Find flights
Airlines
Thailand (ภาษาไทย)
ภาษาไทย

฿4,377+ 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 29/9. 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
21 Aug — 28 Aug1
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 16 August 2025.

Cheapest airline

เดลต้า

Good round-trip deal

฿25,996 or less

Good one-way deal

฿2,220 or less
On average, เดลต้า currently has the cheapest one-way flight from Seattle/Tacoma Intl (avg. price of ฿30,552).
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 16 August 2025.

Wed 1/1013:30SEA - TUL
1 stop5h 21mเดลต้า
Wed 29/1008:15TUL - SEA
1 stop6h 32mเดลต้า
Deal found 15/8฿8,980
Mon 3/1123:10SEA - TUL
1 stop8h 08mเดลต้า
Fri 7/1108:15TUL - SEA
1 stop8h 30mเดลต้า
Deal found 14/8฿9,305
Wed 1/1005:35SEA - TUL
1 stop11h 05mเซาท์เวสต์แอร์ไลน์
Wed 29/1013:20TUL - SEA
2 stops10h 40mเซาท์เวสต์แอร์ไลน์
Deal found 15/8฿9,337
Mon 3/1112:35SEA - TUL
2 stops8h 25mเซาท์เวสต์แอร์ไลน์
Fri 7/1120:45TUL - SEA
1 stop5h 50mเซาท์เวสต์แอร์ไลน์
Deal found 14/8฿9,467
Thu 11/905:00SEA - TUL
1 stop5h 40mเซาท์เวสต์แอร์ไลน์
Sun 14/920:55TUL - SEA
1 stop5h 25mเซาท์เวสต์แอร์ไลน์
Deal found 15/8฿9,758
Mon 10/1105:35SEA - TUL
1 stop10h 00mเซาท์เวสต์แอร์ไลน์
Tue 11/1106:50TUL - SEA
2 stops11h 40mเซาท์เวสต์แอร์ไลน์
Deal found 13/8฿10,115
Tue 23/910:10SEA - TUL
2 stops11h 05mเซาท์เวสต์แอร์ไลน์
Thu 25/907:40TUL - SEA
1 stop9h 10mเซาท์เวสต์แอร์ไลน์
Deal found 14/8฿11,217
Tue 9/906:25SEA - TUL
2 stops12h 16mUnited Airlines
Sun 14/906:00TUL - SEA
1 stop5h 57mUnited Airlines
Deal found 13/8฿11,801
Thu 6/1108:45SEA - HKT
1 stop33h 30mSingapore Airlines
Fri 14/1111:05HKT - SEA
1 stop35h 05mSingapore Airlines
Deal found 14/8฿20,457
Tue 21/1010:15SEA - HKT
1 stop19h 20mSingapore Airlines
Fri 7/1108:40HKT - SEA
1 stop37h 30mSingapore Airlines
Deal found 14/8฿21,333
Thu 11/914:15SEA - HKT
1 stop40h 00mAsiana Airlines
Sat 20/923:25HKT - SEA
1 stop27h 05mAsiana Airlines
Deal found 15/8฿21,851
Mon 1/914:15SEA - CNX
1 stop19h 25mAsiana Airlines
Mon 15/900:45CNX - SEA
1 stop25h 45mAsiana Airlines
Deal found 14/8฿21,851

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 16 August 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

Wed 1/10

13:30-20:51

1 stop5h 21m

Tulsa

Wed 29/10

08:15-12:47

1 stop6h 32m

฿8,980

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Mon 3/11

23:10-09:18

1 stop8h 08m

Tulsa

Fri 7/11

08:15-14:45

1 stop8h 30m

฿9,305

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Wed 1/10

05:35-18:40

1 stop11h 05m

Tulsa

Wed 29/10

13:20-22:00

2 stops10h 40m

฿9,337

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Mon 3/11

12:35-23:00

2 stops8h 25m

Tulsa

Fri 7/11

20:45-00:35

1 stop5h 50m

฿9,467

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Thu 11/9

05:00-12:40

1 stop5h 40m

Tulsa

Sun 14/9

20:55-00:20

1 stop5h 25m

฿9,758

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Mon 10/11

05:35-17:35

1 stop10h 00m

Tulsa

Tue 11/11

06:50-16:30

2 stops11h 40m

฿10,115

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Sun 9/11

05:50-17:35

2 stops9h 45m

Tulsa

Mon 10/11

15:05-19:40

1 stop6h 35m

฿11,217

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Tue 23/9

10:10-23:15

2 stops11h 05m

Tulsa

Thu 25/9

07:40-14:50

1 stop9h 10m

฿11,217

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Thu 6/11

08:45-09:15

1 stop33h 30m

Phuket City

Fri 14/11

11:05-07:10

1 stop35h 05m

฿20,457

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 21/10

10:15-19:35

1 stop19h 20m

Phuket City

Fri 7/11

18:00-07:10

1 stop28h 10m

฿21,333

Flights are sorted by cheapest return flights first.

Deals found on 14/8

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 8 August 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 ฿19,452). Flying from Seattle in June will prove the most costly (average of ฿32,323). 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
เดลต้า
เดลต้า
From ฿537
Korean Air
Korean Air
From ฿766

What are popular destinations to fly to from Seattle?

If you’re flying from Seattle, these routes are more frequently taken by airlines Chicago (889 flights per day), Los Angeles (676 flights per day) and Portland (560 flights per day).

Reykjavik
Reykjavik
From ฿2,628
Denver Intl
Denver Intl
From ฿107
Raleigh-Durham
Raleigh-Durham
From ฿238
Miami
Miami
From ฿802

What is the cheapest place to fly to from Seattle?

The cheapest city to fly to from Seattle is San Francisco, with prices starting at ฿2,220. Explore other affordable destinations below.

San Francisco
San Francisco
From ฿68
Denver Intl
Denver Intl
From ฿107
Toronto
Toronto
From ฿139
Philadelphia
Philadelphia
From ฿230

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.
Get a feel of what it's like to fly with EVA Air and Korean Air from Seattle 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.
EVA Air
8.4
Very Good
1,233 reviews
Check prices

Overall

8.4

Crew

8.6

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very Good
1,233 reviews
EVA Air
8.4
Very Good
1,233 reviews
Check prices

Overall

8.4

Crew

8.6

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Korean Air
8.4
Very Good
1,131 reviews
EVA Air
8.4
Very Good
1,233 reviews
Check prices

Overall

8.4

Crew

8.6

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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.

Direct flights from Washington

Book a direct flight from one of these other cities located in Washington.
Direct flights from Spokane

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 16 August 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, Atlanta, Bangkok Suvarnabhumi Airport. 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 ฿2,220 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿27,896 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 (฿17,422). Korean Air flights from Seattle to Bangkok Suvarnabhumi (฿24,821). EVA Air flights from Seattle to Bangkok Suvarnabhumi (฿28,671).

  • 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 ฿30,245
    Fly Seattle/Tacoma Intl to Atlanta from ฿34,753
    Fly Seattle/Tacoma Intl to Taipei City Taiwan Taoyuan Intl Airport from ฿73,776
    Fly Seattle/Tacoma Intl to Singapore from ฿82,181

  • 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 ฿24,192 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 ฿16,567

  • 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.