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$644+ 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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
6 Jul — 13 Jul1
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 1 July 2025.

Return from

$1,238

One-way from

$644

Popular in

December

Cheapest in

February

Average price

$1,972
Alaska Airlines
  • Alaska Airlines
  • 13/8-20/8
  • 2 total stops
  • 50h 46m total
  • Sydney to Seattle
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27/8
  • 27/8
  • 2 total stops
  • 31h 55m total
  • Sydney to Seattle
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Highest demand for flights based on searches. 8% potential increase in price ($238 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($66 potential savings vs. average return price).
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Average for return flights in July 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 1 July 2025.

Thu 20/1111:20SYD - SEA
1 stop22h 06mAir Canada
Fri 28/1110:05SEA - SYD
1 stop28h 30mAir Canada
Deal found 28/6$1,230
Wed 13/816:20SYD - SEA
1 stop30h 40mMultiple Airlines
Wed 20/817:59SEA - SYD
1 stop20h 06mMultiple Airlines
Deal found 29/6$1,238
Sat 6/1212:10SYD - SEA
1 stop25h 14mUnited Airlines
Thu 1/116:30SEA - SYD
1 stop18h 50mUnited Airlines
Deal found 28/6$1,320
Thu 4/1210:40SYD - SEA
2 stops25h 18mDelta
Mon 29/1219:50SEA - SYD
1 stop40h 00mDelta
Deal found 28/6$1,322
Thu 14/821:40SYD - SEA
1 stop25h 20mAlaska Airlines
Thu 21/820:35SEA - SYD
1 stop30h 10mAlaska Airlines
Deal found 30/6$1,380
Sun 9/1110:30SYD - SEA
1 stop22h 25mAsiana Airlines
Sat 15/1100:10SEA - SYD
1 stop37h 20mAsiana Airlines
Deal found 30/6$1,381
Thu 14/821:40SYD - SEA
1 stop25h 20mHawaiian Airlines
Thu 21/815:55SEA - SYD
1 stop34h 50mHawaiian Airlines
Deal found 30/6$1,392
Tue 2/1211:15SYD - SEA
2 stops40h 00mAmerican Airlines
Thu 1/108:05SEA - SYD
2 stops29h 55mAmerican Airlines
Deal found 28/6$1,426
Sat 26/708:45SYD - SEA
2 stops30h 31mAir New Zealand
Sun 27/706:45SEA - SYD
2 stops34h 50mAir New Zealand
Deal found 27/6$1,432
Sat 6/1217:45SYD - SEA
1 stop20h 06mQantas Airways
Sat 14/206:00SEA - SYD
1 stop32h 00mQantas Airways
Deal found 29/6$1,447

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 1 July 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 20/11

11:20-14:26

1 stop22h 06m

Seattle/Tacoma Intl

Fri 28/11

10:05-09:35

1 stop28h 30m

$1,230

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 13/8

16:20-06:00

1 stop30h 40m

Seattle/Tacoma Intl

Wed 20/8

17:59-07:05

1 stop20h 06m

$1,238

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 6/12

11:20-18:10

2 stops25h 50m

Seattle/Tacoma Intl

Sat 7/2

15:25-06:20

1 stop19h 55m

$1,320

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 4/12

10:40-13:00

1 stop21h 20m

Seattle/Tacoma Intl

Sun 8/2

11:25-08:30

2 stops26h 05m

$1,322

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 14/8

21:40-06:00

1 stop25h 20m

Seattle/Tacoma Intl

Thu 21/8

20:35-19:45

1 stop30h 10m

$1,380

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 9/11

10:30-13:55

1 stop22h 25m

Seattle/Tacoma Intl

Sat 15/11

00:10-08:30

1 stop37h 20m

$1,381

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 14/8

21:40-06:00

1 stop25h 20m

Seattle/Tacoma Intl

Thu 21/8

15:55-19:45

1 stop34h 50m

$1,392

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 2/12

11:15-08:15

2 stops40h 00m

Seattle/Tacoma Intl

Thu 1/1

08:05-09:00

2 stops29h 55m

$1,426

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 26/7

08:45-22:16

2 stops30h 31m

Seattle/Tacoma Intl

Sun 27/7

06:45-10:35

2 stops34h 50m

$1,432

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 6/12

17:45-18:51

1 stop20h 06m

Seattle/Tacoma Intl

Sat 14/2

06:00-09:00

1 stop32h 00m

$1,447

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 19 results
1
2

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 27 June 2025.

The best time to book flights to Seattle is 31 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 22 hours 16 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 Qantas Airways.

United Airlines
United Airlines
From $794
Air Canada
Air Canada
From $808
Singapore Airlines
Singapore Airlines
From $930
Qantas Airways
Qantas Airways
From $793

What are the cheapest airlines that fly to Seattle?

The cheapest airlines flying from Sydney to Seattle are Alaska Airlines, United Airlines 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 1 July 2025.
See what other customers who have flown with Air Tahiti Nui, ANA, andChina Airlines to the United States have to say. 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

Entertainment

7.3

Crew

9.0

Boarding

8.7

Overall

8.7

Comfort

8.1

Food

7.8

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

Entertainment

7.3

Crew

9.0

Boarding

8.7

Overall

8.7

Comfort

8.1

Food

7.8

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
8.4
Very Good
892 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Crew

9.0

Boarding

8.7

Overall

8.7

Comfort

8.1

Food

7.8

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

Entertainment

7.3

Crew

9.0

Boarding

8.7

Overall

8.7

Comfort

8.1

Food

7.8

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

Entertainment

7.3

Crew

9.0

Boarding

8.7

Overall

8.7

Comfort

8.1

Food

7.8

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.
Singapore Airlines
8.1
Very Good
1,319 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Crew

9.0

Boarding

8.7

Overall

8.7

Comfort

8.1

Food

7.8

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, Alaska 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 $82, while return flights cost around $284.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around $226, however they can be found for as little as $186.

  • Where does the fastest flight to Seattle depart from?

    For those looking to save time traveling to Seattle, Brisbane offers the quickest one-way flight (18 hours 17 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
Leavenworth

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle.

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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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