Find flights
When to book
FAQs

Cheap flights from Washington to Melbourne Airport from $632

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
19 Jul — 26 Jul1
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 19 June 2026.

Sun 15/1123:55
SEA
-
MEL
1 stop36h 25m
Philippine Airlines
Sun 29/1109:00
MEL
-
SEA
1 stop29h 35m
Philippine Airlines
Deal found 14/6$1,400
Mon 21/916:59
SEA
-
MEL
1 stop20h 46m
Qantas Airways
Mon 28/909:45
MEL
-
SEA
1 stop20h 54m
Qantas Airways
Deal found 18/6$1,522
Thu 6/817:02
SEA
-
MEL
1 stop20h 43m
American Airlines
Wed 19/809:45
MEL
-
SEA
1 stop23h 47m
American Airlines
Deal found 17/6$1,526
Fri 3/707:00
SEA
-
MEL
1 stop30h 45m
American Airlines
Sat 11/709:45
MEL
-
SEA
1 stop29h 00m
American Airlines
Deal found 15/6$1,536
Mon 26/1014:45
PDX
-
MEL
1 stop24h 45m
American Airlines
Thu 19/1112:00
MEL
-
PDX
1 stop29h 59m
American Airlines
Deal found 18/6$1,538
Thu 6/815:33
SEA
-
MEL
1 stop23h 42m
United Airlines
Wed 19/809:30
MEL
-
SEA
2 stops28h 45m
United Airlines
Deal found 17/6$1,542
Thu 30/715:33
SEA
-
MEL
1 stop23h 42m
United Airlines
Wed 12/809:30
MEL
-
SEA
1 stop19h 04m
United Airlines
Deal found 15/6$1,543
Wed 17/615:27
PDX
-
MEL
1 stop22h 18m
American Airlines
Fri 17/709:45
MEL
-
PDX
2 stops23h 53m
American Airlines
Deal found 16/6$1,543
Mon 5/1011:58
SEA
-
MEL
2 stops24h 47m
American Airlines
Tue 13/1009:45
MEL
-
SEA
1 stop24h 51m
American Airlines
Deal found 17/6$1,545
Thu 30/718:03
PDX
-
MEL
1 stop21h 12m
United Airlines
Wed 12/810:55
MEL
-
PDX
2 stops28h 59m
United Airlines
Deal found 16/6$1,545
Fri 6/1112:57
SEA
-
MEL
1 stop25h 33m
American Airlines
Tue 17/1123:15
MEL
-
SEA
1 stop32h 10m
American Airlines
Deal found 17/6$1,549
Sun 8/1119:10
PDX
-
MEL
2 stops23h 25m
Air Canada
Sun 29/1107:00
MEL
-
PDX
2 stops30h 31m
Air Canada
Deal found 18/6$1,551

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 19 June 2026.

Round-trip from

$1,400

One-way from

$632

Popular in

December

Cheapest in

March

Average price

$1,556
Philippine Airlines
  • Philippine Airlines
  • 15/11-29/11
  • 2 total stops
  • 66h 00m total
  • Washington to Melbourne
Search Deals
12/10
  • 12/10
  • 2 total stops
  • 32h 19m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($497 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($72 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 19 June 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

Mon 5/10

10:55-09:15

1 stop28h 20m

Melbourne

Tue 13/10

11:55-12:23

1 stop18h 28m

$1,552

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 22/9

13:03-08:15

1 stop26h 12m

Melbourne

Thu 1/10

10:55-14:27

1 stop20h 32m

$1,552
Fastest return journey

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 3/11

19:32-10:00

1 stop19h 28m

Melbourne

Thu 26/11

13:00-15:54

1 stop21h 54m

$1,553

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 1/7

13:14-08:15

1 stop26h 01m

Melbourne

Wed 19/8

10:55-12:00

1 stop18h 05m

$1,553

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 6/10

23:13-08:30

2 stops39h 17m

Melbourne

Sat 17/10

11:55-14:22

1 stop20h 27m

$1,559

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 1/7

07:00-07:30

2 stops31h 30m

Melbourne

Fri 31/7

10:55-12:08

1 stop18h 13m

$1,559

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 29/8

08:40-08:15

2 stops30h 35m

Melbourne

Fri 11/9

10:55-17:42

2 stops23h 47m

$1,561

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 28/7

12:50-08:15

2 stops26h 25m

Melbourne

Tue 11/8

10:55-12:00

1 stop18h 05m

$1,561

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 14/10

12:45-08:30

2 stops25h 45m

Melbourne

Wed 11/11

13:00-18:31

1 stop24h 31m

$1,561

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 28/7

11:16-08:15

1 stop27h 59m

Melbourne

Wed 5/8

09:30-15:13

2 stops22h 43m

$1,561

Flights are sorted by cheapest return flights first.

Deals found on 18/6

Showing 1-10 of 29 resultsSorted by cheapest first
1
2
3

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 $138). Flying from State of Washington to Melbourne Airport in May is currently the most expensive (average of $1,440). 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 $1,552, United Airlines can have you in Melbourne Airport from State of Washington in 28h 20m. There are 13164 km between State of Washington and Melbourne Airport.

  • 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 $138). Flying from State of Washington to Melbourne Airport in May is currently the most expensive (average of $1,440). 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
Tullamarine
Lorne
Shepparton
St Kilda
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 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,440Average$1,785FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.