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Cheap flights from Australia to Seattle from $556

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
16 Mar — 23 Mar1
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 14 February 2026.

Wed 4/319:40
BNE
-
SEA
1 stop18h 18m
Qantas Airways
Mon 23/314:53
SEA
-
BNE
1 stop21h 07m
Qantas Airways
Deal found 10/2$933
Fri 6/309:40
BNE
-
SEA
1 stop24h 17m
American Airlines
Mon 9/306:00
SEA
-
BNE
1 stop30h 00m
American Airlines
Deal found 9/2$943
Fri 13/219:40
BNE
-
SEA
1 stop21h 08m
American Airlines
Sat 28/205:37
SEA
-
BNE
2 stops29h 23m
American Airlines
Deal found 11/2$944
Wed 4/311:05
BNE
-
SEA
2 stops21h 39m
Delta
Mon 23/311:25
SEA
-
BNE
2 stops26h 55m
Delta
Deal found 10/2$957
Thu 19/209:40
BNE
-
SEA
1 stop24h 17m
Qantas Airways
Fri 13/317:00
SEA
-
BNE
1 stop43h 30m
Qantas Airways
Deal found 12/2$1,008
Fri 20/210:45
BNE
-
SEA
1 stop21h 46m
Air Canada
Tue 24/220:00
SEA
-
BNE
1 stop18h 45m
Air Canada
Deal found 11/2$1,059
Fri 20/211:40
BNE
-
SEA
2 stops27h 32m
United Airlines
Tue 24/219:29
SEA
-
BNE
1 stop18h 01m
United Airlines
Deal found 11/2$1,074
Thu 19/211:40
BNE
-
SEA
2 stops42h 09m
United Airlines
Fri 13/317:20
SEA
-
BNE
1 stop20h 10m
United Airlines
Deal found 12/2$1,076
Wed 18/314:00
SYD
-
SEA
2 stops22h 51m
Multiple Airlines
Tue 31/309:08
SEA
-
SYD
2 stops33h 42m
Multiple Airlines
Deal found 13/2$1,128
Thu 5/311:20
SYD
-
SEA
1 stop17h 15m
Air Canada
Wed 18/315:40
SEA
-
SYD
1 stop22h 55m
Air Canada
Deal found 13/2$1,165
Fri 29/510:00
MEL
-
SEA
1 stop29h 52m
Delta
Wed 24/609:30
SEA
-
MEL
1 stop29h 20m
Delta
Deal found 10/2$1,169
Wed 18/310:20
SYD
-
SEA
1 stop17h 15m
Air Canada
Tue 31/320:00
SEA
-
SYD
1 stop18h 20m
Air Canada
Deal found 13/2$1,172

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 14 February 2026.

Round-trip from

$933

One-way from

$556

Popular in

July

Cheapest in

August

Average price

$1,417
Qantas Airways
  • Qantas Airways
  • 4/3-23/3
  • 2 total stops
  • 39h 25m total
  • Australia to Seattle
Search Deals
Qantas Airways
  • Qantas Airways
  • 6/3
  • 1 total stop
  • 21h 08m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($89 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($61 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 14 February 2026.
Use the filters below to find and compare flights from Australia to Seattle that are best for you.

Fly from

Australia

Fly to

Seattle

Route

Depart

Return

Price

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 6/3

09:40-20:28

2 stops28h 48m

Seattle/Tacoma Intl

Mon 9/3

18:22-05:30

2 stops42h 08m

$946

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Wed 4/3

11:05-16:48

2 stops23h 43m

Seattle/Tacoma Intl

Mon 23/3

09:40-07:20

1 stop28h 40m

$957

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 3/5

10:00-18:26

1 stop25h 26m

Seattle/Tacoma Intl

Fri 5/6

13:30-07:50

2 stops25h 20m

$1,162

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 1/5

10:00-18:26

1 stop25h 26m

Seattle/Tacoma Intl

Mon 1/6

13:30-07:50

2 stops25h 20m

$1,162

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 1/5

10:00-18:26

1 stop25h 26m

Seattle/Tacoma Intl

Wed 3/6

13:30-07:50

2 stops25h 20m

$1,162

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 1/5

10:00-18:30

2 stops25h 30m

Seattle/Tacoma Intl

Fri 5/6

14:39-07:50

1 stop24h 11m

$1,162

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 28/5

09:20-14:20

1 stop22h 00m

Seattle/Tacoma Intl

Thu 18/6

19:20-07:20

1 stop19h 00m

$1,172

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

10:00-12:35

1 stop19h 35m

Seattle/Tacoma Intl

Wed 24/6

07:20-07:50

1 stop31h 30m

$1,172

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 5/3

09:00-15:01

2 stops25h 01m

Seattle/Tacoma Intl

Wed 18/3

20:00-15:55

2 stops25h 55m

$1,230

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 13/3

10:20-19:16

1 stop26h 56m

Seattle/Tacoma Intl

Sat 28/3

20:00-08:20

1 stop18h 20m

$1,265

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Australia to Seattle (average of $810). Flying from Australia to Seattle in June is currently the most expensive (average of $1,123). 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.

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 14 February 2026.
Read through reviews of airlines operating flights from Australia to Seattle, such as Singapore Airlines, Qantas Airways, andVirgin Australia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,453 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.0

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.2
Very Good
1,453 reviews
Singapore Airlines
8.2
Very Good
1,453 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.0

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Qantas Airways
7.5
Good
989 reviews
Singapore Airlines
8.2
Very Good
1,453 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.0

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Virgin Australia
7.5
Good
439 reviews
Singapore Airlines
8.2
Very Good
1,453 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.0

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
United Airlines
7.4
Good
9,293 reviews
Singapore Airlines
8.2
Very Good
1,453 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.0

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Air Canada
7.1
Good
10,717 reviews
Singapore Airlines
8.2
Very Good
1,453 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.0

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

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 American Airlines, Delta, and Air Canada fly from Australia to Seattle in about 22h. The time it takes to get you to your destination can typically vary by up to 6h 48m. 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 Air Canada, with whom users have recently found tickets for as low as $561. However, be on the lookout for offers from Qantas Airways and United 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, January is the cheapest month in which you can book a flight from Australia to Seattle (average of $810). Flying from Australia to Seattle in June is currently the most expensive (average of $1,123). 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
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 14 February 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 14 February 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$686Average$1,965FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air New ZealandCheapest$867Average$1,472FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$944Average$1,383FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$948Average$1,464FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$957Average$1,275FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AustraliaCheapest$1,062Average$1,738FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,064Average$1,622FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Alaska AirlinesCheapest$1,107Average$1,720FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapest$1,158Average$1,752FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Philippine AirlinesCheapest$1,180Average$1,467FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines 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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