How long is the flight from Thailand to Seattle?

For as low as ฿25,123, Philippine Airlines can have you in Seattle from Thailand in 18h 50m. 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

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

฿12,671 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 ฿14,887 and ฿15,532, respectively. 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).

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.

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, เดลต้า or China Airlines 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.

฿13,564+ Flights from Thailand to Seattle

Cheap flight deals from Thailand to Seattle

Enter your travel dates to find the best prices.

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 10 December 2025.

Thu 25/1213:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Thu 22/121:30SEA - BKK

1 stop23h 30mPhilippine Airlines

Deal found 9/12฿20,665

Mon 15/1201:05BKK - SEA

1 stop21h 55mไห่หนานแอร์ไลน์

Tue 13/110:00SEA - BKK

1 stop37h 20mไห่หนานแอร์ไลน์

Deal found 8/12฿20,888

Wed 17/1223:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Tue 13/121:30SEA - BKK

1 stop23h 30mPhilippine Airlines

Deal found 8/12฿21,174

Wed 17/1211:10BKK - SEA

2 stops35h 55mไห่หนานแอร์ไลน์

Tue 13/110:00SEA - BKK

1 stop22h 25mไห่หนานแอร์ไลน์

Deal found 8/12฿21,493

Thu 18/1223:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Tue 13/121:30SEA - BKK

1 stop34h 30mPhilippine Airlines

Deal found 8/12฿21,811

Mon 15/1223:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Sun 11/121:30SEA - BKK

1 stop34h 30mPhilippine Airlines

Deal found 8/12฿22,544

Thu 18/1223:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Sun 11/121:30SEA - BKK

1 stop34h 30mPhilippine Airlines

Deal found 8/12฿22,862

Thu 25/1213:20BKK - SEA

1 stop20h 20mMultiple Airlines

Thu 22/110:05SEA - BKK

2 stops33h 00mMultiple Airlines

Deal found 9/12฿23,371

Fri 19/1216:20BKK - SEA

1 stop30h 40mไห่หนานแอร์ไลน์

Tue 13/110:00SEA - BKK

1 stop22h 25mไห่หนานแอร์ไลน์

Deal found 8/12฿24,199

Fri 19/1217:15BKK - SEA

1 stop15h 55mEVA Air

Sat 10/123:30SEA - BKK

1 stop20h 40mEVA Air

Deal found 7/12฿24,804

Wed 17/1211:10BKK - SEA

2 stops35h 55mMultiple Airlines

Tue 13/106:00SEA - BKK

2 stops32h 00mMultiple Airlines

Deal found 8/12฿25,186

Wed 24/1221:40CNX - SEA

2 stops34h 50mEVA Air

Mon 29/1200:10SEA - CNX

1 stop19h 25mEVA Air

Deal found 9/12฿26,524

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 10 December 2025.

Mon 23/323:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Thu 30/423:10SEA - BKK

1 stop33h 30mPhilippine Airlines

Deal found 7/12฿22,544

Mon 1/609:35BKK - SEA

1 stop18h 50mUnited Airlines

Wed 16/908:35SEA - BKK

2 stops25h 20mUnited Airlines

Deal found 9/12฿25,123

Thu 26/311:50CNX - SEA

1 stop21h 20mEVA Air

Wed 29/401:30SEA - CNX

1 stop18h 55mEVA Air

Deal found 8/12฿25,600

Thu 16/421:40BKK - SEA

1 stop30h 20mเดลต้า

Sun 12/712:45SEA - BKK

1 stop19h 00mเดลต้า

Deal found 10/12฿25,823

Sat 28/311:25CNX - SEA

1 stop21h 45mChina Airlines

Sun 26/401:10SEA - CNX

1 stop19h 10mChina Airlines

Deal found 7/12฿27,543

Thu 26/311:25CNX - SEA

1 stop21h 45mMultiple Airlines

Thu 30/420:00SEA - CNX

2 stops24h 20mMultiple Airlines

Deal found 9/12฿28,211

Sat 30/523:40BKK - SEA

1 stop34h 25mPhilippine Airlines

Wed 24/623:10SEA - BKK

1 stop33h 30mPhilippine Airlines

Deal found 9/12฿22,926

Mon 1/609:35BKK - SEA

2 stops25h 13mUnited Airlines

Tue 1/906:30SEA - BKK

2 stops27h 25mUnited Airlines

Deal found 9/12฿25,441

Thu 12/323:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Sun 15/322:30SEA - BKK

1 stop23h 30mPhilippine Airlines

Deal found 8/12฿23,881

Wed 25/312:10CNX - SEA

2 stops21h 00mEVA Air

Wed 29/401:30SEA - CNX

2 stops22h 15mEVA Air

Deal found 7/12฿27,988

Tue 14/415:40BKK - SEA

2 stops41h 58mUnited Airlines

Sun 12/716:30SEA - BKK

1 stop22h 05mUnited Airlines

Deal found 10/12฿25,537

Mon 23/317:35CNX - SEA

1 stop15h 35mChina Airlines

Sun 26/401:10SEA - CNX

1 stop19h 10mChina Airlines

Deal found 7/12฿30,313

Tue 27/109:20DMK - SEA

2 stops24h 56mMultiple Airlines

Sun 8/208:45SEA - DMK

1 stop22h 25mMultiple Airlines

Deal found 8/12฿30,536

Wed 6/515:40BKK - SEA

2 stops42h 05mUnited Airlines

Wed 13/517:45SEA - BKK

2 stops44h 50mUnited Airlines

Deal found 9/12฿25,537

Tue 24/310:10CNX - SEA

2 stops23h 00mEVA Air

Sun 26/401:30SEA - CNX

2 stops22h 15mEVA Air

Deal found 7/12฿29,708

Tue 24/310:10CNX - SEA

2 stops23h 00mEVA Air

Wed 29/401:30SEA - CNX

2 stops22h 15mEVA Air

Deal found 7/12฿29,708

Thu 23/408:10DMK - SEA

2 stops20h 20mMultiple Airlines

Thu 23/423:10SEA - DMK

1 stop22h 15mMultiple Airlines

Deal found 8/12฿33,051

Wed 25/310:10CNX - SEA

2 stops23h 00mEVA Air

Mon 27/401:30SEA - CNX

2 stops22h 15mEVA Air

Deal found 7/12฿29,708

Mon 23/310:10CNX - SEA

2 stops23h 00mEVA Air

Sat 2/501:50SEA - CNX

2 stops21h 55mEVA Air

Deal found 7/12฿29,708

Thu 25/1209:20DMK - SEA

2 stops23h 10mMultiple Airlines

Thu 22/109:55SEA - DMK

2 stops25h 50mMultiple Airlines

Deal found 9/12฿37,700

Thu 26/312:10CNX - SEA

2 stops21h 00mEVA Air

Sat 2/500:50SEA - CNX

2 stops22h 55mEVA Air

Deal found 7/12฿29,708

Sat 27/1213:50DMK - SEA

2 stops18h 40mMultiple Airlines

Tue 30/1221:30SEA - DMK

1 stop23h 10mMultiple Airlines

Deal found 8/12฿40,725

Thu 23/402:30DMK - SEA

1 stop22h 10mMultiple Airlines

Fri 24/423:10SEA - DMK

1 stop22h 15mMultiple Airlines

Deal found 8/12฿42,540

Wed 7/102:00DMK - SEA

3 stops35h 06mMultiple Airlines

Sat 10/100:10SEA - DMK

2 stops32h 00mMultiple Airlines

Deal found 8/12฿43,877

Tue 6/120:10DMK - SEA

3 stops37h 55mMultiple Airlines

Tue 13/112:20SEA - DMK

1 stop23h 25mMultiple Airlines

Deal found 9/12฿49,959

Last-minute flights from Thailand to Seattle
Discover last-minute flight deals from Thailand to Seattle. Data last updated 10 December 2025 and is based on user searches.

Mon 15/1201:05BKK - SEA

1 stop21h 55mไห่หนานแอร์ไลน์

Tue 13/110:00SEA - BKK

1 stop37h 20mไห่หนานแอร์ไลน์

Deal found 8/12฿20,888

Mon 15/1223:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Sun 11/121:30SEA - BKK

1 stop34h 30mPhilippine Airlines

Deal found 8/12฿22,544

Wed 17/1223:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Tue 13/121:30SEA - BKK

1 stop23h 30mPhilippine Airlines

Deal found 8/12฿21,174

Wed 17/1211:10BKK - SEA

2 stops35h 55mไห่หนานแอร์ไลน์

Tue 13/110:00SEA - BKK

1 stop22h 25mไห่หนานแอร์ไลน์

Deal found 8/12฿21,493

Thu 18/1223:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Tue 13/121:30SEA - BKK

1 stop34h 30mPhilippine Airlines

Deal found 8/12฿21,811

Thu 18/1223:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Wed 14/121:30SEA - BKK

1 stop34h 30mPhilippine Airlines

Deal found 8/12฿22,862

Wed 24/1221:40CNX - SEA

2 stops34h 50mEVA Air

Mon 29/1200:10SEA - CNX

1 stop19h 25mEVA Air

Deal found 9/12฿26,524

Thu 25/1213:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Thu 22/121:30SEA - BKK

1 stop23h 30mPhilippine Airlines

Deal found 9/12฿20,665

Thu 25/1213:20BKK - SEA

1 stop20h 20mMultiple Airlines

Thu 22/110:05SEA - BKK

2 stops33h 00mMultiple Airlines

Deal found 9/12฿23,371

Thu 22/113:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Thu 29/121:30SEA - BKK

1 stop23h 30mPhilippine Airlines

Deal found 8/12฿21,748

Fri 23/113:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Fri 30/121:30SEA - BKK

1 stop23h 30mPhilippine Airlines

Deal found 9/12฿22,830

Tue 27/113:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Sun 8/221:30SEA - BKK

1 stop34h 30mPhilippine Airlines

Deal found 8/12฿21,588

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 10 December 2025.

Tue 20/113:45BKK - SEA

1 stop16h 20mSTARLUX Airlines

Deal found 8/12฿13,564

Fri 3/413:50BKK - SEA

1 stop33h 10mไห่หนานแอร์ไลน์

Deal found 8/12฿13,755

Wed 21/117:40BKK - SEA

1 stop36h 25mSTARLUX Airlines

Deal found 9/12฿13,819

Thu 22/113:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Deal found 9/12฿13,851

Mon 9/218:45BKK - SEA

1 stop38h 55mPhilippine Airlines

Deal found 7/12฿14,074

Wed 21/123:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Deal found 9/12฿14,106

Mon 16/223:50BKK - SEA

1 stop33h 50mPhilippine Airlines

Deal found 9/12฿14,169

Mon 19/117:40BKK - SEA

1 stop36h 25mSTARLUX Airlines

Deal found 8/12฿14,201

Mon 6/400:40BKK - SEA

1 stop22h 20mไห่หนานแอร์ไลน์

Deal found 9/12฿14,265

Fri 3/400:40BKK - SEA

1 stop22h 20mไห่หนานแอร์ไลน์

Deal found 8/12฿14,329

Tue 3/217:40BKK - SEA

1 stop36h 25mSTARLUX Airlines

Deal found 8/12฿14,360

Wed 25/213:20BKK - SEA

1 stop20h 20mPhilippine Airlines

Deal found 9/12฿14,392

Find flight deals from Thailand to Seattle

Round-trip from	฿20,124
One-way from	฿13,564
Popular in	July
Cheapest in	February
Average price	฿25,250

ไห่หนานแอร์ไลน์
23/3-11/4
2 total stops
57h 15m total
Thailand to Seattle

Search Deals

STARLUX Airlines
20/1
1 total stop
16h 20m total
Thailand to Seattle

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (฿112,431 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (฿19,360 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 23/3

23:50-19:40

1 stop33h 50m

Seattle/Tacoma Intl

Thu 30/4

23:10-22:40

1 stop33h 30m

฿22,544

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 30/5

23:40-20:05

1 stop34h 25m

Seattle/Tacoma Intl

Wed 24/6

23:10-22:40

1 stop33h 30m

฿22,926

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 12/3

23:50-19:40

1 stop33h 50m

Seattle/Tacoma Intl

Sun 15/3

22:30-12:00

1 stop23h 30m

฿23,881

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 1/6

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Wed 16/9

08:35-23:55

2 stops25h 20m

฿25,123

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 1/6

09:35-20:48

2 stops25h 13m

Seattle/Tacoma Intl

Tue 1/9

06:30-23:55

2 stops27h 25m

฿25,441

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 14/4

15:40-19:38

2 stops41h 58m

Seattle/Tacoma Intl

Sun 12/7

16:30-04:35

1 stop22h 05m

฿25,537

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 6/5

15:40-19:45

2 stops42h 05m

Seattle/Tacoma Intl

Wed 13/5

17:45-04:35

2 stops44h 50m

฿25,537

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 26/3

11:50-19:10

1 stop21h 20m

Seattle/Tacoma Intl

Wed 29/4

01:30-10:25

1 stop18h 55m

฿25,600

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 16/4

21:40-14:00

1 stop30h 20m

Seattle/Tacoma Intl

Sun 12/7

12:45-21:45

1 stop19h 00m

฿25,823

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 28/3

11:25-19:10

1 stop21h 45m

Seattle/Tacoma Intl

Sun 26/4

01:10-10:20

1 stop19h 10m

฿27,543

Flights are sorted by cheapest return flights first.

Deals found on 9/12

Showing 1-10 of 53 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 month to book a flight from Thailand to Seattle?

Currently, June is the cheapest month in which you can book a flight from Thailand to Seattle (average of ฿19,869). Flying from Thailand to Seattle in July is currently the most expensive (average of ฿25,473). 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?

It’s optimal to fly from Thailand to Seattle in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Thailand to Seattle, such as STARLUX Airlines, EVA Air, andChina Airlines. 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 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

STARLUX Airlines

8.9

Very Good

STARLUX Airlines

8.9

Very Good

Check prices

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

EVA Air

8.5

Very Good

1,296 reviews

STARLUX Airlines

8.9

Very Good

Check prices

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

China Airlines

8.2

Very Good

788 reviews

STARLUX Airlines

8.9

Very Good

Check prices

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

เดลต้า

7.9

Good

8,008 reviews

STARLUX Airlines

8.9

Very Good

Check prices

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Philippine Airlines

7.3

Good

941 reviews

STARLUX Airlines

8.9

Very Good

Check prices

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

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 ฿25,123, Philippine Airlines can have you in Seattle from Thailand in 18h 50m. 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 cheapest airlines to fly from Thailand to Seattle one-way?
฿12,671 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 ฿14,887 and ฿15,532, 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.
What is the cheapest month to book a flight from Thailand to Seattle?
Currently, June is the cheapest month in which you can book a flight from Thailand to Seattle (average of ฿19,869). Flying from Thailand to Seattle in July is currently the most expensive (average of ฿25,473). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Thailand to Seattle

Chiang Mai to Portland flights

Chiang Mai to Seattle flights

Top 7 airlines flying from Thailand to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Philippine Airlines	Cheapest฿20,444	Average฿21,670	FlexibilityNo cancel fee	On-time60%	Search Philippine Airlines flights
STARLUX Airlines	Cheapest฿23,503	Average฿27,151	FlexibilityNo cancel fee	On-timeN/A	Search STARLUX Airlines flights
China Airlines	Cheapest฿23,800	Average฿25,834	FlexibilityNo cancel fee	On-time70%	Search China Airlines flights
EVA Air	Cheapest฿25,323	Average฿29,189	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
เดลต้า	Cheapest฿26,385	Average฿29,683	FlexibilityNo cancel fee	On-timeN/A	Search เดลต้า flights
Korean Air	Cheapest฿26,398	Average฿31,231	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
Asiana Airlines	Cheapest฿28,056	Average฿31,035	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines 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.

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Cheap flights from Thailand to Seattle from ฿13,564

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Thailand to Seattle

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 10 December 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 10 December 2025.

Find flight deals from Thailand to Seattle

Keep the following information in mind while searching for Thailand to Seattle flight deals. Data was last updated 10 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 month to book a 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 10 December 2025.

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Thailand to Seattle, such as STARLUX Airlines, EVA Air, andChina Airlines. 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 cheapest airlines to fly from Thailand to Seattle one-way?

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?

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

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Alternative routes for Thailand to Seattle

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Top 7 airlines flying from Thailand to Seattle

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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 10 December 2025.