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Cheap flights from Australia to Seattle from $798

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
15 Aug — 22 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 16 July 2026.

Wed 26/813:15
SYD
-
SEA
2 stops22h 11m
Multiple Airlines
Wed 2/906:49
SEA
-
SYD
2 stops36h 01m
Multiple Airlines
Deal found 12/7$1,220
Thu 12/1114:00
SYD
-
SEA
2 stops22h 57m
Multiple Airlines
Tue 17/1106:00
SEA
-
SYD
2 stops45h 05m
Multiple Airlines
Deal found 12/7$1,252
Wed 15/710:55
MEL
-
SEA
1 stop20h 35m
United Airlines
Wed 5/815:33
SEA
-
MEL
1 stop23h 42m
United Airlines
Deal found 14/7$1,311
Thu 16/710:55
MEL
-
SEA
1 stop18h 39m
United Airlines
Wed 29/715:33
SEA
-
MEL
1 stop23h 42m
United Airlines
Deal found 15/7$1,312
Tue 28/710:55
MEL
-
SEA
1 stop18h 39m
United Airlines
Fri 28/811:03
SEA
-
MEL
2 stops28h 12m
United Airlines
Deal found 13/7$1,314
Wed 19/809:30
MEL
-
SEA
1 stop19h 04m
United Airlines
Tue 15/912:44
SEA
-
MEL
2 stops26h 31m
United Airlines
Deal found 14/7$1,315
Mon 7/912:00
SYD
-
SEA
1 stop42h 10m
American Airlines
Sun 20/907:10
SEA
-
SYD
1 stop30h 55m
American Airlines
Deal found 14/7$1,351
Thu 6/809:30
SYD
-
SEA
2 stops28h 40m
United Airlines
Tue 18/807:00
SEA
-
SYD
2 stops30h 55m
United Airlines
Deal found 14/7$1,354
Thu 5/1114:05
SYD
-
SEA
1 stop28h 00m
American Airlines
Sun 8/1106:05
SEA
-
SYD
1 stop31h 55m
American Airlines
Deal found 12/7$1,355
Mon 27/709:30
SYD
-
SEA
2 stops28h 40m
United Airlines
Wed 12/815:30
SEA
-
SYD
1 stop22h 25m
United Airlines
Deal found 15/7$1,357
Tue 21/710:20
SYD
-
SEA
1 stop19h 14m
United Airlines
Wed 29/715:33
SEA
-
SYD
1 stop22h 22m
United Airlines
Deal found 12/7$1,358
Tue 21/710:20
SYD
-
SEA
1 stop19h 14m
United Airlines
Tue 28/708:56
SEA
-
SYD
2 stops29h 04m
United Airlines
Deal found 12/7$1,360

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 16 July 2026.

Round-trip from

$1,220

One-way from

$798

Popular in

January

Cheapest in

August

Average price

$1,551
26/8-2/9
  • 26/8-2/9
  • 4 total stops
  • 58h 12m total
  • Australia to Seattle
Search Deals
United Airlines
  • United Airlines
  • 28/8
  • 2 total stops
  • 46h 15m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 16 July 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

Mon 27/7

10:55-16:20

1 stop22h 25m

Seattle/Tacoma Intl

Mon 3/8

11:02-07:30

2 stops27h 28m

$1,311

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 23/8

10:55-12:20

1 stop18h 25m

Seattle/Tacoma Intl

Tue 15/9

12:44-08:15

2 stops26h 31m

$1,315

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 12/8

09:30-15:52

2 stops23h 22m

Seattle/Tacoma Intl

Wed 19/8

11:03-07:30

2 stops27h 27m

$1,315

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 26/8

10:55-17:42

2 stops23h 47m

Seattle/Tacoma Intl

Wed 2/9

14:34-07:30

2 stops23h 56m

$1,315

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 7/8

10:00-22:05

2 stops29h 05m

Seattle/Tacoma Intl

Fri 14/8

07:16-07:50

1 stop31h 34m

$1,368
Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 6/8

09:15-12:27

1 stop20h 12m

Seattle/Tacoma Intl

Tue 18/8

14:50-06:50

1 stop23h 00m

$1,368

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 5/11

11:20-16:27

2 stops24h 07m

Seattle/Tacoma Intl

Sun 8/11

15:02-09:20

2 stops23h 18m

$1,368

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 3/9

09:30-21:41

1 stop29h 11m

Seattle/Tacoma Intl

Sat 19/9

23:59-07:00

2 stops38h 01m

$1,375

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 20/10

10:10-22:37

1 stop30h 27m

Seattle/Tacoma Intl

Thu 12/11

11:34-09:00

2 stops26h 26m

$1,411

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 14/8

09:15-12:27

1 stop44h 12m

Seattle/Tacoma Intl

Mon 31/8

14:50-06:50

1 stop23h 00m

$1,413

Flights are sorted by cheapest return flights first.

Deals found on 14/7

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

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 $610). Flying from Australia to Seattle in October is currently the most expensive (average of $1,115). 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 16 July 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
1,572 reviews
Check prices

Crew

8.6

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.2
Very Good
1,572 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Crew

8.6

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Virgin Australia
7.6
Good
464 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Crew

8.6

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qantas Airways
7.5
Good
1,061 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Crew

8.6

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
United Airlines
7.4
Good
9,992 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Crew

8.6

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Air Canada
7.1
Good
11,344 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Crew

8.6

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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 American Airlines fly from Australia to Seattle in about 22h 25m. The time it takes to get you to your destination can typically vary by up to 21h 17m. 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 United Airlines, with whom users have recently found tickets for as low as $583. 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 $610). Flying from Australia to Seattle in October is currently the most expensive (average of $1,115). 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
Tukwila

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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 16 July 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 16 July 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$774Average$1,371FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$831Average$1,431FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$941Average$1,394FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$959Average$1,336FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$967Average$1,512FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Hawaiian AirlinesCheapest$1,051Average$1,854FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Qantas AirwaysCheapest$1,076Average$1,711FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,184Average$1,598FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Japan AirlinesCheapest$1,292Average$2,070FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
ANACheapest$1,310Average$1,578FlexibilityNo 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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