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Cheap flights from Washington to Melbourne Airport from $740

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
7 Sep — 14 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 8 August 2026.

Mon 9/1111:06 -
1 stop27h 24m
Wed 18/1113:45 -
2 stops23h 41m
Deal found 3/8$1,387
Tue 10/1111:06 -
1 stop27h 24m
Wed 18/1113:45 -
2 stops23h 41m
Deal found 3/8$1,389
Thu 12/1111:06 -
1 stop27h 24m
Wed 18/1113:45 -
2 stops23h 41m
Deal found 3/8$1,390
Sun 18/1019:45 -
2 stops22h 25m
Tue 27/1006:05 -
2 stops21h 21m
Deal found 5/8$1,417
Sun 11/1019:45 -
2 stops22h 25m
Sun 25/1006:05 -
2 stops21h 21m
Deal found 6/8$1,419
Wed 9/919:45 -
2 stops23h 45m
Wed 16/906:00 -
2 stops25h 46m
Deal found 7/8$1,420
Sun 16/810:10 -
2 stops35h 10m
Sat 22/819:30 -
2 stops31h 01m
Deal found 7/8$1,427
Sun 1/1119:10 -
2 stops23h 40m
Sun 8/1106:05 -
2 stops22h 21m
Deal found 6/8$1,436
Sun 23/815:30 -
2 stops26h 50m
Sat 5/917:30 -
2 stops33h 01m
Deal found 5/8$1,438
Thu 6/811:40 -
1 stop26h 05m
Mon 31/809:45 -
1 stop30h 36m
Deal found 4/8$1,447
Thu 6/807:00 -
1 stop30h 45m
Wed 19/809:45 -
1 stop30h 36m
Deal found 4/8$1,448
Wed 19/817:02 -
1 stop20h 43m
Sat 29/809:45 -
1 stop24h 07m
Deal found 4/8$1,450

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 8 August 2026.

Round-trip from

$1,417

One-way from

$740

Popular in

December

Cheapest in

March

Average price

$1,650
18/10-27/10
  • 18/10-27/10
  • 4 total stops
  • 43h 46m total
  • Washington to Melbourne
Search Deals
American Airlines
  • American Airlines
  • 22/8
  • 1 total stop
  • 30h 45m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($482 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($72 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 8 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

Wed 27/1

11:25-09:50

2 stops27h 25m

Melbourne

Wed 10/2

12:00-22:05

2 stops29h 05m

$1,567

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 5/10

12:35-08:50

1 stop26h 15m

Melbourne

Tue 13/10

11:00-19:02

2 stops26h 02m

$1,567

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 9/9

08:40-07:30

2 stops29h 50m

Melbourne

Mon 21/9

10:55-12:20

1 stop18h 25m

$1,573

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 9/9

11:03-07:30

2 stops27h 27m

Melbourne

Wed 16/9

06:00-11:21

2 stops22h 21m

$1,587

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sun 4/10

18:43-11:35

2 stops22h 52m

Melbourne

Mon 19/10

07:30-11:35

2 stops22h 05m

$1,620

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sun 22/11

19:35-10:30

1 stop19h 55m

Melbourne

Thu 3/12

12:45-15:54

1 stop22h 09m

$1,637

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Fri 25/9

09:40-07:50

2 stops29h 10m

Melbourne

Fri 23/10

11:00-18:52

2 stops25h 52m

$1,680

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 18/10

10:56-08:50

1 stop27h 54m

Melbourne

Tue 27/10

11:00-16:15

1 stop23h 15m

$1,742

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 1/11

19:26-10:30

1 stop20h 04m

Melbourne

Sun 8/11

12:45-18:24

1 stop24h 39m

$1,748

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Thu 3/9

15:43-08:15

1 stop23h 32m

Melbourne

Wed 9/9

10:55-14:57

1 stop21h 02m

$1,748

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Showing 1-10 of 31 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, March is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $1,467). Flying from State of Washington to Melbourne Airport in December is currently the most expensive (average of $2,321). 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 $1,548 and $1,736 in August.
The cheapest return price found within the last 5 days was $1,450 on American Airlines (19 Aug–29 Aug).

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 $1,567, Delta can have you in Melbourne Airport from State of Washington in 27h 25m. 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 $1,467). Flying from State of Washington to Melbourne Airport in December is currently the most expensive (average of $2,321). 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
Ballarat
Apollo Bay
Tullamarine
Shepparton
Lorne
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 8 August 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,435Average$1,550FlexibilityNo 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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