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฿15,987+ Cheap flights to Seattle

— SEA
9 Dec — 16 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

Thu 12/1109:50 -
1 stop38h 15m
Fri 27/1111:00 -
1 stop19h 30m
Deal found 9/11฿26,276
Sat 7/1123:15 -
1 stop29h 55m
Mon 23/1111:00 -
1 stop19h 30m
Deal found 5/11฿26,577
Mon 16/1123:15 -
1 stop29h 55m
Mon 23/1111:00 -
1 stop19h 30m
Deal found 5/11฿26,845
Sun 8/1107:10 -
2 stops31h 08m
Thu 12/1115:40 -
1 stop22h 30m
Deal found 4/11฿27,851
Tue 22/1214:05 -
1 stop19h 05m
Mon 28/1200:10 -
1 stop18h 40m
Deal found 7/11฿28,219
Thu 12/1116:55 -
1 stop33h 19m
Fri 27/1106:00 -
2 stops27h 20m
Deal found 9/11฿28,253
Mon 16/1122:25 -
1 stop29h 55m
Mon 23/1110:10 -
2 stops29h 20m
Deal found 5/11฿28,387
Fri 6/1100:10 -
1 stop28h 10m
Mon 23/1110:10 -
2 stops28h 00m
Deal found 5/11฿28,420
Thu 24/1217:40 -
1 stop36h 25m
Thu 31/1223:45 -
1 stop22h 10m
Deal found 9/11฿28,622
Mon 23/1102:35 -
1 stop30h 35m
Sun 29/1100:10 -
1 stop18h 40m
Deal found 7/11฿28,689

Find flight deals to Seattle

Return from

฿26,376

One-way from

฿15,987

Popular in

August

Cheapest in

March

Average price

฿29,392
Singapore Airlines
  • Singapore Airlines
  • 2/3-23/3
  • 2 total stops
  • 62h 55m total
  • Bangkok to Seattle
Search Deals
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 16/12-31/12
  • 2 total stops
  • 27h 35m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿1,826 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿361 potential savings vs. average return price).
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Average for return flights in November 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
Fastest return journey

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Fri 5/3

01:05-09:05

1 stop23h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,456

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 19/4

23:30-10:40

1 stop25h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,456

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Mon 26/4

23:30-10:40

1 stop25h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,489

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Thu 25/3

23:15-10:05

1 stop24h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,523

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Fri 26/3

01:05-10:05

1 stop23h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿16,523

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 18/11

01:05-22:04

2 stops35h 59m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,428

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

฿17,428

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

฿17,428

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Wed 18/11

21:40-22:04

2 stops39h 24m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,461

BangkokSeattle

BKK Bangkok Suvarnabhumi - SEA Seattle/Tacoma Intl

BKKSEA

Bangkok Suvarnabhumi

Sun 7/3

21:40-19:05

2 stops36h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,528

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 22 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 23 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 ฿26,654
Asiana Airlines
Asiana Airlines
From ฿22,469
Philippine Airlines
Philippine Airlines
From ฿21,658
China Airlines
China Airlines
From ฿22,375

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 76 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 EVA Air,China Airlines, 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.
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Food

8.1

Boarding

8.4

Crew

8.7

Comfort

8.3

Overall

8.5

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking
EVA Air
8.5
Very Good
1,552 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Food

8.1

Boarding

8.4

Crew

8.7

Comfort

8.3

Overall

8.5

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking
China Airlines
8.3
Very Good
856 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Food

8.1

Boarding

8.4

Crew

8.7

Comfort

8.3

Overall

8.5

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking
Asiana Airlines
8.1
Very Good
570 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Food

8.1

Boarding

8.4

Crew

8.7

Comfort

8.3

Overall

8.5

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking
Philippine Airlines
7.3
Good
1,040 reviews
EVA Air
8.5
Very Good
1,552 reviews
Check prices

Food

8.1

Boarding

8.4

Crew

8.7

Comfort

8.3

Overall

8.5

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

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, EVA Air 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 ฿5,871, while return flights cost around ฿6,865.

  • 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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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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