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Cheap flights from Washington to Melbourne Airport from $584

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
16 Nov — 23 Nov1
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 October 2025.

Round-trip from

$1,389

One-way from

$584

Popular in

December

Cheapest in

February

Average price

$2,031
Philippine Airlines
  • Philippine Airlines
  • 4/3-11/3
  • 2 total stops
  • 63h 00m total
  • Washington to Melbourne
Search Deals
29/11
  • 29/11
  • 2 total stops
  • 44h 55m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($589 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($142 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 17 October 2025.

Thu 23/1014:45PDX - MEL
1 stop22h 00mAmerican Airlines
Thu 6/1112:00MEL - PDX
1 stop24h 12mAmerican Airlines
Deal found 16/10$1,455
Sat 15/1111:40PDX - MEL
2 stops26h 50mAmerican Airlines
Sat 22/1112:00MEL - PDX
2 stops26h 49mAmerican Airlines
Deal found 16/10$1,470
Thu 27/1106:00PDX - MEL
1 stop32h 30mAmerican Airlines
Thu 4/1212:00MEL - PDX
1 stop24h 28mAmerican Airlines
Deal found 15/10$1,475
Tue 30/1216:26PDX - MEL
1 stop22h 04mQantas Airways
Wed 14/112:00MEL - PDX
1 stop20h 41mQantas Airways
Deal found 17/10$1,492
Mon 29/1216:26PDX - MEL
1 stop22h 04mQantas Airways
Sat 10/112:00MEL - PDX
1 stop23h 49mQantas Airways
Deal found 15/10$1,549
Sun 28/1215:54PDX - MEL
1 stop23h 06mUnited Airlines
Tue 13/113:00MEL - PDX
1 stop24h 44mUnited Airlines
Deal found 15/10$1,561
Thu 23/1014:30PDX - MEL
2 stops25h 05mQantas Airways
Thu 6/1112:00MEL - PDX
1 stop23h 50mQantas Airways
Deal found 16/10$1,566
Thu 27/1121:30SEA - MEL
1 stop40h 05mMultiple Airlines
Mon 8/1212:00MEL - SEA
1 stop21h 24mMultiple Airlines
Deal found 15/10$1,598
Mon 3/1119:57SEA - MEL
2 stops45h 48mMultiple Airlines
Sat 15/1114:15MEL - SEA
2 stops22h 15mMultiple Airlines
Deal found 14/10$1,669
Wed 3/1212:36SEA - MEL
1 stop25h 54mUnited Airlines
Mon 22/1213:00MEL - SEA
1 stop27h 07mUnited Airlines
Deal found 15/10$1,684
Mon 8/1212:35SEA - MEL
2 stops25h 55mUnited Airlines
Mon 22/1213:00MEL - SEA
1 stop24h 45mUnited Airlines
Deal found 15/10$1,692
Fri 14/1107:00SEA - MEL
2 stops21h 35mMultiple Airlines
Sun 16/1118:20MEL - SEA
2 stops30h 15mMultiple Airlines
Deal found 16/10$1,880

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 October 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

Fri 6/3

15:41-10:00

1 stop23h 19m

Melbourne

Sun 15/3

12:00-12:37

1 stop18h 37m

$1,561

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 5/4

13:35-08:15

1 stop25h 40m

Melbourne

Sun 12/4

09:30-00:19

2 stops31h 49m

$1,561

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 22/2

13:40-10:00

1 stop25h 20m

Melbourne

Sun 8/3

12:00-17:45

1 stop24h 45m

$1,561

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 30/12

19:45-10:00

1 stop19h 15m

Melbourne

Tue 13/1

13:00-12:41

1 stop18h 41m

$1,561

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 28/12

15:54-10:00

1 stop23h 06m

Melbourne

Tue 13/1

13:00-18:44

1 stop24h 44m

$1,561

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 4/1

09:00-10:00

2 stops30h 00m

Melbourne

Sun 18/1

13:00-18:10

2 stops24h 10m

$1,567

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 13/3

19:30-09:00

1 stop19h 30m

Melbourne

Thu 26/3

10:30-17:46

2 stops25h 16m

$1,567

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 22/2

19:49-10:00

1 stop19h 11m

Melbourne

Thu 5/3

13:00-20:49

2 stops26h 49m

$1,569

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 30/12

14:45-09:30

2 stops23h 45m

Melbourne

Wed 14/1

13:00-21:12

2 stops27h 12m

$1,569

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/2

17:53-09:30

1 stop20h 37m

Melbourne

Mon 20/4

09:45-14:16

1 stop21h 31m

$1,649

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 33 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 $1,246). Flying from State of Washington to Melbourne Airport in April is currently the most expensive (average of $1,865). 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 $1,561, United Airlines can have you in Melbourne Airport from State of Washington in 23h 19m. 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 $1,246). Flying from State of Washington to Melbourne Airport in April is currently the most expensive (average of $1,865). 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
Apollo Bay
Ballarat
St Kilda
Lorne
Tullamarine
Phillip Island
Shepparton
Daylesford
Torquay
Mornington
Sorrento
Brighton
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 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,552Average$2,219FlexibilityNo 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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