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Cheap flights from Australia to Seattle from $770

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
3 May — 10 May1
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 3 April 2026.

Fri 24/410:00
MEL
-
SEA
1 stop19h 37m
Delta
Fri 22/512:40
SEA
-
MEL
1 stop26h 10m
Delta
Deal found 30/3$1,297
Fri 15/509:30
MEL
-
SEA
2 stops30h 29m
United Airlines
Fri 22/519:05
SEA
-
MEL
1 stop20h 10m
United Airlines
Deal found 31/3$1,300
Fri 29/509:30
MEL
-
SEA
2 stops28h 40m
United Airlines
Wed 24/614:36
SEA
-
MEL
2 stops23h 54m
United Airlines
Deal found 30/3$1,303
Sat 13/610:55
MEL
-
SEA
1 stop18h 39m
United Airlines
Sat 25/705:00
SEA
-
MEL
2 stops34h 15m
United Airlines
Deal found 2/4$1,306
Fri 24/409:30
MEL
-
SEA
2 stops28h 36m
United Airlines
Thu 7/517:25
SEA
-
MEL
1 stop21h 50m
United Airlines
Deal found 30/3$1,307
Fri 15/510:00
MEL
-
SEA
2 stops25h 48m
Delta
Fri 22/507:15
SEA
-
MEL
2 stops31h 35m
Delta
Deal found 31/3$1,310
Fri 24/410:00
MEL
-
SEA
2 stops23h 48m
Delta
Thu 7/519:59
SEA
-
MEL
2 stops42h 51m
Delta
Deal found 30/3$1,313
Sun 26/410:00
MEL
-
SEA
1 stop40h 53m
Delta
Wed 6/516:36
SEA
-
MEL
2 stops22h 14m
Delta
Deal found 2/4$1,324
Thu 21/510:15
BNE
-
SEA
1 stop21h 05m
Air Canada
Sat 30/510:45
SEA
-
BNE
1 stop27h 20m
Air Canada
Deal found 29/3$1,372
Sun 12/710:00
BNE
-
SEA
1 stop16h 52m
Air Canada
Sun 2/810:30
SEA
-
BNE
1 stop27h 35m
Air Canada
Deal found 30/3$1,394
Tue 28/413:15
SYD
-
SEA
2 stops22h 25m
Multiple Airlines
Wed 13/517:59
SEA
-
SYD
2 stops24h 51m
Multiple Airlines
Deal found 31/3$1,408
Wed 13/513:15
SYD
-
SEA
2 stops22h 01m
Multiple Airlines
Fri 29/515:48
SEA
-
SYD
2 stops27h 02m
Multiple Airlines
Deal found 1/4$1,410

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 3 April 2026.

Round-trip from

$1,297

One-way from

$770

Popular in

July

Cheapest in

August

Average price

$1,585
Delta
  • Delta
  • 24/4-22/5
  • 2 total stops
  • 45h 47m 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 ($116 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($65 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 3 April 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

Wed 20/5

09:30-15:51

1 stop23h 21m

Seattle/Tacoma Intl

Fri 29/5

15:33-08:15

1 stop23h 42m

$1,303

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 13/6

10:55-12:34

1 stop18h 39m

Seattle/Tacoma Intl

Sat 25/7

05:00-08:15

2 stops34h 15m

$1,306

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 24/4

09:30-21:06

2 stops28h 36m

Seattle/Tacoma Intl

Thu 7/5

17:25-08:15

1 stop21h 50m

$1,307

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 1/5

10:00-23:51

1 stop30h 51m

Seattle/Tacoma Intl

Fri 15/5

12:40-07:50

1 stop26h 10m

$1,313

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

09:30-21:10

2 stops28h 40m

Seattle/Tacoma Intl

Wed 24/6

12:50-07:30

2 stops25h 40m

$1,313

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 4/5

20:45-18:30

2 stops38h 45m

Seattle/Tacoma Intl

Mon 18/5

19:20-07:05

1 stop18h 45m

$1,527

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 10/6

09:30-21:10

2 stops28h 40m

Seattle/Tacoma Intl

Wed 24/6

17:20-06:55

1 stop20h 35m

$1,555

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 14/5

10:20-18:00

2 stops24h 40m

Seattle/Tacoma Intl

Thu 21/5

14:36-07:00

2 stops23h 24m

$1,625

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 3/5

09:15-14:46

2 stops22h 31m

Seattle/Tacoma Intl

Sat 30/5

21:20-06:50

1 stop40h 30m

$1,639

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 9/5

09:15-23:55

1 stop31h 40m

Seattle/Tacoma Intl

Thu 21/5

05:30-06:50

2 stops32h 20m

$1,691

Flights are sorted by cheapest return flights first.

Deals found on 31/3

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, January is the cheapest month in which you can book a flight from Australia to Seattle (average of $831). Flying from Australia to Seattle in July is currently the most expensive (average of $1,178). 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 3 April 2026.
Read through reviews of airlines operating flights from Australia to Seattle, such as Hawaiian Airlines,Virgin Australia, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Hawaiian Airlines
7.8
Good
2,839 reviews
Check prices

Food

6.9

Crew

8.5

Overall

7.8

Comfort

7.7

Boarding

8.0

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
Hawaiian Airlines
7.8
Good
2,839 reviews
Hawaiian Airlines
7.8
Good
2,839 reviews
Check prices

Food

6.9

Crew

8.5

Overall

7.8

Comfort

7.7

Boarding

8.0

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
Virgin Australia
7.6
Good
451 reviews
Hawaiian Airlines
7.8
Good
2,839 reviews
Check prices

Food

6.9

Crew

8.5

Overall

7.8

Comfort

7.7

Boarding

8.0

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
Qantas Airways
7.5
Good
1,016 reviews
Hawaiian Airlines
7.8
Good
2,839 reviews
Check prices

Food

6.9

Crew

8.5

Overall

7.8

Comfort

7.7

Boarding

8.0

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
United Airlines
7.4
Good
9,539 reviews
Hawaiian Airlines
7.8
Good
2,839 reviews
Check prices

Food

6.9

Crew

8.5

Overall

7.8

Comfort

7.7

Boarding

8.0

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
Air Canada
7.1
Good
10,889 reviews
Hawaiian Airlines
7.8
Good
2,839 reviews
Check prices

Food

6.9

Crew

8.5

Overall

7.8

Comfort

7.7

Boarding

8.0

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.

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 23h 21m. The time it takes to get you to your destination can typically vary by up to 15h 24m. 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 $575. 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 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, January is the cheapest month in which you can book a flight from Australia to Seattle (average of $831). Flying from Australia to Seattle in July is currently the most expensive (average of $1,178). 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 3 April 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 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$704Average$2,016FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$955Average$1,395FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$973Average$1,460FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$981Average$1,314FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$991Average$1,558FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Virgin AustraliaCheapest$1,090Average$1,750FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,092Average$1,688FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Alaska AirlinesCheapest$1,136Average$1,765FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapest$1,176Average$1,883FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
EVA AirCheapest$1,291Average$1,502FlexibilityNo 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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