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Cheap flights from Washington to Melbourne Airport from $690

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
31 Jul — 7 Aug1
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 1 July 2026.

Fri 3/717:30
SEA
-
MEL
1 stop21h 20m
Delta
Wed 29/710:00
MEL
-
SEA
1 stop23h 40m
Delta
Deal found 30/6$1,433
Fri 3/707:15
SEA
-
MEL
2 stops31h 35m
Delta
Fri 24/710:00
MEL
-
SEA
1 stop19h 30m
Delta
Deal found 30/6$1,439
Thu 2/720:25
SEA
-
MEL
1 stop42h 25m
Delta
Sun 26/710:00
MEL
-
SEA
1 stop27h 27m
Delta
Deal found 30/6$1,443
Thu 2/720:25
SEA
-
MEL
1 stop42h 25m
Delta
Wed 29/710:00
MEL
-
SEA
2 stops25h 33m
Delta
Deal found 30/6$1,449
Mon 3/814:50
SEA
-
MEL
1 stop24h 00m
Delta
Wed 2/910:00
MEL
-
SEA
1 stop27h 30m
Delta
Deal found 28/6$1,476
Sun 2/821:46
SEA
-
MEL
1 stop41h 04m
Delta
Wed 2/910:00
MEL
-
SEA
1 stop23h 37m
Delta
Deal found 28/6$1,487
Tue 4/818:31
SEA
-
MEL
2 stops44h 19m
Delta
Wed 2/910:00
MEL
-
SEA
2 stops29h 05m
Delta
Deal found 28/6$1,498
Mon 5/1009:59
SEA
-
MEL
1 stop28h 51m
Delta
Tue 13/1011:00
MEL
-
SEA
1 stop21h 50m
Delta
Deal found 29/6$1,520
Fri 25/920:35
SEA
-
MEL
1 stop41h 10m
Multiple Airlines
Fri 23/1009:45
MEL
-
SEA
1 stop30h 52m
Multiple Airlines
Deal found 30/6$1,529
Thu 30/713:38
SEA
-
MEL
1 stop24h 07m
Multiple Airlines
Thu 6/809:45
MEL
-
SEA
1 stop24h 00m
Multiple Airlines
Deal found 30/6$1,545
Sun 4/1019:45
PDX
-
MEL
2 stops22h 25m
Multiple Airlines
Wed 14/1006:05
MEL
-
PDX
2 stops21h 26m
Multiple Airlines
Deal found 26/6$1,546
Mon 10/819:45
PDX
-
MEL
2 stops22h 35m
Multiple Airlines
Mon 17/821:05
MEL
-
PDX
2 stops29h 26m
Multiple Airlines
Deal found 26/6$1,556

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 1 July 2026.

Round-trip from

$1,433

One-way from

$690

Popular in

December

Cheapest in

March

Average price

$1,991
Delta
  • Delta
  • 14/8-21/8
  • 2 total stops
  • 53h 44m total
  • Washington to Melbourne
Search Deals
13/8
  • 13/8
  • 2 total stops
  • 32h 26m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($505 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($76 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 1 July 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 - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 14/8

12:36-07:50

1 stop26h 14m

Melbourne

Fri 21/8

10:00-20:30

1 stop27h 30m

$1,433

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 17/8

19:35-08:15

1 stop19h 40m

Melbourne

Mon 31/8

10:10-14:24

2 stops45h 14m

$1,611

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 25/11

13:00-10:30

2 stops26h 30m

Melbourne

Mon 14/12

08:40-10:21

2 stops20h 41m

$1,695

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 14/8

14:39-06:45

1 stop23h 06m

Melbourne

Sun 30/8

09:45-16:36

1 stop23h 51m

$1,723

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 11/8

17:37-06:45

1 stop20h 08m

Melbourne

Tue 18/8

09:45-16:47

1 stop24h 02m

$1,723

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 7/9

19:35-11:20

2 stops22h 45m

Melbourne

Mon 14/9

06:30-15:45

2 stops26h 15m

$1,729

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 14/8

08:40-07:30

2 stops29h 50m

Melbourne

Sun 30/8

09:30-18:19

3 stops25h 49m

$1,745
Fastest return journey

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 26/10

18:00-09:30

1 stop21h 30m

Melbourne

Thu 19/11

22:45-23:10

1 stop19h 25m

$1,752

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 14/8

17:35-07:50

1 stop21h 15m

Melbourne

Fri 21/8

10:00-18:05

2 stops25h 05m

$1,755

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 26/10

08:40-08:30

2 stops29h 50m

Melbourne

Thu 19/11

12:45-21:02

1 stop27h 17m

$1,759

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 35 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, January is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $141). Flying from State of Washington to Melbourne Airport in June is currently the most expensive (average of $1,549). 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?

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 66 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 $1,611, Delta can have you in Melbourne Airport from State of Washington in 19h 40m. 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, January is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $141). Flying from State of Washington to Melbourne Airport in June is currently the most expensive (average of $1,549). 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
Tullamarine
Apollo Bay
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 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,467Average$1,585FlexibilityNo 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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