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฿16,872+ 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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
6 Jul — 13 Jul1
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 June 2026.

Wed 21/1001:35
BKK
-
SEA
1 stop27h 40m
Asiana Airlines
Thu 5/1100:10
SEA
-
BKK
1 stop30h 50m
Asiana Airlines
Deal found 5/6฿25,831
Wed 7/1001:35
BKK
-
SEA
1 stop27h 40m
Asiana Airlines
Mon 19/1000:10
SEA
-
BKK
1 stop20h 30m
Asiana Airlines
Deal found 5/6฿25,897
Thu 18/609:35
BKK
-
SEA
2 stops43h 01m
United Airlines
Wed 9/916:30
SEA
-
BKK
1 stop22h 05m
United Airlines
Deal found 3/6฿26,256
Fri 19/613:55
BKK
-
SEA
1 stop38h 30m
ANA
Thu 9/708:45
SEA
-
BKK
2 stops23h 30m
ANA
Deal found 3/6฿26,289
Mon 15/609:35
BKK
-
SEA
2 stops26h 33m
United Airlines
Tue 30/616:30
SEA
-
BKK
1 stop22h 05m
United Airlines
Deal found 3/6฿26,354
Fri 5/607:00
BKK
-
SEA
2 stops26h 03m
United Airlines
Sat 5/916:30
SEA
-
BKK
1 stop22h 05m
United Airlines
Deal found 2/6฿26,387
Mon 15/609:35
BKK
-
SEA
2 stops22h 55m
ANA
Sun 10/115:45
SEA
-
BKK
1 stop33h 35m
ANA
Deal found 4/6฿26,452
Tue 6/1009:35
BKK
-
SEA
2 stops25h 09m
United Airlines
Thu 15/1016:30
SEA
-
BKK
1 stop22h 05m
United Airlines
Deal found 4/6฿26,518
Thu 17/909:35
BKK
-
SEA
2 stops38h 24m
United Airlines
Mon 21/916:30
SEA
-
BKK
1 stop22h 05m
United Airlines
Deal found 5/6฿26,583
Wed 1/706:40
DMK
-
SEA
2 stops27h 10m
Multiple Airlines
Tue 7/702:10
SEA
-
DMK
2 stops30h 30m
Multiple Airlines
Deal found 3/6฿33,842
Wed 10/609:55
DMK
-
SEA
2 stops23h 45m
Multiple Airlines
Tue 16/600:50
SEA
-
DMK
2 stops31h 50m
Multiple Airlines
Deal found 4/6฿34,071
Tue 23/609:55
DMK
-
SEA
2 stops23h 20m
Multiple Airlines
Mon 29/601:15
SEA
-
DMK
2 stops22h 55m
Multiple Airlines
Deal found 2/6฿39,466

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 June 2026.

Return from

฿25,831

One-way from

฿16,872

Popular in

July

Cheapest in

March

Average price

฿29,428
Asiana Airlines
  • Asiana Airlines
  • 21/10-5/11
  • 2 total stops
  • 58h 30m total
  • Bangkok to Seattle
Search Deals
Qatar Airways
  • Qatar Airways
  • 19/7
  • 1 total stop
  • 41h 10m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (฿3,806 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿550 potential savings vs. average return price).
Search Deals
Average for return flights in June 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 June 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

Thu 17/9

09:35-09:59

2 stops38h 24m

Seattle/Tacoma Intl

Mon 21/9

16:30-04:35

1 stop22h 05m

฿26,583
Fastest return journey

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 4/10

02:35-10:40

1 stop22h 05m

Seattle/Tacoma Intl

Tue 20/10

12:50-21:45

1 stop18h 55m

฿26,747

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 7/10

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Sat 17/10

15:29-09:35

2 stops28h 06m

฿26,747

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 3/10

07:00-20:44

2 stops27h 44m

Seattle/Tacoma Intl

Mon 22/2

15:45-05:10

1 stop22h 25m

฿26,779

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 25/10

00:55-10:00

1 stop23h 05m

Seattle/Tacoma Intl

Fri 19/2

11:00-23:20

1 stop21h 20m

฿26,845

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 23/6

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Tue 14/7

15:33-09:35

3 stops28h 02m

฿27,139

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 7/10

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Thu 22/10

07:11-23:55

2 stops26h 44m

฿27,204

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 17/7

07:00-19:38

2 stops50h 38m

Seattle/Tacoma Intl

Sun 26/7

06:00-09:35

2 stops37h 35m

฿27,499

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 3/10

07:00-21:01

2 stops28h 01m

Seattle/Tacoma Intl

Sun 4/10

07:11-09:35

2 stops36h 24m

฿27,597

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 22/6

02:40-19:15

1 stop30h 35m

Seattle/Tacoma Intl

Mon 29/6

01:15-01:25

1 stop34h 10m

฿28,905

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 42 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 20 hours 5 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 ฿21,921
EVA Air
EVA Air
From ฿26,004
Philippine Airlines
Philippine Airlines
From ฿21,097
เดลต้า
เดลต้า
From ฿29,899

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 67 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 June 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

Boarding

8.9

Crew

9.1

Food

8.6

Overall

8.9

Comfort

8.9

Entertainment

8.8

Reviews

1 / 13
10.0
Excellent

Anonymous,Jun 2026

LAX - TPE

New flight, very nice inflight service, very nice seat and comfortable seat
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Crew

9.1

Food

8.6

Overall

8.9

Comfort

8.9

Entertainment

8.8

Reviews

1 / 13
10.0
Excellent

Anonymous,Jun 2026

LAX - TPE

New flight, very nice inflight service, very nice seat and comfortable seat
EVA Air
8.5
Very Good
1,464 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Crew

9.1

Food

8.6

Overall

8.9

Comfort

8.9

Entertainment

8.8

Reviews

1 / 13
10.0
Excellent

Anonymous,Jun 2026

LAX - TPE

New flight, very nice inflight service, very nice seat and comfortable seat
Asiana Airlines
8.1
Very Good
539 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Crew

9.1

Food

8.6

Overall

8.9

Comfort

8.9

Entertainment

8.8

Reviews

1 / 13
10.0
Excellent

Anonymous,Jun 2026

LAX - TPE

New flight, very nice inflight service, very nice seat and comfortable seat
เดลต้า
7.9
Good
8,396 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Crew

9.1

Food

8.6

Overall

8.9

Comfort

8.9

Entertainment

8.8

Reviews

1 / 13
10.0
Excellent

Anonymous,Jun 2026

LAX - TPE

New flight, very nice inflight service, very nice seat and comfortable seat
Philippine Airlines
7.3
Good
999 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Crew

9.1

Food

8.6

Overall

8.9

Comfort

8.9

Entertainment

8.8

Reviews

1 / 13
10.0
Excellent

Anonymous,Jun 2026

LAX - TPE

New flight, very nice inflight service, very nice seat and comfortable seat

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 ฿2,891, while return flights cost around ฿4,146.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around ฿4,146, however they can be found for as little as ฿4,146.

  • 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 15 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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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle.

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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