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฿16,120+ Cheap flights to Seattle

— SEA
29 Nov — 6 Dec1
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

Fri 11/1201:05 -
1 stop22h 15m
Sat 2/110:20 -
1 stop22h 15m
Deal found 26/10฿25,765
Sat 7/1101:05 -
1 stop28h 05m
Tue 24/1111:00 -
1 stop21h 05m
Deal found 27/10฿26,203
Sat 7/1123:15 -
1 stop24h 50m
Mon 23/1111:00 -
1 stop22h 20m
Deal found 25/10฿26,675
Mon 23/1116:20 -
1 stop31h 00m
Tue 12/110:20 -
1 stop22h 15m
Deal found 30/10฿26,912
Sat 21/1101:05 -
1 stop28h 05m
Sun 29/1111:00 -
1 stop22h 20m
Deal found 29/10฿27,046
Sat 21/1110:55 -
1 stop22h 15m
Tue 1/1200:10 -
1 stop21h 55m
Deal found 28/10฿27,249
Sun 8/1109:10 -
1 stop19h 10m
Tue 24/1112:20 -
2 stops32h 10m
Deal found 27/10฿27,316
Sat 31/1017:50 -
1 stop15h 20m
Sun 1/1100:10 -
1 stop18h 40m
Deal found 26/10฿27,485
Mon 30/1102:35 -
1 stop30h 35m
Sun 27/1200:10 -
1 stop21h 55m
Deal found 28/10฿27,552

Find flight deals to Seattle

Return from

฿25,765

One-way from

฿16,120

Popular in

August

Cheapest in

March

Average price

฿30,318
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 11/12-2/1
  • 2 total stops
  • 44h 30m total
  • Bangkok to Seattle
Search Deals
China Airlines
  • China Airlines
  • 19/4-31/12
  • 1 total stop
  • 22h 25m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (฿1,570 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿339 potential savings vs. average return price).
Search Deals
Average for return flights in October 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

Mon 19/4

10:50-19:15

1 stop22h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,120

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 1/12

10:55-18:10

1 stop22h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,120

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 12/4

17:30-19:15

1 stop15h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,154
Fastest return journey

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 17/12

17:50-18:10

1 stop15h 20m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,154

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 18/11

23:15-20:09

2 stops35h 54m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,503

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 16/11

01:05-16:30

2 stops30h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,503

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 5/12

01:05-15:11

2 stops29h 06m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,503

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 19/1

09:50-20:24

2 stops25h 34m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,503

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Fri 11/12

01:05-17:15

2 stops31h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,503

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 3/12

23:15-15:11

2 stops30h 56m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,503

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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 22 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 Philippine Airlines.

EVA Air
EVA Air
From ฿26,820
Asiana Airlines
Asiana Airlines
From ฿22,609
Philippine Airlines
Philippine Airlines
From ฿21,793
China Airlines
China Airlines
From ฿22,514

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 78 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
8.8
Very Good
Check prices

Boarding

8.8

Overall

8.8

Food

8.6

Entertainment

8.7

Comfort

8.8

Crew

9.1

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
8.8
Very Good
STARLUX Airlines
8.8
Very Good
Check prices

Boarding

8.8

Overall

8.8

Food

8.6

Entertainment

8.7

Comfort

8.8

Crew

9.1

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
1,552 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Boarding

8.8

Overall

8.8

Food

8.6

Entertainment

8.7

Comfort

8.8

Crew

9.1

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
854 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Boarding

8.8

Overall

8.8

Food

8.6

Entertainment

8.7

Comfort

8.8

Crew

9.1

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
569 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Boarding

8.8

Overall

8.8

Food

8.6

Entertainment

8.7

Comfort

8.8

Crew

9.1

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
1,038 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Boarding

8.8

Overall

8.8

Food

8.6

Entertainment

8.7

Comfort

8.8

Crew

9.1

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, STARLUX 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 ฿5,908, while return flights cost around ฿6,908.

  • 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 (20 hours 10 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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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.

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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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