Cheap flights from Washington to Melbourne Airport from $754

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
20 Jun — 27 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 21 May 2026.

Wed 21/1015:20
SEA
-
MEL
1 stop21h 25m
Multiple Airlines
Wed 28/1023:15
MEL
-
SEA
1 stop27h 42m
Multiple Airlines
Deal found 19/5$1,396
Wed 27/506:50
SEA
-
MEL
1 stop30h 55m
Multiple Airlines
Wed 17/609:45
MEL
-
SEA
1 stop26h 26m
Multiple Airlines
Deal found 19/5$1,413
Sun 18/1015:20
SEA
-
MEL
1 stop21h 25m
Qantas Airways
Fri 6/1123:15
MEL
-
SEA
1 stop19h 49m
Qantas Airways
Deal found 19/5$1,481
Fri 25/915:58
SEA
-
MEL
1 stop21h 47m
Qantas Airways
Fri 23/1009:45
MEL
-
SEA
1 stop20h 31m
Qantas Airways
Deal found 17/5$1,483
Thu 2/711:54
PDX
-
MEL
2 stops25h 51m
American Airlines
Thu 9/709:45
MEL
-
PDX
1 stop29h 54m
American Airlines
Deal found 17/5$1,488
Thu 28/514:40
SEA
-
MEL
1 stop23h 05m
American Airlines
Wed 10/609:45
MEL
-
SEA
1 stop21h 12m
American Airlines
Deal found 21/5$1,501
Fri 2/1017:59
SEA
-
MEL
1 stop42h 46m
Qantas Airways
Fri 16/1009:45
MEL
-
SEA
1 stop20h 31m
Qantas Airways
Deal found 19/5$1,512
Wed 3/614:40
SEA
-
MEL
1 stop23h 05m
American Airlines
Wed 17/609:45
MEL
-
SEA
1 stop21h 12m
American Airlines
Deal found 19/5$1,515
Sun 24/506:50
SEA
-
MEL
1 stop30h 55m
American Airlines
Sat 13/609:45
MEL
-
SEA
1 stop21h 00m
American Airlines
Deal found 17/5$1,516
Mon 17/819:45
PDX
-
MEL
2 stops22h 35m
Multiple Airlines
Mon 7/920:30
MEL
-
PDX
2 stops30h 01m
Multiple Airlines
Deal found 21/5$1,516
Sun 9/819:45
PDX
-
MEL
2 stops25h 35m
Multiple Airlines
Sun 16/820:45
MEL
-
PDX
2 stops29h 46m
Multiple Airlines
Deal found 18/5$1,519
Wed 17/615:27
PDX
-
MEL
1 stop22h 18m
American Airlines
Fri 17/709:45
MEL
-
PDX
2 stops23h 53m
American Airlines
Deal found 21/5$1,521

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 21 May 2026.

Round-trip from

$1,396

One-way from

$754

Popular in

November

Cheapest in

March

Average price

$1,563
21/10-28/10
  • 21/10-28/10
  • 2 total stops
  • 49h 07m total
  • Washington to Melbourne
12/10
  • 12/10
  • 1 total stop
  • 21h 25m total
  • Washington to Melbourne
Highest demand for flights based on searches. 15% potential increase in price ($470 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($64 potential savings vs. average return price).
Average for round-trip flights in May 2026

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 21 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

Wed 10/6

17:20-08:15

1 stop21h 55m

Melbourne

Wed 24/6

09:30-21:10

2 stops28h 40m

$1,530

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 17/8

11:15-08:15

1 stop28h 00m

Melbourne

Mon 7/9

10:55-18:19

1 stop24h 24m

$1,530

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 3/6

17:06-07:30

1 stop21h 24m

Melbourne

Wed 10/6

10:55-18:47

1 stop24h 52m

$1,533

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 5/8

14:33-07:30

2 stops23h 57m

Melbourne

Sun 23/8

10:55-17:42

2 stops23h 47m

$1,536

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 30/7

11:02-08:15

2 stops28h 13m

Melbourne

Tue 18/8

10:55-21:31

2 stops27h 36m

$1,536

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 11/11

08:30-09:30

2 stops30h 00m

Melbourne

Fri 11/12

11:30-09:59

2 stops41h 29m

$1,539

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 24/6

17:30-07:50

1 stop21h 20m

Melbourne

Wed 22/7

10:00-18:33

2 stops25h 33m

$1,547

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 1/7

15:26-07:50

2 stops23h 24m

Melbourne

Wed 19/8

10:00-14:45

2 stops21h 45m

$1,547
Fastest return journey

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 6/6

12:50-08:15

2 stops26h 25m

Melbourne

Wed 10/6

10:55-12:10

1 stop18h 15m

$1,698

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 3/7

07:46-23:35

2 stops22h 49m

Melbourne

Sun 5/7

12:00-20:50

2 stops25h 50m

$1,712

Flights are sorted by cheapest return flights first.

Deals found on 18/5

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 $136). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,502). 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 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.

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 $1,530, United Airlines can have you in Melbourne Airport from State of Washington in 21h 55m. 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 $136). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,502). 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
Tullamarine
Shepparton
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 21 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,418Average$1,905FlexibilityNo 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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