HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Melbourne

$379+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
ene. 3 — ene. 101
sáb. 1/3
sáb. 1/10
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.

Cheap 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 diciembre 4, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/304:26 pmPDX - MEL
1 stop22h 04mQantas Airways
mar. 1/1312:00 pmMEL - PDX
1 stop27h 34mQantas Airways
Deal found 12/2$933
This Qantas Airways deal was found by Cheapflights users on 12/2. 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.
mar. 12/304:26 pmPDX - MEL
1 stop22h 04mMultiple Airlines
mar. 1/1312:00 pmMEL - PDX
1 stop20h 41mMultiple Airlines
Deal found 12/2$951
This Delta deal was found by Cheapflights users on 12/1. 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.
lun. 12/85:30 pmPDX - MEL
1 stop19h 30mDelta
vie. 12/1210:10 amMEL - PDX
1 stop25h 25mDelta
Deal found 12/1$981
This Qantas Airways deal was found by Cheapflights users on 12/2. 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.
lun. 12/85:41 amPDX - MEL
1 stop32h 49mQantas Airways
vie. 12/1212:00 pmMEL - PDX
1 stop27h 21mQantas Airways
Deal found 12/2$1,011
This United Airlines deal was found by Cheapflights users on 12/3. 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.
jue. 12/46:00 amPDX - MEL
2 stops32h 30mUnited Airlines
jue. 12/111:00 pmMEL - PDX
1 stop20h 47mUnited Airlines
Deal found 12/3$1,015
This United Airlines deal was found by Cheapflights users on 12/2. 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.
mar. 12/305:00 amPDX - MEL
2 stops33h 30mUnited Airlines
mar. 1/1311:30 amMEL - PDX
2 stops45h 15mUnited Airlines
Deal found 12/2$1,034

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 diciembre 4, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$933
(Cheapflightsfares)

One-way from

$379
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$1,855
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 December 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 diciembre 4, 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

mié. 2/18

3:15 pm-2:15 pm

2 stops28h 00m

Melbourne

vie. 3/13

6:05 am-9:15 am

2 stops21h 10m

$947

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

mié. 1/21

7:38 am-5:00 am

1 stop26h 22m

Melbourne

mié. 1/28

12:00 pm-2:48 pm

1 stop21h 48m

$951

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

mar. 12/30

4:26 pm-9:30 am

1 stop22h 04m

Melbourne

mar. 1/13

12:00 pm-1:41 pm

1 stop20h 41m

$951

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

mié. 2/18

5:44 am-5:00 am

1 stop28h 16m

Melbourne

vie. 3/13

4:05 pm-11:07 pm

1 stop25h 02m

$951

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

mar. 1/13

4:51 pm-9:35 am

2 stops21h 44m

Melbourne

mar. 1/20

12:00 pm-1:41 pm

1 stop20h 41m

$978

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

mar. 12/30

4:26 pm-9:30 am

1 stop22h 04m

Melbourne

mar. 1/13

6:20 pm-8:48 pm

2 stops21h 28m

$980

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

lun. 12/8

5:30 pm-8:00 am

1 stop19h 30m

Melbourne

vie. 12/12

10:10 am-4:35 pm

1 stop25h 25m

$981

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

jue. 1/29

7:37 pm-8:00 am

2 stops41h 23m

Melbourne

mié. 2/4

10:10 am-4:25 pm

1 stop25h 15m

$986

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

mar. 2/24

5:00 pm-8:00 am

2 stops44h 00m

Melbourne

dom. 6/14

10:00 am-11:53 pm

2 stops30h 53m

$986

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

lun. 2/2

12:13 pm-12:45 pm

2 stops29h 32m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 20 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 December.
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 diciembre 4, 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 diciembre 4, 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
7.5
Good
947 reviews

Food

7.0

Overall

7.5

Crew

8.1

Entertainment

7.2

Boarding

7.7

Comfort

7.5

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
7.5
Good
947 reviews
Qantas Airways
7.5
Good
947 reviews

Food

7.0

Overall

7.5

Crew

8.1

Entertainment

7.2

Boarding

7.7

Comfort

7.5

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
9,066 reviews
Qantas Airways
7.5
Good
947 reviews

Food

7.0

Overall

7.5

Crew

8.1

Entertainment

7.2

Boarding

7.7

Comfort

7.5

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
10,500 reviews
Qantas Airways
7.5
Good
947 reviews

Food

7.0

Overall

7.5

Crew

8.1

Entertainment

7.2

Boarding

7.7

Comfort

7.5

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 American Airlines and Qantas Airways fly from Portland to Melbourne Airport in about 21h 44m. The time it takes to get you to your destination can typically vary by up to 4h 38m. 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 Qantas Airways is currently your cheapest option to Melbourne Airport, with prices starting at $757. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $914 and $957, respectively. You may be able to fly from Portland to Melbourne Airport for 42% 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 diciembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$757Average$1,255FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$914Average$1,279FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$957Average$1,250FlexibilityNo cancel feeOn-time69%

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.