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$125+ 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 21/4. 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 — SYD
19 Mar — 26 Mar1
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 14 March 2025.

Cheapest one-way flight

$67

Cheapest airline

Air Canada

Most popular destination

Los Angeles (LAX)

Good round-trip deal

$252 or less

Good one-way deal

$119 or less
The cheapest one-way flight from Seattle/Tacoma Intl is currently to Los Angeles.
On average, Air Canada currently has the cheapest one-way flight from Seattle/Tacoma Intl (avg. price of $1,701).
Los Angeles (LAX) is currently the most popular flight destination from Seattle/Tacoma Intl (average return price of $234).
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

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 14 March 2025.

Tue 1/418:40SEA - MEL
1 stop27h 55mMultiple Airlines
Wed 30/415:45MEL - SEA
1 stop24h 59mMultiple Airlines
Deal found 13/3$1,353
Mon 21/415:06SEA - SYD
1 stop23h 24mMultiple Airlines
Thu 24/416:20SYD - SEA
2 stops39h 33mMultiple Airlines
Deal found 14/3$1,418
Wed 3/923:35SEA - BNE
1 stop41h 20mPhilippine Airlines
Sun 28/911:15BNE - SEA
1 stop25h 00mPhilippine Airlines
Deal found 13/3$1,487
Sun 6/423:35SEA - SYD
1 stop39h 25mPhilippine Airlines
Wed 30/410:10SYD - SEA
1 stop26h 05mPhilippine Airlines
Deal found 14/3$1,569
Fri 1/813:45SEA - SYD
1 stop24h 35mAir Canada
Fri 22/809:20SYD - SEA
1 stop21h 56mAir Canada
Deal found 13/3$1,669
Thu 15/521:15SEA - BNE
1 stop39h 10mMultiple Airlines
Thu 29/507:00BNE - SEA
2 stops26h 50mMultiple Airlines
Deal found 13/3$1,696
Sun 10/814:55SEA - MEL
2 stops28h 25mAir Canada
Sat 23/806:00MEL - SEA
2 stops25h 16mAir Canada
Deal found 14/3$1,730
Mon 8/910:00SEA - AVV
2 stops37h 05mMultiple Airlines
Sun 21/920:40AVV - SEA
2 stops33h 25mMultiple Airlines
Deal found 14/3$1,796
Tue 24/613:45SEA - BNE
1 stop24h 20mAir Canada
Mon 18/810:00BNE - SEA
1 stop16h 21mAir Canada
Deal found 14/3$1,811
Wed 21/508:25SEA - SYD
1 stop18h 20mHawaiian Airlines
Fri 30/521:40SYD - SEA
1 stop25h 35mHawaiian Airlines
Deal found 13/3$1,828
Mon 5/508:15SEA - SYD
1 stop18h 30mAlaska Airlines
Sat 10/521:40SYD - SEA
1 stop25h 35mAlaska Airlines
Deal found 14/3$1,836
Sat 29/319:34SEA - BNE
1 stop17h 56mUnited Airlines
Fri 18/410:30BNE - SEA
2 stops29h 30mUnited Airlines
Deal found 13/3$1,838

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 14 March 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 1/4

18:40-16:35

1 stop27h 55m

Melbourne

Wed 30/4

15:45-23:44

1 stop24h 59m

$1,353

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 21/4

15:06-07:30

1 stop23h 24m

Sydney Kingsford Smith

Thu 24/4

16:20-14:53

2 stops39h 33m

$1,418

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Wed 3/9

23:35-09:55

1 stop41h 20m

Brisbane

Sun 28/9

11:15-19:15

1 stop25h 00m

$1,487

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 6/4

23:35-08:00

1 stop39h 25m

Sydney Kingsford Smith

Wed 30/4

10:10-19:15

1 stop26h 05m

$1,569

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 1/8

14:55-07:20

1 stop23h 25m

Sydney Kingsford Smith

Sun 24/8

09:20-13:01

1 stop20h 41m

$1,669

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Thu 15/5

21:15-05:25

1 stop39h 10m

Brisbane

Thu 29/5

07:00-16:50

2 stops26h 50m

$1,696

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 10/8

14:55-12:20

2 stops28h 25m

Melbourne

Sat 23/8

06:00-14:16

2 stops25h 16m

$1,730

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Mon 8/9

10:00-16:05

2 stops37h 05m

Melbourne Avalon

Sun 21/9

20:40-13:05

2 stops33h 25m

$1,796

SeattleBrisbane

SEA - BNE

SEABNE

Seattle/Tacoma Intl

Tue 24/6

13:45-07:05

1 stop24h 20m

Brisbane

Mon 18/8

10:00-09:21

1 stop16h 21m

$1,811

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 21/5

08:25-19:45

1 stop18h 20m

Sydney Kingsford Smith

Fri 30/5

21:40-06:15

1 stop25h 35m

$1,828

Flights are sorted by cheapest return flights first.

Deals found on 13/3

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 Sydney. Price data was last updated on 7 March 2025.

The best time to book flights from Seattle is 9 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, July is the cheapest month in which you can book a flight from Seattle (average of $1,082). Flying from Seattle in January will prove the most costly (average of $1,410). 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 647,157 searches.

Entertainment

7.2

Crew

9.1

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Entertainment

7.2

Crew

9.1

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.4
Very Good

Entertainment

7.2

Crew

9.1

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Entertainment

7.2

Crew

9.1

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Entertainment

7.2

Crew

9.1

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.0
Very Good

Entertainment

7.2

Crew

9.1

Food

7.8

Overall

8.7

Comfort

8.0

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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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 14 March 2025.
  • What are the most popular destinations to fly to from Seattle?

    For the current month, the most popular flights from Seattle are Bangkok Suvarnabhumi Airport, Boston, Mumbai. Boston, Mumbai, Bangkok Suvarnabhumi Airport are the most popular locations from Seattle year round.

  • What is the cheapest flight from Seattle to anywhere?

    Users have flown out of Seattle for as low as $65 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for $912 to fly from Seattle.

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

    According to our data, users have found Spirit Airlines, Alaska Airlines, and Hawaiian Airlines to have the cheapest round-trip prices from Seattle. Some of the destinations and prices are as follows: Spirit Airlines flights from Seattle to Los Angeles ($193). Alaska Airlines flights from Seattle to Anchorage ($199). Hawaiian Airlines flights from Seattle to Sydney Kingsford Smith ($867).

  • What is the cheapest premium economy flight from Seattle?

    Options for some of the cheapest premium economy flights from Seattle we have found on Cheapflights are as follows:
    Fly from Seattle/Tacoma Intl to Salt Lake City starting at $762
    Fly from Seattle/Tacoma Intl to Cincinnati starting at $1,020
    Fly from Seattle/Tacoma Intl to Newark Airport starting at $1,534
    Fly from Seattle/Tacoma Intl to Vancouver Intl Airport starting at $2,612

  • What is the cheapest first class flight from Seattle?

    If you’re looking to fly first-class from Seattle to anywhere, put Houston on your list as prices start at $2,498 for this destination.

  • What is the cheapest month to fly from Seattle?

    Currently, the cheapest month for flights from Seattle is July. The most expensive month for flights is January. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

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

    View the cheapest flight destinations from Seattle:
    Fly from Seattle to Sydney from $1,387 round trip

  • How does Cheapflights help users find flights from Seattle?

    Cheapflights helps you search for flights from Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • 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?

    Certainly. Search results for flights from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Yes, Cheapflights offers price alerts on flights from Seattle so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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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?

Cheapflights helps you search for flights from Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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?

Certainly. Search results for flights from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on flights from Seattle so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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