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$140+ 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 26/5. 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 — AKL
11 Apr — 18 Apr1
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 12 March 2026.

Good round-trip deal

$855 or less

Good one-way deal

$573 or less
Price to beat on a round-trip flight from Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Seattle/Tacoma Intl.
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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 12 March 2026.

Thu 30/409:40
SEA
-
SAN
1 stop6h 25m
Southwest
Mon 4/516:20
SAN
-
SEA
1 stop6h 45m
Southwest
Deal found 9/3$201
Thu 7/509:40
SEA
-
SAN
1 stop4h 15m
Southwest
Tue 12/516:30
SAN
-
SEA
2 stops7h 25m
Southwest
Deal found 7/3$203
Tue 21/409:20
SEA
-
SAN
2 stops8h 25m
Southwest
Wed 22/414:45
SAN
-
SEA
1 stop5h 35m
Southwest
Deal found 8/3$209
Tue 21/407:50
SEA
-
SAN
1 stop6h 20m
Southwest
Fri 1/514:15
SAN
-
SEA
Nonstop3h 05m
Southwest
Deal found 10/3$218
Tue 21/411:40
SEA
-
SAN
2 stops6h 45m
Southwest
Sat 2/511:30
SAN
-
SEA
1 stop10h 30m
Southwest
Deal found 7/3$219
Tue 21/409:20
SEA
-
SAN
2 stops8h 25m
Southwest
Tue 28/415:00
SAN
-
SEA
Nonstop3h 00m
Southwest
Deal found 9/3$226
Tue 28/411:29
SEA
-
SAN
1 stop4h 47m
Alaska Airlines
Tue 28/419:35
SAN
-
SEA
Nonstop3h 18m
Alaska Airlines
Deal found 10/3$230
Tue 28/420:15
SEA
-
SAN
1 stop20h 01m
Alaska Airlines
Wed 29/418:34
SAN
-
SEA
Nonstop3h 11m
Alaska Airlines
Deal found 8/3$231
Tue 31/307:20
SEA
-
SAN
Nonstop2h 57m
Delta
Wed 8/407:30
SAN
-
SEA
Nonstop3h 10m
Delta
Deal found 9/3$233
Sun 19/407:35
SEA
-
SAN
Nonstop2h 59m
Delta
Thu 23/413:40
SAN
-
SEA
Nonstop3h 10m
Delta
Deal found 9/3$235
Tue 28/411:45
SEA
-
SAN
Nonstop2h 53m
Delta
Wed 29/413:40
SAN
-
SEA
Nonstop3h 10m
Delta
Deal found 9/3$236
Tue 21/409:20
SEA
-
COS
1 stop5h 10m
Southwest
Tue 28/416:45
COS
-
SEA
1 stop7h 50m
Southwest
Deal found 9/3$255

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 12 March 2026. In the last 7 days, Cheapflights users made a total of 134,765 searches

Fly to

Route

Departure

Return

Price

Cheapest return flight

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 28/4

20:15-16:16

1 stop20h 01m

San Diego

Wed 29/4

18:34-21:45

Nonstop3h 11m

$231
Fastest return journey

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 28/4

11:45-14:38

Nonstop2h 53m

San Diego

Wed 29/4

13:40-16:50

Nonstop3h 10m

$236

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 21/4

09:20-15:30

1 stop5h 10m

Colorado Springs

Tue 28/4

16:45-23:35

1 stop7h 50m

$255

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 29/4

06:50-16:10

1 stop8h 20m

Colorado Springs

Wed 6/5

06:00-10:55

1 stop5h 55m

$255

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 22/4

11:35-20:45

2 stops8h 10m

Colorado Springs

Tue 28/4

16:45-23:35

1 stop7h 50m

$273

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Mon 13/4

18:15-23:05

1 stop4h 50m

San Diego

Wed 15/4

15:00-18:00

Nonstop3h 00m

$287

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Mon 13/4

18:15-23:05

1 stop4h 50m

San Diego

Thu 16/4

18:55-00:55

1 stop6h 00m

$287

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Tue 21/4

13:00-15:46

Nonstop2h 46m

San Diego

Sat 2/5

12:33-17:00

1 stop4h 27m

$317

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Fri 8/5

11:36-17:06

1 stop5h 30m

San Diego

Sun 10/5

06:15-09:26

Nonstop3h 11m

$317

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 7/4

05:00-11:05

1 stop5h 05m

Colorado Springs

Tue 14/4

06:00-09:46

1 stop4h 46m

$366

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 Auckland. Price data was last updated on 6 March 2026.

To ensure you get the cheapest price possible for a flight from Seattle, you should look to book at least 3 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.

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

Currently, March is the cheapest month in which you can book a flight from Seattle (average of $891). Flying from Seattle in July will prove the most costly (average of $2,054). 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?

For round-trip flights from Seattle you’ll fly on: United Airlines. This airline flies to the following popular destinations: Auckland.

United Airlines
United Airlines
From $1,454

What are popular destinations to fly to from Seattle?

Some of the most frequent flights departing from Seattle everyday are: Los Angeles (508 flights per day), San Francisco (347 flights per day), and Vancouver (330 flights per day).

Boston Logan Intl
Boston Logan Intl
From $543

What is the cheapest place to fly to from Seattle?

The cheapest city to fly to from Seattle is Boston Logan Intl, with prices starting at $543. Explore other affordable destinations below.

Boston Logan Intl
Boston Logan Intl
From $543

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 134,765 searches.
Read through reviews of airlines serving Seattle, such as United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,418 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,418 reviews
United Airlines
7.4
Good
9,418 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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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 12 March 2026.

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

    The most popular destinations from Seattle this month are Bangkok Suvarnabhumi Airport, Mumbai, Austin. The top year-round destinations include Boston, Bangkok Suvarnabhumi Airport, Mumbai.

  • What is the cheapest flight from Seattle to anywhere?

    Users have flown out of Seattle for as low as $543 to Boston (prices may vary depending on the airline and departure time). On average, users have booked flights for $742 to fly from Seattle.

  • What is the cheapest premium economy flight from Seattle?

    Premium economy can provide you with benefits such as more leg room and ideal seating locations without the price tag of a business class flight. Some of the cheapest premium economy flight options from Seattle are below:
    Fly from Seattle/Tacoma Intl to Anchorage starting at $1,009
    Fly from Seattle/Tacoma Intl to Puerto Vallarta starting at $1,195

  • What is the cheapest first class flight from Seattle?

    If you’re looking for a cheap first-class flight from Seattle, consider Los Angeles. Prices start at $38,249 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Seattle?

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

  • How does Cheapflights help users find flights from Seattle?

    Deals for flights from Seattle are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

    Cheapflights helps you find that perfect flight from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle, users can toggle the no change fees filter when performing a flight search.

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

    Yes! Start tracking prices for flights from Seattle today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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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?

Deals for flights from Seattle are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Seattle with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for flights from Seattle today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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