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฿16,482+ Cheap flights to Seattle

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
19 Jun — 26 Jun1
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 20 May 2026.

Thu 18/621:40
BKK
-
SEA
1 stop31h 35m
Multiple Airlines
Tue 30/600:10
SEA
-
BKK
1 stop34h 55m
Multiple Airlines
Deal found 17/5฿16,482
Wed 24/621:40
BKK
-
SEA
1 stop31h 35m
Multiple Airlines
Mon 29/600:10
SEA
-
BKK
1 stop23h 25m
Multiple Airlines
Deal found 17/5฿16,939
Fri 5/609:50
BKK
-
SEA
1 stop19h 25m
Multiple Airlines
Fri 4/900:10
SEA
-
BKK
1 stop33h 25m
Multiple Airlines
Deal found 15/5฿17,461
Sun 31/502:35
BKK
-
SEA
1 stop26h 40m
Multiple Airlines
Mon 31/800:10
SEA
-
BKK
1 stop33h 25m
Multiple Airlines
Deal found 18/5฿19,485
Sun 31/502:35
BKK
-
SEA
1 stop26h 40m
Multiple Airlines
Tue 15/900:10
SEA
-
BKK
1 stop34h 55m
Multiple Airlines
Deal found 17/5฿20,398
Wed 17/621:40
BKK
-
SEA
1 stop31h 35m
Multiple Airlines
Mon 29/600:10
SEA
-
BKK
1 stop33h 25m
Multiple Airlines
Deal found 18/5฿21,802
Mon 29/609:50
BKK
-
SEA
1 stop19h 25m
Multiple Airlines
Sun 5/700:10
SEA
-
BKK
1 stop23h 25m
Multiple Airlines
Deal found 15/5฿24,511
Mon 1/621:40
BKK
-
SEA
1 stop31h 35m
Multiple Airlines
Sun 2/800:10
SEA
-
BKK
1 stop33h 25m
Multiple Airlines
Deal found 19/5฿24,609
Mon 8/623:30
BKK
-
SEA
1 stop29h 45m
Multiple Airlines
Mon 15/600:10
SEA
-
BKK
1 stop34h 55m
Multiple Airlines
Deal found 18/5฿24,902
Tue 16/613:40
DMK
-
SEA
2 stops19h 35m
Multiple Airlines
Mon 22/601:15
SEA
-
DMK
2 stops31h 50m
Multiple Airlines
Deal found 19/5฿40,177
Thu 18/607:45
DMK
-
SEA
2 stops22h 25m
Multiple Airlines
Tue 30/601:15
SEA
-
DMK
2 stops31h 10m
Multiple Airlines
Deal found 17/5฿42,298
Sat 23/509:20
DMK
-
SEA
2 stops24h 10m
Multiple Airlines
Sun 24/501:50
SEA
-
DMK
2 stops24h 15m
Multiple Airlines
Deal found 19/5฿42,363

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 20 May 2026.

Return from

฿16,482

One-way from

฿16,874

Popular in

July

Cheapest in

March

Average price

฿28,917
18/6-30/6
  • 18/6-30/6
  • 2 total stops
  • 66h 30m total
  • Bangkok to Seattle
Search Deals
China Airlines
  • China Airlines
  • 7/6
  • 1 total stop
  • 22h 25m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (฿3,720 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿559 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 20 May 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 - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 1/6

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Wed 16/9

15:30-09:35

2 stops28h 05m

฿27,089

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 5/6

09:35-01:29

2 stops29h 54m

Seattle/Tacoma Intl

Sat 5/9

16:30-04:35

1 stop22h 05m

฿27,154
Fastest return journey

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 13/6

02:35-13:25

1 stop24h 50m

Seattle/Tacoma Intl

Fri 4/9

13:00-21:45

1 stop18h 45m

฿27,252

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 13/6

15:45-01:13

2 stops23h 28m

Seattle/Tacoma Intl

Fri 4/9

16:30-04:35

1 stop22h 05m

฿27,611

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 7/10

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Sat 17/10

17:20-09:35

2 stops26h 15m

฿27,644

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 14/6

15:45-14:30

2 stops36h 45m

Seattle/Tacoma Intl

Sat 5/9

15:30-09:35

3 stops28h 05m

฿28,199

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 9/11

23:55-13:55

1 stop29h 00m

Seattle/Tacoma Intl

Thu 12/11

00:10-22:00

1 stop30h 50m

฿28,590

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 28/6

01:20-15:15

1 stop27h 55m

Seattle/Tacoma Intl

Thu 6/8

00:10-23:20

1 stop33h 10m

฿28,623

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 26/6

07:00-19:38

2 stops50h 38m

Seattle/Tacoma Intl

Mon 13/7

07:00-09:35

2 stops36h 35m

฿28,623

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Sun 27/9

23:50-13:25

1 stop27h 35m

Seattle/Tacoma Intl

Sat 14/11

16:05-10:00

1 stop26h 55m

฿51,730

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 38 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 19 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 Asiana Airlines, EVA Air and Philippine Airlines.

Asiana Airlines
Asiana Airlines
From ฿21,881
EVA Air
EVA Air
From ฿25,956
Philippine Airlines
Philippine Airlines
From ฿21,058
เดลต้า
เดลต้า
From ฿29,844

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 68 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 20 May 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
8.9
Very Good
Check prices

Food

8.7

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

9.0

Crew

9.2

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Food

8.7

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

9.0

Crew

9.2

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
EVA Air
8.5
Very Good
1,457 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Food

8.7

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

9.0

Crew

9.2

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
Asiana Airlines
8.1
Very Good
534 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Food

8.7

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

9.0

Crew

9.2

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
เดลต้า
7.9
Good
8,452 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Food

8.7

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

9.0

Crew

9.2

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
Philippine Airlines
7.3
Good
998 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Food

8.7

Entertainment

8.8

Overall

8.9

Comfort

8.9

Boarding

9.0

Crew

9.2

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

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 ฿2,885, while return flights cost around ฿4,138.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around ฿4,138, however they can be found for as little as ฿4,138.

  • 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 55 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, 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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