HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Melbourne

$524+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
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 February 19, 2026.

This BusinessClass deal was found by Cheapflights users on 2/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:45 pm
PDX
-
MEL
2 stops23h 55m
Multiple Airlines
Sun 8/238:45 pm
MEL
-
PDX
2 stops29h 46m
Multiple Airlines
Deal found 2/18$850
This Air Canada deal was found by Cheapflights users on 2/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:05 pm
PDX
-
MEL
2 stops23h 15m
Multiple Airlines
Fri 5/86:00 am
MEL
-
PDX
2 stops25h 45m
Multiple Airlines
Deal found 2/18$873
This Air Canada deal was found by Cheapflights users on 2/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:45 pm
PDX
-
MEL
2 stops22h 40m
Multiple Airlines
Mon 8/318:30 pm
MEL
-
PDX
2 stops30h 01m
Multiple Airlines
Deal found 2/18$877
This Orbitz deal was found by Cheapflights users on 2/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:10 am
PDX
-
MEL
2 stops33h 10m
Air Canada
Wed 9/236:00 am
MEL
-
PDX
2 stops25h 51m
Air Canada
Deal found 2/18$879
This BusinessClass deal was found by Cheapflights users on 2/16. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:45 pm
PDX
-
MEL
2 stops23h 25m
Multiple Airlines
Fri 5/296:00 am
MEL
-
PDX
2 stops20h 30m
Multiple Airlines
Deal found 2/16$909
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Thu 3/197:49 pm
PDX
-
MEL
1 stop19h 11m
United Airlines
Tue 3/2412:00 pm
MEL
-
PDX
1 stop24h 47m
United Airlines
Deal found 2/18$917
This Air Canada deal was found by Cheapflights users on 2/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:45 pm
PDX
-
MEL
2 stops22h 40m
Multiple Airlines
Fri 7/176:00 am
MEL
-
PDX
2 stops25h 51m
Multiple Airlines
Deal found 2/17$925
This Travelocity deal was found by Cheapflights users on 2/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:05 pm
PDX
-
MEL
2 stops28h 30m
Multiple Airlines
Wed 4/86:00 am
MEL
-
PDX
2 stops25h 40m
Multiple Airlines
Deal found 2/17$926
This Air Canada deal was found by Cheapflights users on 2/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/37:05 pm
PDX
-
MEL
2 stops23h 15m
Multiple Airlines
Fri 4/106:00 am
MEL
-
PDX
2 stops25h 40m
Multiple Airlines
Deal found 2/17$930
This Air Canada deal was found by Cheapflights users on 2/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:25 pm
PDX
-
MEL
2 stops26h 40m
Air Canada
Fri 7/176:00 am
MEL
-
PDX
2 stops25h 51m
Air Canada
Deal found 2/18$933

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$850
(BusinessClass)

One-way from

$524
(oojo)

Popular in

December

Cheapest in

February

Average price

$984
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. 4% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 19, 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 4/23

7:05 pm-11:20 am

2 stops23h 15m

Melbourne

Fri 5/8

6:00 am-2:45 pm

2 stops25h 45m

$873

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 3/19

7:49 pm-9:00 am

1 stop19h 11m

Melbourne

Tue 3/24

12:00 pm-6:47 pm

1 stop24h 47m

$917

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 4/3

7:05 pm-12:20 pm

2 stops23h 15m

Melbourne

Fri 4/10

6:00 am-2:40 pm

2 stops25h 40m

$930

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 5/18

5:40 pm-6:45 am

1 stop20h 05m

Melbourne

Fri 5/29

9:45 am-1:33 pm

1 stop20h 48m

$945

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 3/16

2:30 pm-9:30 am

1 stop25h 00m

Melbourne

Mon 3/23

12:00 pm-4:30 pm

1 stop22h 30m

$945

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 4/1

2:37 pm-6:45 am

1 stop22h 08m

Melbourne

Wed 4/8

9:45 am-4:30 pm

1 stop23h 45m

$945

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 5/20

10:10 am-11:35 am

2 stops32h 25m

Melbourne

Sat 5/23

6:00 pm-9:30 am

2 stops32h 30m

$952

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/8

9:32 pm-6:45 am

1 stop40h 13m

$524

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/15

10:45 am-5:10 pm

3 stops37h 25m

$2,623

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/15

1:09 pm-3:45 pm

2 stops33h 36m

$3,394

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Showing 1-10 of 11 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
MytripPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Melbourne Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $886). Flying from Portland to Melbourne Airport in July is currently the most expensive (average of $1,265). 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 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 February 19, 2026.
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
993 reviews

Overall

7.5

Comfort

7.5

Food

7.0

Crew

8.1

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
993 reviews
Qantas Airways
7.5
Good
993 reviews

Overall

7.5

Comfort

7.5

Food

7.0

Crew

8.1

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
United Airlines
7.4
Good
9,322 reviews
Qantas Airways
7.5
Good
993 reviews

Overall

7.5

Comfort

7.5

Food

7.0

Crew

8.1

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Air Canada
7.1
Good
10,732 reviews
Qantas Airways
7.5
Good
993 reviews

Overall

7.5

Comfort

7.5

Food

7.0

Crew

8.1

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

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 United Airlines fly from Portland to Melbourne Airport in about 19h 11m. The time it takes to get you to your destination can typically vary by up to . Portland and Melbourne Airport are separated by a distance of 8111 mi.

  • 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 $928 and $974, respectively. You may be able to fly from Portland to Melbourne Airport for 40% 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 $886). Flying from Portland to Melbourne Airport in July is currently the most expensive (average of $1,265). 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
Apollo Bay
Doncaster
Phillip Island
Tullamarine

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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$757Average$1,166FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$928Average$1,111FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$974Average$1,255FlexibilityNo 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.
Site
©2026 Cheapflights