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Cheap flights from Washington to Melbourne Airport from $598

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Washington to Melbourne

Keep the following information in mind while searching for Washington to Melbourne flight deals. Data was last updated 17 September 2025.

Round-trip from

$1,257

One-way from

$598

Popular in

December

Cheapest in

February

Average price

$1,870
Air Canada
  • Air Canada
  • 30/10-6/11
  • 4 total stops
  • 44h 06m total
  • Washington to Melbourne
Search Deals
Air Canada
  • Air Canada
  • 11/11
  • 2 total stops
  • 22h 35m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($453 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($120 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Washington to Melbourne

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 17 September 2025.

Thu 30/1020:00SEA - MEL
2 stops22h 45mMultiple Airlines
Thu 6/1107:10MEL - SEA
2 stops21h 21mMultiple Airlines
Deal found 14/9$1,257
Tue 21/1019:15SEA - MEL
2 stops22h 55mMultiple Airlines
Sun 18/108:10MEL - SEA
2 stops25h 21mMultiple Airlines
Deal found 15/9$1,286
Sun 19/1019:15SEA - MEL
2 stops25h 05mMultiple Airlines
Fri 31/1006:30MEL - SEA
2 stops21h 01mMultiple Airlines
Deal found 14/9$1,287
Fri 5/1220:00SEA - MEL
2 stops43h 35mAir Canada
Tue 12/506:00MEL - SEA
2 stops25h 16mAir Canada
Deal found 16/9$1,326
Fri 5/1220:00SEA - MEL
2 stops43h 35mAir Canada
Thu 7/520:45MEL - SEA
2 stops33h 16mAir Canada
Deal found 16/9$1,334
Mon 8/1215:40SEA - MEL
2 stops31h 00mAir Canada
Tue 12/506:00MEL - SEA
2 stops24h 01mAir Canada
Deal found 16/9$1,338
Mon 8/1220:00SEA - MEL
2 stops26h 40mAir Canada
Mon 11/520:30MEL - SEA
2 stops29h 51mAir Canada
Deal found 16/9$1,346
Tue 25/1120:00SEA - MEL
2 stops23h 45mMultiple Airlines
Tue 2/1206:45MEL - SEA
2 stops21h 46mMultiple Airlines
Deal found 16/9$1,365
Thu 18/910:55PDX - MEL
2 stops28h 20mUnited Airlines
Thu 2/1010:55MEL - PDX
2 stops27h 11mUnited Airlines
Deal found 16/9$1,459
Thu 23/1019:35PDX - MEL
1 stop19h 40mUnited Airlines
Fri 31/1012:00MEL - PDX
1 stop20h 46mUnited Airlines
Deal found 16/9$1,462
Fri 31/1020:00SEA - MEL
2 stops27h 25mMultiple Airlines
Fri 21/1108:10MEL - SEA
2 stops20h 21mMultiple Airlines
Deal found 16/9$1,464
Thu 30/1020:00SEA - MEL
2 stops28h 15mMultiple Airlines
Sun 9/1107:25MEL - SEA
2 stops21h 06mMultiple Airlines
Deal found 16/9$1,468

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 17 September 2025.
Use the filters below to find and compare flights from Washington to Melbourne Airport that are best for you.

Fly from

Washington

Fly to

Melbourne

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 7/3

13:35-10:00

1 stop25h 25m

Melbourne

Fri 13/3

12:00-12:27

1 stop18h 27m

$1,462

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 5/3

05:45-09:30

2 stops32h 45m

Melbourne

Sat 14/3

10:30-00:19

2 stops31h 49m

$1,462

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 5/3

19:30-10:00

1 stop19h 30m

Melbourne

Fri 13/3

12:00-20:05

1 stop26h 05m

$1,462

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 6/3

19:30-10:00

1 stop19h 30m

Melbourne

Sat 14/3

10:30-00:19

2 stops31h 49m

$1,462

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 13/3

15:41-09:00

1 stop23h 19m

Melbourne

Thu 26/3

12:00-14:42

1 stop20h 42m

$1,462

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 17/1

05:00-10:00

2 stops34h 00m

Melbourne

Sat 24/1

13:00-12:33

1 stop18h 33m

$1,468

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 6/3

10:25-10:00

1 stop28h 35m

Melbourne

Mon 16/3

10:30-00:19

2 stops31h 49m

$1,492

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

19:49-10:00

1 stop19h 11m

Melbourne

Sat 7/3

11:30-00:19

2 stops31h 49m

$1,492

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 3/3

19:49-10:00

1 stop19h 11m

Melbourne

Fri 13/3

10:30-00:19

2 stops31h 49m

$1,492

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/2

17:10-10:00

1 stop21h 50m

Melbourne

Tue 24/2

11:30-11:28

1 stop18h 58m

$1,522

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 37 results
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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, May is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $132). Flying from State of Washington to Melbourne Airport in October is currently the most expensive (average of $184). 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 $1,462, United Airlines can have you in Melbourne Airport from State of Washington in 25h 25m. There are 13053 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, May is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $132). Flying from State of Washington to Melbourne Airport in October is currently the most expensive (average of $184). 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
Geelong
Dandenong
Ballarat
Apollo Bay
Tullamarine
St Kilda
Lorne
Phillip Island
Torquay
Daylesford
Shepparton
Mornington
Sorrento
Doncaster

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Melbourne

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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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,510Average$2,160FlexibilityNo 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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