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Cheap flights from Washington to Melbourne Airport from $611

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
6 Apr — 13 Apr1
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 7 March 2026.

Mon 20/419:05
PDX
-
MEL
2 stops23h 15m
Multiple Airlines
Thu 30/421:05
MEL
-
PDX
2 stops29h 25m
Multiple Airlines
Deal found 3/3$1,123
Fri 1/519:45
PDX
-
MEL
2 stops22h 40m
Multiple Airlines
Fri 29/506:00
MEL
-
PDX
2 stops30h 05m
Multiple Airlines
Deal found 3/3$1,125
Sun 3/519:45
PDX
-
MEL
2 stops22h 20m
Air Canada
Fri 8/506:00
MEL
-
PDX
2 stops20h 30m
Air Canada
Deal found 4/3$1,133
Fri 8/519:45
PDX
-
MEL
2 stops22h 40m
Multiple Airlines
Thu 21/506:00
MEL
-
PDX
2 stops20h 30m
Multiple Airlines
Deal found 6/3$1,176
Wed 17/619:45
PDX
-
MEL
2 stops22h 40m
Multiple Airlines
Fri 17/706:00
MEL
-
PDX
2 stops20h 31m
Multiple Airlines
Deal found 4/3$1,178
Mon 20/419:05
PDX
-
MEL
2 stops23h 15m
Multiple Airlines
Mon 27/420:40
MEL
-
PDX
2 stops29h 30m
Multiple Airlines
Deal found 6/3$1,185
Tue 4/819:45
PDX
-
MEL
2 stops22h 35m
Air Canada
Tue 18/806:00
MEL
-
PDX
2 stops20h 31m
Air Canada
Deal found 7/3$1,189
Wed 17/619:45
PDX
-
MEL
2 stops23h 35m
Air Canada
Fri 17/706:00
MEL
-
PDX
2 stops20h 31m
Air Canada
Deal found 3/3$1,247
Fri 1/519:45
PDX
-
MEL
2 stops22h 35m
Air Canada
Sun 10/521:40
MEL
-
PDX
2 stops28h 50m
Air Canada
Deal found 3/3$1,254
Sun 27/923:10
SEA
-
MEL
1 stop38h 20m
Philippine Airlines
Sun 4/1009:00
MEL
-
SEA
1 stop29h 05m
Philippine Airlines
Deal found 6/3$1,282
Fri 24/420:00
SEA
-
MEL
2 stops22h 20m
Multiple Airlines
Mon 4/506:00
MEL
-
SEA
2 stops25h 20m
Multiple Airlines
Deal found 6/3$1,284
Sun 12/415:40
SEA
-
MEL
2 stops29h 40m
Multiple Airlines
Sun 26/420:50
MEL
-
SEA
2 stops29h 48m
Multiple Airlines
Deal found 6/3$1,287

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 7 March 2026.

Round-trip from

$1,123

One-way from

$611

Popular in

November

Cheapest in

February

Average price

$1,556
20/4-30/4
  • 20/4-30/4
  • 4 total stops
  • 52h 40m total
  • Washington to Melbourne
Search Deals
10/5
  • 10/5
  • 2 total stops
  • 32h 43m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($373 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($61 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 7 March 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

Wed 13/5

17:35-08:15

1 stop21h 40m

Melbourne

Sun 17/5

10:55-14:06

1 stop20h 11m

$1,363

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 2/5

13:09-06:45

1 stop24h 36m

Melbourne

Sun 10/5

09:45-12:39

1 stop19h 54m

$1,367

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 4/8

17:35-10:00

2 stops23h 25m

Melbourne

Tue 18/8

09:45-13:36

1 stop20h 51m

$1,405

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 20/4

11:05-08:15

1 stop28h 10m

Melbourne

Thu 30/4

10:55-17:44

2 stops23h 49m

$1,440

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 17/6

08:35-07:30

3 stops29h 55m

Melbourne

Fri 17/7

09:30-17:44

2 stops25h 14m

$1,440

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 24/4

12:22-07:30

1 stop26h 08m

Melbourne

Mon 4/5

10:55-21:06

2 stops27h 11m

$1,504

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 5/4

23:59-07:30

2 stops38h 31m

Melbourne

Mon 20/4

10:55-09:46

2 stops39h 51m

$1,504

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 21/4

17:45-08:15

1 stop21h 30m

Melbourne

Sun 10/5

09:30-21:06

2 stops28h 36m

$1,568

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 24/4

16:32-07:30

1 stop21h 58m

Melbourne

Sun 3/5

10:55-12:25

1 stop18h 30m

$1,568

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 20/4

16:32-07:30

1 stop21h 58m

Melbourne

Fri 22/5

09:30-21:10

2 stops28h 40m

$1,568

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 32 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, August is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $1,129). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,576). 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.

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 $1,363, United Airlines can have you in Melbourne Airport from State of Washington in 21h 40m. 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.

  • What are the cheapest airlines to fly from State of Washington to Melbourne Airport one-way?

    One-way options have recently been found by users for as low as $466 on Air China. Other airlines that offer cheap prices include MIAT Mongolian from $499 and Cathay Pacific from $804 one-way.

  • 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, August is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $1,129). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,576). 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
St Kilda
Tullamarine
Phillip Island
Lorne
Shepparton
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 7 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,440Average$1,936FlexibilityNo 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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