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Cheap flights from Australia to Seattle from $568

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
27 Aug — 3 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Seattle
Explore the most affordable flight options available from Australia to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 July 2026.

Thu 10/909:10
SYD
-
SEA
2 stops25h 24m
British Airways
Wed 23/917:02
SEA
-
SYD
1 stop21h 03m
British Airways
Deal found 27/7$1,251
Wed 9/913:15
SYD
-
SEA
2 stops22h 18m
Multiple Airlines
Wed 16/913:13
SEA
-
SYD
2 stops29h 37m
Multiple Airlines
Deal found 26/7$1,270
Tue 25/820:45
SYD
-
SEA
1 stop28h 28m
Alaska Airlines
Wed 9/907:20
SEA
-
SYD
1 stop18h 30m
Alaska Airlines
Deal found 27/7$1,284
Thu 10/909:10
SYD
-
SEA
2 stops23h 48m
American Airlines
Wed 23/911:22
SEA
-
SYD
2 stops26h 43m
American Airlines
Deal found 27/7$1,289
Tue 25/809:10
SYD
-
SEA
2 stops24h 31m
American Airlines
Wed 9/911:22
SEA
-
SYD
2 stops26h 43m
American Airlines
Deal found 27/7$1,292
Wed 9/909:10
SYD
-
SEA
1 stop23h 47m
American Airlines
Wed 16/917:02
SEA
-
SYD
1 stop21h 03m
American Airlines
Deal found 27/7$1,304
Wed 9/909:15
SYD
-
SEA
2 stops22h 35m
Delta
Wed 16/909:40
SEA
-
SYD
2 stops28h 10m
Delta
Deal found 28/7$1,317
Thu 30/710:55
MEL
-
SEA
1 stop20h 35m
United Airlines
Wed 12/817:20
SEA
-
MEL
1 stop21h 55m
United Airlines
Deal found 27/7$1,323
Thu 10/909:10
SYD
-
SEA
1 stop26h 23m
Multiple Airlines
Wed 23/916:59
SEA
-
SYD
1 stop21h 06m
Multiple Airlines
Deal found 27/7$1,326
Sun 9/809:30
MEL
-
SEA
2 stops28h 40m
United Airlines
Sat 22/815:30
SEA
-
MEL
1 stop23h 45m
United Airlines
Deal found 27/7$1,336
Thu 15/1014:15
SYD
-
SEA
2 stops22h 11m
Multiple Airlines
Thu 12/1111:06
SEA
-
SYD
1 stop24h 19m
Multiple Airlines
Deal found 27/7$1,340
Mon 14/920:35
BNE
-
SEA
1 stop19h 05m
Qantas Airways
Mon 21/916:59
SEA
-
BNE
1 stop19h 01m
Qantas Airways
Deal found 28/7$1,411

Find flight deals from Australia to Seattle

Keep the following information in mind while searching for Australia to Seattle flight deals. Data was last updated 28 July 2026.

Round-trip from

$1,251

One-way from

$568

Popular in

January

Cheapest in

August

Average price

$1,555
British Airways
  • British Airways
  • 10/9-23/9
  • 3 total stops
  • 46h 27m total
  • Australia to Seattle
Search Deals
29/10
  • 29/10
  • 2 total stops
  • 22h 26m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 July 2026.
Use the filters below to find and compare flights from Australia to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 2/8

10:55-21:10

2 stops27h 15m

Seattle/Tacoma Intl

Sun 16/8

09:05-08:15

1 stop30h 10m

$1,323

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 9/8

10:55-20:53

1 stop26h 58m

Seattle/Tacoma Intl

Sat 22/8

13:16-08:15

1 stop25h 59m

$1,336

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/9

10:20-16:14

1 stop22h 54m

Seattle/Tacoma Intl

Mon 14/9

18:52-07:00

1 stop19h 08m

$1,392

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 27/8

09:15-16:54

2 stops24h 39m

Seattle/Tacoma Intl

Thu 3/9

05:45-06:50

2 stops32h 05m

$1,393

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/9

10:20-11:21

1 stop18h 01m

Seattle/Tacoma Intl

Sat 12/9

13:16-06:55

1 stop24h 39m

$1,428

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/9

10:20-20:43

1 stop27h 23m

Seattle/Tacoma Intl

Fri 11/9

18:52-07:00

1 stop19h 08m

$1,429

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 17/8

09:30-11:34

1 stop19h 04m

Seattle/Tacoma Intl

Sat 29/8

12:15-07:00

1 stop25h 45m

$1,438
Fastest return journey

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 14/9

20:35-22:59

1 stop19h 24m

Seattle/Tacoma Intl

Mon 21/9

13:41-05:00

2 stops22h 19m

$1,456

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 11/9

09:15-18:36

2 stops26h 21m

Seattle/Tacoma Intl

Fri 18/9

05:45-06:50

2 stops32h 05m

$1,469

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 2/9

10:00-12:27

1 stop19h 27m

Seattle/Tacoma Intl

Sun 13/9

13:24-07:50

2 stops49h 26m

$1,487

Flights are sorted by cheapest return flights first.

Deals found on 25/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Australia to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Australia 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 from Australia to Seattle

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

Currently, March is the cheapest month in which you can book a flight from Australia to Seattle (average of $1,256). Flying from Australia to Seattle in May is currently the most expensive (average of $1,610). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from Australia to Seattle?

To ensure you get the cheapest price possible for a flight from Australia to Seattle, you should look to book at least 8 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.

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 28 July 2026.
Read through reviews of airlines operating flights from Australia to Seattle, such as Virgin Australia,Qantas Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Australia
7.6
Good
466 reviews
Check prices

Entertainment

6.4

Boarding

7.8

Crew

8.2

Comfort

7.5

Food

6.4

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Virgin Australia
7.6
Good
466 reviews
Virgin Australia
7.6
Good
466 reviews
Check prices

Entertainment

6.4

Boarding

7.8

Crew

8.2

Comfort

7.5

Food

6.4

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Qantas Airways
7.5
Good
1,073 reviews
Virgin Australia
7.6
Good
466 reviews
Check prices

Entertainment

6.4

Boarding

7.8

Crew

8.2

Comfort

7.5

Food

6.4

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
United Airlines
7.4
Good
10,052 reviews
Virgin Australia
7.6
Good
466 reviews
Check prices

Entertainment

6.4

Boarding

7.8

Crew

8.2

Comfort

7.5

Food

6.4

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
American Airlines
7.1
Good
11,839 reviews
Virgin Australia
7.6
Good
466 reviews
Check prices

Entertainment

6.4

Boarding

7.8

Crew

8.2

Comfort

7.5

Food

6.4

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Air Canada
7.1
Good
11,404 reviews
Virgin Australia
7.6
Good
466 reviews
Check prices

Entertainment

6.4

Boarding

7.8

Crew

8.2

Comfort

7.5

Food

6.4

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Related info for your journey

Find useful and relevant information for your journey from Australia to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Australia to Seattle. It is only a 18.4 km journey from Seattle/Tacoma Intl (SEA) to Seattle’s city centre.

  • How long is the flight from Australia to Seattle?

    Airlines like United Airlines, Delta, and Air Canada fly from Australia to Seattle in about 24h 39m. The time it takes to get you to your destination can typically vary by up to 7h 21m. Australia and Seattle are separated by a distance of 12463 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Australia to Seattle one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $584. However, be on the lookout for offers from Air Canada and Hawaiian Airlines, as they are both options that can get you from Australia to Seattle for a low price.

  • What are the most popular routes from Australia to Seattle?

    The most popular route from Australia to Seattle is Melbourne - Seattle/Tacoma Intl. You may also consider Sydney Kingsford Smith - Seattle/Tacoma Intl or Brisbane - Seattle/Tacoma Intl.

  • Can I find deals for flights from Australia to Seattle that include hotel bookings?

    Yes. In addition to deals on Australia to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Seattle.

  • Can I find deals for business class flights from Australia to Seattle?

    Yes. Cheapflights offers flight deals from Australia to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, March is the cheapest month in which you can book a flight from Australia to Seattle (average of $1,256). Flying from Australia to Seattle in May is currently the most expensive (average of $1,610). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Ocean Shores
Tukwila

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Fly from Australia to Seattle on these airlines

Choose from the following airlines for your flight from Australia to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 28 July 2026.
United Airlines flights from Australia to Seattle/Tacoma Intl

Top 10 airlines flying from Australia to Seattle

Discover the top 10 airlines that operate flights from Australia to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 July 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$776Average$1,386FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$833Average$1,434FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$957Average$1,403FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$961Average$1,346FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$970Average$1,511FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Hawaiian AirlinesCheapest$1,053Average$1,854FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Qantas AirwaysCheapest$1,079Average$1,723FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Japan AirlinesCheapest$1,296Average$2,075FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
ANACheapest$1,314Average$1,582FlexibilityNo cancel feeOn-time80%
Search ANA flights
Air New ZealandCheapest$1,406Average$1,658FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

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 Australia to Seattle?

Cheapflights makes it easy to find Australia to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Seattle from Australia 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 Australia to Seattle with no change fees?

Yes, we can. To see specific flights from Australia to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Australia today and book when prices fit your budget.

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