฿3,905+ Cheap flights from 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 3/3. 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
10 Mar — 17 Mar1
1 adult
1 adult, Economy, 0 bags

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 8 February 2026.

Cheapest airline

เดลต้า

Good round-trip deal

฿55,838 or less

Good one-way deal

฿4,214 or less
On average, เดลต้า currently has the cheapest one-way flight from Seattle/Tacoma Intl (avg. price of ฿29,674).
Price to beat on a round-trip flight from Seattle/Tacoma Intl.
Price to beat on a one-way flight from Seattle/Tacoma Intl.

Find flights from Seattle

Enter your travel dates to find the best prices.

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 8 February 2026.

Mon 20/423:35
SEA
-
TUL
1 stop9h 40m
United Airlines
Thu 23/405:45
TUL
-
SEA
1 stop6h 01m
United Airlines
Deal found 5/2฿7,463
Fri 17/414:50
SEA
-
TUL
1 stop6h 00m
เซาท์เวสต์แอร์ไลน์
Sun 19/405:30
TUL
-
SEA
1 stop6h 10m
เซาท์เวสต์แอร์ไลน์
Deal found 5/2฿8,407
Mon 6/423:35
SEA
-
TUL
1 stop7h 32m
United Airlines
Tue 7/415:35
TUL
-
SEA
2 stops9h 52m
United Airlines
Deal found 6/2฿8,439
Thu 12/308:45
SEA
-
TUL
2 stops9h 24m
United Airlines
Tue 17/305:45
TUL
-
SEA
1 stop6h 04m
United Airlines
Deal found 6/2฿8,754
Mon 6/415:10
SEA
-
TUL
1 stop5h 45m
เซาท์เวสต์แอร์ไลน์
Tue 7/406:20
TUL
-
SEA
1 stop9h 15m
เซาท์เวสต์แอร์ไลน์
Deal found 6/2฿9,037
Mon 20/423:55
SEA
-
TUL
1 stop9h 40m
เซาท์เวสต์แอร์ไลน์
Thu 23/417:10
TUL
-
SEA
2 stops9h 45m
เซาท์เวสต์แอร์ไลน์
Deal found 5/2฿9,194
Wed 18/310:19
SEA
-
TUL
Nonstop3h 50m
อลาสกาแอร์ไลน์
Mon 23/316:46
TUL
-
SEA
Nonstop4h 15m
อลาสกาแอร์ไลน์
Deal found 6/2฿9,667
Sat 4/413:32
SEA
-
TUL
1 stop5h 04m
เดลต้า
Wed 8/408:10
TUL
-
SEA
1 stop8h 44m
เดลต้า
Deal found 7/2฿9,698
Tue 24/209:00
SEA
-
TUL
2 stops10h 58m
United Airlines
Fri 27/205:45
TUL
-
SEA
1 stop6h 04m
United Airlines
Deal found 6/2฿9,824
Thu 9/423:35
SEA
-
TUL
1 stop7h 32m
United Airlines
Mon 13/418:25
TUL
-
SEA
1 stop7h 54m
United Airlines
Deal found 5/2฿10,297
Sat 14/323:59
SEA
-
TUL
1 stop9h 13m
United Airlines
Tue 17/311:53
TUL
-
SEA
2 stops13h 23m
United Airlines
Deal found 6/2฿10,454
Tue 14/410:15
SEA
-
HKT
1 stop19h 00m
Singapore Airlines
Fri 24/415:00
HKT
-
SEA
1 stop31h 45m
Singapore Airlines
Deal found 7/2฿15,996

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 8 February 2026. 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

Fri 17/4

14:50-22:50

1 stop6h 00m

Tulsa

Sun 19/4

05:30-09:40

1 stop6h 10m

฿8,407

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Wed 18/3

10:19-16:09

Nonstop3h 50m

Tulsa

Mon 23/3

16:46-19:01

Nonstop4h 15m

฿9,667

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Thu 26/2

16:40-00:15

1 stop5h 35m

Tulsa

Sat 28/2

08:00-14:44

1 stop8h 44m

฿9,667

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Mon 11/5

23:55-11:35

1 stop9h 40m

Tulsa

Sat 16/5

17:55-23:00

1 stop7h 05m

฿9,667

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Sat 4/4

13:32-20:36

1 stop5h 04m

Tulsa

Wed 8/4

08:10-12:27

1 stop6h 17m

฿9,698

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Tue 24/2

09:00-21:58

2 stops10h 58m

Tulsa

Fri 27/2

05:45-09:49

1 stop6h 04m

฿9,824

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Thu 26/2

15:16-23:44

1 stop6h 28m

Tulsa

Sat 28/2

11:53-21:01

2 stops11h 08m

฿9,824

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Thu 9/4

23:35-09:07

1 stop7h 32m

Tulsa

Mon 13/4

18:25-00:19

1 stop7h 54m

฿10,297

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Fri 20/2

16:40-00:15

1 stop5h 35m

Tulsa

Tue 24/2

08:00-14:44

1 stop8h 44m

฿11,241

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 21/4

00:55-23:20

1 stop32h 25m

Bangkok Suvarnabhumi

Sun 17/5

01:20-14:55

1 stop27h 35m

฿22,073

Flights are sorted by cheapest return flights first.

Deals found on 5/2

Showing 1-10 of 60 results
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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 30 January 2026.

Booking 74 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 ฿16,405). Flying from Seattle in June will prove the most costly (average of ฿24,435). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 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.

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

Browse thousands of different options on Cheapflights for your next trip

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Direct flights from Washington

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

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 8 February 2026.
  • What are the most popular destinations to fly to from Seattle?

    The most selected flight destinations from Seattle for the current month are Bangkok Suvarnabhumi Airport, Atlanta, Mumbai. While Boston, Bangkok Suvarnabhumi Airport, Mumbai 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 ฿4,079 to Sacramento (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿23,315 to fly from Seattle.

  • 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 Taipei City Taiwan Taoyuan Intl Airport from ฿71,654
    Fly Seattle/Tacoma Intl to Singapore from ฿79,818
    Fly Seattle/Tacoma Intl to Incheon Intl Airport from ฿80,298

  • What is the cheapest first class flight from Seattle?

    If you’re looking to fly first-class from Seattle to anywhere, put San Francisco on your list as prices start at ฿773,228 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 ฿15,996

  • 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!

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Fly with Cheapflights

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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!

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