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฿15,884+ Cheap flights to Seattle

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.
— SEA
4 May — 11 May1
1 adult

Flights to Seattle in 2025

Find the latest flights to Seattle in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 29 April 2025.

Return 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
  • Bangkok to Seattle
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2/6
  • 2/6
  • 2 total stops
  • 34h 10m total
  • Bangkok 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 return flights in April 2025
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Find flight deals to Seattle

Cheapest flights to Seattle
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, 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
Mon 16/602:35BKK - SEA
1 stop22h 15mKorean Air
Tue 9/912:50SEA - BKK
1 stop18h 55mKorean Air
Deal found 28/4฿27,311
Tue 16/916:45BKK - SEA
1 stop16h 05mEVA Air
Tue 7/1001:30SEA - BKK
1 stop18h 55mEVA Air
Deal found 28/4฿27,579
Sun 29/613:10BKK - SEA
1 stop17h 00mSTARLUX Airlines
Wed 9/701:15SEA - BKK
1 stop20h 45mSTARLUX Airlines
Deal found 28/4฿28,082
Mon 2/602:35BKK - SEA
1 stop25h 05mเดลต้า
Fri 27/612:55SEA - BKK
1 stop22h 10mเดลต้า
Deal found 28/4฿28,417
Wed 30/400:25BKK - SEA
2 stops36h 24mJapan Airlines
Sat 3/508:13SEA - BKK
2 stops24h 47mJapan Airlines
Deal found 28/4฿30,796
Sat 4/1007:00BKK - SEA
2 stops23h 09mUnited Airlines
Mon 13/1016:30SEA - BKK
1 stop22h 05mUnited Airlines
Deal found 28/4฿31,097
Sat 28/601:20BKK - SEA
1 stop25h 10mAsiana Airlines
Thu 10/714:30SEA - BKK
1 stop18h 40mAsiana Airlines
Deal found 28/4฿31,131
Sat 4/1018:30BKK - SEA
2 stops32h 35mแอร์แคนาดา
Sun 12/1019:15SEA - BKK
2 stops25h 45mแอร์แคนาดา
Deal found 28/4฿32,538
Wed 17/909:35BKK - SEA
2 stops23h 01mANA
Wed 8/1013:45SEA - BKK
2 stops26h 15mANA
Deal found 28/4฿32,773

Cheapflights Fare Finder

Locate flights to Seattle that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 29 April 2025.
Use the filters below to find and compare flights to Seattle that are best for you.

Fly from

Bangkok

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

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

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

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

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 4/10

07:00-16:09

2 stops23h 09m

Seattle/Tacoma Intl

Mon 13/10

16:30-04:35

1 stop22h 05m

฿31,097

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 28/6

01:20-12:30

1 stop25h 10m

Seattle/Tacoma Intl

Thu 10/7

14:30-23:10

1 stop18h 40m

฿31,131

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 4/10

18:30-13:05

2 stops32h 35m

Seattle/Tacoma Intl

Sun 12/10

19:15-11:00

2 stops25h 45m

฿32,538

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 30 results
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Best time to book a flight to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 to Seattle

When is the best time to book a flight to Seattle?

Use this chart to determine the optimal time to book a return flight from Bangkok to Seattle. Price data was last updated on 25 April 2025.

To ensure you get the cheapest price possible for a flight to Seattle, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Seattle?

On average, a flight from Bangkok to Seattle takes 19 hours 15 minutes. Flights to Seattle from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Seattle?

Use this chart to determine the cheapest time to fly return from Bangkok to Seattle. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Seattle should consider flying on Wednesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday at midday, when prices are usually at their highest.

What are the most popular airlines that fly to Seattle?

The most popular airlines flying from Bangkok to Seattle are Asiana Airlines, EVA Air and ANA.

Asiana Airlines

Asiana Airlines

From ฿688

EVA Air

EVA Air

From ฿815

ANA

ANA

From ฿864

Korean Air

Korean Air

From ฿822

What are the cheapest airlines that fly to Seattle?

The cheapest airlines flying from Bangkok to Seattle are Philippine Airlines, Asiana Airlines and STARLUX Airlines.

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 mm 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.
To help decide which airline to fly to Seattle, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

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

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

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

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

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
1,064 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

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

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

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

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

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.

FAQs about flying to Seattle

  • What airport do you fly into for flights to Seattle?

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly into when you book flights to Seattle.

  • Can I find cheaper flights to Seattle if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Seattle on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Seattle?

    Based on reviews from Cheapflights users, Philippine Airlines is rated the highest out of the airlines that fly to Seattle.

  • What is the cheapest airport to fly to in Seattle?

    Seattle/Tacoma Intl is currently the cheapest airport to fly to in Seattle. One-way flights to Seattle/Tacoma Intl typically cost ฿2,339, while return flights cost around ฿11,627.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around ฿347, however they can be found for as little as ฿347.

  • Where does the fastest flight to Seattle depart from?

    For those looking to save time traveling to Seattle, Bangkok offers the quickest one-way flight (16 hours 30 minutes).

  • Does Seattle/Tacoma Intl have rental cars?

    Yes. Those touching down at Seattle/Tacoma Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Seattle/Tacoma Intl?

    Yes. Seattle/Tacoma Intl has hotels nearby for those requiring accommodations. Seatac Inn is the closest property to Seattle/Tacoma Intl (0.0 km away from Seattle/Tacoma Intl).

See more FAQs

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