Find flights
Airlines
Travel Guide

฿14,776+ 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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
12 Apr — 19 Apr1
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 13 March 2026.

Fri 16/1013:25
BKK
-
SEA
1 stop20h 40m
Philippine Airlines
Fri 6/1123:55
SEA
-
BKK
1 stop21h 10m
Philippine Airlines
Deal found 11/3฿19,158
Mon 1/619:30
BKK
-
SEA
1 stop38h 35m
Philippine Airlines
Tue 1/923:10
SEA
-
BKK
1 stop29h 20m
Philippine Airlines
Deal found 11/3฿19,573
Thu 8/1013:25
BKK
-
SEA
1 stop20h 40m
Philippine Airlines
Thu 22/1023:10
SEA
-
BKK
1 stop23h 00m
Philippine Airlines
Deal found 12/3฿19,797
Tue 23/619:30
BKK
-
SEA
1 stop38h 35m
Philippine Airlines
Tue 14/723:10
SEA
-
BKK
1 stop23h 00m
Philippine Airlines
Deal found 11/3฿19,893
Thu 20/810:20
BKK
-
SEA
1 stop23h 45m
Philippine Airlines
Thu 24/923:10
SEA
-
BKK
1 stop33h 30m
Philippine Airlines
Deal found 10/3฿20,181
Sun 3/501:20
BKK
-
SEA
1 stop27h 35m
Multiple Airlines
Sun 17/500:55
SEA
-
BKK
1 stop30h 50m
Multiple Airlines
Deal found 12/3฿20,277
Mon 24/823:40
BKK
-
SEA
1 stop34h 25m
Philippine Airlines
Wed 30/923:10
SEA
-
BKK
1 stop33h 30m
Philippine Airlines
Deal found 12/3฿20,309
Fri 16/1008:10
DMK
-
SEA
2 stops25h 55m
Multiple Airlines
Thu 5/1100:10
SEA
-
DMK
2 stops25h 05m
Multiple Airlines
Deal found 11/3฿31,151
Mon 11/506:40
DMK
-
SEA
2 stops22h 15m
Multiple Airlines
Sun 17/500:55
SEA
-
DMK
2 stops31h 45m
Multiple Airlines
Deal found 11/3฿31,279
Wed 29/409:20
DMK
-
SEA
2 stops24h 45m
Multiple Airlines
Wed 22/723:10
SEA
-
DMK
1 stop22h 15m
Multiple Airlines
Deal found 11/3฿32,718
Sun 3/507:30
DMK
-
SEA
2 stops21h 25m
Multiple Airlines
Sun 17/500:55
SEA
-
DMK
2 stops26h 40m
Multiple Airlines
Deal found 13/3฿32,750
Thu 8/1007:30
DMK
-
SEA
2 stops21h 25m
Multiple Airlines
Thu 22/1023:10
SEA
-
DMK
1 stop22h 15m
Multiple Airlines
Deal found 12/3฿34,893

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 13 March 2026.

Return from

฿19,573

One-way from

฿14,776

Popular in

July

Cheapest in

March

Average price

฿23,443
Philippine Airlines
  • Philippine Airlines
  • 1/6-1/9
  • 2 total stops
  • 67h 55m total
  • Bangkok to Seattle
Search Deals
China Airlines
  • China Airlines
  • 19/6
  • 1 total stop
  • 30h 35m total
  • Bangkok to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (฿3,965 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿681 potential savings vs. average return price).
Search Deals
Average for return flights in March 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 13 March 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

Sun 3/5

01:20-14:55

1 stop27h 35m

Seattle/Tacoma Intl

Sun 17/5

00:55-21:45

1 stop30h 50m

฿20,277

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 27/4

01:20-14:55

1 stop27h 35m

Seattle/Tacoma Intl

Tue 28/4

00:55-23:20

1 stop32h 25m

฿23,187

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 31/5

02:35-16:51

2 stops28h 16m

Seattle/Tacoma Intl

Tue 1/9

07:20-23:35

2 stops26h 15m

฿25,906

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 26/4

21:40-13:07

1 stop29h 27m

Seattle/Tacoma Intl

Sun 3/5

13:00-13:35

1 stop34h 35m

฿25,938

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 18/8

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Tue 22/9

12:15-09:35

2 stops31h 20m

฿26,577
Fastest return journey

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 28/4

13:10-16:10

1 stop17h 00m

Seattle/Tacoma Intl

Tue 28/4

01:15-16:40

1 stop25h 25m

฿29,232

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 28/4

09:35-14:25

1 stop18h 50m

Seattle/Tacoma Intl

Wed 29/4

17:45-09:35

2 stops49h 50m

฿29,520

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 28/4

21:40-10:40

1 stop27h 00m

Seattle/Tacoma Intl

Wed 29/4

12:50-21:45

1 stop18h 55m

฿29,904

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 1/7

17:50-16:35

1 stop36h 45m

Seattle/Tacoma Intl

Tue 11/8

01:15-12:00

1 stop20h 45m

฿30,127

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 15/4

09:50-23:59

2 stops28h 09m

Seattle/Tacoma Intl

Tue 30/6

13:05-23:35

1 stop20h 30m

฿33,837

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5

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 6 March 2026.

To ensure you get the cheapest price possible for a flight to Seattle, you should look to book at least 81 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 16 hours 50 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.

เดลต้า
เดลต้า
From ฿26,502
EVA Air
EVA Air
From ฿25,435
China Airlines
China Airlines
From ฿23,515
Asiana Airlines
Asiana Airlines
From ฿21,442

What are the cheapest airlines that fly to Seattle?

The cheapest airlines flying from Bangkok to Seattle are Philippine Airlines, Asiana Airlines and China 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 13 March 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

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Entertainment

8.8

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

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Entertainment

8.8

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
8.5
Very Good
1,372 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Entertainment

8.8

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.
Asiana Airlines
8.1
Very Good
506 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Entertainment

8.8

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
8,288 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Entertainment

8.8

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
7.3
Good
967 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Entertainment

8.8

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 ฿2,828, while return flights cost around ฿4,055.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around ฿4,055, however they can be found for as little as ฿4,055.

  • 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 50 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Seattle by cabin class

Find flights to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Premium Economy Class
Economy class

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Seattle?

When you search for this flight to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets to Seattle?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.