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฿16,272+ 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 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
5 Sep — 12 Sep1
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 6 August 2026.

Fri 2/1000:25 -
1 stop22h 35m
Tue 3/1110:20 -
1 stop22h 05m
Deal found 3/8฿25,220
Tue 20/1011:45 -
1 stop17h 30m
Tue 27/1000:10 -
1 stop21h 05m
Deal found 1/8฿25,452
Sun 6/1212:20 -
1 stop16h 35m
Thu 25/300:10 -
1 stop21h 05m
Deal found 1/8฿25,684
Mon 31/813:20 -
1 stop20h 25m
Sat 12/901:55 -
1 stop33h 30m
Deal found 4/8฿25,883
Sun 20/911:45 -
1 stop17h 30m
Thu 24/900:10 -
1 stop20h 30m
Deal found 2/8฿25,916
Thu 22/1013:20 -
1 stop19h 55m
Thu 5/1100:10 -
1 stop34h 25m
Deal found 5/8฿25,982
Thu 3/913:10 -
1 stop17h 00m
Tue 15/901:15 -
1 stop20h 45m
Deal found 3/8฿26,082
Mon 31/813:10 -
1 stop17h 25m
Sat 12/901:15 -
1 stop20h 45m
Deal found 3/8฿26,181
Wed 9/902:35 -
1 stop22h 05m
Wed 30/912:50 -
1 stop34h 45m
Deal found 4/8฿26,280
Mon 19/1011:45 -
1 stop17h 30m
Thu 19/1100:10 -
1 stop20h 05m
Deal found 1/8฿26,380
Thu 20/807:30 -
2 stops26h 20m
Wed 2/901:30 -
2 stops31h 35m
Deal found 3/8฿32,047
Thu 3/918:25 -
2 stops34h 50m
Tue 15/900:10 -
2 stops32h 30m
Deal found 3/8฿32,544

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 6 August 2026.

Return from

฿25,220

One-way from

฿16,272

Popular in

August

Cheapest in

March

Average price

฿33,306
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 2/10-3/11
  • 2 total stops
  • 44h 40m total
  • Bangkok to Seattle
Search Deals
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 23/12
  • 2 total stops
  • 27h 55m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (฿2,662 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿424 potential savings vs. average return price).
Search Deals
Average for return flights in August 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 6 August 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 Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 1/12

14:05-18:10

1 stop19h 05m

Seattle/Tacoma Intl

Sun 27/12

00:10-01:35

1 stop34h 25m

฿27,076

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 23/9

23:30-10:40

1 stop25h 10m

Seattle/Tacoma Intl

Sat 26/9

12:50-13:35

1 stop34h 45m

฿27,076

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Tue 1/12

12:20-13:55

1 stop16h 35m

Seattle/Tacoma Intl

Sun 27/12

00:10-22:00

1 stop30h 50m

฿27,175

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 9/9

01:35-15:15

1 stop27h 40m

Seattle/Tacoma Intl

Thu 10/9

00:10-23:35

1 stop33h 25m

฿27,175

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 10/9

09:35-18:29

2 stops46h 54m

Seattle/Tacoma Intl

Wed 30/9

16:30-04:35

1 stop22h 05m

฿27,573
Fastest return journey

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 7/10

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Sat 17/10

19:25-09:35

2 stops24h 10m

฿27,672

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sun 13/9

07:00-21:57

2 stops28h 57m

Seattle/Tacoma Intl

Fri 18/9

18:52-09:35

2 stops24h 43m

฿28,401

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 23/9

15:45-15:50

2 stops38h 05m

Seattle/Tacoma Intl

Sat 26/9

16:30-09:35

2 stops27h 05m

฿28,666

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 21/10

02:35-10:40

1 stop22h 05m

Seattle/Tacoma Intl

Fri 6/11

21:35-00:45

2 stops36h 10m

฿30,423

BangkokSeattle

DMK Bangkok Don Mueang Intl - SEA Seattle/Tacoma Intl

DMKSEA

Bangkok Don Mueang Intl

Tue 1/9

06:00-19:40

3 stops27h 40m

Seattle/Tacoma Intl

Mon 7/9

01:55-23:05

2 stops31h 10m

฿42,486

Flights are sorted by cheapest return flights first.

Deals found on 4/8

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

How long is the flight to Seattle?

On average, a flight from Bangkok to Seattle takes 22 hours 2 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 ฿26,356
Asiana Airlines
Asiana Airlines
From ฿22,218
Philippine Airlines
Philippine Airlines
From ฿21,383
เดลต้า
เดลต้า
From ฿30,304

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

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).

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 83 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 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 6 August 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
8.8
Very Good
Check prices

Entertainment

8.7

Overall

8.8

Crew

9.1

Boarding

8.9

Food

8.6

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
8.8
Very Good
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.7

Overall

8.8

Crew

9.1

Boarding

8.9

Food

8.6

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
1,512 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.7

Overall

8.8

Crew

9.1

Boarding

8.9

Food

8.6

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
553 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.7

Overall

8.8

Crew

9.1

Boarding

8.9

Food

8.6

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.
เดลต้า
7.8
Good
8,491 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.7

Overall

8.8

Crew

9.1

Boarding

8.9

Food

8.6

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
1,013 reviews
STARLUX Airlines
8.8
Very Good
Check prices

Entertainment

8.7

Overall

8.8

Crew

9.1

Boarding

8.9

Food

8.6

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 ฿7,735, while return flights cost around ฿4,202.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around ฿4,202, however they can be found for as little as ฿4,202.

  • 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 35 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.

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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