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฿16,050+ Cheap flights to Seattle

— SEA
5 Dec — 12 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

Mon 21/1216:20 -
1 stop31h 00m
Tue 5/110:20 -
1 stop37h 00m
Deal found 31/10฿25,741
Mon 9/1116:20 -
1 stop31h 00m
Sat 2/110:20 -
1 stop22h 15m
Deal found 4/11฿25,774
Sun 22/1121:40 -
1 stop31h 30m
Sun 29/1111:00 -
1 stop22h 20m
Deal found 1/11฿26,514
Mon 2/1116:20 -
1 stop31h 00m
Tue 1/1210:20 -
1 stop37h 00m
Deal found 31/10฿26,851
Sun 8/1101:05 -
1 stop28h 05m
Sun 29/1111:00 -
1 stop22h 20m
Deal found 4/11฿26,952
Tue 24/1121:40 -
1 stop26h 25m
Fri 4/1211:00 -
1 stop35h 25m
Deal found 1/11฿27,053
Sun 1/1117:50 -
1 stop15h 20m
Sun 29/1100:10 -
1 stop25h 35m
Deal found 31/10฿27,221
Fri 27/1116:20 -
1 stop31h 00m
Tue 1/1210:20 -
1 stop22h 15m
Deal found 1/11฿27,423
Mon 14/1216:20 -
1 stop31h 00m
Thu 31/1210:05 -
2 stops41h 20m
Deal found 1/11฿27,524
Sun 8/1107:10 -
2 stops31h 08m
Thu 12/1115:40 -
1 stop22h 30m
Deal found 4/11฿27,961
Sun 22/1101:05 -
1 stop25h 46m
Fri 4/1212:35 -
1 stop33h 50m
Deal found 1/11฿28,096
Mon 9/1123:15 -
1 stop27h 36m
Wed 9/1212:35 -
1 stop33h 50m
Deal found 3/11฿28,129

Find flight deals to Seattle

Return from

฿25,741

One-way from

฿16,050

Popular in

August

Cheapest in

March

Average price

฿29,509
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 18/12-9/1
  • 2 total stops
  • 59h 15m total
  • Bangkok to Seattle
Search Deals
Korean Air
  • Korean Air
  • 9/11-31/12
  • 1 total stop
  • 23h 00m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿1,819 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿361 potential savings vs. average return price).
Search Deals
Average for return flights in November 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
Fastest return journey

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Fri 25/12

23:15-11:56

1 stop27h 41m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,454

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 21/11

19:50-18:45

1 stop37h 55m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,463

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 24/2

21:40-15:15

2 stops32h 35m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,463

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 17/11

23:15-20:09

2 stops35h 54m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,463

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sat 13/2

01:05-16:38

2 stops30h 33m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,463

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 10/12

21:40-17:15

2 stops34h 35m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,463

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

฿17,463

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 12/11

01:05-20:09

2 stops34h 04m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,497

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 19/11

01:05-15:10

2 stops29h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,530

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 12/11

21:40-11:51

1 stop29h 11m

Seattle/Tacoma Intl

Fri 4/12

12:35-13:25

1 stop33h 50m

฿28,129

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 16 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 20 hours 30 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 ฿26,759
Asiana Airlines
Asiana Airlines
From ฿22,558
Philippine Airlines
Philippine Airlines
From ฿21,744
China Airlines
China Airlines
From ฿22,464

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 77 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

Comfort

8.8

Crew

9.1

Food

8.6

Entertainment

8.6

Boarding

8.8

Overall

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
8.8
Very Good
STARLUX Airlines
8.8
Very Good
Check prices

Comfort

8.8

Crew

9.1

Food

8.6

Entertainment

8.6

Boarding

8.8

Overall

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
1,553 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Comfort

8.8

Crew

9.1

Food

8.6

Entertainment

8.6

Boarding

8.8

Overall

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
856 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Comfort

8.8

Crew

9.1

Food

8.6

Entertainment

8.6

Boarding

8.8

Overall

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
570 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Comfort

8.8

Crew

9.1

Food

8.6

Entertainment

8.6

Boarding

8.8

Overall

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
1,040 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Comfort

8.8

Crew

9.1

Food

8.6

Entertainment

8.6

Boarding

8.8

Overall

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, 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 ฿5,894, while return flights cost around ฿6,892.

  • 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 30 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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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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