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฿16,693+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
1 Jun — 8 Jun1
1 adult
1 adult, Economy, 0 bags

Flights to Seattle in 2026

Enter your travel dates to find the best prices.

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 2 May 2026.

Sun 20/923:30
BKK
-
SEA
1 stop29h 45m
Multiple Airlines
Thu 29/1000:10
SEA
-
BKK
1 stop23h 15m
Multiple Airlines
Deal found 30/4฿18,122
Mon 1/621:40
BKK
-
SEA
1 stop31h 35m
Multiple Airlines
Tue 15/900:10
SEA
-
BKK
1 stop33h 25m
Multiple Airlines
Deal found 1/5฿18,219
Thu 16/721:40
BKK
-
SEA
1 stop32h 05m
Multiple Airlines
Fri 24/700:10
SEA
-
BKK
1 stop34h 55m
Multiple Airlines
Deal found 1/5฿19,388
Sun 14/602:35
BKK
-
SEA
1 stop26h 40m
Multiple Airlines
Fri 26/600:10
SEA
-
BKK
1 stop33h 25m
Multiple Airlines
Deal found 30/4฿21,532
Fri 4/909:50
BKK
-
SEA
1 stop19h 25m
Multiple Airlines
Mon 28/900:10
SEA
-
BKK
1 stop34h 55m
Multiple Airlines
Deal found 29/4฿21,629
Sun 14/602:35
BKK
-
SEA
1 stop26h 40m
Multiple Airlines
Sun 21/600:10
SEA
-
BKK
1 stop34h 55m
Multiple Airlines
Deal found 1/5฿24,747
Mon 7/901:20
BKK
-
SEA
1 stop27h 55m
Asiana Airlines
Mon 19/1000:10
SEA
-
BKK
1 stop20h 30m
Asiana Airlines
Deal found 28/4฿25,299
Sat 24/1002:35
BKK
-
SEA
1 stop21h 25m
Korean Air
Sun 1/1111:00
SEA
-
BKK
1 stop35h 25m
Korean Air
Deal found 29/4฿25,526
Fri 16/1021:40
BKK
-
SEA
1 stop27h 00m
Korean Air
Sun 25/1012:00
SEA
-
BKK
1 stop35h 25m
Korean Air
Deal found 30/4฿25,559
Sun 13/1223:55
BKK
-
SEA
1 stop29h 00m
Asiana Airlines
Mon 28/1200:10
SEA
-
BKK
1 stop30h 50m
Asiana Airlines
Deal found 27/4฿25,624
Mon 14/1212:20
BKK
-
SEA
1 stop16h 35m
Asiana Airlines
Sun 27/1200:10
SEA
-
BKK
1 stop30h 50m
Asiana Airlines
Deal found 28/4฿25,656
Wed 10/602:35
BKK
-
SEA
1 stop26h 40m
Multiple Airlines
Thu 25/600:10
SEA
-
BKK
1 stop31h 35m
Multiple Airlines
Deal found 27/4฿25,721

Find flight deals to Seattle

Find the latest flights to Seattle in 2026, 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 2 May 2026.

Return from

฿18,122

One-way from

฿16,693

Popular in

July

Cheapest in

March

Average price

฿27,150
20/9-29/10
  • 20/9-29/10
  • 2 total stops
  • 53h 00m total
  • Bangkok to Seattle
Search Deals
12/5
  • 12/5
  • 1 total stop
  • 28h 25m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (฿3,972 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿636 potential savings vs. average return price).
Search Deals
Average for return flights in May 2026
Search Deals

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 2 May 2026.
Use the filters below to find and compare flights to Seattle that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 7/10

21:40-10:40

1 stop27h 00m

Seattle/Tacoma Intl

Sat 17/10

12:50-23:35

1 stop20h 45m

฿26,598
Fastest return journey

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 7/10

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Sat 17/10

19:28-09:35

2 stops24h 07m

฿27,572

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 16/10

15:45-01:05

2 stops23h 20m

Seattle/Tacoma Intl

Sun 25/10

16:40-05:10

1 stop22h 30m

฿27,865

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 6/10

07:00-14:24

2 stops21h 24m

Seattle/Tacoma Intl

Wed 7/10

17:20-23:55

2 stops40h 35m

฿28,904

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 11/9

09:50-13:37

1 stop17h 47m

Seattle/Tacoma Intl

Fri 23/10

07:20-23:35

2 stops26h 15m

฿29,976

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 6/10

09:50-21:54

2 stops26h 04m

Seattle/Tacoma Intl

Thu 15/10

21:25-01:05

2 stops37h 40m

฿30,235

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 7/6

01:00-14:45

1 stop27h 45m

Seattle/Tacoma Intl

Tue 16/6

16:25-06:20

1 stop23h 55m

฿33,418

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 12/7

16:45-19:50

1 stop17h 05m

Seattle/Tacoma Intl

Thu 23/7

02:10-23:30

1 stop31h 20m

฿33,451

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Thu 11/6

09:55-19:15

2 stops23h 20m

Seattle/Tacoma Intl

Thu 25/6

01:15-22:40

2 stops31h 25m

฿34,327

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 8/7

03:00-12:25

1 stop23h 25m

Seattle/Tacoma Intl

Tue 8/9

16:25-11:55

2 stops29h 30m

฿36,536

Flights are sorted by cheapest return flights first.

Deals found on 2/5

Showing 1-10 of 43 resultsSorted by cheapest first
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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?

To ensure you get the cheapest price possible for a flight to Seattle, you should look to book at least 73 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 17 hours 28 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.

What are the most popular airlines that fly to Seattle?

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

EVA Air
EVA Air
From ฿25,828
เดลต้า
เดลต้า
From ฿27,158
China Airlines
China Airlines
From ฿21,682
Asiana Airlines
Asiana Airlines
From ฿21,773

What are the cheapest airlines that fly to Seattle?

The cheapest airlines flying from Bangkok to Seattle are Philippine Airlines, China Airlines and Asiana 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 2 May 2026.
Get a feel of what it's like to fly with STARLUX Airlines,EVA Air, andAsiana Airlines to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Crew

9.2

Boarding

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Crew

9.2

Boarding

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
EVA Air
8.5
Very Good
1,439 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Crew

9.2

Boarding

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
Asiana Airlines
8.1
Very Good
525 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Crew

9.2

Boarding

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
เดลต้า
7.9
Good
8,467 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Crew

9.2

Boarding

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
Philippine Airlines
7.3
Good
994 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Crew

9.2

Boarding

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

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 ฿2,871, while return flights cost around ฿4,118.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around ฿4,118, however they can be found for as little as ฿4,118.

  • 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 (17 hours 5 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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Yes, we can. To see specific flights to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Yes, Cheapflights offers price alerts on Seattle flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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