Cheap flights from Australia to Washington from $790

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
13 Jun — 20 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Washington

Enter your travel dates to find the best prices.

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 14 May 2026.

Tue 2/610:55
MEL
-
SEA
1 stop22h 25m
United Airlines
Wed 8/719:05
SEA
-
MEL
1 stop20h 10m
United Airlines
Deal found 9/5$1,295
Thu 14/510:55
MEL
-
SEA
1 stop18h 30m
United Airlines
Wed 27/517:06
SEA
-
MEL
1 stop21h 24m
United Airlines
Deal found 13/5$1,297
Sat 6/610:55
MEL
-
SEA
1 stop29h 37m
United Airlines
Sat 13/619:05
SEA
-
MEL
1 stop20h 10m
United Airlines
Deal found 9/5$1,298
Mon 18/510:55
MEL
-
SEA
1 stop18h 30m
United Airlines
Mon 1/610:29
SEA
-
MEL
1 stop28h 46m
United Airlines
Deal found 11/5$1,300
Fri 29/510:55
MEL
-
SEA
1 stop20h 35m
United Airlines
Wed 24/619:05
SEA
-
MEL
1 stop20h 10m
United Airlines
Deal found 11/5$1,301
Tue 19/509:15
SYD
-
SEA
1 stop18h 40m
Delta
Tue 9/612:35
SEA
-
SYD
1 stop25h 15m
Delta
Deal found 12/5$1,305
Sun 7/610:00
MEL
-
SEA
1 stop31h 06m
Delta
Thu 18/620:25
SEA
-
MEL
1 stop42h 25m
Delta
Deal found 12/5$1,308
Fri 31/710:00
MEL
-
SEA
1 stop23h 40m
Delta
Sun 9/821:48
SEA
-
MEL
1 stop41h 02m
Delta
Deal found 12/5$1,311
Sun 31/510:55
MEL
-
SEA
1 stop26h 58m
United Airlines
Sun 7/618:48
SEA
-
MEL
1 stop20h 27m
United Airlines
Deal found 10/5$1,312
Mon 8/609:10
SYD
-
SEA
1 stop18h 51m
Multiple Airlines
Tue 23/615:59
SEA
-
SYD
1 stop22h 06m
Multiple Airlines
Deal found 10/5$1,330
Tue 9/609:10
SYD
-
SEA
1 stop19h 51m
Multiple Airlines
Wed 24/617:10
SEA
-
SYD
1 stop20h 55m
Multiple Airlines
Deal found 11/5$1,331
Tue 9/609:10
SYD
-
SEA
1 stop29h 39m
American Airlines
Tue 23/614:40
SEA
-
SYD
1 stop23h 25m
American Airlines
Deal found 13/5$1,333

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 14 May 2026.

Round-trip from

$1,295

One-way from

$790

Popular in

January

Cheapest in

September

Average price

$1,409
United Airlines
  • United Airlines
  • 2/6-8/7
  • 2 total stops
  • 42h 35m total
  • Australia to Washington
Delta
  • Delta
  • 20/5
  • 2 total stops
  • 23h 44m total
  • Australia to Washington
Highest demand for flights based on searches. 7% potential increase in price ($148 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($50 potential savings vs. average return price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 14 May 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 return flight

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

10:55-23:32

1 stop29h 37m

Seattle/Tacoma Intl

Wed 24/6

17:20-08:15

1 stop21h 55m

$1,297

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 1/6

10:55-16:20

1 stop22h 25m

Seattle/Tacoma Intl

Mon 15/6

07:00-08:15

1 stop32h 15m

$1,298

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 2/6

10:55-18:47

1 stop24h 52m

Seattle/Tacoma Intl

Wed 8/7

12:50-08:15

2 stops26h 25m

$1,298

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 3/6

09:30-21:10

2 stops28h 40m

Seattle/Tacoma Intl

Wed 10/6

17:06-07:30

1 stop21h 24m

$1,301

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 7/6

10:00-16:47

1 stop23h 47m

Seattle/Tacoma Intl

Thu 18/6

19:50-07:50

2 stops43h 00m

$1,308

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 6/6

10:55-09:48

2 stops39h 53m

Portland

Sat 13/6

22:40-08:15

2 stops40h 35m

$1,348

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 7/7

09:15-18:33

2 stops26h 18m

Seattle/Tacoma Intl

Tue 14/7

11:05-06:50

2 stops26h 45m

$1,359

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 21/7

09:15-12:30

1 stop20h 15m

Seattle/Tacoma Intl

Wed 5/8

05:15-06:50

2 stops32h 35m

$1,362

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 4/6

09:30-21:10

2 stops28h 40m

Seattle/Tacoma Intl

Sun 28/6

06:00-07:00

1 stop32h 00m

$1,403

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 6/6

09:30-23:32

3 stops31h 02m

Seattle/Tacoma Intl

Sun 21/6

18:48-06:55

1 stop19h 07m

$1,429

Flights are sorted by cheapest return flights first.

Deals found on 12/5

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 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 Washington

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

Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from Australia to State of Washington. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $589). Flying from Australia to State of Washington in April is currently the most expensive (average of $1,042). 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 14 May 2026.
Check out reviews from past customers who have flown with Singapore Airlines,Virgin Australia, andQantas Airways from Australia to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.8

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Food

7.8

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Food

7.8

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Food

7.8

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Food

7.8

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Food

7.8

Overall

8.2

Crew

8.6

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

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?

    Departing from Australia to State of Washington will take you 26h 18m. The distance from Australia to State of Washington is about 12463 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapet airlines for a one-way flight from Australia to State of Washington are Air China ($470), T'way Air ($535), and Cathay Pacific ($557).

  • 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 holiday 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 $589). Flying from Australia to State of Washington in April is currently the most expensive (average of $1,042). 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

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Alternative routes for Australia to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Australia to Washington

Discover the top 10 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 647,157 searches. Data last updated 14 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$669Average$1,215FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AustraliaCheapest$796Average$1,663FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air CanadaCheapest$908Average$1,327FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$925Average$1,355FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$933Average$1,324FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Hawaiian AirlinesCheapest$1,014Average$1,797FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Qantas AirwaysCheapest$1,038Average$1,601FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Alaska AirlinesCheapest$1,040Average$1,497FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
EVA AirCheapest$1,100Average$1,401FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Air New ZealandCheapest$1,142Average$1,542FlexibilityNo cancel feeOn-time78%
Search Air New Zealand 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 Washington?

Cheapflights makes it easy to find Australia to Washington 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 Washington?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington from Australia.

Can Cheapflights find flights from Australia to Washington with no change fees?

Certainly. Search results for flights to Washington from Australia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Australia to Washington become cheaper?

Of course! You can now track prices for flights from Australia to Washington and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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