HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$486+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
abr. 24 — may. 11
vie. 4/24
vie. 5/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Australia to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 marzo 25, 2026.

This United Airlines deal was found by Cheapflights users on 3/23. 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.
vie. 5/299:30 am
MEL
-
SEA
2 stops28h 40m
United Airlines
mié. 6/242:36 pm
SEA
-
MEL
2 stops23h 54m
United Airlines
Deal found 3/23$817
This United Airlines deal was found by Cheapflights users on 3/21. 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.
mar. 5/510:55 am
MEL
-
SEA
1 stop20h 41m
United Airlines
mar. 5/125:02 am
SEA
-
MEL
2 stops34h 13m
United Airlines
Deal found 3/21$821
This Delta deal was found by Cheapflights users on 3/22. 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.
mié. 5/610:00 am
MEL
-
SEA
2 stops23h 48m
Delta
mié. 5/277:15 am
SEA
-
MEL
2 stops31h 35m
Delta
Deal found 3/22$825
This United Airlines deal was found by Cheapflights users on 3/21. 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.
mar. 5/1210:55 am
MEL
-
SEA
1 stop18h 30m
United Airlines
sáb. 5/301:30 pm
SEA
-
MEL
1 stop25h 45m
United Airlines
Deal found 3/21$830
This flugladen.de deal was found by Cheapflights users on 3/21. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/51:15 pm
SYD
-
SEA
2 stops22h 25m
Multiple Airlines
mar. 5/125:06 pm
SEA
-
SYD
2 stops25h 44m
Multiple Airlines
Deal found 3/21$861
This Trip.com deal was found by Cheapflights users on 3/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/611:35 am
BNE
-
SEA
2 stops24h 05m
Multiple Airlines
mié. 5/132:25 pm
SEA
-
BNE
2 stops27h 10m
Multiple Airlines
Deal found 3/22$903
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/128:45 pm
SYD
-
SEA
1 stop26h 14m
Multiple Airlines
mar. 7/289:09 pm
SEA
-
SYD
1 stop28h 41m
Multiple Airlines
Deal found 3/23$904
This Trip.com deal was found by Cheapflights users on 3/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/61:20 pm
SYD
-
SEA
2 stops22h 20m
Multiple Airlines
mié. 5/136:00 am
SEA
-
SYD
2 stops36h 50m
Multiple Airlines
Deal found 3/22$906
This United Airlines deal was found by Cheapflights users on 3/25. 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.
sáb. 5/910:55 am
MEL
-
SEA
2 stops39h 45m
United Airlines
sáb. 5/168:51 am
SEA
-
MEL
2 stops30h 24m
United Airlines
Deal found 3/25$910
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/89:30 am
MEL
-
SEA
1 stop27h 18m
United Airlines
vie. 5/155:25 pm
SEA
-
MEL
1 stop21h 50m
United Airlines
Deal found 3/24$912
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/1010:00 am
MEL
-
SEA
1 stop30h 55m
Delta
dom. 5/179:20 pm
SEA
-
MEL
1 stop41h 30m
Delta
Deal found 3/25$916
This Aunt Betty deal was found by Cheapflights users on 3/25. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/196:00 am
MEL
-
PDX
2 stops20h 30m
Multiple Airlines
lun. 5/257:45 pm
PDX
-
MEL
2 stops22h 35m
Multiple Airlines
Deal found 3/25$918

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 marzo 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$817
(United Airlines)

One-way from

$486
(Kiwi.com)

Popular in

July

Cheapest in

August

Average price

$1,022
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 March 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 marzo 25, 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

mié. 5/6

10:55 am-12:25 pm

1 stop18h 30m

Seattle/Tacoma Intl

mié. 5/27

11:02 am-8:15 am

2 stops28h 13m

$817

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

vie. 5/29

9:30 am-9:10 pm

2 stops28h 40m

Seattle/Tacoma Intl

mié. 6/24

11:02 am-7:30 am

2 stops27h 28m

$817

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

mar. 5/5

10:55 am-12:25 pm

1 stop18h 30m

Seattle/Tacoma Intl

mar. 5/12

11:39 am-8:15 am

1 stop27h 36m

$821

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

mar. 5/12

10:55 am-6:00 pm

2 stops24h 05m

Seattle/Tacoma Intl

sáb. 5/30

11:02 am-8:15 am

2 stops28h 13m

$834

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

dom. 5/3

9:30 am-11:37 am

1 stop19h 07m

Seattle/Tacoma Intl

lun. 5/11

8:51 am-7:30 am

2 stops29h 39m

$912

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

dom. 5/10

10:00 am-8:30 pm

1 stop27h 30m

Seattle/Tacoma Intl

dom. 5/17

7:59 pm-7:50 am

2 stops42h 51m

$916

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

vie. 5/29

10:00 am-11:55 pm

1 stop30h 55m

Seattle/Tacoma Intl

mié. 6/24

9:30 am-7:50 am

1 stop29h 20m

$931

MelbournePortland

MEL - PDX

MELPDX

Melbourne

mié. 5/6

10:55 am-12:35 pm

1 stop18h 40m

Portland

mié. 5/13

7:15 am-8:15 am

1 stop32h 00m

$944

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

mié. 5/6

7:25 pm-9:30 am

2 stops31h 05m

Portland

mié. 5/13

10:10 am-7:05 am

1 stop27h 55m

$948

MelbournePortland

MEL - PDX

MELPDX

Melbourne

mié. 5/6

10:00 am-3:38 pm

1 stop22h 38m

Portland

mié. 5/13

7:05 am-7:50 am

2 stops31h 45m

$951

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

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

Currently, January is the cheapest month in which you can book a flight from Australia to State of Washington (average of $573). Flying from Australia to State of Washington in July is currently the most expensive (average of $802). 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 marzo 25, 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
8,326 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

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
8,326 reviews
Delta
7.9
Good
8,326 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

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
9,477 reviews
Delta
7.9
Good
8,326 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

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
10,840 reviews
Delta
7.9
Good
8,326 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

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 $951, United Airlines can have you in State of Washington from Australia in 22h 38m. 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 $306. Air Canada flights start at $421 while deals on Delta start at $495 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, January is the cheapest month in which you can book a flight from Australia to State of Washington (average of $573). Flying from Australia to State of Washington in July is currently the most expensive (average of $802). 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 marzo 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$431Average$1,061FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$778Average$1,050FlexibilityNo cancel feeOn-time69%
DeltaCheapest$802Average$1,374FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.