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Cheap flights from Portland to Melbourne Airport from $863

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
12 out — 19 out1
1 adult
1 adult, Economy

Cheap 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 12 setembro 2025.

Round-trip from

$1,470

One-way from

$863

Popular in

December

Cheapest in

November

Average price

$1,959
United Airlines
  • United Airlines
  • 24/10-31/10
  • 3 total stops
  • 43h 26m total
  • Portland to Melbourne
Search Deals
United Airlines
  • United Airlines
  • 15/11
  • 1 total stop
  • 29h 11m total
  • Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($92 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Portland to Melbourne

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 12 setembro 2025.

sex 12/910:55PDX - MEL
2 stops27h 35mUnited Airlines
qui 25/910:55MEL - PDX
1 stop18h 47mUnited Airlines
Deal found 11/9$1,454
sex 24/1015:50PDX - MEL
2 stops22h 40mUnited Airlines
sex 31/1012:00MEL - PDX
1 stop20h 46mUnited Airlines
Deal found 11/9$1,470
sáb 25/1010:50PDX - MEL
2 stops28h 10mUnited Airlines
sáb 1/1112:00MEL - PDX
2 stops40h 38mUnited Airlines
Deal found 10/9$1,476
qui 9/1018:25PDX - MEL
2 stops44h 05mUnited Airlines
qui 16/1011:55MEL - PDX
1 stop26h 55mUnited Airlines
Deal found 10/9$1,497
qua 5/1107:40PDX - MEL
2 stops36h 55mQantas Airways
qua 19/1112:00MEL - PDX
1 stop27h 50mQantas Airways
Deal found 11/9$1,716
ter 30/1215:15PDX - MEL
2 stops24h 20mAir Canada
ter 13/118:50MEL - PDX
2 stops33h 25mAir Canada
Deal found 10/9$1,847

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 12 setembro 2025.
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

sex 24/10

15:50-08:30

2 stops22h 40m

Melbourne

sex 31/10

12:00-14:46

1 stop20h 46m

$1,470

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

sáb 25/10

10:50-09:00

2 stops28h 10m

Melbourne

sáb 1/11

12:00-10:38

2 stops40h 38m

$1,476

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

qui 9/10

18:25-08:30

2 stops44h 05m

Melbourne

qui 16/10

11:55-17:21

2 stops23h 26m

$1,497

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

ter 24/2

05:45-09:30

2 stops32h 45m

Melbourne

sáb 7/3

11:30-00:19

2 stops31h 49m

$1,500

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

sáb 15/11

09:49-10:00

1 stop29h 11m

$863

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

sáb 15/11

15:15-14:15

2 stops28h 00m

$867

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

sex 10/10

21:59-19:55

3 stops51h 56m

$1,102

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

sex 10/10

19:35-09:15

1 stop19h 40m

$1,470

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

ter 14/10

14:45-19:20

2 stops34h 35m

$5,729

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

qua 14/1

17:30-20:30

2 stops32h 00m

$5,976

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 13 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

How far ahead should I book a flight from Portland to Melbourne Airport?

Use this chart to determine the optimal time to book a return flight from Portland to Melbourne. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from Portland to Melbourne Airport, you should look to book at least 61 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.

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

Currently, May is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $132). Flying from Portland 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 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 22h 40m. United Airlines provides one of the quickest options available for as low as $1,470. There are 13053 km between Portland and Melbourne Airport.

  • 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, May is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $132). Flying from Portland 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
Dandenong
Geelong
Ballarat
Apollo Bay
Tullamarine
St Kilda
Lorne
Phillip Island
Torquay
Daylesford
Shepparton
Mornington
Sorrento
Doncaster

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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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