$531 Cheap Flights from Portland (PDX) to Melbourne (MEL)

View $531 flight on Fri, Feb 13, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Melbourne Airport (MEL)

Cheap Flights from Portland to Melbourne (PDX-MEL)

Prices were available within the past 7 days and start at $531 for one-way flights and $976 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Sep 19 - Thu, Oct 2
PDX
Portland
MEL
Melbourne
$976 Roundtrip, just found
$976
Roundtrip
just found
Select United flight, departing Fri, Sep 19 from Portland to Melbourne, returning Thu, Oct 2, priced at $976 just found
Air Canada
Thu, Mar 19 - Tue, Mar 24
PDX
Portland
MEL
Melbourne
$976 Roundtrip, found 3 days ago
$976
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Mar 19 from Portland to Melbourne, returning Tue, Mar 24, priced at $976 found 3 days ago
United
Sat, Nov 1 - Sat, Nov 15
PDX
Portland
MEL
Melbourne
$979 Roundtrip, found 6 days ago
$979
Roundtrip
found 6 days ago
Select United flight, departing Sat, Nov 1 from Portland to Melbourne, returning Sat, Nov 15, priced at $979 found 6 days ago
United
Fri, Oct 31 - Sat, Nov 15
PDX
Portland
MEL
Melbourne
$979 Roundtrip, found 5 days ago
$979
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 31 from Portland to Melbourne, returning Sat, Nov 15, priced at $979 found 5 days ago
United
Fri, Oct 24 - Fri, Oct 31
PDX
Portland
MEL
Melbourne
$980 Roundtrip, found 16 hours ago
$980
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Oct 24 from Portland to Melbourne, returning Fri, Oct 31, priced at $980 found 16 hours ago
United
Fri, Oct 24 - Fri, Oct 31
PDX
Portland
MEL
Melbourne
$982 Roundtrip, found 16 hours ago
$982
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Oct 24 from Portland to Melbourne, returning Fri, Oct 31, priced at $982 found 16 hours ago
Air Canada
Sat, Mar 21 - Fri, Apr 10
PDX
Portland
MEL
Melbourne
$983 Roundtrip, found 5 days ago
$983
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Mar 21 from Portland to Melbourne, returning Fri, Apr 10, priced at $983 found 5 days ago
Delta
Fri, Feb 6 - Fri, Feb 20
PDX
Portland
MEL
Melbourne
$1,023 Roundtrip, found 23 hours ago
$1,023
Roundtrip
found 23 hours ago
Select Delta flight, departing Fri, Feb 6 from Portland to Melbourne, returning Fri, Feb 20, priced at $1,023 found 23 hours ago
Hawaiian Airlines
Wed, Sep 24 - Sat, Oct 4
PDX
Portland
MEL
Melbourne
$1,209 Roundtrip, found 3 days ago
$1,209
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Sep 24 from Portland to Melbourne, returning Sat, Oct 4, priced at $1,209 found 3 days ago
Qantas Airways
Mon, Sep 22 - Mon, Sep 29
PDX
Portland
MEL
Melbourne
$1,265 Roundtrip, just found
$1,265
Roundtrip
just found
Select Qantas Airways flight, departing Mon, Sep 22 from Portland to Melbourne, returning Mon, Sep 29, priced at $1,265 just found

Find the cheapest month to fly from Portland (PDX) to Melbourne (MEL)

September is typically the cheapest month to fly

From $921 - $1,847 per traveler.

Alternative airports near Melbourne

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tullamarine MEL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $1,252
MEL
Tullamarine
Cheapest
Average driving time to city center20 min
Flights from $1,252
Flights from Portland (PDX) to Melbourne (MEL)
Origin airport
Portland Intl.
Destination airport
Tullamarine
Airlines serving
Air Canada, Air New Zealand, Air Tahiti Nui, Alaska Airlines, American Airlines, Asiana Airlines, Cathay Pacific, Delta, Hawaiian Airlines, Japan Airlines, Qantas Airways, Qatar Airways, United
Roundtrip price
$975
Distance
8116 mi

Portland to Melbourne Flights

The cheapest times to fly from Portland to Melbourne

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Melbourne are during the month of September. You can find some of the cheapest flights from Portland to Melbourne with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Melbourne

Sunday is one of the best days to book for cheap flights from Portland to Melbourne: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Melbourne

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Melbourne in 2025. You can also book with separate airlines for your outbound and return journeys, from $531 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Melbourne flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Melbourne airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Tullamarine Airport (MEL) cost?
Grab a cheap one-way flight from $531 or cheap return flight from $976 from Portland Intl. Airport (PDX) to Tullamarine Airport (MEL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Tullamarine Airport (MEL)?
September is the least expensive month to fly from PDX to MEL. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Tullamarine Airport (MEL)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from PDX to MEL. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Portland Intl. Airport (PDX) to Tullamarine Airport (MEL)?
There are no daily direct flights departing from Portland Intl. Airport (PDX) to Tullamarine Airport (MEL). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from PDX to MEL?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Tullamarine Airport (MEL)?
Book a flight from Portland Intl. Airport (PDX) to Tullamarine Airport (MEL) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Tullamarine Airport (MEL) last-minute?
Booking your plane ticket from PDX to MEL shortly before your trip is generally more expensive. However, if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a PDX to MEL flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to MEL flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the stress out of travel planning. Just secure your flights and select from our extensive range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Tullamarine Airport (MEL)?
If you booked your PDX to MEL flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.