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Cheap flights from Washington to Melbourne Airport from $793

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
9 Jun — 16 Jun1
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 10 May 2026.

Fri 25/915:55
SEA
-
MEL
1 stop21h 50m
Qantas Airways
Fri 23/1009:45
MEL
-
SEA
1 stop20h 31m
Qantas Airways
Deal found 4/5$1,458
Fri 25/913:33
PDX
-
MEL
2 stops24h 12m
American Airlines
Sun 18/1009:45
MEL
-
PDX
1 stop22h 19m
American Airlines
Deal found 5/5$1,480
Mon 22/611:43
SEA
-
MEL
1 stop24h 17m
American Airlines
Mon 29/609:45
MEL
-
SEA
1 stop21h 12m
American Airlines
Deal found 8/5$1,481
Mon 18/515:50
SEA
-
MEL
1 stop21h 55m
Multiple Airlines
Wed 3/609:45
MEL
-
SEA
1 stop20h 18m
Multiple Airlines
Deal found 4/5$1,491
Wed 1/707:00
SEA
-
MEL
1 stop30h 45m
American Airlines
Sat 11/709:45
MEL
-
SEA
1 stop21h 03m
American Airlines
Deal found 5/5$1,492
Thu 7/513:37
PDX
-
MEL
1 stop25h 38m
United Airlines
Thu 21/510:55
MEL
-
PDX
1 stop18h 14m
United Airlines
Deal found 5/5$1,495
Thu 4/614:36
SEA
-
MEL
2 stops24h 39m
United Airlines
Sat 13/610:55
MEL
-
SEA
1 stop18h 39m
United Airlines
Deal found 8/5$1,496
Wed 27/515:33
SEA
-
MEL
1 stop23h 42m
United Airlines
Tue 16/610:55
MEL
-
SEA
1 stop20h 35m
United Airlines
Deal found 9/5$1,498
Wed 17/611:59
PDX
-
MEL
1 stop24h 01m
American Airlines
Fri 17/709:45
MEL
-
PDX
2 stops23h 53m
American Airlines
Deal found 6/5$1,498
Wed 20/511:11
SEA
-
MEL
2 stops26h 34m
American Airlines
Wed 3/609:45
MEL
-
SEA
1 stop29h 04m
American Airlines
Deal found 6/5$1,499
Fri 14/816:30
SEA
-
MEL
1 stop22h 00m
Air New Zealand
Sun 30/810:55
MEL
-
SEA
1 stop20h 27m
Air New Zealand
Deal found 5/5$1,506
Sun 16/819:35
SEA
-
MEL
1 stop19h 40m
United Airlines
Sun 30/810:55
MEL
-
SEA
1 stop20h 27m
United Airlines
Deal found 6/5$1,507

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 10 May 2026.

Round-trip from

$1,458

One-way from

$793

Popular in

December

Cheapest in

March

Average price

$1,560
Qantas Airways
  • Qantas Airways
  • 25/9-23/10
  • 2 total stops
  • 42h 21m total
  • Washington to Melbourne
Search Deals
19/9
  • 19/9
  • 3 total stops
  • 40h 40m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($469 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($62 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 10 May 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

Mon 1/6

19:05-08:15

1 stop20h 10m

Melbourne

Sat 13/6

10:55-18:47

1 stop24h 52m

$1,498

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 28/5

08:45-08:15

1 stop30h 30m

Melbourne

Tue 16/6

10:55-14:30

1 stop20h 35m

$1,498

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 27/5

08:30-07:30

1 stop30h 00m

Melbourne

Mon 15/6

10:55-12:34

1 stop18h 39m

$1,498

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 1/7

15:27-06:45

1 stop22h 18m

Melbourne

Wed 19/8

09:45-22:39

1 stop29h 54m

$1,502

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 16/8

19:35-08:15

1 stop19h 40m

Melbourne

Fri 28/8

09:30-15:48

1 stop23h 18m

$1,507
Fastest return journey

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 9/8

18:46-08:15

1 stop20h 29m

Melbourne

Sat 22/8

10:55-12:07

1 stop18h 12m

$1,507

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 15/8

13:16-08:15

1 stop25h 59m

Melbourne

Mon 31/8

10:55-16:14

1 stop22h 19m

$1,509

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 16/8

17:20-08:15

1 stop21h 55m

Melbourne

Thu 27/8

10:55-12:20

1 stop18h 25m

$1,509

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 12/8

18:52-07:30

1 stop19h 38m

Melbourne

Wed 2/9

10:55-18:29

1 stop24h 34m

$1,509

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 5/10

09:30-08:50

1 stop29h 20m

Melbourne

Tue 13/10

11:00-14:47

1 stop21h 47m

$1,517

Flights are sorted by cheapest return flights first.

Deals found on 9/5

Showing 1-10 of 30 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

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.

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 $134). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,478). 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 $1,498, United Airlines can have you in Melbourne Airport from State of Washington in 20h 10m. 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 $134). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,478). 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
Lorne
St Kilda
Shepparton
Tullamarine
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 10 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,395Average$1,875FlexibilityNo 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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