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Cheap flights from Washington to Melbourne Airport from $637

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
15 Apr — 22 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 16 March 2026.

Mon 4/517:06
SEA
-
MEL
2 stops26h 19m
Multiple Airlines
Mon 18/513:30
MEL
-
SEA
2 stops27h 14m
Multiple Airlines
Deal found 11/3$1,231
Tue 14/419:05
PDX
-
MEL
2 stops23h 15m
Multiple Airlines
Thu 23/406:00
MEL
-
PDX
2 stops20h 10m
Multiple Airlines
Deal found 11/3$1,236
Thu 30/415:15
PDX
-
MEL
2 stops27h 10m
Multiple Airlines
Sat 9/520:50
MEL
-
PDX
2 stops29h 40m
Multiple Airlines
Deal found 15/3$1,237
Fri 8/519:45
PDX
-
MEL
2 stops22h 40m
Multiple Airlines
Thu 21/506:00
MEL
-
PDX
2 stops20h 30m
Multiple Airlines
Deal found 15/3$1,238
Wed 17/615:30
PDX
-
MEL
2 stops26h 35m
Air Canada
Fri 17/706:00
MEL
-
PDX
2 stops25h 51m
Air Canada
Deal found 11/3$1,246
Sun 3/519:45
PDX
-
MEL
2 stops22h 20m
Air Canada
Thu 21/506:00
MEL
-
PDX
2 stops25h 45m
Air Canada
Deal found 15/3$1,248
Sun 6/919:45
PDX
-
MEL
2 stops22h 20m
Multiple Airlines
Sat 12/920:50
MEL
-
PDX
2 stops29h 41m
Multiple Airlines
Deal found 13/3$1,250
Fri 18/919:45
PDX
-
MEL
2 stops22h 40m
Multiple Airlines
Sun 27/906:00
MEL
-
PDX
2 stops20h 31m
Multiple Airlines
Deal found 15/3$1,271
Sun 4/1023:10
SEA
-
MEL
1 stop38h 20m
Philippine Airlines
Sun 11/1009:00
MEL
-
SEA
1 stop29h 05m
Philippine Airlines
Deal found 15/3$1,290
Tue 28/410:57
SEA
-
MEL
2 stops32h 03m
Multiple Airlines
Tue 5/509:45
MEL
-
SEA
1 stop20h 16m
Multiple Airlines
Deal found 14/3$1,340
Tue 18/823:10
SEA
-
MEL
1 stop38h 20m
Philippine Airlines
Wed 2/908:00
MEL
-
SEA
1 stop29h 05m
Philippine Airlines
Deal found 15/3$1,349
Sun 12/715:30
PDX
-
MEL
2 stops26h 35m
Air Canada
Fri 31/706:00
MEL
-
PDX
2 stops20h 31m
Air Canada
Deal found 14/3$1,356

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 March 2026.

Round-trip from

$1,181

One-way from

$637

Popular in

November

Cheapest in

February

Average price

$1,565
Air Canada
  • Air Canada
  • 30/4-14/5
  • 4 total stops
  • 47h 20m total
  • Washington to Melbourne
Search Deals
27/4
  • 27/4
  • 2 total stops
  • 32h 28m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($388 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 16 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 17/6

13:00-07:50

1 stop25h 50m

Melbourne

Fri 17/7

10:00-23:53

2 stops30h 53m

$1,480

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 22/8

10:30-06:45

1 stop27h 15m

Melbourne

Wed 26/8

09:45-21:14

1 stop28h 29m

$1,519

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 4/8

11:16-08:15

1 stop27h 59m

Melbourne

Tue 18/8

10:55-18:11

1 stop24h 16m

$1,535

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 17/6

18:03-08:15

1 stop21h 12m

Melbourne

Mon 22/6

10:55-20:54

1 stop26h 59m

$1,535

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 22/8

19:13-08:15

1 stop20h 02m

Melbourne

Wed 26/8

10:55-17:43

2 stops23h 48m

$1,541

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 4/5

20:05-22:15

2 stops33h 10m

Melbourne

Mon 18/5

23:45-10:05

1 stop27h 20m

$1,602

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 22/4

08:42-08:15

1 stop30h 33m

Melbourne

Thu 21/5

10:55-23:10

1 stop29h 15m

$1,651

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 26/4

17:45-08:15

1 stop21h 30m

Melbourne

Sun 3/5

09:30-21:06

2 stops28h 36m

$1,678

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 14/8

16:30-07:30

1 stop22h 00m

Melbourne

Sat 29/8

10:55-17:45

2 stops23h 50m

$1,684

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 9/5

11:45-05:55

1 stop25h 10m

Melbourne

Wed 13/5

07:25-10:05

1 stop43h 40m

$1,765

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 29 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 $1,135). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,585). 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 $1,480, Delta can have you in Melbourne Airport from State of Washington in 25h 50m. 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, August is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $1,135). Flying from State of Washington to Melbourne Airport in July is currently the most expensive (average of $1,585). 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
Phillip Island
Lorne
Tullamarine
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 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,448Average$1,946FlexibilityNo 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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