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Cheap flights from Australia to Seattle from $765

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
27 Jul — 3 Aug1
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 27 June 2026.

Sun 1/1114:05
SYD
-
SEA
1 stop38h 40m
American Airlines
Tue 3/1106:05
SEA
-
SYD
1 stop31h 55m
American Airlines
Deal found 23/6$1,216
Thu 23/713:15
SYD
-
SEA
3 stops37h 02m
Multiple Airlines
Wed 5/810:34
SEA
-
SYD
2 stops42h 36m
Multiple Airlines
Deal found 22/6$1,237
Wed 19/813:15
SYD
-
SEA
2 stops25h 24m
Multiple Airlines
Wed 21/1006:28
SEA
-
SYD
2 stops36h 22m
Multiple Airlines
Deal found 22/6$1,267
Thu 5/1114:00
SYD
-
SEA
2 stops27h 46m
Multiple Airlines
Wed 11/1106:00
SEA
-
SYD
2 stops36h 40m
Multiple Airlines
Deal found 24/6$1,274
Sat 8/810:55
MEL
-
SEA
2 stops53h 15m
United Airlines
Thu 20/819:35
SEA
-
MEL
1 stop19h 40m
United Airlines
Deal found 25/6$1,306
Fri 24/709:30
MEL
-
SEA
2 stops39h 30m
United Airlines
Fri 31/720:05
SEA
-
MEL
2 stops43h 10m
United Airlines
Deal found 26/6$1,308
Thu 23/720:45
SYD
-
SEA
1 stop20h 14m
Multiple Airlines
Mon 31/807:20
SEA
-
SYD
1 stop18h 30m
Multiple Airlines
Deal found 25/6$1,319
Sat 8/810:55
MEL
-
SEA
2 stops38h 00m
United Airlines
Wed 26/812:44
SEA
-
MEL
2 stops25h 46m
United Airlines
Deal found 23/6$1,325
Sat 27/610:55
MEL
-
SEA
2 stops38h 00m
United Airlines
Sat 4/705:00
SEA
-
MEL
2 stops34h 15m
United Airlines
Deal found 22/6$1,326
Mon 3/810:55
MEL
-
SEA
1 stop22h 25m
United Airlines
Sat 5/915:30
SEA
-
MEL
1 stop23h 45m
United Airlines
Deal found 23/6$1,340
Mon 13/709:10
SYD
-
SEA
1 stop29h 35m
American Airlines
Tue 28/713:57
SEA
-
SYD
1 stop23h 58m
American Airlines
Deal found 27/6$1,351
Mon 10/812:00
SYD
-
SEA
1 stop21h 41m
American Airlines
Mon 17/807:11
SEA
-
SYD
1 stop30h 54m
American Airlines
Deal found 25/6$1,353

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 27 June 2026.

Round-trip from

$1,216

One-way from

$765

Popular in

January

Cheapest in

August

Average price

$1,574
American Airlines
  • American Airlines
  • 1/11-3/11
  • 2 total stops
  • 70h 35m total
  • Australia to Seattle
Search Deals
18/11
  • 18/11
  • 3 total stops
  • 45h 26m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($103 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($33 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 27 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

Sun 2/8

09:30-22:42

2 stops30h 12m

Seattle/Tacoma Intl

Sat 15/8

17:20-08:15

1 stop21h 55m

$1,306

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 16/8

09:30-15:52

2 stops23h 22m

Seattle/Tacoma Intl

Fri 28/8

12:44-07:30

2 stops25h 46m

$1,306

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 8/8

10:55-23:10

2 stops53h 15m

Seattle/Tacoma Intl

Mon 24/8

19:35-08:15

1 stop19h 40m

$1,325

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 8/8

10:55-23:10

2 stops53h 15m

Seattle/Tacoma Intl

Sat 22/8

23:59-08:15

2 stops39h 16m

$1,325

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 11/8

10:55-20:43

1 stop26h 48m

Seattle/Tacoma Intl

Sun 23/8

10:55-08:15

1 stop28h 20m

$1,326

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 3/8

10:55-16:20

1 stop22h 25m

Seattle/Tacoma Intl

Sat 5/9

15:30-08:15

1 stop23h 45m

$1,341

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 13/7

10:20-01:15

1 stop31h 55m

Seattle/Tacoma Intl

Tue 28/7

19:05-06:55

1 stop18h 50m

$1,367

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 23/7

09:15-22:00

2 stops29h 45m

Seattle/Tacoma Intl

Mon 31/8

11:05-06:50

2 stops26h 45m

$1,376

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/9

10:20-14:24

1 stop21h 04m

Seattle/Tacoma Intl

Tue 6/10

06:30-08:00

1 stop31h 30m

$1,376

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 24/7

10:00-12:30

1 stop19h 30m

Seattle/Tacoma Intl

Fri 31/7

07:15-07:50

1 stop31h 35m

$1,377

Flights are sorted by cheapest return flights first.

Deals found on 25/6

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 $619). Flying from Australia to Seattle in October is currently the most expensive (average of $1,131). 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 27 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
1,851 reviews
Check prices

Boarding

8.4

Comfort

8.2

Overall

8.3

Food

7.7

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
Japan Airlines
8.3
Very Good
1,851 reviews
Japan Airlines
8.3
Very Good
1,851 reviews
Check prices

Boarding

8.4

Comfort

8.2

Overall

8.3

Food

7.7

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
Virgin Australia
7.6
Good
462 reviews
Japan Airlines
8.3
Very Good
1,851 reviews
Check prices

Boarding

8.4

Comfort

8.2

Overall

8.3

Food

7.7

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
Qantas Airways
7.5
Good
1,050 reviews
Japan Airlines
8.3
Very Good
1,851 reviews
Check prices

Boarding

8.4

Comfort

8.2

Overall

8.3

Food

7.7

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
United Airlines
7.4
Good
9,898 reviews
Japan Airlines
8.3
Very Good
1,851 reviews
Check prices

Boarding

8.4

Comfort

8.2

Overall

8.3

Food

7.7

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.
Air Canada
7.1
Good
11,269 reviews
Japan Airlines
8.3
Very Good
1,851 reviews
Check prices

Boarding

8.4

Comfort

8.2

Overall

8.3

Food

7.7

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
4.0
Okay

Paul,June 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.

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 21h 07m. The time it takes to get you to your destination can typically vary by up to 9h 05m. 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 United Airlines, with whom users have recently found tickets for as low as $591. 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 Adelaide - 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 $619). Flying from Australia to Seattle in October is currently the most expensive (average of $1,131). 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 27 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 27 June 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$785Average$1,372FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$968Average$1,409FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$972Average$1,336FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$981Average$1,434FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Hawaiian AirlinesCheapest$1,090Average$1,880FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Qantas AirwaysCheapest$1,091Average$1,731FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Virgin AustraliaCheapest$1,159Average$1,546FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air New ZealandCheapest$1,201Average$1,620FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Japan AirlinesCheapest$1,315Average$2,066FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
ANACheapest$1,329Average$1,623FlexibilityNo cancel feeOn-time80%
Search ANA 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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