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฿13,814+ 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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
9 Mar — 16 Mar1
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 7 February 2026.

Sat 7/303:05
BKK
-
SEA
1 stop25h 50m
Multiple Airlines
Tue 25/800:55
SEA
-
BKK
1 stop32h 30m
Multiple Airlines
Deal found 6/2฿19,978
Sun 22/302:05
BKK
-
SEA
1 stop26h 50m
Multiple Airlines
Sun 29/300:55
SEA
-
BKK
1 stop22h 20m
Multiple Airlines
Deal found 5/2฿20,294
Mon 16/301:05
BKK
-
SEA
1 stop21h 55m
ไห่หนานแอร์ไลน์
Tue 7/411:00
SEA
-
BKK
1 stop35h 20m
ไห่หนานแอร์ไลน์
Deal found 4/2฿20,326
Fri 6/302:05
BKK
-
SEA
1 stop26h 50m
Multiple Airlines
Tue 4/800:55
SEA
-
BKK
1 stop34h 10m
Multiple Airlines
Deal found 5/2฿20,484
Sun 22/309:40
BKK
-
SEA
1 stop19h 15m
Multiple Airlines
Sat 28/300:10
SEA
-
BKK
1 stop33h 30m
Multiple Airlines
Deal found 5/2฿20,579
Sun 31/501:20
BKK
-
SEA
1 stop27h 35m
Asiana Airlines
Tue 15/900:55
SEA
-
BKK
1 stop19h 45m
Asiana Airlines
Deal found 6/2฿20,642
Sun 31/501:20
BKK
-
SEA
1 stop27h 35m
Asiana Airlines
Mon 31/800:55
SEA
-
BKK
1 stop20h 20m
Asiana Airlines
Deal found 4/2฿20,674
Sun 8/213:20
BKK
-
SEA
1 stop20h 20m
Philippine Airlines
Sun 22/221:30
SEA
-
BKK
1 stop23h 30m
Philippine Airlines
Deal found 6/2฿20,832
Sun 8/213:20
BKK
-
SEA
1 stop20h 20m
Philippine Airlines
Sun 1/321:30
SEA
-
BKK
1 stop23h 30m
Philippine Airlines
Deal found 6/2฿20,863
Sat 7/315:45
DMK
-
SEA
2 stops41h 25m
Multiple Airlines
Wed 5/823:10
SEA
-
DMK
1 stop22h 15m
Multiple Airlines
Deal found 5/2฿29,240
Mon 27/409:20
DMK
-
SEA
2 stops24h 10m
Multiple Airlines
Thu 7/523:10
SEA
-
DMK
1 stop22h 15m
Multiple Airlines
Deal found 6/2฿29,556
Sun 8/209:20
DMK
-
SEA
2 stops23h 50m
Multiple Airlines
Sun 22/221:30
SEA
-
DMK
1 stop23h 10m
Multiple Airlines
Deal found 6/2฿30,062

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 7 February 2026.

Return from

฿19,978

One-way from

฿13,814

Popular in

July

Cheapest in

December

Average price

฿26,743
7/3-25/8
  • 7/3-25/8
  • 2 total stops
  • 58h 20m total
  • Bangkok to Seattle
Search Deals
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 22/5
  • 1 total stop
  • 33h 10m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿3,426 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿642 potential savings vs. average return price).
Search Deals
Average for return flights in February 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 7 February 2026.
Use the filters below to find and compare flights to Seattle that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 16/3

01:05-09:00

1 stop21h 55m

Seattle/Tacoma Intl

Tue 7/4

11:00-23:00

1 stop22h 00m

฿20,326

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 22/5

11:45-14:55

1 stop17h 10m

Seattle/Tacoma Intl

Mon 1/6

00:55-23:20

1 stop32h 25m

฿20,705

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 31/5

01:20-14:55

1 stop27h 35m

Seattle/Tacoma Intl

Tue 15/9

00:55-23:20

1 stop32h 25m

฿20,705

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 1/6

09:35-22:18

2 stops26h 43m

Seattle/Tacoma Intl

Tue 1/9

16:30-04:35

1 stop22h 05m

฿21,179

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 5/6

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Sat 5/9

19:32-09:35

2 stops24h 03m

฿21,274

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 1/6

09:35-22:18

2 stops26h 43m

Seattle/Tacoma Intl

Wed 16/9

05:15-23:55

2 stops28h 40m

฿22,064

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 7/3

14:40-18:10

1 stop18h 30m

Seattle/Tacoma Intl

Wed 2/9

01:30-11:20

1 stop19h 50m

฿24,815

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 22/5

09:35-09:07

2 stops37h 32m

Seattle/Tacoma Intl

Tue 2/6

16:30-04:35

1 stop22h 05m

฿25,226

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 29/4

13:25-20:05

1 stop20h 40m

Seattle/Tacoma Intl

Sun 30/8

00:55-10:40

1 stop19h 45m

฿26,269

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 8/3

16:55-17:39

2 stops39h 44m

Seattle/Tacoma Intl

Wed 26/8

06:30-04:35

2 stops32h 05m

฿27,154

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 44 results
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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

When is the best time to book a flight to Seattle?

Use this chart to determine the optimal time to book a return flight from Bangkok to Seattle. Price data was last updated on 30 January 2026.

To ensure you get the cheapest price possible for a flight to Seattle, you should look to book at least 65 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.

How long is the flight to Seattle?

On average, a flight from Bangkok to Seattle takes 19 hours 52 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, Philippine Airlines and เดลต้า.

เดลต้า
เดลต้า
From ฿26,194
EVA Air
EVA Air
From ฿24,952
Philippine Airlines
Philippine Airlines
From ฿20,396
China Airlines
China Airlines
From ฿23,628

What are the cheapest airlines that fly to Seattle?

The cheapest airlines flying from Bangkok to Seattle are Philippine Airlines, Asiana Airlines and STARLUX 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).

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 7 February 2026.
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
8.9
Very Good
Check prices

Boarding

8.9

Comfort

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Comfort

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
EVA Air
8.4
Very Good
1,347 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Comfort

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
China Airlines
8.3
Very Good
803 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Comfort

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
เดลต้า
7.9
Good
8,158 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Comfort

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Philippine Airlines
7.2
Good
953 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Boarding

8.9

Comfort

8.9

Entertainment

8.8

Food

8.6

Overall

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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 ฿2,481, while return flights cost around ฿8,333.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around ฿8,333, however they can be found for as little as ฿8,333.

  • 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 (19 hours 25 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. Seatac Inn is the closest property to Seattle/Tacoma Intl (0.0 km away from Seattle/Tacoma Intl).

See more FAQs

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