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Cheap flights from Australia to Seattle from $715

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
9 Jul — 16 Jul1
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 9 June 2026.

Mon 27/709:20
SYD
-
SEA
1 stop26h 12m
Air Canada
Tue 11/810:45
SEA
-
SYD
1 stop27h 35m
Air Canada
Deal found 5/6$1,154
Mon 27/709:20
SYD
-
SEA
1 stop26h 12m
Multiple Airlines
Tue 11/819:20
SEA
-
SYD
2 stops23h 20m
Multiple Airlines
Deal found 5/6$1,176
Tue 8/909:20
SYD
-
SEA
1 stop17h 32m
Air Canada
Tue 6/1015:00
SEA
-
SYD
1 stop23h 20m
Air Canada
Deal found 7/6$1,205
Mon 19/1010:00
BNE
-
SEA
1 stop21h 22m
Air Canada
Mon 2/1115:15
SEA
-
BNE
1 stop23h 30m
Air Canada
Deal found 7/6$1,218
Tue 8/906:00
SYD
-
SEA
2 stops20h 52m
Multiple Airlines
Tue 6/1015:00
SEA
-
SYD
1 stop23h 20m
Multiple Airlines
Deal found 7/6$1,218
Wed 29/710:00
BNE
-
SEA
1 stop17h 07m
Air Canada
Tue 1/910:45
SEA
-
BNE
1 stop27h 20m
Air Canada
Deal found 5/6$1,221
Tue 15/906:00
SYD
-
SEA
2 stops20h 52m
Multiple Airlines
Wed 23/915:00
SEA
-
SYD
1 stop23h 20m
Multiple Airlines
Deal found 6/6$1,234
Thu 12/1108:30
SYD
-
SEA
2 stops19h 47m
Air Canada
Thu 19/1115:15
SEA
-
SYD
1 stop23h 20m
Air Canada
Deal found 6/6$1,237
Mon 19/1010:00
BNE
-
SEA
1 stop21h 22m
Multiple Airlines
Mon 2/1119:05
SEA
-
BNE
2 stops24h 20m
Multiple Airlines
Deal found 7/6$1,242
Mon 14/920:45
BNE
-
SEA
2 stops30h 07m
Air Canada
Mon 9/1108:40
SEA
-
BNE
1 stop30h 05m
Air Canada
Deal found 6/6$1,245
Thu 30/710:15
BNE
-
SEA
1 stop16h 52m
Air Canada
Wed 12/815:00
SEA
-
BNE
1 stop23h 05m
Air Canada
Deal found 9/6$1,249
Wed 29/720:40
BNE
-
SEA
2 stops30h 27m
Multiple Airlines
Tue 1/910:45
SEA
-
BNE
1 stop27h 20m
Multiple Airlines
Deal found 5/6$1,251

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 9 June 2026.

Round-trip from

$1,154

One-way from

$715

Popular in

January

Cheapest in

August

Average price

$1,540
Air Canada
  • Air Canada
  • 27/7-11/8
  • 2 total stops
  • 53h 47m total
  • Australia to Seattle
Search Deals
17/9
  • 17/9
  • 2 total stops
  • 22h 21m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($140 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($45 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 9 June 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

Fri 7/8

09:30-23:10

2 stops30h 40m

Seattle/Tacoma Intl

Sat 22/8

17:20-08:15

1 stop21h 55m

$1,300

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 19/6

10:55-16:20

1 stop22h 25m

Seattle/Tacoma Intl

Fri 24/7

05:15-08:15

1 stop34h 00m

$1,302

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 10/7

10:55-16:20

1 stop22h 25m

Seattle/Tacoma Intl

Sat 25/7

08:45-08:15

1 stop30h 30m

$1,302

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 3/8

10:55-01:15

1 stop31h 20m

Seattle/Tacoma Intl

Sat 15/8

07:00-08:15

1 stop32h 15m

$1,303

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 19/6

10:00-16:47

1 stop23h 47m

Seattle/Tacoma Intl

Fri 24/7

07:15-07:50

2 stops31h 35m

$1,315

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 27/8

09:30-11:16

1 stop18h 46m

Seattle/Tacoma Intl

Sat 5/9

23:00-06:55

2 stops38h 55m

$1,363

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 13/7

09:30-21:10

2 stops28h 40m

Seattle/Tacoma Intl

Thu 30/7

14:33-07:00

2 stops23h 27m

$1,432

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 14/7

09:15-16:40

1 stop24h 25m

Seattle/Tacoma Intl

Thu 30/7

15:10-06:50

1 stop22h 40m

$1,451
Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 9/8

09:30-14:39

1 stop22h 09m

Seattle/Tacoma Intl

Mon 7/9

16:58-07:00

1 stop21h 02m

$1,451

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 13/7

10:00-22:42

1 stop29h 42m

Seattle/Tacoma Intl

Sun 19/7

05:45-07:05

1 stop32h 20m

$1,495

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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, December is the cheapest month in which you can book a flight from Australia to Seattle (average of $606). Flying from Australia to Seattle in October is currently the most expensive (average of $1,106). 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 79 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 9 June 2026.
Read through reviews of airlines operating flights from Australia to Seattle, such as Japan Airlines,Virgin Australia, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,836 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Makoto,May 2026

KIX - LAX

Everyone was so attentive and helpful. Food was tasty and the drink selection was great! I few economy but was treated like 1st class!
Japan Airlines
8.3
Very Good
1,836 reviews
Japan Airlines
8.3
Very Good
1,836 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Makoto,May 2026

KIX - LAX

Everyone was so attentive and helpful. Food was tasty and the drink selection was great! I few economy but was treated like 1st class!
Virgin Australia
7.6
Good
461 reviews
Japan Airlines
8.3
Very Good
1,836 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Makoto,May 2026

KIX - LAX

Everyone was so attentive and helpful. Food was tasty and the drink selection was great! I few economy but was treated like 1st class!
Qantas Airways
7.5
Good
1,046 reviews
Japan Airlines
8.3
Very Good
1,836 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Makoto,May 2026

KIX - LAX

Everyone was so attentive and helpful. Food was tasty and the drink selection was great! I few economy but was treated like 1st class!
United Airlines
7.4
Good
9,801 reviews
Japan Airlines
8.3
Very Good
1,836 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Makoto,May 2026

KIX - LAX

Everyone was so attentive and helpful. Food was tasty and the drink selection was great! I few economy but was treated like 1st class!
Air Canada
7.1
Good
11,154 reviews
Japan Airlines
8.3
Very Good
1,836 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Makoto,May 2026

KIX - LAX

Everyone was so attentive and helpful. Food was tasty and the drink selection was great! I few economy but was treated like 1st class!

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 23h 47m. The time it takes to get you to your destination can typically vary by up to 6h 53m. Australia and Seattle are separated by a distance of 13164 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 $578. 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 Sydney Kingsford Smith - Seattle/Tacoma Intl. You may also consider Melbourne - 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, December is the cheapest month in which you can book a flight from Australia to Seattle (average of $606). Flying from Australia to Seattle in October is currently the most expensive (average of $1,106). 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

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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 9 June 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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$688Average$1,331FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$934Average$1,378FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$951Average$1,295FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$959Average$1,395FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Hawaiian AirlinesCheapest$1,066Average$1,839FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Qantas AirwaysCheapest$1,067Average$1,664FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Alaska AirlinesCheapest$1,069Average$1,274FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
EVA AirCheapest$1,130Average$1,440FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Virgin AustraliaCheapest$1,133Average$1,514FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air New ZealandCheapest$1,174Average$1,585FlexibilityNo 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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