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Cheap flights from Washington to Melbourne Airport from $720

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
15 May — 22 May1
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 15 April 2026.

Wed 14/1019:45
PDX
-
MEL
2 stops22h 25m
Multiple Airlines
Mon 26/1006:05
MEL
-
PDX
2 stops21h 20m
Multiple Airlines
Deal found 10/4$1,257
Fri 8/519:45
PDX
-
MEL
2 stops22h 35m
Multiple Airlines
Thu 21/521:05
MEL
-
PDX
2 stops29h 25m
Multiple Airlines
Deal found 10/4$1,267
Wed 17/619:45
PDX
-
MEL
2 stops22h 40m
Multiple Airlines
Fri 17/706:00
MEL
-
PDX
2 stops20h 31m
Multiple Airlines
Deal found 10/4$1,268
Thu 28/515:30
PDX
-
MEL
2 stops26h 50m
Multiple Airlines
Thu 4/606:00
MEL
-
PDX
2 stops25h 45m
Multiple Airlines
Deal found 13/4$1,269
Sun 10/519:45
PDX
-
MEL
2 stops25h 30m
Multiple Airlines
Sun 17/520:45
MEL
-
PDX
2 stops29h 45m
Multiple Airlines
Deal found 10/4$1,274
Tue 5/519:45
PDX
-
MEL
2 stops22h 35m
Multiple Airlines
Tue 19/506:00
MEL
-
PDX
2 stops20h 30m
Multiple Airlines
Deal found 14/4$1,275
Tue 4/815:30
PDX
-
MEL
2 stops27h 50m
Air Canada
Tue 18/806:00
MEL
-
PDX
2 stops30h 11m
Air Canada
Deal found 13/4$1,279
Sun 23/815:30
PDX
-
MEL
2 stops26h 50m
Multiple Airlines
Sat 12/918:45
MEL
-
PDX
2 stops31h 46m
Multiple Airlines
Deal found 10/4$1,314
Thu 3/1219:10
PDX
-
MEL
2 stops25h 25m
Air Canada
Thu 10/1218:50
MEL
-
PDX
2 stops33h 35m
Air Canada
Deal found 12/4$1,330
Thu 7/515:30
PDX
-
MEL
2 stops26h 35m
Air Canada
Thu 21/520:45
MEL
-
PDX
2 stops39h 25m
Air Canada
Deal found 11/4$1,414
Wed 3/619:20
SEA
-
MEL
2 stops23h 00m
Multiple Airlines
Wed 17/606:00
MEL
-
SEA
2 stops25h 23m
Multiple Airlines
Deal found 12/4$1,434
Tue 12/519:20
SEA
-
MEL
2 stops25h 55m
Multiple Airlines
Tue 19/506:00
MEL
-
SEA
2 stops25h 20m
Multiple Airlines
Deal found 12/4$1,477

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 15 April 2026.

Round-trip from

$1,267

One-way from

$720

Popular in

December

Cheapest in

March

Average price

$1,853
8/5-21/5
  • 8/5-21/5
  • 4 total stops
  • 52h 00m total
  • Washington to Melbourne
Search Deals
19/6
  • 19/6
  • 2 total stops
  • 22h 35m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($395 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($59 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 15 April 2026.
Use the filters below to find and compare flights from Washington to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 20/8

14:50-06:45

1 stop22h 55m

Melbourne

Fri 28/8

09:45-16:50

1 stop24h 05m

$1,560

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 5/9

14:50-06:45

1 stop22h 55m

Melbourne

Sat 19/9

09:45-13:32

1 stop20h 47m

$1,560

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 21/8

10:00-07:50

1 stop28h 50m

Melbourne

Fri 28/8

10:00-19:26

1 stop26h 26m

$1,586

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 20/8

19:14-07:50

2 stops43h 36m

Melbourne

Fri 28/8

10:00-18:11

2 stops25h 11m

$1,593

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 29/5

07:05-07:50

2 stops31h 45m

Melbourne

Fri 5/6

10:00-16:23

1 stop23h 23m

$1,593

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 4/8

17:37-06:45

1 stop20h 08m

Melbourne

Tue 18/8

09:45-13:44

1 stop20h 59m

$1,701

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 10/5

17:35-08:15

1 stop21h 40m

Melbourne

Sun 17/5

10:55-14:06

1 stop20h 11m

$1,716

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 26/5

13:14-08:15

1 stop26h 01m

Melbourne

Tue 9/6

10:55-20:54

1 stop26h 59m

$1,716

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 22/8

19:13-08:15

1 stop20h 02m

Melbourne

Sun 30/8

10:55-20:50

1 stop26h 55m

$1,716

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 21/6

18:46-08:15

1 stop20h 29m

Melbourne

Sun 23/8

10:55-14:47

1 stop20h 52m

$1,716

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 34 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 Airport

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

Currently, August is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $1,134). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,834). 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 Airport?

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 Airport?

    For as low as $1,857, Delta can have you in Melbourne Airport from State of Washington in 21h 53m. There are 13164 km between State of Washington and Melbourne Airport. Both multi-stop and direct flights can be found to your destination and back.

  • 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 Airport?

    Currently, August is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $1,134). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,834). 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 Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Dandenong
Geelong
Apollo Bay
Ballarat
Lorne
Phillip Island
St Kilda
Tullamarine
Shepparton
Sorrento
Torquay
Daylesford
Mornington
Brighton

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 15 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,422Average$1,911FlexibilityNo 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?

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 Melbourne from Washington.

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, Cheapflights offers price alerts on Washington to Melbourne flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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