Find flights
Airlines

฿4,475+ Cheap flights from Seattle

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — BKK
15 Jun — 22 Jun1
1 adult

What to know about flights from Seattle

Discover essential information about flights departing from Seattle, including flight schedules, destinations, airlines operating at the Seattle airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 10 June 2025.

Cheapest airline

เดลต้า

Good round-trip deal

฿37,524 or less

Good one-way deal

฿4,247 or less
On average, เดลต้า currently has the cheapest one-way flight from Seattle/Tacoma Intl (avg. price of ฿30,784).
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl.
Search Deals

Find flights from Seattle

Cheapest flights from Seattle
Explore the most affordable flight options available from Seattle. Find the lowest fares based on data from user searches, with prices last updated on 10 June 2025.

Thu 18/907:10SEA - TUL
1 stop7h 04mUnited Airlines
Sun 21/917:23TUL - SEA
1 stop7h 29mUnited Airlines
Deal found 9/6฿10,845
Tue 29/723:30SEA - TUL
1 stop7h 49mเดลต้า
Tue 5/818:12TUL - SEA
1 stop7h 47mเดลต้า
Deal found 10/6฿10,878
Wed 2/710:20SEA - TUL
1 stop8h 45mเซาท์เวสต์แอร์ไลน์
Wed 9/720:15TUL - SEA
1 stop7h 00mเซาท์เวสต์แอร์ไลน์
Deal found 9/6฿11,825
Tue 2/910:15SEA - HKT
1 stop40h 55mSingapore Airlines
Fri 31/1018:00HKT - SEA
1 stop28h 10mSingapore Airlines
Deal found 8/6฿18,489
Wed 3/900:59SEA - TUL
1 stop8h 42mอลาสกาแอร์ไลน์
Sun 7/910:14TUL - SEA
1 stop9h 17mอลาสกาแอร์ไลน์
Deal found 8/6฿19,828
Mon 1/914:15SEA - CNX
1 stop19h 25mAsiana Airlines
Mon 15/900:45CNX - SEA
1 stop25h 45mAsiana Airlines
Deal found 8/6฿22,246
Sun 7/905:30SEA - HKT
2 stops27h 15mMultiple Airlines
Sun 21/911:15HKT - SEA
2 stops21h 21mMultiple Airlines
Deal found 10/6฿24,173
Tue 11/1108:45SEA - USM
1 stop42h 45mSingapore Airlines
Tue 18/1119:25USM - SEA
1 stop50h 45mSingapore Airlines
Deal found 9/6฿24,761
Sun 31/801:15SEA - CNX
1 stop25h 05mSTARLUX Airlines
Tue 16/917:20CNX - SEA
1 stop36h 50mSTARLUX Airlines
Deal found 8/6฿24,957
Tue 8/713:45SEA - BKK
2 stops24h 50mANA
Tue 15/709:35BKK - SEA
1 stop18h 50mANA
Deal found 10/6฿25,512
Wed 12/1111:00SEA - BKK
1 stop19h 30mKorean Air
Sun 7/1201:00BKK - SEA
1 stop23h 00mKorean Air
Deal found 10/6฿25,578
Mon 25/807:45SEA - BKK
2 stops30h 55mJapan Airlines
Wed 10/908:05BKK - SEA
1 stop16h 20mJapan Airlines
Deal found 10/6฿25,643

Find flights from Seattle within your budget

Find flights departing from Seattle that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 10 June 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Thu 18/9

07:10-16:14

1 stop7h 04m

Tulsa

Sun 21/9

17:23-22:52

1 stop7h 29m

฿10,845

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Tue 29/7

23:30-09:19

1 stop7h 49m

Tulsa

Tue 5/8

18:12-23:59

1 stop7h 47m

฿10,878

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Wed 2/7

10:20-21:05

1 stop8h 45m

Tulsa

Wed 9/7

20:15-01:15

1 stop7h 00m

฿11,825

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 2/9

10:15-17:10

1 stop40h 55m

Phuket City

Fri 31/10

18:00-08:10

1 stop28h 10m

฿18,489

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Wed 3/9

00:59-11:41

1 stop8h 42m

Tulsa

Sun 7/9

10:14-17:31

1 stop9h 17m

฿19,828

SeattleChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Mon 1/9

14:15-23:40

1 stop19h 25m

Chiang Mai

Mon 15/9

00:45-12:30

1 stop25h 45m

฿22,246

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 7/9

05:30-22:45

2 stops27h 15m

Phuket City

Sun 21/9

11:15-18:36

2 stops21h 21m

฿24,173

SeattleKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

Tue 11/11

08:45-18:30

1 stop42h 45m

Ko Samui

Tue 18/11

19:25-07:10

1 stop50h 45m

฿24,761

SeattleChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Sun 31/8

01:15-16:20

1 stop25h 05m

Chiang Mai

Tue 16/9

17:20-16:10

1 stop36h 50m

฿24,957

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 8/7

13:45-04:35

2 stops24h 50m

Bangkok Suvarnabhumi

Tue 15/7

09:35-14:25

1 stop18h 50m

฿25,512

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Seattle

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from Seattle

Get recent, data-driven insights about flights from Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Seattle to Suvarnabhumi. Price data was last updated on 9 June 2025.

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle?

Currently, February is the cheapest month in which you can book a flight from Seattle (average of ฿20,351). Flying from Seattle in June will prove the most costly (average of ฿32,568). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Seattle?

Many airlines operate round-trip flights from Seattle: EVA Air, Korean Air. These airlines fly to the following popular destinations: Bangkok.

EVA Air
EVA Air
From ฿884
Korean Air
Korean Air
From ฿766
เดลต้า
เดลต้า
From ฿537

What are popular destinations to fly to from Seattle?

If you’re flying from Seattle, these routes are more frequently taken by airlines Chicago (852 flights per day), Los Angeles (617 flights per day) and San Francisco (604 flights per day).

Seoul
Seoul
From ฿393
Denver Intl
Denver Intl
From ฿107
Raleigh-Durham
Raleigh-Durham
From ฿238

What is the cheapest place to fly to from Seattle?

The cheapest city to fly to from Seattle is Denver Intl, with prices starting at ฿3,494. Explore other affordable destinations below.

Denver Intl
Denver Intl
From ฿107
Toronto
Toronto
From ฿139
Philadelphia
Philadelphia
From ฿230
Raleigh-Durham
Raleigh-Durham
From ฿238

Airline reviews for flights from Seattle

Get insights into the airlines that provide service from Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Seattle. In the last 7 days, Cheapflights users made a total of 17,341 searches.
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very Good
1,202 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very Good
1,088 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very Good
1,489 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very Good
738 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

8.9

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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.

Fly your favourite airline from Seattle

Browse through various options for flying your favourite airline from Seattle. Flight routes are based on user searches made on Cheapflights and were last updated on 10 June 2025.
EVA Air flights from Seattle to Suvarnabhumi

Related info for your journey

Access useful and relevant information related to your journey from Seattle. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 10 June 2025.

  • What are the most popular destinations to fly to from Seattle?

    The most selected flight destinations from Seattle for the current month are Boston, Bengaluru, Atlanta. While Boston, Mumbai, Bangkok Suvarnabhumi Airport are the top choices made by travellers year-round.

  • What is the cheapest flight from Seattle to anywhere?

    Users have flown out of Seattle for as low as ฿3,494 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿27,451 to fly from Seattle.

  • What are the cheapest airlines flying from Seattle to anywhere?

    According to our data, users have found เดลต้า, Korean Air, and EVA Air to have the cheapest round-trip prices from Seattle. Some of the destinations and prices are as follows: เดลต้า flights from Seattle to Harrisburg (฿17,554). Korean Air flights from Seattle to Bangkok Suvarnabhumi (฿25,010). EVA Air flights from Seattle to Bangkok Suvarnabhumi (฿28,888).

  • What is the cheapest premium economy flight from Seattle?

    If you're looking for an elevated level of comfort for your next adventure, premium economy flights from Seattle may suit your needs. The cheapest premium economy flights from Seattle are:
    Fly Seattle/Tacoma Intl to Anchorage from ฿30,474
    Fly Seattle/Tacoma Intl to Atlanta from ฿35,017
    Fly Seattle/Tacoma Intl to Taipei City Taiwan Taoyuan Intl Airport from ฿74,336
    Fly Seattle/Tacoma Intl to Tokyo Haneda Airport from ฿77,664

  • What is the cheapest first class flight from Seattle?

    If you’re looking to fly first-class from Seattle to anywhere, put Las Vegas on your list as prices start at ฿24,376 for this destination.

  • What is the cheapest month to fly from Seattle?

    At the present moment the cheapest month to fly from Seattle is currently February; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Seattle?

    Here are some of the cheapest flight destinations from Seattle:
    Fly from Seattle to Bangkok from ฿17,673

  • How does Cheapflights help users find flights from Seattle?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Seattle today with Cheapflights!

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

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle.

  • Can Cheapflights find flights from Seattle with no change fees?

    Need flexible booking options for your flight from Seattle ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Seattle become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

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 from Seattle?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Seattle today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle.

Can Cheapflights find flights from Seattle with no change fees?

Need flexible booking options for your flight from Seattle ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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.
Site
©2025 Cheapflights