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Cheap flights from Portland to Melbourne Airport from $780

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
11 Jan — 18 Jan1
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 12 December 2025.

Sat 13/1205:00PDX - MEL
2 stops34h 00mUnited Airlines
Mon 29/1213:00MEL - PDX
1 stop24h 48mUnited Airlines
Deal found 12/12$1,533
Mon 29/1219:45PDX - MEL
1 stop19h 15mUnited Airlines
Mon 5/113:00MEL - PDX
1 stop24h 48mUnited Airlines
Deal found 11/12$2,532
Sat 13/1221:30PDX - MEL
1 stop41h 00mMultiple Airlines
Mon 29/1212:00MEL - PDX
1 stop29h 01mMultiple Airlines
Deal found 10/12$2,768
Sat 13/1205:41PDX - MEL
2 stops42h 09mQantas Airways
Mon 29/1212:00MEL - PDX
1 stop29h 01mQantas Airways
Deal found 10/12$3,247
Sat 13/1207:40PDX - MEL
1 stop26h 20mAmerican Airlines
Mon 29/1212:00MEL - PDX
1 stop28h 24mAmerican Airlines
Deal found 11/12$3,286
Sat 13/1221:30PDX - MEL
3 stops48h 45mAir Tahiti Nui
Mon 29/1213:55MEL - PDX
3 stops46h 16mAir Tahiti Nui
Deal found 12/12$3,807
Sat 20/1219:45PDX - MEL
2 stops42h 40mAir New Zealand
Sun 11/118:20MEL - PDX
2 stops43h 35mAir New Zealand
Deal found 11/12$4,189

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 12 December 2025.

Round-trip from

$1,412

One-way from

$780

Popular in

December

Cheapest in

November

Average price

$2,532
Air Canada
  • Air Canada
  • 2/2-10/2
  • 4 total stops
  • 45h 05m total
  • Portland to Melbourne
Search Deals
American Airlines
  • American Airlines
  • 28/1
  • 1 total stop
  • 28h 00m total
  • Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($174 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($83 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 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

Mon 2/2

19:05-14:05

2 stops24h 00m

Melbourne

Tue 10/2

07:10-09:15

2 stops21h 05m

$1,412

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 4/5

17:30-06:45

1 stop20h 15m

Melbourne

Fri 8/5

09:45-16:28

1 stop23h 43m

$1,431

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

14:30-09:30

1 stop24h 00m

Melbourne

Sat 7/3

12:00-13:25

1 stop20h 25m

$1,431

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

14:30-09:30

1 stop24h 00m

Melbourne

Fri 13/3

12:00-13:25

1 stop19h 25m

$1,431

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 29/4

12:16-06:45

2 stops25h 29m

Melbourne

Sun 10/5

09:45-16:26

2 stops23h 41m

$1,439

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 2/2

06:00-05:00

1 stop28h 00m

Melbourne

Tue 10/2

08:15-14:48

2 stops25h 33m

$1,473

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

19:11-08:00

2 stops41h 49m

Melbourne

Sun 14/6

10:00-23:53

2 stops30h 53m

$1,484

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 28/1

07:38-05:00

1 stop26h 22m

$780

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 28/1

05:00-10:00

2 stops34h 00m

$798

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 14/1

13:35-10:00

1 stop25h 25m

$6,233

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 11 results
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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 $1,365). Flying from Portland to Melbourne Airport in June is currently the most expensive (average of $1,924). 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 25h 29m. American Airlines provides one of the quickest options available for as low as $1,439. 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, December is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $1,365). Flying from Portland to Melbourne Airport in June is currently the most expensive (average of $1,924). 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
St Kilda
Tullamarine
Lorne
Phillip Island
Shepparton
Torquay
Daylesford
Sorrento
Mornington
Brighton
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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