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Cheap flights from Washington to Melbourne Airport from $798

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
15 Jun — 22 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 16 May 2026.

Thu 11/617:10
SEA
-
MEL
1 stop20h 35m
Qantas Airways
Wed 19/809:45
MEL
-
SEA
1 stop20h 54m
Qantas Airways
Deal found 11/5$1,457
Fri 25/915:55
SEA
-
MEL
1 stop21h 50m
Qantas Airways
Fri 23/1009:45
MEL
-
SEA
1 stop20h 31m
Qantas Airways
Deal found 12/5$1,477
Wed 21/1015:20
SEA
-
MEL
1 stop21h 25m
Qantas Airways
Wed 11/1123:15
MEL
-
SEA
1 stop19h 49m
Qantas Airways
Deal found 14/5$1,496
Sat 16/511:48
PDX
-
MEL
2 stops25h 57m
American Airlines
Mon 1/613:35
MEL
-
PDX
1 stop25h 04m
American Airlines
Deal found 13/5$1,496
Thu 21/514:25
SEA
-
MEL
1 stop23h 20m
Multiple Airlines
Wed 3/609:45
MEL
-
SEA
1 stop20h 18m
Multiple Airlines
Deal found 15/5$1,503
Fri 15/511:41
SEA
-
MEL
1 stop24h 19m
American Airlines
Tue 26/509:45
MEL
-
SEA
1 stop29h 04m
American Airlines
Deal found 13/5$1,510
Thu 21/508:51
SEA
-
MEL
1 stop30h 24m
United Airlines
Wed 3/609:30
MEL
-
SEA
2 stops28h 40m
United Airlines
Deal found 15/5$1,512
Sat 16/507:15
PDX
-
MEL
1 stop32h 00m
United Airlines
Mon 1/610:55
MEL
-
PDX
1 stop18h 14m
United Airlines
Deal found 13/5$1,512
Sun 18/1019:28
SEA
-
MEL
1 stop19h 47m
United Airlines
Wed 11/1111:30
MEL
-
SEA
1 stop19h 03m
United Airlines
Deal found 14/5$1,513
Wed 20/511:11
SEA
-
MEL
2 stops26h 34m
American Airlines
Sat 6/609:45
MEL
-
SEA
1 stop21h 12m
American Airlines
Deal found 12/5$1,517
Wed 17/615:27
PDX
-
MEL
1 stop22h 18m
American Airlines
Fri 17/709:45
MEL
-
PDX
2 stops23h 53m
American Airlines
Deal found 13/5$1,517
Sun 18/1019:28
SEA
-
MEL
1 stop19h 47m
United Airlines
Sun 8/1113:00
MEL
-
SEA
1 stop24h 07m
United Airlines
Deal found 14/5$1,519

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 16 May 2026.

Round-trip from

$1,457

One-way from

$798

Popular in

December

Cheapest in

March

Average price

$1,579
Qantas Airways
  • Qantas Airways
  • 11/6-19/8
  • 2 total stops
  • 41h 29m total
  • Washington to Melbourne
Search Deals
Qantas Airways
  • Qantas Airways
  • 6/10
  • 1 total stop
  • 21h 25m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($480 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($63 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 16 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

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 29/6

15:27-06:45

1 stop22h 18m

Melbourne

Mon 6/7

09:45-16:38

2 stops23h 53m

$1,517

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 24/10

13:16-09:00

1 stop25h 44m

Melbourne

Sun 8/11

13:00-12:12

1 stop18h 12m

$1,519

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 23/10

16:30-08:30

1 stop22h 00m

Melbourne

Thu 12/11

13:00-14:18

1 stop20h 18m

$1,519

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 21/10

16:30-08:30

1 stop22h 00m

Melbourne

Thu 12/11

13:00-12:12

1 stop18h 12m

$1,519

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 23/10

12:15-08:30

1 stop26h 15m

Melbourne

Wed 11/11

11:30-11:33

1 stop19h 03m

$1,519

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 5/10

15:30-09:15

1 stop23h 45m

Melbourne

Tue 13/10

11:55-20:44

1 stop26h 49m

$1,527
Fastest return journey

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 6/8

19:05-08:15

1 stop20h 10m

Melbourne

Wed 26/8

09:30-11:34

1 stop19h 04m

$1,527

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 1/6

17:20-08:15

1 stop21h 55m

Melbourne

Mon 15/6

10:55-14:30

1 stop20h 35m

$1,527

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 9/8

05:00-08:15

2 stops34h 15m

Melbourne

Sat 22/8

10:55-17:50

2 stops23h 55m

$1,532

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 1/7

10:53-07:50

1 stop27h 57m

Melbourne

Wed 19/8

10:00-12:20

1 stop19h 20m

$1,537

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 38 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 64 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 $135). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,496). 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 $1,517, American Airlines can have you in Melbourne Airport from State of Washington in 22h 18m. There are 13053 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 $135). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,496). 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
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 16 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,412Average$1,898FlexibilityNo 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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