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Cheap flights from Australia to Seattle from $790

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
1 Jun — 8 Jun1
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 2 May 2026.

Wed 6/510:55
MEL
-
SEA
2 stops24h 05m
United Airlines
Tue 26/519:05
SEA
-
MEL
1 stop20h 10m
United Airlines
Deal found 29/4$1,291
Wed 6/509:30
MEL
-
SEA
1 stop19h 07m
United Airlines
Wed 13/513:21
SEA
-
MEL
1 stop25h 54m
United Airlines
Deal found 26/4$1,292
Fri 29/510:55
MEL
-
SEA
1 stop20h 35m
United Airlines
Wed 24/610:29
SEA
-
MEL
1 stop28h 46m
United Airlines
Deal found 1/5$1,294
Fri 8/510:00
MEL
-
SEA
1 stop19h 23m
Delta
Thu 28/519:59
SEA
-
MEL
2 stops42h 51m
Delta
Deal found 29/4$1,301
Thu 7/510:55
MEL
-
SEA
1 stop18h 30m
United Airlines
Thu 14/513:21
SEA
-
MEL
1 stop25h 54m
United Airlines
Deal found 27/4$1,304
Wed 27/510:00
MEL
-
SEA
2 stops23h 44m
Delta
Wed 3/611:00
SEA
-
MEL
2 stops27h 50m
Delta
Deal found 29/4$1,308
Mon 4/509:10
SYD
-
SEA
2 stops25h 39m
American Airlines
Mon 18/511:11
SEA
-
SYD
2 stops26h 54m
American Airlines
Deal found 30/4$1,331
Mon 20/709:10
SYD
-
SEA
1 stop21h 38m
American Airlines
Tue 4/814:20
SEA
-
SYD
1 stop23h 45m
American Airlines
Deal found 1/5$1,340
Mon 1/609:20
SYD
-
SEA
1 stop26h 10m
Air Canada
Tue 30/610:45
SEA
-
SYD
1 stop27h 35m
Air Canada
Deal found 28/4$1,341
Wed 3/609:10
SYD
-
SEA
1 stop21h 47m
American Airlines
Wed 10/614:40
SEA
-
SYD
1 stop23h 25m
American Airlines
Deal found 30/4$1,344
Mon 4/509:15
SYD
-
SEA
1 stop22h 36m
Delta
Mon 18/510:50
SEA
-
SYD
2 stops27h 00m
Delta
Deal found 30/4$1,354
Mon 20/709:15
SYD
-
SEA
1 stop24h 25m
Delta
Tue 4/805:25
SEA
-
SYD
2 stops32h 25m
Delta
Deal found 1/5$1,355

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 2 May 2026.

Round-trip from

$1,291

One-way from

$790

Popular in

July

Cheapest in

August

Average price

$1,477
United Airlines
  • United Airlines
  • 29/5-24/6
  • 3 total stops
  • 53h 21m total
  • Australia to Seattle
Search Deals
Delta
  • Delta
  • 20/5
  • 1 total stop
  • 19h 23m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($122 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($61 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 2 May 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 14/6

09:30-08:00

2 stops39h 30m

Seattle/Tacoma Intl

Sun 21/6

18:48-08:15

1 stop20h 27m

$1,291

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Thu 4/6

10:55-14:30

1 stop20h 35m

Seattle/Tacoma Intl

Mon 15/6

12:50-07:30

2 stops25h 40m

$1,291

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

10:55-19:03

1 stop25h 08m

Seattle/Tacoma Intl

Wed 24/6

14:36-08:15

2 stops24h 39m

$1,292

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 27/5

10:00-12:23

1 stop19h 23m

Seattle/Tacoma Intl

Wed 3/6

13:25-07:50

2 stops25h 25m

$1,308

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 1/6

09:30-17:59

2 stops25h 29m

Seattle/Tacoma Intl

Wed 10/6

15:33-06:55

1 stop22h 22m

$1,358
Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 20/7

09:15-14:51

1 stop22h 36m

Seattle/Tacoma Intl

Tue 4/8

17:48-06:50

1 stop20h 02m

$1,363

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 26/5

09:30-19:18

1 stop26h 48m

Seattle/Tacoma Intl

Wed 10/6

17:20-06:55

1 stop20h 35m

$1,363

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 13/6

21:35-14:25

1 stop31h 50m

Seattle/Tacoma Intl

Sat 27/6

16:30-20:00

1 stop36h 30m

$1,513

MelbourneSeattle

AVV - SEA

AVVSEA

Melbourne Avalon

Sat 6/6

20:40-10:05

2 stops30h 25m

Seattle/Tacoma Intl

Sat 13/6

19:20-14:20

2 stops26h 00m

$1,522

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 1/9

10:55-12:23

1 stop18h 28m

Seattle/Tacoma Intl

Tue 15/9

07:00-08:15

2 stops32h 15m

$1,642

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 41 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.

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 $593). Flying from Australia to Seattle in April is currently the most expensive (average of $1,048). 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 2 May 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
1,801 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Japan Airlines
8.3
Very Good
1,801 reviews
Japan Airlines
8.3
Very Good
1,801 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Virgin Australia
7.6
Good
452 reviews
Japan Airlines
8.3
Very Good
1,801 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Qantas Airways
7.5
Good
1,028 reviews
Japan Airlines
8.3
Very Good
1,801 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
United Airlines
7.4
Good
9,679 reviews
Japan Airlines
8.3
Very Good
1,801 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Air Canada
7.1
Good
10,988 reviews
Japan Airlines
8.3
Very Good
1,801 reviews
Check prices

Crew

8.7

Food

7.7

Overall

8.3

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.

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 ANA fly from Australia to Seattle in about 19h 23m. The time it takes to get you to your destination can typically vary by up to 20h 07m. 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 Air Canada, with whom users have recently found tickets for as low as $550. However, be on the lookout for offers from United Airlines 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 $593). Flying from Australia to Seattle in April is currently the most expensive (average of $1,048). 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 2 May 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 2 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$674Average$1,247FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$914Average$1,331FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$931Average$1,318FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$939Average$1,329FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$948Average$1,491FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Hawaiian AirlinesCheapest$1,020Average$1,809FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Virgin AustraliaCheapest$1,043Average$1,669FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,045Average$1,608FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Alaska AirlinesCheapest$1,087Average$1,689FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
EVA AirCheapest$1,107Average$1,356FlexibilityNo cancel feeOn-time74%
Search EVA Air 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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