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Cheap flights from Thailand to Seattle from ฿15,341

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
21 Jun — 28 Jun1
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 16 June 2025.

Round-trip from

฿22,834

One-way from

฿15,341

Popular in

August

Cheapest in

November

Average price

฿31,167
6/7-12/7
  • 6/7-12/7
  • 2 total stops
  • 44h 20m total
  • Thailand to Seattle
China Airlines
  • China Airlines
  • 6/9
  • 1 total stop
  • 31h 05m total
  • Thailand to Seattle
Highest demand for flights based on searches. 11% potential increase in price (฿124,014 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (฿20,192 potential savings vs. average return price).
Average for round-trip flights in June 2025

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 16 June 2025.

Sun 6/701:20BKK - SEA
1 stop25h 25mMultiple Airlines
Sat 12/714:30SEA - BKK
1 stop18h 55mMultiple Airlines
Deal found 15/6฿22,834
Tue 1/723:20BKK - SEA
1 stop33h 55mPhilippine Airlines
Sun 27/723:35SEA - BKK
1 stop22h 40mPhilippine Airlines
Deal found 14/6฿24,255
Mon 15/902:40BKK - SEA
1 stop30h 40mChina Airlines
Tue 7/1001:10SEA - BKK
1 stop34h 15mChina Airlines
Deal found 14/6฿25,159
Wed 17/913:10BKK - SEA
1 stop17h 00mSTARLUX Airlines
Tue 7/1001:15SEA - BKK
1 stop20h 45mSTARLUX Airlines
Deal found 14/6฿25,676
Thu 18/1200:15CNX - SEA
1 stop23h 45mKorean Air
Tue 20/111:00SEA - CNX
1 stop21h 05mKorean Air
Deal found 14/6฿26,322
Fri 19/1211:50CNX - SEA
1 stop21h 20mEVA Air
Mon 19/100:10SEA - CNX
1 stop19h 25mEVA Air
Deal found 14/6฿27,162
Wed 15/1001:35BKK - SEA
1 stop31h 55mEVA Air
Sat 8/1123:30SEA - BKK
1 stop33h 10mEVA Air
Deal found 14/6฿27,162
Tue 24/602:35BKK - SEA
1 stop25h 05mเดลต้า
Wed 9/712:45SEA - BKK
1 stop20h 40mเดลต้า
Deal found 14/6฿27,356
Sat 11/1020:10BKK - SEA
2 stops32h 06mแอร์แคนาดา
Mon 13/1014:55SEA - BKK
2 stops33h 25mแอร์แคนาดา
Deal found 16/6฿28,325
Sun 29/609:35BKK - SEA
1 stop18h 50mANA
Thu 10/707:00SEA - BKK
2 stops26h 55mANA
Deal found 14/6฿29,067
Fri 19/1210:10CNX - SEA
2 stops19h 55mMultiple Airlines
Tue 20/123:45SEA - CNX
1 stop25h 10mMultiple Airlines
Deal found 14/6฿29,100
Fri 11/707:00BKK - SEA
2 stops31h 59mUnited Airlines
Thu 31/716:30SEA - BKK
1 stop22h 05mUnited Airlines
Deal found 16/6฿29,132

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 16 June 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

Sun 6/7

01:20-12:45

1 stop25h 25m

Seattle/Tacoma Intl

Sat 12/7

14:30-23:25

1 stop18h 55m

฿22,834

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 1/7

23:20-19:15

1 stop33h 55m

Seattle/Tacoma Intl

Sun 27/7

23:35-12:15

1 stop22h 40m

฿24,255

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 15/9

02:40-19:20

1 stop30h 40m

Seattle/Tacoma Intl

Tue 7/10

01:10-01:25

1 stop34h 15m

฿25,159

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 17/9

13:10-16:10

1 stop17h 00m

Seattle/Tacoma Intl

Tue 7/10

01:15-12:00

1 stop20h 45m

฿25,676

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 15/10

01:35-19:30

1 stop31h 55m

Seattle/Tacoma Intl

Sat 8/11

23:30-23:40

1 stop33h 10m

฿27,162

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 11/10

20:10-14:16

2 stops32h 06m

Seattle/Tacoma Intl

Mon 13/10

14:55-14:20

2 stops33h 25m

฿28,325

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 29/6

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Thu 10/7

07:00-23:55

2 stops26h 55m

฿29,067

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 11/7

07:00-00:59

2 stops31h 59m

Seattle/Tacoma Intl

Thu 31/7

16:30-04:35

1 stop22h 05m

฿29,132

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 10/7

02:35-10:50

1 stop22h 15m

Seattle/Tacoma Intl

Thu 31/7

13:20-01:05

1 stop21h 45m

฿29,778

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 10/7

09:50-14:00

1 stop18h 10m

Seattle/Tacoma Intl

Sat 12/7

12:45-01:05

1 stop22h 20m

฿30,682

Flights are sorted by cheapest return flights first.

Deals found on 15/6

Showing 1-10 of 32 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 16 June 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 16 June 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

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

8.9

Overall

9.1

Food

8.8

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
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

8.9

Overall

9.1

Food

8.8

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
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

8.9

Overall

9.1

Food

8.8

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
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

8.9

Overall

9.1

Food

8.8

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
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

8.9

Overall

9.1

Food

8.8

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
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

8.9

Overall

9.1

Food

8.8

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?

    ฿15,341 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 แอร์แคนาดา and Philippine Airlines, with prices starting from ฿15,761 and ฿16,181, respectively.

  • What are the most popular routes 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 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

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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.

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 16 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest฿18,596Average฿22,041FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Asiana AirlinesCheapest฿22,164Average฿26,108FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest฿25,997Average฿33,385FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
EVA AirCheapest฿26,334Average฿31,101FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
เดลต้าCheapest฿26,763Average฿30,710FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
STARLUX AirlinesCheapest฿26,916Average฿29,011FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
China AirlinesCheapest฿27,540Average฿30,109FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Japan AirlinesCheapest฿30,964Average฿39,281FlexibilityNo 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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