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Cheap flights from Australia to Seattle from $718

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
24 Apr — 1 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 25 March 2026.

Fri 29/509:30
MEL
-
SEA
2 stops28h 40m
United Airlines
Wed 24/614:36
SEA
-
MEL
2 stops23h 54m
United Airlines
Deal found 23/3$1,171
Tue 5/510:55
MEL
-
SEA
1 stop18h 30m
United Airlines
Tue 12/511:39
SEA
-
MEL
1 stop27h 36m
United Airlines
Deal found 21/3$1,177
Wed 6/510:00
MEL
-
SEA
2 stops23h 48m
Delta
Wed 27/507:15
SEA
-
MEL
2 stops31h 35m
Delta
Deal found 22/3$1,183
Tue 12/510:55
MEL
-
SEA
1 stop18h 30m
United Airlines
Sat 30/513:30
SEA
-
MEL
1 stop25h 45m
United Airlines
Deal found 21/3$1,190
Tue 5/513:15
SYD
-
SEA
2 stops22h 25m
Multiple Airlines
Tue 12/517:06
SEA
-
SYD
2 stops25h 44m
Multiple Airlines
Deal found 21/3$1,235
Tue 21/413:15
SYD
-
SEA
2 stops22h 36m
Multiple Airlines
Wed 22/417:58
SEA
-
SYD
2 stops24h 52m
Multiple Airlines
Deal found 20/3$1,290
Wed 6/511:35
BNE
-
SEA
2 stops24h 05m
Multiple Airlines
Wed 13/514:25
SEA
-
BNE
2 stops27h 10m
Multiple Airlines
Deal found 22/3$1,295
Sun 12/720:45
SYD
-
SEA
1 stop26h 14m
Multiple Airlines
Tue 28/721:09
SEA
-
SYD
1 stop28h 41m
Multiple Airlines
Deal found 23/3$1,296
Wed 6/513:20
SYD
-
SEA
2 stops22h 20m
Multiple Airlines
Wed 13/506:00
SEA
-
SYD
2 stops36h 50m
Multiple Airlines
Deal found 22/3$1,299
Fri 8/509:30
MEL
-
SEA
1 stop27h 18m
United Airlines
Fri 15/517:25
SEA
-
MEL
1 stop21h 50m
United Airlines
Deal found 24/3$1,308
Fri 24/409:30
MEL
-
SEA
2 stops30h 03m
United Airlines
Thu 7/513:21
SEA
-
MEL
1 stop25h 54m
United Airlines
Deal found 23/3$1,322
Mon 20/413:15
SYD
-
SEA
2 stops41h 56m
Multiple Airlines
Tue 5/510:49
SEA
-
SYD
2 stops32h 01m
Multiple Airlines
Deal found 23/3$1,322

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 25 March 2026.

Round-trip from

$1,171

One-way from

$718

Popular in

July

Cheapest in

August

Average price

$1,465
United Airlines
  • United Airlines
  • 29/5-24/6
  • 4 total stops
  • 52h 34m total
  • Australia to Seattle
Search Deals
15/6
  • 15/6
  • 3 total stops
  • 28h 51m total
  • Australia to Seattle
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($128 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($67 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 25 March 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

Fri 29/5

09:30-21:10

2 stops28h 40m

Seattle/Tacoma Intl

Wed 24/6

11:02-07:30

2 stops27h 28m

$1,171

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 6/5

10:55-18:00

2 stops24h 05m

Seattle/Tacoma Intl

Wed 27/5

14:36-07:30

2 stops23h 54m

$1,171

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 5/5

10:55-12:25

1 stop18h 30m

Seattle/Tacoma Intl

Tue 12/5

11:39-08:15

1 stop27h 36m

$1,177

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 6/5

10:00-18:30

2 stops25h 30m

Seattle/Tacoma Intl

Wed 27/5

17:35-07:50

1 stop21h 15m

$1,183

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 12/5

10:55-18:00

2 stops24h 05m

Seattle/Tacoma Intl

Sat 30/5

11:02-08:15

2 stops28h 13m

$1,196

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 8/5

09:30-21:06

2 stops28h 36m

Seattle/Tacoma Intl

Fri 15/5

18:58-07:30

1 stop19h 32m

$1,308

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

10:00-00:12

2 stops31h 12m

Seattle/Tacoma Intl

Wed 24/6

07:20-07:50

2 stops31h 30m

$1,333

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 5/5

09:45-18:35

1 stop25h 50m

Seattle/Tacoma Intl

Tue 12/5

11:06-06:45

1 stop26h 39m

$1,404

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 15/5

06:00-22:40

2 stops33h 40m

Seattle/Tacoma Intl

Mon 18/5

14:55-11:35

2 stops27h 40m

$1,418

MelbourneSeattle

AVV - SEA

AVVSEA

Melbourne Avalon

Mon 20/4

20:55-09:38

2 stops29h 43m

Seattle/Tacoma Intl

Mon 27/4

15:40-14:20

2 stops29h 40m

$1,430

Flights are sorted by cheapest return flights first.

Deals found on 21/3

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, January is the cheapest month in which you can book a flight from Australia to Seattle (average of $822). Flying from Australia to Seattle in July is currently the most expensive (average of $1,150). 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 25 March 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
2,840 reviews
Check prices

Food

6.9

Overall

7.8

Crew

8.5

Boarding

8.0

Entertainment

7.1

Comfort

7.7

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
2,840 reviews
Hawaiian Airlines
7.8
Good
2,840 reviews
Check prices

Food

6.9

Overall

7.8

Crew

8.5

Boarding

8.0

Entertainment

7.1

Comfort

7.7

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
449 reviews
Hawaiian Airlines
7.8
Good
2,840 reviews
Check prices

Food

6.9

Overall

7.8

Crew

8.5

Boarding

8.0

Entertainment

7.1

Comfort

7.7

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
1,010 reviews
Hawaiian Airlines
7.8
Good
2,840 reviews
Check prices

Food

6.9

Overall

7.8

Crew

8.5

Boarding

8.0

Entertainment

7.1

Comfort

7.7

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
9,477 reviews
Hawaiian Airlines
7.8
Good
2,840 reviews
Check prices

Food

6.9

Overall

7.8

Crew

8.5

Boarding

8.0

Entertainment

7.1

Comfort

7.7

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
10,840 reviews
Hawaiian Airlines
7.8
Good
2,840 reviews
Check prices

Food

6.9

Overall

7.8

Crew

8.5

Boarding

8.0

Entertainment

7.1

Comfort

7.7

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 American Airlines fly from Australia to Seattle in about 24h 07m. The time it takes to get you to your destination can typically vary by up to 4h 33m. 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 Air Canada, with whom users have recently found tickets for as low as $569. 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 Brisbane - Seattle/Tacoma Intl or Melbourne - 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 $822). Flying from Australia to Seattle in July is currently the most expensive (average of $1,150). 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
Ocean Shores
SeaTac

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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 25 March 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 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$696Average$1,993FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$958Average$1,392FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$962Average$1,452FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$970Average$1,296FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$979Average$1,540FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Virgin AustraliaCheapest$1,078Average$1,730FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,079Average$1,674FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Alaska AirlinesCheapest$1,122Average$1,745FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapest$1,163Average$1,860FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
EVA AirCheapest$1,276Average$1,485FlexibilityNo 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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