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$570+ Cheap flights from Australia to Washington

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap flight deals from Australia to Washington

Cheapest flights from Australia to Washington
Explore the most affordable flight options available from Australia to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.

This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:55 am
MEL
-
SEA
1 stop26h 58m
United Airlines
Tue 7/2110:29 am
SEA
-
MEL
1 stop28h 46m
United Airlines
Deal found 4/25$929
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:55 am
MEL
-
SEA
1 stop20h 35m
United Airlines
Fri 8/214:30 pm
SEA
-
MEL
1 stop22h 00m
United Airlines
Deal found 4/26$931
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:30 am
MEL
-
SEA
1 stop29h 28m
United Airlines
Thu 5/145:25 pm
SEA
-
MEL
1 stop21h 50m
United Airlines
Deal found 4/26$933
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:55 am
MEL
-
SEA
1 stop22h 25m
United Airlines
Wed 6/2412:50 pm
SEA
-
MEL
2 stops26h 25m
United Airlines
Deal found 4/29$934
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:55 am
MEL
-
SEA
1 stop18h 30m
United Airlines
Thu 5/141:21 pm
SEA
-
MEL
1 stop25h 54m
United Airlines
Deal found 4/27$939
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:55 am
MEL
-
PDX
2 stops27h 15m
United Airlines
Sat 5/3011:45 pm
PDX
-
MEL
2 stops62h 45m
United Airlines
Deal found 4/25$965
This BYOjet deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:20 am
SYD
-
SEA
1 stop26h 10m
Air Canada
Tue 6/3010:45 am
SEA
-
SYD
1 stop27h 35m
Air Canada
Deal found 4/28$966
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:55 am
MEL
-
PDX
1 stop26h 59m
United Airlines
Fri 8/287:13 pm
PDX
-
MEL
1 stop20h 02m
United Airlines
Deal found 4/26$967
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:55 am
MEL
-
PDX
2 stops27h 14m
United Airlines
Fri 5/81:37 pm
PDX
-
MEL
1 stop25h 38m
United Airlines
Deal found 4/27$969
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:55 am
MEL
-
PDX
1 stop26h 59m
United Airlines
Fri 6/1911:16 am
PDX
-
MEL
1 stop27h 59m
United Airlines
Deal found 4/28$970
This Bravofly deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:10 am
SYD
-
SEA
1 stop29h 39m
Qantas Airways
Mon 6/152:40 pm
SEA
-
SYD
1 stop23h 25m
Qantas Airways
Deal found 4/24$973
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:00 am
MEL
-
PDX
2 stops24h 09m
Delta
Wed 6/101:25 pm
PDX
-
MEL
1 stop25h 25m
Delta
Deal found 4/27$974

Find flight deals from Australia to Washington

Keep the following information in mind while searching for Australia to Washington flight deals. Data was last updated April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$929
(United Airlines)

One-way from

$570
(United Airlines)

Popular in

July

Cheapest in

August

Average price

$1,095
Provider with most accurate pricing for Sydney Kingsford Smith-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Seattle/Tacoma Intl flights.
Search Deals
From Australia to Washington
Search Deals
One-way flight from Australia to Washington
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to Washington 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 2,558,603 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Australia to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 6/12

10:55 am-8:53 pm

1 stop26h 58m

Seattle/Tacoma Intl

Tue 7/21

12:50 pm-8:15 am

2 stops26h 25m

$929
Quickest round-trip

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 8/4

10:55 am-4:20 pm

1 stop22h 25m

Seattle/Tacoma Intl

Sat 8/22

7:35 pm-8:15 am

1 stop19h 40m

$931

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 5/23

10:55 am-9:10 pm

2 stops27h 15m

Portland

Sat 5/30

11:45 pm-7:30 am

2 stops62h 45m

$965

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sun 5/24

10:55 am-5:44 pm

1 stop23h 49m

Portland

Sun 5/31

11:59 pm-7:30 am

2 stops38h 31m

$967

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 8/8

10:55 am-9:15 pm

2 stops27h 20m

Portland

Fri 8/28

1:14 pm-8:15 am

1 stop26h 01m

$971

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 6/8

9:30 am-3:55 pm

2 stops23h 25m

Seattle/Tacoma Intl

Mon 6/15

12:50 pm-6:55 am

2 stops25h 05m

$977

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Mon 6/8

10:55 am-8:54 pm

1 stop26h 59m

Portland

Thu 6/18

1:14 pm-8:15 am

1 stop26h 01m

$980

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/20

9:15 am-2:51 pm

1 stop22h 36m

Seattle/Tacoma Intl

Tue 8/4

5:48 pm-6:50 am

1 stop20h 02m

$982

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 5/24

6:00 am-2:45 pm

2 stops25h 45m

Portland

Mon 6/8

7:45 pm-12:40 pm

2 stops23h 55m

$1,050

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 6/13

9:35 pm-2:25 pm

1 stop31h 50m

Seattle/Tacoma Intl

Sat 6/27

4:30 pm-8:00 pm

1 stop36h 30m

$1,090

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Australia to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Australia with our price prediction graph.
Estimated round-trip 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 Washington

How far ahead should I book a flight from Australia to State of Washington?

The best time to book flights from Australia to State of Washington is 41 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Australia to State of Washington?

Currently, December is the cheapest month in which you can book a flight from Australia to State of Washington (average of $427). Flying from Australia to State of Washington in April is currently the most expensive (average of $755). 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 Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated April 30, 2026.
See what other customers who have flown with Delta,United Airlines, andAir Canada from Australia to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,465 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,465 reviews
Delta
7.9
Good
8,465 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,677 reviews
Delta
7.9
Good
8,465 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,982 reviews
Delta
7.9
Good
8,465 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Australia to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Australia to State of Washington?

    For as low as $974, United Airlines can have you in State of Washington from Australia in 23h. Airlines will cover a distance of 8111 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Australia to State of Washington one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $379. Air Canada flights start at $421 while deals on Hawaiian Airlines start at $437 one-way.

  • Can I find deals for flights from Australia to Washington that include hotel bookings?

    Yes. In addition to deals on Australia to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Washington.

  • Can I find deals for business class flights from Australia to Washington?

    Yes. Cheapflights offers flight deals from Australia to Washington 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 State of Washington?

    Currently, December is the cheapest month in which you can book a flight from Australia to State of Washington (average of $427). Flying from Australia to State of Washington in April is currently the most expensive (average of $755). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Australia to Washington

Discover the top 3 airlines that operate flights from Australia to Washington. 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 2,558,603 searches. Data last updated April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$431Average$1,062FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$754Average$999FlexibilityNo cancel feeOn-time69%
DeltaCheapest$802Average$1,138FlexibilityNo cancel feeOn-timeN/A

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