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Cheap flights from Washington to Melbourne from $796

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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
5 Jul — 12 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Melbourne

Enter your travel dates to find the best prices.

Cheapest flights from Washington to Melbourne
Explore the most affordable flight options available from Washington to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 June 2026.

Thu 30/711:40
SEA
-
MEL
2 stops26h 05m
American Airlines
Wed 12/809:45
MEL
-
SEA
1 stop23h 47m
American Airlines
Deal found 4/6$1,500
Tue 20/1014:34
SEA
-
MEL
2 stops24h 41m
United Airlines
Wed 25/1111:30
MEL
-
SEA
2 stops28h 42m
United Airlines
Deal found 4/6$1,515
Mon 8/605:10
PDX
-
MEL
1 stop30h 50m
American Airlines
Mon 15/609:45
MEL
-
PDX
1 stop22h 12m
American Airlines
Deal found 1/6$1,515
Fri 3/707:00
SEA
-
MEL
1 stop30h 45m
American Airlines
Sat 11/709:45
MEL
-
SEA
1 stop29h 00m
American Airlines
Deal found 3/6$1,516
Mon 5/1011:58
SEA
-
MEL
2 stops24h 47m
American Airlines
Tue 13/1009:45
MEL
-
SEA
1 stop24h 51m
American Airlines
Deal found 1/6$1,522
Thu 26/1107:23
SEA
-
MEL
1 stop26h 37m
American Airlines
Thu 10/1223:15
MEL
-
SEA
1 stop32h 10m
American Airlines
Deal found 1/6$1,526
Sun 8/1115:15
PDX
-
MEL
2 stops28h 20m
Air Canada
Sun 29/1107:00
MEL
-
PDX
2 stops32h 46m
Air Canada
Deal found 5/6$1,528
Mon 28/912:16
SEA
-
MEL
1 stop26h 14m
Air New Zealand
Wed 21/1011:55
MEL
-
SEA
1 stop18h 28m
Air New Zealand
Deal found 5/6$1,529
Sat 26/910:55
SEA
-
MEL
1 stop28h 20m
United Airlines
Sat 17/1011:55
MEL
-
SEA
1 stop18h 25m
United Airlines
Deal found 5/6$1,530
Wed 1/713:14
PDX
-
MEL
1 stop26h 01m
United Airlines
Wed 19/810:55
MEL
-
PDX
1 stop18h 05m
United Airlines
Deal found 1/6$1,530
Thu 26/1110:45
SEA
-
MEL
1 stop28h 15m
United Airlines
Tue 8/1213:00
MEL
-
SEA
1 stop18h 12m
United Airlines
Deal found 2/6$1,532
Fri 7/811:16
PDX
-
MEL
1 stop27h 59m
United Airlines
Fri 21/810:55
MEL
-
PDX
1 stop24h 24m
United Airlines
Deal found 2/6$1,532

Find flight deals from Washington to Melbourne

Keep the following information in mind while searching for Washington to Melbourne flight deals. Data was last updated 5 June 2026.

Round-trip from

$1,500

One-way from

$796

Popular in

November

Cheapest in

March

Average price

$1,624
American Airlines
  • American Airlines
  • 30/7-12/8
  • 3 total stops
  • 49h 52m total
  • Washington to Melbourne
Search Deals
Qantas Airways
  • Qantas Airways
  • 13/6
  • 1 total stop
  • 21h 46m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($488 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($66 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington to Melbourne 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 5 June 2026.
Use the filters below to find and compare flights from Washington to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 5/10

19:28-09:15

1 stop19h 47m

Melbourne

Tue 13/10

11:55-14:24

1 stop20h 29m

$1,530

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 3/7

08:56-07:30

2 stops29h 34m

Melbourne

Sat 11/7

10:55-21:19

2 stops27h 24m

$1,537

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 23/11

19:49-10:00

1 stop19h 11m

Melbourne

Sat 12/12

11:30-18:31

3 stops26h 01m

$1,537

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 7/8

08:35-07:30

3 stops29h 55m

Melbourne

Fri 21/8

09:30-15:05

2 stops22h 35m

$1,537

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 10/8

12:50-07:30

2 stops25h 40m

Melbourne

Wed 19/8

10:55-14:47

1 stop20h 52m

$1,537

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 1/7

11:16-08:15

1 stop27h 59m

Melbourne

Wed 19/8

10:55-17:49

2 stops23h 54m

$1,537

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 26/11

13:39-10:00

1 stop25h 21m

Melbourne

Thu 10/12

08:40-18:31

2 stops28h 51m

$1,554

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 28/11

13:39-10:00

1 stop25h 21m

Melbourne

Thu 10/12

08:40-20:33

2 stops30h 53m

$1,554

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 24/11

10:45-10:00

1 stop28h 15m

Melbourne

Wed 9/12

08:00-21:12

3 stops32h 12m

$1,560

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 28/11

13:39-10:00

1 stop25h 21m

Melbourne

Fri 11/12

08:00-14:27

2 stops25h 27m

$1,560

Flights are sorted by cheapest return flights first.

Deals found on 2/6

Showing 1-10 of 55 resultsSorted by cheapest first
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Best time to book a flight from Washington to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from Washington 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 Washington to Melbourne

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

Currently, January is the cheapest month in which you can book a flight from State of Washington to Melbourne (average of $136). Flying from State of Washington to Melbourne in July is currently the most expensive (average of $1,502). 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.

How much does it cost for a return flight from State of Washington to Melbourne?

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

The best time to book flights from State of Washington to Melbourne is 65 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.

Related info for your journey

Find useful and relevant information for your journey from Washington to Melbourne. 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 State of Washington to Melbourne?

    For as low as $1,530, United Airlines can have you in Melbourne from State of Washington in 19h 47m. There are 13164 km between State of Washington and Melbourne. This flight may include one or multiple stops.

  • What are the most popular routes from State of Washington to Melbourne?

    The most popular flight routes from State of Washington to Melbourne are Seattle/Tacoma Intl - Melbourne, Seattle/Tacoma Intl - Melbourne Avalon and Portland - Melbourne.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Melbourne (average of $136). Flying from State of Washington to Melbourne in July is currently the most expensive (average of $1,502). 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 airline flying from Washington to Melbourne

Discover the top airline that operate flights from Washington to Melbourne. 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 5 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,418Average$1,905FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 Washington to Melbourne?

Cheapflights helps you search for flights from Washington to Melbourne via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Washington to Melbourne?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington to Melbourne.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Washington to Melbourne, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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