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$653+ Cheap flights to 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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
10 Jun — 17 Jun1
1 adult

Flights to Seattle in 2025

Find the latest flights to Seattle in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 5 June 2025.

Return from

$1,236

One-way from

$653

Popular in

December

Cheapest in

February

Average price

$1,642
United Airlines
  • United Airlines
  • 11/9-11/10
  • 3 total stops
  • 51h 24m total
  • Sydney to Seattle
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Air Canada
  • Air Canada
  • 26/8
  • 1 total stop
  • 21h 56m total
  • Sydney to Seattle
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Highest demand for flights based on searches. 7% potential increase in price ($213 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($74 potential savings vs. average return price).
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Average for return flights in June 2025
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Find flight deals to Seattle

Cheapest flights to Seattle
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 5 June 2025.

Thu 11/910:20SYD - SEA
1 stop21h 54mUnited Airlines
Sat 11/1008:30SEA - SYD
2 stops29h 30mUnited Airlines
Deal found 4/6$1,236
Tue 9/909:20SYD - SEA
1 stop20h 45mAir Canada
Tue 14/1013:45SEA - SYD
1 stop24h 35mAir Canada
Deal found 4/6$1,248
Sat 6/909:25SYD - SEA
1 stop27h 34mDelta
Mon 13/1009:30SEA - SYD
1 stop28h 05mDelta
Deal found 4/6$1,336
Fri 18/721:40SYD - SEA
1 stop28h 00mAlaska Airlines
Fri 25/720:40SEA - SYD
1 stop30h 05mAlaska Airlines
Deal found 3/6$1,359
Thu 5/621:40SYD - SEA
1 stop18h 53mHawaiian Airlines
Mon 9/608:25SEA - SYD
1 stop18h 20mHawaiian Airlines
Deal found 4/6$1,376
Thu 20/1110:30SYD - SEA
1 stop22h 25mAsiana Airlines
Thu 27/1100:10SEA - SYD
1 stop37h 20mAsiana Airlines
Deal found 3/6$1,395
Fri 13/610:10SYD - SEA
1 stop26h 05mPhilippine Airlines
Wed 2/723:35SEA - SYD
1 stop39h 25mPhilippine Airlines
Deal found 3/6$1,427
Sat 7/609:10SYD - SEA
1 stop21h 59mAmerican Airlines
Sat 21/608:00SEA - SYD
1 stop30h 05mAmerican Airlines
Deal found 3/6$1,489
Wed 16/717:45SYD - SEA
1 stop20h 56mQantas Airways
Thu 31/717:55SEA - SYD
1 stop20h 10mQantas Airways
Deal found 4/6$1,513
Thu 5/616:20SYD - SEA
2 stops22h 15mMultiple Airlines
Mon 9/617:43SEA - SYD
1 stop20h 22mMultiple Airlines
Deal found 4/6$1,527
Tue 17/620:55SYD - SEA
1 stop34h 30mANA
Sun 6/713:45SEA - SYD
2 stops26h 40mANA
Deal found 3/6$1,654
Wed 1/1022:10SYD - SEA
1 stop38h 10mChina Airlines
Thu 30/1001:10SEA - SYD
1 stop41h 00mChina Airlines
Deal found 3/6$1,720

Cheapflights Fare Finder

Locate flights to Seattle that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 5 June 2025.
Use the filters below to find and compare flights to Seattle that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 11/9

10:20-15:14

1 stop21h 54m

Seattle/Tacoma Intl

Sat 11/10

08:30-08:00

2 stops29h 30m

$1,236

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 9/9

09:20-13:05

1 stop20h 45m

Seattle/Tacoma Intl

Tue 14/10

13:45-08:20

1 stop24h 35m

$1,248

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 6/9

09:25-19:59

1 stop27h 34m

Seattle/Tacoma Intl

Mon 13/10

09:30-07:35

1 stop28h 05m

$1,336

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 18/7

21:40-08:40

1 stop28h 00m

Seattle/Tacoma Intl

Fri 25/7

20:40-19:45

1 stop30h 05m

$1,359

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 18/7

21:40-08:40

1 stop28h 00m

Seattle/Tacoma Intl

Fri 25/7

20:40-19:45

1 stop30h 05m

$1,390

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 20/11

10:30-13:55

1 stop22h 25m

Seattle/Tacoma Intl

Thu 27/11

00:10-08:30

1 stop37h 20m

$1,395

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 8/9

09:10-16:53

2 stops24h 43m

Seattle/Tacoma Intl

Wed 24/9

11:40-07:05

2 stops26h 25m

$1,492

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 16/7

17:45-21:41

1 stop20h 56m

Seattle/Tacoma Intl

Thu 31/7

17:55-07:05

1 stop20h 10m

$1,513

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 2/7

10:10-19:15

1 stop26h 05m

Seattle/Tacoma Intl

Wed 30/7

23:35-08:00

1 stop39h 25m

$1,550

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 9/7

10:20-10:48

1 stop17h 28m

Seattle/Tacoma Intl

Tue 29/7

18:55-07:05

1 stop19h 10m

$1,625

Flights are sorted by cheapest return flights first.

Deals found on 3/6

Showing 1-10 of 29 results
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Best time to book a flight to Seattle

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

Cheapflights Insights

Everything you need to know about your flight to Seattle

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

Use this chart to determine the optimal time to book a return flight from Sydney to Seattle. Price data was last updated on 23 May 2025.

The best time to book flights to Seattle is 75 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.

How long is the flight to Seattle?

On average, a flight from Sydney to Seattle takes 18 hours 47 minutes. Flights to Seattle from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Seattle?

Use this chart to determine the cheapest time to fly return from Sydney to Seattle. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Seattle should consider flying on Saturday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday afternoons, when prices are usually at their highest.

What are the most popular airlines that fly to Seattle?

The most popular airlines flying from Sydney to Seattle are Air Canada, United Airlines and Hawaiian Airlines.

Air Canada
Air Canada
From $817
United Airlines
United Airlines
From $713
Hawaiian Airlines
Hawaiian Airlines
From $871
Qantas Airways
Qantas Airways
From $828

What are the cheapest airlines that fly to Seattle?

The cheapest airlines flying from Sydney to Seattle are United Airlines, Virgin Australia and Asiana Airlines.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 5 June 2025.
To help decide which airline to fly to Seattle, see what other customers have to say about Air Tahiti Nui, Japan Airlines and China Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

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.
Air Tahiti Nui
8.7
Very Good
64 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

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.
Japan Airlines
8.3
Very Good
1,486 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

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.
China Airlines
8.3
Very Good
735 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

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.
ANA
8.3
Very Good
875 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

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.
Asiana Airlines
8.2
Very Good
446 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

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.

FAQs about flying to Seattle

Getting around Seattle

Seattle-Tacoma International Airport (SEA), also known as Sea-Tac, is the city’s major airport. It is 16 km from the city centre. There are several options for getting into the city. The Link Light Rail is a convenient choice, taking just over 30 minutes to reach the centre. Shuttle buses are useful for those with a lot of luggage. There are also taxis and rental cars.

The Metro Transit system of buses, including electric and hybrid buses, is useful and tourist-friendly, though drivers do not carry change. Express routes are offered by some buses. Other options include the streetcar and the monorail, connecting with major attractions. The Washington State Ferries are a tourist attraction in their own right.

Seattle is generally safe, though common sense should be applied at all times and it can be best to avoid parks at night.

  • What airport do you fly into for flights to Seattle?

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly into when you book flights to Seattle.

  • Can I find cheaper flights to Seattle if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Seattle on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Seattle?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Seattle.

  • What is the cheapest airport to fly to in Seattle?

    Seattle/Tacoma Intl is currently the cheapest airport to fly to in Seattle. One-way flights to Seattle/Tacoma Intl typically cost $79, while return flights cost around $120.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around $191, however they can be found for as little as $78.

  • Where does the fastest flight to Seattle depart from?

    For those looking to save time traveling to Seattle, Sydney Kingsford Smith offers the quickest one-way flight (18 hours 47 minutes).

  • Does Seattle/Tacoma Intl have car hire?

    Yes. Those touching down at Seattle/Tacoma Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Seattle/Tacoma Intl?

    Yes. Seattle/Tacoma Intl has hotels nearby for those requiring accommodations. Seatac Inn is the closest property to Seattle/Tacoma Intl (0.0 km away from Seattle/Tacoma Intl).

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
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Certainly. Search results for flights to Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Yes, Cheapflights offers price alerts on Seattle flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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