HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Melbourne

$550+ Cheap flights from Portland (PDX) to Melbourne (MEL)

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Melbourne with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 17, 2025.

This American Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:42 pmPDX - MEL
1 stop20h 48mAmerican Airlines
Tue 12/21:30 pmMEL - PDX
2 stops22h 42mAmerican Airlines
Deal found 11/17$969
This American Airlines deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:30 amPDX - MEL
1 stop28h 30mAmerican Airlines
Tue 12/1612:30 pmMEL - PDX
2 stops23h 58mAmerican Airlines
Deal found 11/15$980
This United Airlines deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:00 amPDX - MEL
2 stops33h 30mUnited Airlines
Tue 12/161:00 pmMEL - PDX
2 stops39h 38mUnited Airlines
Deal found 11/15$1,019
This oojo deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amPDX - MEL
1 stop32h 30mQantas Airways
Mon 12/17:20 pmMEL - PDX
2 stops46h 05mQantas Airways
Deal found 11/14$1,117
This Qantas Airways deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:26 pmPDX - MEL
1 stop22h 04mQantas Airways
Mon 1/122:20 pmMEL - PDX
2 stops25h 14mQantas Airways
Deal found 11/15$1,140
This Qantas Airways deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amPDX - MEL
1 stop32h 30mQantas Airways
Tue 12/24:25 pmMEL - PDX
2 stops25h 00mQantas Airways
Deal found 11/15$1,155
This Qantas Airways deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:26 pmPDX - MEL
2 stops23h 59mQantas Airways
Mon 1/124:25 pmMEL - PDX
2 stops23h 09mQantas Airways
Deal found 11/15$1,276
This United Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/133:55 pmPDX - MEL
2 stops46h 30mUnited Airlines
Sat 12/201:00 pmMEL - PDX
1 stop28h 46mUnited Airlines
Deal found 11/16$1,288
This Delta deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:59 amPDX - MEL
1 stop25h 01mDelta
Fri 1/910:10 amMEL - PDX
1 stop22h 25mDelta
Deal found 11/15$1,387
This Delta deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:10 pmPDX - MEL
2 stops41h 50mDelta
Fri 1/910:10 amMEL - PDX
1 stop22h 25mDelta
Deal found 11/15$1,391

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 November 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$925
(Expedia)

One-way from

$550
(Qantas Airways)

Popular in

December

Cheapest in

November

Average price

$1,008
Provider with most accurate pricing for Portland-Melbourne flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Melbourne flights.
Search Deals
From Portland to Melbourne
Search Deals
One-way flight from Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated November 17, 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

Sun 3/1

3:15 pm-3:15 pm

2 stops29h 00m

Melbourne

Sun 3/8

7:10 am-5:30 pm

2 stops29h 20m

$930

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 4/4

3:50 pm-6:45 am

1 stop21h 55m

Melbourne

Sun 5/3

9:45 am-10:31 pm

1 stop29h 46m

$940

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

11:48 am-9:30 am

2 stops26h 42m

Melbourne

Sat 3/7

4:05 pm-9:48 pm

1 stop24h 43m

$956

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 2/9

7:38 am-5:00 am

1 stop26h 22m

Melbourne

Tue 2/17

2:05 pm-5:11 pm

2 stops22h 06m

$980

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 4/4

3:50 pm-9:30 am

2 stops24h 40m

Melbourne

Sun 5/3

9:45 am-4:26 pm

2 stops23h 41m

$984

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 3/19

3:50 pm-11:25 am

2 stops25h 35m

Melbourne

Tue 3/24

4:25 pm-10:36 pm

2 stops24h 11m

$1,002

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 2/26

6:40 am-9:30 am

1 stop31h 50m

Melbourne

Sun 3/8

12:00 pm-9:36 pm

1 stop28h 36m

$1,011

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 3/1

1:40 pm-10:00 am

1 stop25h 20m

Melbourne

Sun 3/8

12:00 pm-1:59 pm

1 stop20h 59m

$1,015

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 2/27

1:18 pm-10:00 am

2 stops25h 42m

Melbourne

Tue 3/10

10:30 am-5:51 pm

2 stops25h 21m

$1,019

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/25

1:18 pm-10:00 am

2 stops25h 42m

Melbourne

Fri 3/6

1:00 pm-2:59 pm

1 stop20h 59m

$1,019

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 16 results
1
2

Compare providers for flights from Portland to Melbourne

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Melbourne in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Melbourne Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Portland-Melbourne Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Portland-Melbourne Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Melbourne Airport flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Melbourne Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 $862). Flying from Portland to Melbourne Airport in June is currently the most expensive (average of $1,288). 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.

What is the cheapest time of day to fly from PDX to MEL?

Find hourly flight availability from Portland to Melbourne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 17, 2025.

One of the essential ways to save on airfare from Portland to Melbourne Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 32% on airfare.

How much does it cost to fly round-trip from Portland to Melbourne Airport?

Reviews of airlines servicing Melbourne

Get insights into the airlines that provide service to Melbourne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Melbourne. Reviews last updated November 17, 2025.
Read reviews from past customers who have flown Qantas Airways, United Airlines, and Air Canada from Portland to Melbourne Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.6
Good
938 reviews

Boarding

7.7

Overall

7.6

Entertainment

7.2

Comfort

7.5

Crew

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.6
Good
938 reviews
Qantas Airways
7.6
Good
938 reviews

Boarding

7.7

Overall

7.6

Entertainment

7.2

Comfort

7.5

Crew

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
United Airlines
7.4
Good
9,014 reviews
Qantas Airways
7.6
Good
938 reviews

Boarding

7.7

Overall

7.6

Entertainment

7.2

Comfort

7.5

Crew

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Air Canada
7.1
Good
10,457 reviews
Qantas Airways
7.6
Good
938 reviews

Boarding

7.7

Overall

7.6

Entertainment

7.2

Comfort

7.5

Crew

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

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?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Melbourne. 3 airlines have flights from Portland to Melbourne on a regular basis. Booking flights from Portland to Melbourne should not be difficult; the airport handles an average of 0 outbound flights to Melbourne per day.

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

    Airlines like Qantas Airways and American Airlines fly from Portland to Melbourne Airport in about 21h 55m. The time it takes to get you to your destination can typically vary by up to 4h 47m. Portland and Melbourne Airport are separated by a distance of 8111 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Portland to Melbourne Airport round-trip?

    Flying on Air Canada is currently your cheapest option to Melbourne Airport, with prices starting at $928. Additional round-trip tickets that might be worth considering are offered by United Airlines and Qantas Airways, with the lowest prices starting at $957 and $997, respectively. You may be able to fly from Portland to Melbourne Airport for 29% less than the average price by searching for these airlines.

  • 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 vacation 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 $862). Flying from Portland to Melbourne Airport in June is currently the most expensive (average of $1,288). 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

Traveling to a place near Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Geelong
Tullamarine
Doncaster

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Melbourne

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Avalon flights

Top 3 airlines flying from Portland to Melbourne

Discover the top 3 airlines that operate flights from Portland 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 2,558,603 searches. Data last updated November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$928Average$1,405FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$957Average$1,253FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$997Average$1,570FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.