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$943+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
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 12, 2026.

Round-trip from

$943
(lol.travel)

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).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
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 12, 2026.

This lol.travel deal was found by Cheapflights users on 1/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:39 pm
PDX
-
MEL
1 stop20h 51m
Qantas Airways
Wed 3/412:00 pm
MEL
-
PDX
1 stop20h 25m
Qantas Airways
Deal found 1/11$943
This American Airlines deal was found by Cheapflights users on 1/12. 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 1/236:22 pm
PDX
-
MEL
1 stop20h 08m
American Airlines
Sat 2/712:00 pm
MEL
-
PDX
2 stops26h 02m
American Airlines
Deal found 1/12$944
This oojo deal was found by Cheapflights users on 1/11. 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 2/265:39 pm
PDX
-
MEL
1 stop20h 51m
Multiple Airlines
Thu 3/512:00 pm
MEL
-
PDX
1 stop20h 25m
Multiple Airlines
Deal found 1/11$950
This Air Canada deal was found by Cheapflights users on 1/12. 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 3/87:05 pm
PDX
-
MEL
2 stops23h 20m
Multiple Airlines
Mon 4/66:00 am
MEL
-
PDX
2 stops29h 30m
Multiple Airlines
Deal found 1/12$954
This American Airlines deal was found by Cheapflights users on 1/12. 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 2/113:22 pm
PDX
-
MEL
1 stop23h 08m
American Airlines
Wed 2/184:05 pm
MEL
-
PDX
1 stop22h 11m
American Airlines
Deal found 1/12$955
This Air Canada deal was found by Cheapflights users on 1/11. 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 2/83:15 pm
PDX
-
MEL
2 stops28h 00m
Air Canada
Sun 2/157:10 am
MEL
-
PDX
2 stops26h 30m
Air Canada
Deal found 1/11$958
This Air Canada deal was found by Cheapflights users on 1/12. 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 stops23h 30m
Air Canada
Sat 3/78:10 am
MEL
-
PDX
2 stops20h 05m
Air Canada
Deal found 1/12$962
This Qantas Airways deal was found by Cheapflights users on 1/10. 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.
Fri 5/15:51 pm
PDX
-
MEL
2 stops23h 44m
Multiple Airlines
Thu 5/149:45 am
MEL
-
PDX
1 stop20h 58m
Multiple Airlines
Deal found 1/10$981
This Trip.com deal was found by Cheapflights users on 1/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:30 pm
PDX
-
MEL
1 stop23h 15m
Multiple Airlines
Sun 9/279:45 am
MEL
-
PDX
1 stop23h 42m
Multiple Airlines
Deal found 1/11$984
This Delta deal was found by Cheapflights users on 1/12. 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 6/175:10 pm
PDX
-
MEL
1 stop21h 40m
Delta
Fri 7/310:00 am
MEL
-
PDX
1 stop26h 26m
Delta
Deal found 1/12$985
This Delta deal was found by Cheapflights users on 1/12. 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 6/176:00 am
PDX
-
MEL
2 stops32h 50m
Delta
Wed 7/110:00 am
MEL
-
PDX
1 stop19h 13m
Delta
Deal found 1/12$989
This Air Canada deal was found by Cheapflights users on 1/11. 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 7/167:45 pm
PDX
-
AVV
2 stops25h 25m
Multiple Airlines
Tue 8/188:40 pm
AVV
-
PDX
2 stops29h 51m
Multiple Airlines
Deal found 1/11$1,540

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 12, 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

Wed 2/25

5:39 pm-9:30 am

1 stop20h 51m

Melbourne

Wed 3/4

12:00 pm-1:25 pm

1 stop20h 25m

$943

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 2/26

5:39 pm-9:30 am

1 stop20h 51m

Melbourne

Thu 3/5

12:00 pm-1:25 pm

1 stop20h 25m

$950

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 2/9

6:00 am-5:00 am

1 stop28h 00m

Melbourne

Sun 3/8

12:00 pm-4:08 pm

1 stop23h 08m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 3/7

5:43 pm-9:30 am

1 stop20h 47m

Melbourne

Sat 4/11

9:45 am-12:39 pm

1 stop19h 54m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 3/9

9:30 pm-9:30 am

1 stop42h 00m

Melbourne

Mon 4/6

9:45 am-4:30 pm

1 stop23h 45m

$958

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/11

6:00 am-5:00 am

1 stop28h 00m

Melbourne

Wed 2/18

4:25 pm-9:58 pm

2 stops24h 33m

$977

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

5:00 pm-8:00 am

2 stops44h 00m

Melbourne

Sun 6/14

10:00 am-11:53 pm

2 stops30h 53m

$989

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 2/9

7:10 am-8:00 am

2 stops29h 50m

Melbourne

Sun 3/8

10:10 am-3:01 pm

2 stops23h 51m

$989

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sun 3/8

5:39 pm-3:50 pm

2 stops28h 11m

Melbourne Avalon

Mon 4/6

8:50 am-9:52 pm

2 stops30h 02m

$2,079

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Wed 2/11

3:22 pm-11:15 pm

2 stops36h 53m

Melbourne Avalon

Wed 2/18

8:55 pm-8:53 pm

2 stops42h 58m

$2,351

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 20 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 12, 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
969 reviews

Food

7.0

Crew

8.2

Entertainment

7.2

Comfort

7.5

Boarding

7.7

Overall

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
969 reviews
Qantas Airways
7.5
Good
969 reviews

Food

7.0

Crew

8.2

Entertainment

7.2

Comfort

7.5

Boarding

7.7

Overall

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
9,144 reviews
Qantas Airways
7.5
Good
969 reviews

Food

7.0

Crew

8.2

Entertainment

7.2

Comfort

7.5

Boarding

7.7

Overall

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
10,618 reviews
Qantas Airways
7.5
Good
969 reviews

Food

7.0

Crew

8.2

Entertainment

7.2

Comfort

7.5

Boarding

7.7

Overall

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?

    Qantas Airways and American Airlines can get you from Portland to Melbourne in just under 20h 51m. Your travel time can differ by up to 7h 09m. 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

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 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 12, 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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