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฿16,683+ 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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
25 May — 1 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 25 April 2026.

Sun 14/602:35
BKK
-
SEA
1 stop26h 40m
Multiple Airlines
Tue 14/700:10
SEA
-
BKK
1 stop34h 55m
Multiple Airlines
Deal found 23/4฿19,274
Wed 16/923:30
BKK
-
SEA
1 stop29h 45m
Multiple Airlines
Mon 28/900:10
SEA
-
BKK
1 stop33h 25m
Multiple Airlines
Deal found 20/4฿19,598
Mon 1/621:40
BKK
-
SEA
1 stop31h 35m
Multiple Airlines
Mon 31/800:10
SEA
-
BKK
1 stop33h 25m
Multiple Airlines
Deal found 21/4฿19,630
Tue 14/709:50
BKK
-
SEA
1 stop19h 55m
Multiple Airlines
Fri 24/700:10
SEA
-
BKK
1 stop34h 55m
Multiple Airlines
Deal found 24/4฿21,930
Thu 16/709:50
BKK
-
SEA
1 stop19h 55m
Multiple Airlines
Fri 24/700:10
SEA
-
BKK
1 stop34h 55m
Multiple Airlines
Deal found 21/4฿22,189
Mon 15/613:55
BKK
-
SEA
1 stop38h 30m
ANA
Sun 10/110:35
SEA
-
BKK
2 stops28h 55m
ANA
Deal found 20/4฿23,550
Sun 14/623:30
BKK
-
SEA
1 stop29h 45m
Multiple Airlines
Tue 14/700:10
SEA
-
BKK
1 stop34h 55m
Multiple Airlines
Deal found 23/4฿23,680
Mon 1/621:35
BKK
-
SEA
1 stop30h 50m
ANA
Tue 1/907:06
SEA
-
BKK
2 stops25h 09m
ANA
Deal found 20/4฿23,906
Thu 10/909:35
BKK
-
SEA
1 stop18h 50m
United Airlines
Sat 12/908:38
SEA
-
BKK
2 stops34h 57m
United Airlines
Deal found 19/4฿24,003
Sun 14/602:35
BKK
-
SEA
1 stop26h 40m
Multiple Airlines
Mon 29/600:10
SEA
-
BKK
1 stop34h 55m
Multiple Airlines
Deal found 24/4฿24,230
Mon 15/606:40
DMK
-
SEA
2 stops23h 30m
Multiple Airlines
Mon 29/601:15
SEA
-
DMK
2 stops31h 25m
Multiple Airlines
Deal found 23/4฿34,823
Mon 1/616:35
DMK
-
SEA
2 stops32h 25m
Multiple Airlines
Mon 31/800:10
SEA
-
DMK
2 stops32h 30m
Multiple Airlines
Deal found 21/4฿34,952

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 25 April 2026.

Return from

฿19,274

One-way from

฿16,683

Popular in

July

Cheapest in

March

Average price

฿27,955
14/6-14/7
  • 14/6-14/7
  • 2 total stops
  • 61h 35m total
  • Bangkok to Seattle
Search Deals
30/5
  • 30/5
  • 2 total stops
  • 54h 45m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (฿3,963 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿634 potential savings vs. average return price).
Search Deals
Average for return flights in April 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 25 April 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

Fri 11/9

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Wed 21/10

08:40-23:55

2 stops25h 15m

฿28,182

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 15/6

15:45-01:29

2 stops23h 44m

Seattle/Tacoma Intl

Sun 10/1

15:45-11:25

2 stops28h 40m

฿28,409

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 10/6

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Sat 26/9

17:20-09:35

2 stops26h 15m

฿30,676

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 16/6

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Mon 19/10

08:40-23:55

2 stops25h 15m

฿30,676

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 14/6

21:40-14:50

2 stops31h 10m

Seattle/Tacoma Intl

Thu 15/10

12:35-23:35

1 stop21h 00m

฿31,778

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 3/6

23:30-15:15

1 stop29h 45m

Seattle/Tacoma Intl

Tue 9/6

00:10-23:35

1 stop33h 25m

฿33,365

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 22/9

07:00-18:29

2 stops25h 29m

Seattle/Tacoma Intl

Wed 23/9

19:35-09:35

2 stops24h 00m

฿34,045
Fastest return journey

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 8/5

11:45-15:15

1 stop17h 30m

Seattle/Tacoma Intl

Mon 25/5

00:10-10:40

1 stop20h 30m

฿35,276

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 4/8

11:45-15:45

1 stop18h 00m

Seattle/Tacoma Intl

Fri 11/9

00:10-23:20

1 stop33h 10m

฿37,738

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 11/6

21:40-14:50

2 stops31h 10m

Seattle/Tacoma Intl

Sat 27/6

21:20-23:35

2 stops36h 15m

฿37,997

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 40 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 19 hours 27 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 ฿25,762
เดลต้า
เดลต้า
From ฿27,089
Asiana Airlines
Asiana Airlines
From ฿21,717
China Airlines
China Airlines
From ฿23,817

What are the cheapest airlines that fly to Seattle?

The cheapest airlines flying from Bangkok to Seattle are Philippine Airlines, Asiana Airlines and China 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 25 April 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

Food

8.6

Crew

9.2

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Food

8.6

Crew

9.2

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
EVA Air
8.5
Very Good
1,426 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Food

8.6

Crew

9.2

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
Asiana Airlines
8.1
Very Good
521 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Food

8.6

Crew

9.2

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
เดลต้า
7.9
Good
8,456 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Food

8.6

Crew

9.2

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
Philippine Airlines
7.3
Good
993 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Food

8.6

Crew

9.2

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.

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 ฿2,864, while return flights cost around ฿4,107.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around ฿4,107, however they can be found for as little as ฿4,107.

  • 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 20 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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