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฿15,746+ Cheap flights to Seattle

— SEA
7 Oct — 14 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

Thu 10/902:35 -
1 stop22h 05m
Fri 18/912:50 -
1 stop20h 45m
Deal found 6/9฿24,654
Sun 1/1123:55 -
1 stop29h 00m
Tue 3/1100:10 -
1 stop19h 55m
Deal found 3/9฿25,345
Thu 15/1001:35 -
1 stop27h 40m
Fri 23/1000:10 -
1 stop21h 05m
Deal found 7/9฿25,476
Sun 18/1001:35 -
1 stop27h 40m
Sun 25/1000:10 -
1 stop20h 55m
Deal found 3/9฿25,673
Wed 21/1009:50 -
1 stop38h 50m
Wed 28/1012:00 -
1 stop19h 30m
Deal found 6/9฿25,772
Thu 22/1009:50 -
1 stop38h 50m
Wed 28/1012:00 -
1 stop21h 05m
Deal found 4/9฿25,903
Sat 5/902:35 -
1 stop25h 02m
Sat 19/913:00 -
1 stop22h 05m
Deal found 3/9฿26,199
Tue 20/1009:50 -
1 stop38h 50m
Wed 28/1012:00 -
1 stop21h 05m
Deal found 4/9฿26,298
Sat 17/1002:35 -
1 stop24h 39m
Sun 15/1112:30 -
1 stop20h 50m
Deal found 5/9฿26,331
Mon 14/921:40 -
1 stop27h 00m
Tue 13/1012:50 -
1 stop22h 15m
Deal found 3/9฿26,364
Mon 12/1002:35 -
1 stop22h 05m
Tue 27/1012:00 -
1 stop19h 30m
Deal found 6/9฿26,429
Tue 15/909:55 -
2 stops23h 05m
Sat 19/901:30 -
2 stops31h 10m
Deal found 6/9฿32,971

Find flight deals to Seattle

Return from

฿25,345

One-way from

฿15,746

Popular in

August

Cheapest in

March

Average price

฿27,810
Asiana Airlines
  • Asiana Airlines
  • 1/11-3/11
  • 2 total stops
  • 48h 55m total
  • Bangkok to Seattle
Search Deals
เดลต้า
  • เดลต้า
  • 18/9-31/12
  • 1 total stop
  • 29h 57m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿1,673 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿395 potential savings vs. average return price).
Search Deals
Average for return flights in September 2026
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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

Tue 22/9

09:50-10:40

1 stop38h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿15,746

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 7/12

01:05-11:56

1 stop25h 51m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿15,746

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 29/9

17:30-19:15

1 stop15h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿15,844
Fastest return journey

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 31/10

17:50-19:10

1 stop15h 20m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿15,910

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 15/10

23:30-21:58

2 stops36h 28m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,455

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 5/12

00:55-22:09

2 stops36h 14m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,488

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 1/10

02:35-21:54

2 stops33h 19m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,488

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 21/9

02:35-23:14

2 stops34h 39m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,620

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 16/9

02:35-16:30

2 stops27h 55m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,620

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 29/10

01:05-09:19

2 stops46h 14m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,652

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 37 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 18 hours 13 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 China Airlines.

EVA Air
EVA Air
From ฿26,143
Asiana Airlines
Asiana Airlines
From ฿22,039
China Airlines
China Airlines
From ฿21,946
Philippine Airlines
Philippine Airlines
From ฿21,106

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 81 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

Entertainment

8.7

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

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

Entertainment

8.7

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

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

Entertainment

8.7

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

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
844 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Entertainment

8.7

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

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
560 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Entertainment

8.7

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

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.
Philippine Airlines
7.3
Good
1,025 reviews
STARLUX Airlines
8.7
Very Good
Check prices

Entertainment

8.7

Boarding

8.8

Overall

8.7

Food

8.5

Crew

9.1

Comfort

8.8

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 ฿7,672, while return flights cost around ฿3,600.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around ฿4,697, however they can be found for as little as ฿3,600.

  • 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 47 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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