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$947+ Cheap flights from Portland (PDX) to Melbourne

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
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 (ME1). 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 18, 2026.

Round-trip from

$955
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$1,166
From Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($35 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 18, 2026.

This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:40 am
PDX
-
MEL
1 stop28h 20m
American Airlines
Mon 3/94:05 pm
MEL
-
PDX
1 stop23h 57m
American Airlines
Deal found 1/16$947
This oojo deal was found by Cheapflights users on 1/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:37 pm
PDX
-
MEL
1 stop23h 08m
Multiple Airlines
Sat 4/189:45 am
MEL
-
PDX
1 stop23h 45m
Multiple Airlines
Deal found 1/16$950
This American Airlines deal was found by Cheapflights users on 1/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:09 pm
PDX
-
MEL
1 stop24h 36m
American Airlines
Thu 5/219:45 am
MEL
-
PDX
1 stop28h 44m
American Airlines
Deal found 1/18$955
This oojo deal was found by Cheapflights users on 1/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:30 pm
PDX
-
MEL
1 stop40h 15m
Multiple Airlines
Thu 8/279:45 am
MEL
-
PDX
1 stop20h 41m
Multiple Airlines
Deal found 1/17$957
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:41 pm
PDX
-
MEL
1 stop22h 04m
American Airlines
Fri 7/179:45 am
MEL
-
PDX
2 stops24h 13m
American Airlines
Deal found 1/16$960
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:25 am
PDX
-
MEL
1 stop32h 05m
American Airlines
Sat 3/74:05 pm
MEL
-
PDX
1 stop22h 11m
American Airlines
Deal found 1/16$962
This Air Canada deal was found by Cheapflights users on 1/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:05 pm
PDX
-
MEL
2 stops24h 10m
Air Canada
Sat 3/78:10 am
MEL
-
PDX
2 stops20h 05m
Air Canada
Deal found 1/16$963
This Qantas Airways deal was found by Cheapflights users on 1/18. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:47 pm
PDX
-
MEL
2 stops23h 48m
Qantas Airways
Sat 3/712:00 pm
MEL
-
PDX
1 stop24h 13m
Qantas Airways
Deal found 1/18$981
This American Airlines deal was found by Cheapflights users on 1/17. 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.
Sat 2/146:35 am
PDX
-
MEL
1 stop27h 25m
American Airlines
Sat 2/211:30 pm
MEL
-
PDX
2 stops22h 43m
American Airlines
Deal found 1/17$983
This Gurufare deal was found by Cheapflights users on 1/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:05 pm
PDX
-
AVV
2 stops24h 05m
Multiple Airlines
Tue 3/106:00 am
AVV
-
PDX
2 stops21h 15m
Multiple Airlines
Deal found 1/18$1,647
This oojo deal was found by Cheapflights users on 1/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:40 pm
PDX
-
AVV
2 stops27h 40m
Qantas Airways
Sun 9/64:40 pm
AVV
-
PDX
2 stops23h 10m
Qantas Airways
Deal found 1/16$1,844
This oojo deal was found by Cheapflights users on 1/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:41 pm
PDX
-
AVV
2 stops29h 29m
Qantas Airways
Fri 7/178:40 pm
AVV
-
PDX
2 stops41h 49m
Qantas Airways
Deal found 1/16$2,104

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 18, 2026.
Use the filters below to find and compare flights from Portland to Melbourne that are best for you.

Fly from

Portland

Fly to

Melbourne

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 3/2

5:40 am-5:00 am

1 stop28h 20m

Melbourne

Mon 3/9

4:05 pm-10:02 pm

1 stop23h 57m

$947

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 2/14

5:43 pm-9:30 am

1 stop20h 47m

Melbourne

Sat 2/21

12:00 pm-1:25 pm

1 stop20h 25m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 4/13

7:05 pm-11:25 am

2 stops23h 20m

Melbourne

Fri 5/1

6:00 am-7:05 pm

2 stops30h 05m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

2:47 pm-9:35 am

2 stops23h 48m

Melbourne

Sat 3/7

12:00 pm-5:13 pm

1 stop24h 13m

$981

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 4/13

4:41 pm-7:50 am

1 stop22h 09m

Melbourne

Fri 5/1

10:00 am-3:44 pm

1 stop22h 44m

$985

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/11

10:00 am-8:00 am

2 stops27h 00m

Melbourne

Wed 2/18

10:10 am-3:11 pm

2 stops24h 01m

$989

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

7:11 pm-8:00 am

2 stops41h 49m

Melbourne

Sun 6/14

10:00 am-8:49 pm

2 stops27h 49m

$989

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sun 3/1

7:05 pm-2:10 pm

2 stops24h 05m

Melbourne Avalon

Tue 3/10

6:00 am-9:15 am

2 stops21h 15m

$1,647

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Thu 4/9

2:37 pm-8:05 pm

2 stops36h 28m

Melbourne Avalon

Sat 4/18

8:50 am-9:35 pm

2 stops29h 45m

$2,189

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 2/24

2:30 pm-3:50 pm

2 stops30h 20m

Melbourne Avalon

Sun 6/14

8:55 pm-9:29 pm

2 stops41h 34m

$2,495

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 14 results
1
2

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

What is the cheapest month to book a flight from Portland to Melbourne?

Currently, December is the cheapest month in which you can book a flight from Portland to Melbourne (average of $886). Flying from Portland to Melbourne 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?

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 18, 2026.
Peruse reviews from past customers who have flown with Qantas Airways, United Airlines, and Air Canada from Portland to Melbourne to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
972 reviews

Overall

7.5

Entertainment

7.2

Food

7.0

Boarding

7.7

Crew

8.2

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
972 reviews
Qantas Airways
7.5
Good
972 reviews

Overall

7.5

Entertainment

7.2

Food

7.0

Boarding

7.7

Crew

8.2

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
9,176 reviews
Qantas Airways
7.5
Good
972 reviews

Overall

7.5

Entertainment

7.2

Food

7.0

Boarding

7.7

Crew

8.2

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
10,635 reviews
Qantas Airways
7.5
Good
972 reviews

Overall

7.5

Entertainment

7.2

Food

7.0

Boarding

7.7

Crew

8.2

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?

    For a flight from Portland to Melbourne, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 0 outbound flights to Melbourne per day. 3 airlines have flights to Melbourne from Portland on a regular basis.

  • How long is the flight from Portland to Melbourne?

    American Airlines, Qantas Airways, and Delta can get you from Portland to Melbourne in just under 22h 09m. Your travel time can differ by up to 6h 11m. There are 8111 mi between Portland and Melbourne. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $757, Qantas Airways will fly you from Portland to Melbourne and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from $928 and $947, respectively. Users have found that Qantas Airways is 39% cheaper than the other options available to this destination.

  • 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?

    Currently, December is the cheapest month in which you can book a flight from Portland to Melbourne (average of $886). Flying from Portland to Melbourne 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

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 Melbourne flights
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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$757Average$1,166FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$928Average$1,111FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$947Average$1,234FlexibilityNo cancel feeOn-time69%

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