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$512+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Feb 8 — Feb 151
Sun 2/8
Sun 2/15
1 adult, Economy
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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 January 9, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$950
(Air Canada)

One-way from

$512
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$1,166
Provider with most accurate pricing for Portland-Melbourne flight deals.
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Provider most trusted by Cheapflights users for Portland-Melbourne flights.
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From Portland to Melbourne
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One-way flight from Portland to Melbourne
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Highest demand for flights based on searches. 1% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 9, 2026.

This Air Canada deal was found by Cheapflights users on 1/7. 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 pmPDX - MEL
2 stops23h 20mMultiple Airlines
Tue 4/76:00 amMEL - PDX
2 stops20h 15mMultiple Airlines
Deal found 1/7$950
This Air Canada deal was found by Cheapflights users on 1/7. 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 4/97:05 pmPDX - MEL
2 stops23h 20mMultiple Airlines
Sat 4/188:50 pmMEL - PDX
2 stops29h 25mMultiple Airlines
Deal found 1/7$954
This Air Canada deal was found by Cheapflights users on 1/7. 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 2/187:05 pmPDX - MEL
2 stops25h 10mMultiple Airlines
Wed 3/186:05 amMEL - PDX
2 stops21h 10mMultiple Airlines
Deal found 1/7$956
This Air Canada deal was found by Cheapflights users on 1/7. 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.
Tue 2/247:05 pmPDX - MEL
2 stops23h 30mAir Canada
Sat 3/78:10 amMEL - PDX
2 stops25h 30mAir Canada
Deal found 1/7$957
This Air Canada deal was found by Cheapflights users on 1/7. 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.
Sun 2/227:05 pmPDX - MEL
2 stops23h 30mAir Canada
Sun 3/18:10 amMEL - PDX
2 stops20h 05mAir Canada
Deal found 1/7$960
This flugladen.de deal was found by Cheapflights users on 1/8. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:24 amPDX - MEL
1 stop31h 06mMultiple Airlines
Wed 2/1812:00 pmMEL - PDX
1 stop27h 53mMultiple Airlines
Deal found 1/8$965
This Delta deal was found by Cheapflights users on 1/8. 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.
Thu 2/57:37 pmPDX - MEL
2 stops41h 23mDelta
Wed 2/1810:10 amMEL - PDX
2 stops24h 01mDelta
Deal found 1/8$977
This Qantas Airways deal was found by Cheapflights users on 1/7. 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 2/242:47 pmPDX - MEL
2 stops23h 48mMultiple Airlines
Sat 3/712:00 pmMEL - PDX
1 stop20h 25mMultiple Airlines
Deal found 1/7$981
This Delta deal was found by Cheapflights users on 1/7. 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.
Wed 1/281:02 pmPDX - MEL
1 stop23h 58mDelta
Wed 2/410:10 amMEL - PDX
1 stop25h 15mDelta
Deal found 1/7$985
This American Airlines deal was found by Cheapflights users on 1/8. 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 2/56:22 pmPDX - MEL
1 stop20h 08mAmerican Airlines
Wed 2/184:05 pmMEL - PDX
2 stops23h 39mAmerican Airlines
Deal found 1/8$986

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 January 9, 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 4/9

10:31 am-6:45 am

1 stop27h 14m

Melbourne

Sat 4/18

9:45 am-1:37 pm

1 stop20h 52m

$950

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 4/3

7:05 pm-12:25 pm

2 stops23h 20m

Melbourne

Tue 4/7

6:00 am-9:15 am

2 stops20h 15m

$950

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/8

7:45 pm-11:25 am

2 stops22h 40m

Melbourne

Thu 5/21

6:00 am-9:30 am

2 stops20h 30m

$950

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

7:05 pm-1:35 pm

2 stops23h 30m

Melbourne

Sat 3/7

8:10 am-2:40 pm

2 stops25h 30m

$957

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 2/5

7:24 am-9:30 am

1 stop31h 06m

Melbourne

Wed 2/18

12:00 pm-8:53 pm

1 stop27h 53m

$965

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 2/5

7:52 pm-8:00 am

1 stop41h 08m

Melbourne

Wed 2/18

10:10 am-12:02 pm

1 stop20h 52m

$977

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

3:15 pm-1:35 pm

2 stops27h 20m

Melbourne

Sun 6/14

6:00 am-9:30 am

2 stops20h 30m

$977

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/1

5:51 pm-10:35 am

2 stops23h 44m

Melbourne

Thu 5/14

9:45 am-1:43 pm

1 stop20h 58m

$981

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 2/5

6:22 pm-9:30 am

1 stop20h 08m

$515

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 3/25

3:10 pm-9:30 am

2 stops24h 20m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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 January.
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 $886). Flying from Portland to Melbourne Airport in July is currently the most expensive (average of $1,221). 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 January 9, 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
968 reviews

Boarding

7.7

Crew

8.2

Overall

7.5

Entertainment

7.2

Food

7.0

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
968 reviews
Qantas Airways
7.5
Good
968 reviews

Boarding

7.7

Crew

8.2

Overall

7.5

Entertainment

7.2

Food

7.0

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
9,142 reviews
Qantas Airways
7.5
Good
968 reviews

Boarding

7.7

Crew

8.2

Overall

7.5

Entertainment

7.2

Food

7.0

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
10,603 reviews
Qantas Airways
7.5
Good
968 reviews

Boarding

7.7

Crew

8.2

Overall

7.5

Entertainment

7.2

Food

7.0

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 Air Canada fly from Portland to Melbourne Airport in about 23h 30m. 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 $947, respectively. You may be able to fly from Portland to Melbourne Airport for 39% 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 $1,221). 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
Doncaster
Phillip Island
Tullamarine

Browse thousands of different options on Cheapflights for your next trip

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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 January 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$757Average$1,166FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$928Average$1,111FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$947Average$1,227FlexibilityNo cancel feeOn-time69%

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