722	FlexibilityNo cancel fee	On-time60%	Search Philippine Airlines flights
Asiana Airlines	Cheapest฿21,773	Average฿23,611	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
STARLUX Airlines	Cheapest฿23,419	Average฿27,054	FlexibilityNo cancel fee	On-timeN/A	Search STARLUX Airlines flights
China Airlines	Cheapest฿23,715	Average฿27,441	FlexibilityNo cancel fee	On-time70%	Search China Airlines flights
Korean Air	Cheapest฿25,538	Average฿28,949	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
EVA Air	Cheapest฿25,869	Average฿29,381	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
เดลต้า	Cheapest฿26,290	Average฿29,577	FlexibilityNo cancel fee	On-timeN/A	Search เดลต้า flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Thailand to Seattle from ฿13,103

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.

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 18 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Thailand to Seattle

Cheapest flights from Thailand to SeattleExplore 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 18 September 2025.

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 18 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Thailand to Seattle that are best for you.

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.

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 18 September 2025.

Reviews of airlines servicing Seattle

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.

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?

How long is the flight from Thailand to Seattle?

What are the most popular routes from Thailand to Seattle?

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

How can I find direct flights from Thailand to Seattle?

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

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.

Top 7 airlines flying from Thailand to Seattle

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?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 18 September 2025.