Find flights
When to book
FAQs

Cheap flights from Washington to Melbourne Airport from $745

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
16 Sep — 23 Sep1
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 17 August 2026.

Wed 14/1019:45 -
2 stops26h 50m
Wed 21/1007:10 -
2 stops20h 21m
Deal found 15/8$1,417
Sat 15/811:40 -
1 stop26h 05m
Sat 29/809:45 -
2 stops27h 12m
Deal found 13/8$1,429
Sun 1/1119:10 -
2 stops23h 40m
Sun 8/1106:05 -
2 stops22h 21m
Deal found 12/8$1,429
Sun 23/819:45 -
2 stops22h 55m
Sat 5/920:50 -
2 stops29h 41m
Deal found 14/8$1,442
Sat 15/805:00 -
2 stops34h 15m
Mon 31/810:55 -
1 stop29h 31m
Deal found 14/8$1,462
Sat 15/811:40 -
1 stop26h 05m
Mon 31/816:35 -
2 stops23h 46m
Deal found 14/8$1,463
Mon 26/1019:10 -
2 stops23h 15m
Thu 19/1106:05 -
2 stops22h 21m
Deal found 13/8$1,463
Sun 16/819:45 -
2 stops23h 50m
Sat 22/818:50 -
2 stops31h 41m
Deal found 16/8$1,465
Sat 22/812:44 -
2 stops26h 31m
Sat 5/910:55 -
2 stops27h 36m
Deal found 16/8$1,467
Thu 5/1119:10 -
2 stops24h 25m
Mon 9/1106:05 -
2 stops22h 21m
Deal found 14/8$1,470
Wed 12/816:30 -
1 stop22h 00m
Thu 3/910:55 -
1 stop26h 48m
Deal found 12/8$1,474
Mon 17/808:40 -
2 stops29h 50m
Tue 25/810:55 -
2 stops23h 47m
Deal found 14/8$1,482

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 17 August 2026.

Round-trip from

$1,417

One-way from

$745

Popular in

December

Cheapest in

March

Average price

$1,641
Air Canada
  • Air Canada
  • 14/10-21/10
  • 4 total stops
  • 47h 11m total
  • Washington to Melbourne
Search Deals
United Airlines
  • United Airlines
  • 28/8
  • 1 total stop
  • 26h 15m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($524 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($80 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 17 August 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

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Tue 17/11

07:15-08:00

1 stop29h 45m

Melbourne

Tue 1/12

10:10-16:59

1 stop25h 49m

$1,552

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Tue 1/12

19:32-10:30

1 stop19h 58m

Melbourne

Wed 9/12

11:30-11:33

1 stop19h 03m

$1,559

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sun 11/10

07:15-08:50

2 stops31h 35m

Melbourne

Sun 18/10

11:00-12:27

1 stop19h 27m

$1,559

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 30/9

09:05-08:15

1 stop30h 10m

Melbourne

Wed 7/10

10:30-11:35

1 stop19h 05m

$1,559
Fastest return journey

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 14/9

18:52-07:30

1 stop19h 38m

Melbourne

Tue 29/9

10:55-12:23

1 stop18h 28m

$1,559

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 26/10

17:09-07:00

1 stop19h 51m

Melbourne

Thu 19/11

10:10-16:26

2 stops25h 16m

$1,690

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Fri 11/9

17:40-07:50

1 stop21h 10m

Melbourne

Fri 18/9

10:00-14:53

1 stop21h 53m

$1,693

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Thu 3/12

18:51-09:30

1 stop19h 39m

Melbourne

Fri 11/12

08:30-10:21

2 stops20h 51m

$1,720

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Thu 5/11

13:05-08:00

1 stop23h 55m

Melbourne

Mon 9/11

10:10-12:10

1 stop21h 00m

$1,733

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 31/8

17:35-07:50

1 stop21h 15m

Melbourne

Wed 9/9

10:00-16:37

1 stop23h 37m

$1,733

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 32 resultsSorted by cheapest first
1
2
3
4

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, March is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $1,459). Flying from State of Washington to Melbourne Airport in December is currently the most expensive (average of $2,355). 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?

Airfare is below average for this route at the moment.
State of Washington to Melbourne Airport flights typically cost between $1,539 and $1,727 in August.
The cheapest return price found within the last 5 days was $1,489 on United Airlines (28 Aug–15 Sept).

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

To ensure you get the cheapest price possible for a flight from State of Washington to Melbourne Airport, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $1,559, Delta can have you in Melbourne Airport from State of Washington in 19h 58m. 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, March is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $1,459). Flying from State of Washington to Melbourne Airport in December is currently the most expensive (average of $2,355). 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
Geelong
Dandenong
Ballarat
Apollo Bay
Tullamarine
Lorne
Shepparton
St Kilda
Phillip Island
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 17 August 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,427Average$1,542FlexibilityNo 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.

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.