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$590+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
1 adult, Economy
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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 May 9, 2026.

This American Airlines deal was found by Cheapflights users on 5/5. 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.
Fri 9/251:33 pm
PDX
-
MEL
2 stops24h 12m
American Airlines
Sun 10/189:45 am
MEL
-
PDX
1 stop22h 19m
American Airlines
Deal found 5/5$1,073
This United Airlines deal was found by Cheapflights users on 5/5. 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 5/71:37 pm
PDX
-
MEL
1 stop25h 38m
United Airlines
Thu 5/2110:55 am
MEL
-
PDX
1 stop18h 14m
United Airlines
Deal found 5/5$1,084
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Wed 6/1711:59 am
PDX
-
MEL
1 stop24h 01m
American Airlines
Fri 7/179:45 am
MEL
-
PDX
2 stops23h 53m
American Airlines
Deal found 5/6$1,086
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 6/103:27 pm
PDX
-
MEL
1 stop22h 18m
American Airlines
Wed 8/199:45 am
MEL
-
PDX
1 stop29h 54m
American Airlines
Deal found 5/8$1,090
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Fri 5/83:59 pm
PDX
-
MEL
1 stop23h 16m
United Airlines
Thu 5/2110:55 am
MEL
-
PDX
1 stop18h 14m
United Airlines
Deal found 5/4$1,092
This United Airlines deal was found by Cheapflights users on 5/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:16 am
PDX
-
MEL
1 stop27h 59m
United Airlines
Sat 8/2210:55 am
MEL
-
PDX
1 stop24h 37m
United Airlines
Deal found 5/8$1,094
This United Airlines deal was found by Cheapflights users on 5/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2611:40 pm
PDX
-
MEL
2 stops38h 50m
United Airlines
Thu 8/610:55 am
MEL
-
PDX
2 stops39h 39m
United Airlines
Deal found 5/8$1,098

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 May 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,073
(American Airlines)

One-way from

$590
(KAYAK)

Popular in

October

Cheapest in

February

Average price

$1,286
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. 8% potential increase in price ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 9, 2026.
Use the filters below to find and compare flights from Portland to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 7/1

3:27 pm-6:45 am

1 stop22h 18m

Melbourne

Wed 8/19

9:45 am-10:39 pm

1 stop29h 54m

$1,089

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 6/25

3:27 pm-6:45 am

1 stop22h 18m

Melbourne

Fri 7/3

9:45 am-10:39 pm

1 stop29h 54m

$1,090

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 9/2

5:10 pm-7:50 am

1 stop21h 40m

Melbourne

Wed 9/23

10:00 am-7:26 pm

1 stop26h 26m

$1,100
Quickest round-trip

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 7/1

11:16 am-8:15 am

1 stop27h 59m

Melbourne

Wed 8/19

10:55 am-12:00 pm

1 stop18h 05m

$1,224

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 6/5

8:35 am-7:30 am

3 stops29h 55m

Melbourne

Thu 6/11

10:55 am-12:09 pm

1 stop18h 14m

$1,227

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 8/8

12:50 pm-8:15 am

2 stops26h 25m

Melbourne

Wed 8/12

10:55 am-5:43 pm

2 stops23h 48m

$1,228

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 7/17

2:49 pm-12:00 pm

2 stops28h 11m

Melbourne

Mon 8/17

1:30 pm-8:48 pm

2 stops24h 18m

$1,480
Cheapest one-way

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 9/2

8:40 am-7:30 am

2 stops29h 50m

$590
Quickest one-way

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 9/2

10:35 am-7:30 am

2 stops27h 55m

$591

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 9/2

10:15 am-7:50 am

2 stops28h 35m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 11 resultsSorted by cheapest first
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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 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, February is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $984). Flying from Portland to Melbourne Airport in October is currently the most expensive (average of $1,767). 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 May 9, 2026.
Read reviews from past customers who have flown Qantas Airways,United Airlines, andAir 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
1,033 reviews

Comfort

7.5

Entertainment

7.2

Boarding

7.7

Crew

8.1

Food

7.0

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
Qantas Airways
7.5
Good
1,033 reviews
Qantas Airways
7.5
Good
1,033 reviews

Comfort

7.5

Entertainment

7.2

Boarding

7.7

Crew

8.1

Food

7.0

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
United Airlines
7.4
Good
9,692 reviews
Qantas Airways
7.5
Good
1,033 reviews

Comfort

7.5

Entertainment

7.2

Boarding

7.7

Crew

8.1

Food

7.0

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
Air Canada
7.1
Good
11,008 reviews
Qantas Airways
7.5
Good
1,033 reviews

Comfort

7.5

Entertainment

7.2

Boarding

7.7

Crew

8.1

Food

7.0

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.

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, Delta, and United Airlines fly from Portland to Melbourne Airport in about 21h 40m. The time it takes to get you to your destination can typically vary by up to 6h 19m. 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 $928 and $974, 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, February is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $984). Flying from Portland to Melbourne Airport in October is currently the most expensive (average of $1,767). 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
Phillip Island
Tullamarine
Doncaster

Browse thousands of different options on Cheapflights for your next trip

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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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$757Average$1,111FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$928Average$1,008FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$974Average$1,263FlexibilityNo cancel feeOn-time69%

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