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Cheap flights from Portland to Melbourne Airport from $748

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Melbourne

Enter your travel dates to find the best prices.

Cheapest flights from Portland to Melbourne
Explore the most affordable flight options available from Portland to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Thu 12/317:39
PDX
-
MEL
1 stop21h 51m
Qantas Airways
Thu 19/312:00
MEL
-
PDX
1 stop27h 52m
Qantas Airways
Deal found 26/1$1,344
Thu 12/317:39
PDX
-
MEL
1 stop21h 51m
Multiple Airlines
Thu 19/312:00
MEL
-
PDX
1 stop19h 37m
Multiple Airlines
Deal found 25/1$1,370
Tue 24/217:39
PDX
-
MEL
1 stop20h 51m
Multiple Airlines
Tue 3/312:00
MEL
-
PDX
1 stop20h 25m
Multiple Airlines
Deal found 27/1$1,372
Tue 24/214:30
PDX
-
MEL
1 stop24h 00m
Qantas Airways
Sat 7/312:00
MEL
-
PDX
1 stop24h 13m
Qantas Airways
Deal found 26/1$1,375
Mon 9/206:00
PDX
-
MEL
1 stop28h 00m
American Airlines
Sun 8/312:00
MEL
-
PDX
1 stop27h 52m
American Airlines
Deal found 26/1$1,377
Sun 5/419:05
PDX
-
MEL
2 stops23h 20m
Multiple Airlines
Sat 18/420:50
MEL
-
PDX
2 stops29h 25m
Multiple Airlines
Deal found 27/1$1,379
Fri 8/519:45
PDX
-
MEL
2 stops22h 40m
Multiple Airlines
Thu 21/506:00
MEL
-
PDX
2 stops20h 30m
Multiple Airlines
Deal found 27/1$1,380
Sun 8/315:10
PDX
-
MEL
2 stops24h 20m
American Airlines
Mon 16/312:00
MEL
-
PDX
1 stop23h 08m
American Airlines
Deal found 25/1$1,383
Tue 24/219:05
PDX
-
MEL
2 stops24h 10m
Multiple Airlines
Sat 7/307:10
MEL
-
PDX
2 stops21h 05m
Multiple Airlines
Deal found 27/1$1,385
Mon 25/519:45
PDX
-
MEL
2 stops22h 40m
Multiple Airlines
Mon 1/620:40
MEL
-
PDX
2 stops29h 50m
Multiple Airlines
Deal found 26/1$1,386
Tue 24/206:25
PDX
-
MEL
1 stop32h 05m
American Airlines
Sun 14/609:45
MEL
-
PDX
1 stop28h 44m
American Airlines
Deal found 26/1$1,388

Find flight deals from Portland to Melbourne

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Melbourne (MEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 January 2026.

Round-trip from

$1,344

One-way from

$748

Popular in

December

Cheapest in

February

Average price

$1,678
Qantas Airways
  • Qantas Airways
  • 12/3-19/3
  • 2 total stops
  • 49h 43m total
  • Portland to Melbourne
Search Deals
12/3
  • 12/3
  • 1 total stop
  • 25h 00m total
  • Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($74 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portland 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 28 January 2026.
Use the filters below to find and compare flights from Portland to Melbourne Airport that are best for you.

Fly from

Portland

Fly to

Melbourne

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 12/3

17:39-09:30

1 stop21h 51m

Melbourne

Thu 19/3

12:00-21:52

1 stop27h 52m

$1,344

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

17:39-09:30

1 stop20h 51m

Melbourne

Tue 3/3

12:00-13:25

1 stop20h 25m

$1,372

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 9/2

06:00-05:00

1 stop28h 00m

Melbourne

Sun 8/3

12:00-20:52

1 stop27h 52m

$1,377

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 5/4

17:38-06:45

1 stop20h 07m

Melbourne

Sat 18/4

09:45-12:39

1 stop19h 54m

$1,379

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 8/5

19:45-11:25

2 stops22h 40m

Melbourne

Thu 21/5

06:00-09:30

2 stops20h 30m

$1,380

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

06:25-09:30

1 stop32h 05m

Melbourne

Sun 14/6

09:45-21:29

1 stop28h 44m

$1,389

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

14:47-09:35

2 stops23h 48m

Melbourne

Sat 7/3

12:00-17:13

1 stop24h 13m

$1,415

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 19/3

17:38-11:25

2 stops23h 47m

Melbourne

Tue 24/3

12:00-17:08

1 stop23h 08m

$1,419

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 1/3

19:11-08:00

2 stops41h 49m

Melbourne

Wed 11/3

09:10-18:15

2 stops27h 05m

$1,426

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 9/2

10:00-08:00

2 stops27h 00m

Melbourne

Sun 8/3

10:10-15:55

2 stops24h 45m

$1,426

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Showing 1-10 of 12 results
1
2

Best time to book a flight from Portland to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from Portland 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 Portland to Melbourne Airport

What is the cheapest month to book a flight from Portland to Melbourne Airport?

Currently, December is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $1,275). Flying from Portland to Melbourne Airport in July is currently the most expensive (average of $1,757). 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 Portland to Melbourne Airport?

Related info for your journey

Find useful and relevant information for your journey from Portland to Melbourne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Melbourne?

    Located just 9.7 km from the city centre, Portland is the airport most travellers will use when flying to Melbourne from Portland. Booking flights from Portland (PDX) to Melbourne should be relatively easy as there are 0 daily outbound flights to Melbourne from 0 different airlines.

  • How long is the flight from Portland to Melbourne Airport?

    A quick flight from Portland to Melbourne Airport can take about 21h 51m. Qantas Airways provides one of the quickest options available for as low as $1,344. There are 13053 km between Portland and Melbourne Airport. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Portland to Melbourne that include hotel bookings?

    Yes. In addition to deals on Portland to Melbourne flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portland to Melbourne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Melbourne.

  • Can I find deals for business class flights from Portland to Melbourne?

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Melbourne Airport?

    Currently, December is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $1,275). Flying from Portland to Melbourne Airport in July is currently the most expensive (average of $1,757). 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
Apollo Bay
Ballarat
St Kilda
Tullamarine
Lorne
Phillip Island
Sorrento
Shepparton
Torquay
Daylesford
Mornington
Brighton

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Cheapflights makes it easy to find Portland to Melbourne flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portland 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 Portland.

Can Cheapflights find flights from Portland to Melbourne with no change fees?

Yes, we can. To see specific flights from Portland to Melbourne with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Portland to Melbourne become cheaper?

Yes! Start tracking prices for Portland to Melbourne flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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