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$519+ Cheap flights from Portland (PDX) to Melbourne

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

This American Airlines deal was found by Cheapflights users on 11/25. 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 11/265:42 pmPDX - MEL
1 stop20h 48mAmerican Airlines
Wed 12/34:05 pmMEL - PDX
1 stop24h 19mAmerican Airlines
Deal found 11/25$950
This Cheapflightsfares deal was found by Cheapflights users on 11/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:26 pmPDX - MEL
1 stop22h 04mQantas Airways
Tue 1/133:45 pmMEL - PDX
2 stops24h 03mQantas Airways
Deal found 11/25$970
This Ovago deal was found by Cheapflights users on 11/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:26 pmPDX - MEL
1 stop22h 04mQantas Airways
Wed 1/1412:00 pmMEL - PDX
1 stop20h 35mQantas Airways
Deal found 11/25$980
This Qantas Airways deal was found by Cheapflights users on 11/25. 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 12/264:26 pmPDX - MEL
1 stop22h 04mQantas Airways
Thu 1/1512:00 pmMEL - PDX
1 stop20h 41mQantas Airways
Deal found 11/25$1,002
This United Airlines deal was found by Cheapflights users on 11/25. 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.
Sat 12/1310:10 amPDX - MEL
1 stop28h 50mUnited Airlines
Sat 12/201:00 pmMEL - PDX
1 stop28h 46mUnited Airlines
Deal found 11/25$1,020
This Justfly.com deal was found by Cheapflights users on 11/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:26 pmPDX - MEL
1 stop22h 04mQantas Airways
Mon 1/129:00 pmMEL - PDX
2 stops42h 48mQantas Airways
Deal found 11/25$1,048
This Ovago deal was found by Cheapflights users on 11/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:26 pmPDX - MEL
2 stops22h 59mQantas Airways
Tue 1/1312:00 pmMEL - PDX
1 stop20h 41mQantas Airways
Deal found 11/25$1,117
This Qantas Airways deal was found by Cheapflights users on 11/25. 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.
Thu 12/254:26 pmPDX - MEL
2 stops23h 59mQantas Airways
Thu 1/1512:00 pmMEL - PDX
1 stop20h 41mQantas Airways
Deal found 11/25$1,139
This Ovago deal was found by Cheapflights users on 11/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:20 amPDX - MEL
1 stop32h 10mQantas Airways
Wed 1/1412:00 pmMEL - PDX
1 stop20h 35mQantas Airways
Deal found 11/25$1,160
This Expedia deal was found by Cheapflights users on 11/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:15 pmPDX - AVV
2 stops29h 35mMultiple Airlines
Tue 12/28:55 pmAVV - PDX
2 stops36h 45mMultiple Airlines
Deal found 11/25$1,512
This Expedia deal was found by Cheapflights users on 11/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:41 amPDX - AVV
2 stops37h 29mMultiple Airlines
Tue 12/308:55 pmAVV - PDX
2 stops44h 06mMultiple Airlines
Deal found 11/23$1,869
This Mytrip deal was found by Cheapflights users on 11/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:50 amPDX - AVV
3 stops35h 00mMultiple Airlines
Mon 12/296:00 amAVV - PDX
2 stops31h 30mMultiple Airlines
Deal found 11/23$2,696

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 November 26, 2025.

Round-trip from

$871
(Jetabroad)

One-way from

$519
(Qantas Airways)

Popular in

December

Cheapest in

November

Average price

$1,008
From Portland to Melbourne
Search Deals
One-way flight from Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 26, 2025.
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

Thu 1/15

6:22 pm-9:30 am

1 stop20h 08m

Melbourne

Tue 1/20

12:00 pm-2:48 pm

1 stop21h 48m

$950

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

11:48 am-9:30 am

2 stops26h 42m

Melbourne

Sat 3/7

4:05 pm-9:17 pm

1 stop24h 12m

$954

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 4/4

5:42 pm-6:45 am

1 stop20h 03m

Melbourne

Sun 5/3

9:45 am-4:26 pm

2 stops23h 41m

$954

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

7:11 pm-8:00 am

2 stops41h 49m

Melbourne

Sun 6/14

10:00 am-11:53 pm

2 stops30h 53m

$985

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 1/6

5:00 am-9:30 am

2 stops33h 30m

Melbourne

Mon 4/6

10:55 am-8:33 pm

1 stop26h 38m

$1,018

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 2/28

1:18 pm-9:30 am

2 stops25h 12m

Melbourne

Mon 3/9

12:00 pm-5:51 pm

2 stops23h 51m

$1,018

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 12/13

10:10 am-10:00 am

1 stop28h 50m

Melbourne

Sat 12/20

1:00 pm-10:46 pm

1 stop28h 46m

$1,020

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 12/26

4:26 pm-9:30 am

1 stop22h 04m

Melbourne

Mon 1/12

9:00 pm-8:48 pm

2 stops42h 48m

$1,048

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 3/17

5:39 pm-3:50 pm

2 stops28h 11m

Melbourne Avalon

Tue 3/31

9:40 pm-10:08 pm

2 stops42h 28m

$1,790

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Fri 12/12

5:41 am-2:10 pm

2 stops37h 29m

Melbourne Avalon

Tue 12/30

8:55 pm-10:01 pm

2 stops44h 06m

$1,869

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 37 results
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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 $862). Flying from Portland to Melbourne in June is currently the most expensive (average of $1,288). 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.

What is the cheapest time of day to fly from PDX to MEL?

Find hourly flight availability from Portland to Melbourne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

One of the essential ways to save on airfare from Portland to Melbourne is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 38% on airfare.

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 November 26, 2025.
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
944 reviews

Crew

8.2

Entertainment

7.2

Food

7.0

Boarding

7.7

Comfort

7.5

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
944 reviews
Qantas Airways
7.5
Good
944 reviews

Crew

8.2

Entertainment

7.2

Food

7.0

Boarding

7.7

Comfort

7.5

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
9,047 reviews
Qantas Airways
7.5
Good
944 reviews

Crew

8.2

Entertainment

7.2

Food

7.0

Boarding

7.7

Comfort

7.5

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
10,481 reviews
Qantas Airways
7.5
Good
944 reviews

Crew

8.2

Entertainment

7.2

Food

7.0

Boarding

7.7

Comfort

7.5

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?

    American Airlines, Delta, and Qantas Airways can get you from Portland to Melbourne in just under 20h 08m. Your travel time can differ by up to 21h 41m. 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 $957, respectively. Users have found that Qantas Airways is 42% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Portland to Melbourne one-way?

    $519 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Qantas Airways and United Airlines, with prices starting from $550 and $565, respectively.

  • 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 $862). Flying from Portland to Melbourne in June is currently the most expensive (average of $1,288). 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$757Average$1,255FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$928Average$1,279FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$957Average$1,255FlexibilityNo cancel feeOn-time69%

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