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฿15,748+ Cheap flights to Seattle

— SEA
24 Sep — 1 Oct1
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

Sun 20/1223:15 -
1 stop24h 45m
Mon 4/111:00 -
1 stop19h 30m
Deal found 23/8฿25,026
Tue 20/1011:45 -
1 stop17h 30m
Tue 27/1000:10 -
1 stop21h 05m
Deal found 21/8฿25,288
Sun 4/1011:45 -
1 stop17h 30m
Tue 6/1000:10 -
1 stop33h 25m
Deal found 25/8฿25,418
Sun 18/1021:40 -
1 stop27h 00m
Thu 22/1012:50 -
1 stop18h 55m
Deal found 23/8฿25,516
Sat 19/902:35 -
1 stop22h 05m
Wed 23/912:50 -
1 stop18h 55m
Deal found 23/8฿25,549
Fri 16/1011:45 -
1 stop17h 30m
Fri 30/1000:10 -
1 stop21h 05m
Deal found 20/8฿25,582
Sat 26/901:35 -
1 stop27h 40m
Mon 8/300:10 -
1 stop30h 50m
Deal found 21/8฿25,614
Sun 4/1011:45 -
1 stop17h 30m
Sat 20/300:10 -
1 stop21h 05m
Deal found 23/8฿25,647
Tue 8/909:50 -
1 stop38h 50m
Fri 11/912:50 -
1 stop20h 45m
Deal found 25/8฿25,745
Tue 20/1021:40 -
1 stop27h 00m
Tue 10/1111:00 -
1 stop21h 20m
Deal found 21/8฿25,810
Sat 12/1223:55 -
1 stop29h 00m
Sun 27/1200:10 -
1 stop30h 50m
Deal found 20/8฿25,876
Sat 26/903:00 -
1 stop27h 10m
Wed 30/923:10 -
2 stops33h 55m
Deal found 23/8฿34,076

Find flight deals to Seattle

Return from

฿25,026

One-way from

฿15,748

Popular in

August

Cheapest in

March

Average price

฿32,835
Korean Air
  • Korean Air
  • 20/12-4/1
  • 2 total stops
  • 44h 15m total
  • Bangkok to Seattle
Search Deals
Korean Air
  • Korean Air
  • 19/9
  • 1 total stop
  • 27h 00m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿2,343 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿390 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
Search Deals

Cheapflights Fare Finder

 
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 Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sun 31/1

21:30-09:00

1 stop26h 30m

Seattle/Tacoma Intl

Fri 5/3

11:00-23:20

1 stop21h 20m

฿26,235

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 14/9

02:40-19:45

1 stop31h 05m

Seattle/Tacoma Intl

Tue 15/9

01:15-12:10

1 stop20h 55m

฿26,300
Fastest return journey

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 6/10

02:35-10:40

1 stop22h 05m

Seattle/Tacoma Intl

Sat 17/10

12:50-21:45

1 stop18h 55m

฿26,333

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 14/9

02:35-10:40

1 stop22h 05m

Seattle/Tacoma Intl

Wed 16/9

12:50-13:35

1 stop34h 45m

฿26,594

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 12/10

23:30-13:14

1 stop27h 44m

Seattle/Tacoma Intl

Mon 9/11

12:35-23:20

1 stop19h 45m

฿26,627

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 13/1

09:10-11:33

2 stops41h 23m

Seattle/Tacoma Intl

Mon 8/2

15:45-05:10

1 stop22h 25m

฿27,477

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 6/2

07:10-14:18

2 stops22h 08m

Seattle/Tacoma Intl

Mon 1/3

15:45-05:10

1 stop22h 25m

฿28,032

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 1/2

07:10-14:18

2 stops22h 08m

Seattle/Tacoma Intl

Mon 1/3

15:45-05:10

1 stop22h 25m

฿28,032

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Fri 30/10

07:10-19:37

2 stops26h 27m

Seattle/Tacoma Intl

Sat 31/10

13:16-11:30

3 stops32h 14m

฿28,195

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sun 20/9

09:35-11:24

2 stops39h 49m

Seattle/Tacoma Intl

Wed 23/9

15:30-09:35

3 stops28h 05m

฿28,359

Flights are sorted by cheapest return flights first.

Deals found on 24/8

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

Cheapflights Insights

Everything you need to know about your flight to Seattle

How long is the flight to Seattle?

On average, a flight from Bangkok to Seattle takes 19 hours 0 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 เดลต้า.

EVA Air
EVA Air
From ฿25,983
Asiana Airlines
Asiana Airlines
From ฿21,904
เดลต้า
เดลต้า
From ฿26,774
China Airlines
China Airlines
From ฿21,812

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

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

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).

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 82 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.

Reviews of airlines servicing Seattle

Get a feel of what it's like to fly with STARLUX Airlines,EVA Air, andChina 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
8.7
Very Good
Check prices

Overall

8.7

Food

8.5

Comfort

8.8

Crew

9.1

Boarding

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
STARLUX Airlines
8.7
Very Good
STARLUX Airlines
8.7
Very Good
Check prices

Overall

8.7

Food

8.5

Comfort

8.8

Crew

9.1

Boarding

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
EVA Air
8.5
Very Good
1,522 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Overall

8.7

Food

8.5

Comfort

8.8

Crew

9.1

Boarding

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
China Airlines
8.3
Very Good
843 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Overall

8.7

Food

8.5

Comfort

8.8

Crew

9.1

Boarding

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
Asiana Airlines
8.1
Very Good
558 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Overall

8.7

Food

8.5

Comfort

8.8

Crew

9.1

Boarding

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
เดลต้า
7.8
Good
8,529 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Overall

8.7

Food

8.5

Comfort

8.8

Crew

9.1

Boarding

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.

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 ฿7,625, while return flights cost around ฿3,578.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around ฿4,668, however they can be found for as little as ฿3,578.

  • 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. Serene 3-bedroom house perfect for relaxing stays in SeaTac, Burien, Seattle is the closest property to Seattle/Tacoma Intl (0.0 km away from Seattle/Tacoma Intl).

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets to Seattle?

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Can Cheapflights find flights to Seattle with no change fees?

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.

Can Cheapflights notify me if prices for flights to Seattle become cheaper?

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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