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Cheap flights from Australia to Seattle from $571

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
27 Feb — 6 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 28 January 2026.

Thu 5/319:40
BNE
-
SEA
1 stop18h 18m
Qantas Airways
Thu 12/316:50
SEA
-
BNE
1 stop19h 10m
Qantas Airways
Deal found 27/1$927
Fri 6/319:40
BNE
-
SEA
1 stop21h 08m
American Airlines
Mon 9/306:53
SEA
-
BNE
2 stops29h 07m
American Airlines
Deal found 26/1$943
Thu 5/309:40
BNE
-
SEA
2 stops26h 03m
American Airlines
Thu 12/306:00
SEA
-
BNE
1 stop30h 00m
American Airlines
Deal found 27/1$944
Mon 2/311:40
BNE
-
SEA
1 stop27h 21m
United Airlines
Sat 2/523:59
SEA
-
BNE
2 stops37h 31m
United Airlines
Deal found 26/1$1,069
Thu 5/311:40
BNE
-
SEA
1 stop17h 44m
United Airlines
Thu 12/309:20
SEA
-
BNE
1 stop28h 10m
United Airlines
Deal found 25/1$1,071
Fri 15/510:00
MEL
-
SEA
2 stops21h 45m
Delta
Mon 25/509:40
SEA
-
MEL
2 stops29h 10m
Delta
Deal found 24/1$1,160
Fri 29/510:00
MEL
-
SEA
1 stop19h 58m
Delta
Wed 24/607:20
SEA
-
MEL
2 stops31h 30m
Delta
Deal found 26/1$1,167
Wed 11/210:10
MEL
-
SEA
1 stop23h 44m
Delta
Thu 26/216:40
SEA
-
MEL
2 stops44h 20m
Delta
Deal found 27/1$1,169
Fri 1/510:00
BNE
-
SEA
1 stop25h 30m
Air Canada
Mon 11/509:55
SEA
-
BNE
1 stop28h 10m
Air Canada
Deal found 26/1$1,267
Tue 10/314:00
SYD
-
SEA
2 stops23h 58m
Multiple Airlines
Sun 22/322:30
SEA
-
SYD
1 stop41h 20m
Multiple Airlines
Deal found 27/1$1,274
Thu 12/307:10
MEL
-
SEA
2 stops20h 25m
Multiple Airlines
Thu 19/320:00
SEA
-
MEL
2 stops22h 25m
Multiple Airlines
Deal found 26/1$1,275
Sat 16/510:55
MEL
-
SEA
2 stops24h 06m
United Airlines
Sun 24/511:44
SEA
-
MEL
1 stop27h 31m
United Airlines
Deal found 24/1$1,301

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 January 2026.

Round-trip from

$927

One-way from

$571

Popular in

July

Cheapest in

August

Average price

$1,837
Qantas Airways
  • Qantas Airways
  • 5/3-12/3
  • 2 total stops
  • 37h 28m total
  • Australia to Seattle
Search Deals
Delta
  • Delta
  • 8/2
  • 1 total stop
  • 22h 14m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($76 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($58 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 January 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

19:40-22:48

1 stop21h 08m

Seattle/Tacoma Intl

Mon 9/3

06:53-05:00

2 stops29h 07m

$943

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Thu 5/3

09:40-17:43

2 stops26h 03m

Seattle/Tacoma Intl

Thu 12/3

06:00-05:00

1 stop30h 00m

$944

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Thu 12/3

10:40-22:59

2 stops29h 19m

Seattle/Tacoma Intl

Thu 19/3

09:20-06:30

1 stop28h 10m

$1,069

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 2/3

11:40-22:43

2 stops29h 03m

Seattle/Tacoma Intl

Sat 2/5

23:59-06:30

2 stops37h 31m

$1,069

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Thu 5/3

11:40-11:24

1 stop17h 44m

Seattle/Tacoma Intl

Thu 12/3

06:45-06:30

2 stops30h 45m

$1,071

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

10:00-16:52

2 stops23h 52m

Seattle/Tacoma Intl

Wed 24/6

09:40-07:50

2 stops29h 10m

$1,167

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 11/2

10:10-18:42

1 stop27h 32m

Seattle/Tacoma Intl

Thu 26/2

19:59-08:00

1 stop41h 01m

$1,169

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 13/3

09:10-16:41

2 stops25h 31m

Seattle/Tacoma Intl

Fri 20/3

07:15-07:00

1 stop29h 45m

$1,169

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 14/3

07:10-09:31

2 stops20h 21m

Seattle/Tacoma Intl

Sat 21/3

20:00-15:30

2 stops25h 30m

$1,259

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Thu 30/4

10:00-09:33

1 stop16h 33m

Seattle/Tacoma Intl

Mon 11/5

15:00-11:30

2 stops27h 30m

$1,334

Flights are sorted by cheapest return flights first.

Deals found on 26/1

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 $825). Flying from Australia to Seattle in July is currently the most expensive (average of $1,154). 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 28 January 2026.
Read through reviews of airlines operating flights from Australia to Seattle, such as Singapore Airlines, Virgin Australia, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,439 reviews
Check prices

Overall

8.2

Comfort

8.0

Crew

8.6

Food

7.8

Boarding

8.3

Entertainment

8.0

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
1,439 reviews
Singapore Airlines
8.2
Very Good
1,439 reviews
Check prices

Overall

8.2

Comfort

8.0

Crew

8.6

Food

7.8

Boarding

8.3

Entertainment

8.0

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
7.6
Good
432 reviews
Singapore Airlines
8.2
Very Good
1,439 reviews
Check prices

Overall

8.2

Comfort

8.0

Crew

8.6

Food

7.8

Boarding

8.3

Entertainment

8.0

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
978 reviews
Singapore Airlines
8.2
Very Good
1,439 reviews
Check prices

Overall

8.2

Comfort

8.0

Crew

8.6

Food

7.8

Boarding

8.3

Entertainment

8.0

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
9,211 reviews
Singapore Airlines
8.2
Very Good
1,439 reviews
Check prices

Overall

8.2

Comfort

8.0

Crew

8.6

Food

7.8

Boarding

8.3

Entertainment

8.0

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
10,666 reviews
Singapore Airlines
8.2
Very Good
1,439 reviews
Check prices

Overall

8.2

Comfort

8.0

Crew

8.6

Food

7.8

Boarding

8.3

Entertainment

8.0

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 Qantas Airways fly from Australia to Seattle in about 21h 08m. The time it takes to get you to your destination can typically vary by up to 2h 44m. Australia and Seattle are separated by a distance of 11822 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 $571. 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 Brisbane - Seattle/Tacoma Intl or Melbourne - 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 $825). Flying from Australia to Seattle in July is currently the most expensive (average of $1,154). 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 28 January 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 January 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$698Average$1,841FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air New ZealandCheapest$882Average$1,498FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$961Average$1,416FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$968Average$1,525FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$974Average$1,298FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AustraliaCheapest$1,082Average$1,832FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,083Average$1,653FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Alaska AirlinesCheapest$1,085Average$1,671FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapest$1,169Average$1,751FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Philippine AirlinesCheapest$1,190Average$1,476FlexibilityNo 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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