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Cheap flights from Australia to Seattle from $587

SYD — SEA
29 Nov — 6 Dec1
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

Thu 29/1021:40 -
2 stops26h 35m
Mon 23/1107:00 -
1 stop17h 45m
Deal found 26/10$1,246
Sun 22/1121:40 -
1 stop18h 45m
Mon 7/1207:00 -
1 stop17h 45m
Deal found 25/10$1,247
Thu 29/1011:10 -
2 stops21h 59m
Wed 11/1105:10 -
2 stops32h 50m
Deal found 25/10$1,273
Thu 29/1009:40 -
1 stop20h 55m
Wed 11/1117:47 -
1 stop42h 43m
Deal found 26/10$1,294
Thu 29/1021:40 -
1 stop17h 57m
Tue 24/1117:10 -
1 stop31h 35m
Deal found 26/10$1,296
Thu 29/1009:40 -
2 stops25h 10m
Wed 11/1117:47 -
1 stop42h 43m
Deal found 26/10$1,301
Thu 29/1021:40 -
2 stops26h 35m
Sun 22/1118:30 -
1 stop30h 15m
Deal found 26/10$1,303
Mon 2/1108:40 -
1 stop26h 05m
Mon 16/1121:30 -
1 stop41h 50m
Deal found 30/10$1,304
Wed 25/1111:10 -
2 stops28h 40m
Sat 5/1215:00 -
2 stops47h 00m
Deal found 27/10$1,306
Sat 31/1010:20 -
1 stop19h 00m
Fri 13/1117:23 -
1 stop20h 07m
Deal found 29/10$1,308
Mon 9/1111:10 -
1 stop23h 50m
Sun 22/1109:46 -
2 stops28h 14m
Deal found 28/10$1,308
Tue 24/1110:40 -
1 stop18h 25m
Mon 30/1117:48 -
2 stops43h 42m
Deal found 27/10$1,313

Find flight deals from Australia to Seattle

Round-trip from

$1,294

One-way from

$587

Popular in

September

Cheapest in

November

Average price

$1,452
American Airlines
  • American Airlines
  • 22/1-4/2
  • 2 total stops
  • 45h 20m total
  • Australia to Seattle
Search Deals
18/11-31/12
  • 18/11-31/12
  • 2 total stops
  • 23h 33m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($84 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($64 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
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

BrisbaneSeattle

BNE Brisbane - SEA Seattle/Tacoma Intl

BNESEA

Brisbane

Sun 31/1

11:25-15:14

3 stops45h 49m

Seattle/Tacoma Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$715

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 21/1

13:35-20:24

1 stop25h 49m

Seattle/Tacoma Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$771

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 24/11

11:20-20:56

3 stops52h 36m

Seattle/Tacoma Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$773

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 19/1

10:40-17:20

1 stop25h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$773

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 10/11

11:20-14:39

3 stops46h 19m

Seattle/Tacoma Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$773
Fastest return journey

BrisbaneSeattle

BNE Brisbane - SEA Seattle/Tacoma Intl

BNESEA

Brisbane

Tue 9/3

11:20-12:17

1 stop18h 57m

Seattle/Tacoma Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$780

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 18/1

13:20-09:49

2 stops39h 29m

Seattle/Tacoma Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$781

MelbourneSeattle

MEL Melbourne - SEA Seattle/Tacoma Intl

MELSEA

Melbourne

Sun 15/11

13:55-18:33

2 stops23h 38m

Seattle/Tacoma Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$786

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Fri 12/2

10:40-14:47

1 stop23h 07m

Seattle/Tacoma Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$857

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Fri 27/11

09:15-19:17

1 stop29h 02m

Seattle/Tacoma Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

$857

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 $1,264). Flying from Australia to Seattle in September is currently the most expensive (average of $1,817). 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 90 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

Read through reviews of airlines operating flights from Australia to Seattle, such as Singapore Airlines,Qantas Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,631 reviews
Check prices

Overall

8.2

Boarding

8.3

Food

7.8

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Singapore Airlines
8.2
Very Good
1,631 reviews
Singapore Airlines
8.2
Very Good
1,631 reviews
Check prices

Overall

8.2

Boarding

8.3

Food

7.8

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Qantas Airways
7.5
Good
1,122 reviews
Singapore Airlines
8.2
Very Good
1,631 reviews
Check prices

Overall

8.2

Boarding

8.3

Food

7.8

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
United Airlines
7.3
Good
10,460 reviews
Singapore Airlines
8.2
Very Good
1,631 reviews
Check prices

Overall

8.2

Boarding

8.3

Food

7.8

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Air Canada
7.1
Good
11,834 reviews
Singapore Airlines
8.2
Very Good
1,631 reviews
Check prices

Overall

8.2

Boarding

8.3

Food

7.8

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
American Airlines
7.0
Good
12,221 reviews
Singapore Airlines
8.2
Very Good
1,631 reviews
Check prices

Overall

8.2

Boarding

8.3

Food

7.8

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.

Related info for your journey

  • 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 Delta, United Airlines, and Qantas Airways fly from Australia to Seattle in about 19h 30m. The time it takes to get you to your destination can typically vary by up to 18h 10m. 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 $579. 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, March is the cheapest month in which you can book a flight from Australia to Seattle (average of $1,264). Flying from Australia to Seattle in September is currently the most expensive (average of $1,817). 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
Tukwila
Ocean Shores

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Fly from Australia to Seattle on these airlines

United Airlines flights from Australia to Seattle/Tacoma Intl

Top 9 airlines flying from Australia to Seattle

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$826Average$1,453FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$913Average$1,509FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AustraliaCheapest$920Average$1,622FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
United AirlinesCheapest$953Average$1,487FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$978Average$1,376FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapest$1,069Average$1,781FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Japan AirlinesCheapest$1,290Average$2,194FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Singapore AirlinesCheapest$1,517Average$1,808FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Hawaiian AirlinesCheapest$1,544Average$1,851FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

Fly with Cheapflights

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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