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Cheap flights from Washington to Melbourne from $610

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$1,122
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$1,123
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$1,132
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$1,174
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$1,176
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$1,183
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$1,187
Mon 4/517:06
SEA
-
MEL
2 stops26h 19m
Multiple Airlines
Mon 11/513:30
MEL
-
SEA
2 stops23h 23m
Multiple Airlines
Deal found 7/3$1,243
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$1,245
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$1,252
Tue 21/417:59
SEA
-
MEL
2 stops25h 01m
Multiple Airlines
Tue 28/413:25
MEL
-
SEA
2 stops22h 15m
Multiple Airlines
Deal found 7/3$1,267
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$1,279

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

$1,122

One-way from

$610

Popular in

November

Cheapest in

February

Average price

$1,554
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 that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

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

$1,361

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

$1,365

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

$1,403

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

$1,437

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

$1,437

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 2/5

19:20-14:20

2 stops26h 00m

Melbourne Avalon

Sat 16/5

10:30-09:50

2 stops40h 20m

$1,444

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 5/4

05:00-08:15

2 stops34h 15m

Melbourne

Mon 20/4

10:55-14:46

1 stop20h 51m

$1,501

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

$1,565

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 20/4

05:00-08:15

2 stops34h 15m

Melbourne

Mon 27/4

10:55-14:46

1 stop20h 51m

$1,571

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 20/4

12:54-07:30

2 stops25h 36m

Melbourne

Fri 22/5

09:30-21:10

2 stops28h 40m

$1,571

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 58 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

What is the cheapest month to book a flight from State of Washington to Melbourne?

Currently, August is the cheapest month in which you can book a flight from State of Washington to Melbourne (average of $1,127). Flying from State of Washington to Melbourne in July is currently the most expensive (average of $1,574). 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?

    For as low as $1,361, United Airlines can have you in Melbourne from State of Washington in 21h 40m. There are 13053 km between State of Washington and Melbourne. This flight may include one or multiple stops.

  • What are the most popular routes from State of Washington to Melbourne?

    The most popular flight routes from State of Washington to Melbourne are Seattle/Tacoma Intl - Melbourne, Seattle/Tacoma Intl - Melbourne Avalon and Portland - Melbourne.

  • 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?

    Currently, August is the cheapest month in which you can book a flight from State of Washington to Melbourne (average of $1,127). Flying from State of Washington to Melbourne in July is currently the most expensive (average of $1,574). 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

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$1,438Average$1,933FlexibilityNo 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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington to Melbourne.

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, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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