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$948+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
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 December 8, 2025.

This Qantas Airways deal was found by Cheapflights users on 12/6. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:41 amPDX - MEL
1 stop32h 49mQantas Airways
Fri 12/1212:00 pmMEL - PDX
1 stop24h 28mQantas Airways
Deal found 12/6$1,013
This United Airlines deal was found by Cheapflights users on 12/8. 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.
Fri 12/267:30 amPDX - MEL
1 stop31h 30mUnited Airlines
Thu 1/151:00 pmMEL - PDX
1 stop18h 33mUnited Airlines
Deal found 12/8$1,303
This Cheapflightsfares deal was found by Cheapflights users on 12/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:26 pmPDX - MEL
2 stops26h 09mQantas Airways
Thu 1/158:15 amMEL - PDX
2 stops24h 26mQantas Airways
Deal found 12/8$1,368
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:00 amPDX - MEL
2 stops32h 30mUnited Airlines
Fri 12/1212:10 pmMEL - PDX
2 stops41h 53mUnited Airlines
Deal found 12/7$1,425
This Mytrip deal was found by Cheapflights users on 12/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:50 amPDX - MEL
3 stops33h 10mMultiple Airlines
Thu 1/156:05 amMEL - PDX
2 stops22h 10mMultiple Airlines
Deal found 12/8$2,155
This oojo deal was found by Cheapflights users on 12/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:00 pmPDX - MEL
2 stops43h 25mAir New Zealand
Sun 1/119:00 pmMEL - PDX
2 stops40h 55mAir New Zealand
Deal found 12/7$2,891
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:45 pmPDX - MEL
1 stop19h 15mUnited Airlines
Sun 1/1112:10 pmMEL - PDX
2 stops43h 24mUnited Airlines
Deal found 12/7$3,020
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:45 pmPDX - MEL
2 stops43h 50mUnited Airlines
Sat 1/31:00 pmMEL - PDX
1 stop24h 56mUnited Airlines
Deal found 12/7$3,098
This Mytrip deal was found by Cheapflights users on 12/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:00 pmPDX - AVV
2 stops24h 10mMultiple Airlines
Thu 1/156:00 amAVV - PDX
2 stops27h 40mMultiple Airlines
Deal found 12/8$3,202
This Qantas Airways deal was found by Cheapflights users on 12/5. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:30 amPDX - AVV
2 stops34h 20mQantas Airways
Fri 12/124:25 pmAVV - PDX
2 stops25h 00mQantas Airways
Deal found 12/5$3,898
This oojo deal was found by Cheapflights users on 12/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/202:47 pmPDX - AVV
2 stops30h 03mQantas Airways
Sun 1/113:00 pmAVV - PDX
2 stops24h 48mQantas Airways
Deal found 12/6$5,198
This oojo deal was found by Cheapflights users on 12/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:47 pmPDX - AVV
2 stops30h 03mQantas Airways
Sat 1/34:25 pmAVV - PDX
2 stops24h 36mQantas Airways
Deal found 12/6$5,736

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 (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 December 8, 2025.

Round-trip from

$946
(Expedia)

Popular in

December

Cheapest in

November

Average price

$1,686
From Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 8, 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

Wed 2/18

7:00 pm-2:35 pm

2 stops24h 35m

Melbourne

Fri 3/13

6:05 am-9:15 am

2 stops21h 10m

$948

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/18

6:43 am-5:00 am

1 stop27h 17m

Melbourne

Fri 3/13

12:00 pm-10:08 pm

1 stop28h 08m

$953

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 4/23

7:00 pm-11:05 am

2 stops23h 05m

Melbourne

Mon 4/27

8:50 pm-9:15 am

2 stops29h 25m

$954

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

$987

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 2/1

7:52 pm-8:00 am

1 stop41h 08m

Melbourne

Sun 2/8

10:10 am-4:25 pm

1 stop25h 15m

$988

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

7:57 pm-10:00 am

1 stop19h 03m

Melbourne

Sat 3/7

1:00 pm-3:04 pm

1 stop21h 04m

$1,016

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sun 3/8

5:42 pm-2:10 pm

2 stops26h 28m

Melbourne Avalon

Sun 3/29

6:00 am-10:08 pm

2 stops34h 08m

$1,866

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 2/24

2:30 pm-3:50 pm

2 stops30h 20m

Melbourne Avalon

Sat 3/7

4:25 pm-8:53 pm

2 stops23h 28m

$2,392

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sun 3/15

10:30 am-3:50 pm

2 stops35h 20m

Melbourne Avalon

Sun 3/29

9:40 pm-10:08 pm

2 stops42h 28m

$2,393

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sun 2/1

4:51 pm-9:45 am

2 stops21h 54m

Melbourne Avalon

Sun 2/8

8:55 pm-5:52 pm

2 stops39h 57m

$2,678

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 19 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 $909). Flying from Portland to Melbourne in June is currently the most expensive (average of $1,281). 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 December 8, 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 December 8, 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
947 reviews

Overall

7.5

Crew

8.1

Comfort

7.5

Boarding

7.7

Food

7.0

Entertainment

7.2

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
947 reviews
Qantas Airways
7.5
Good
947 reviews

Overall

7.5

Crew

8.1

Comfort

7.5

Boarding

7.7

Food

7.0

Entertainment

7.2

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
9,089 reviews
Qantas Airways
7.5
Good
947 reviews

Overall

7.5

Crew

8.1

Comfort

7.5

Boarding

7.7

Food

7.0

Entertainment

7.2

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
10,514 reviews
Qantas Airways
7.5
Good
947 reviews

Overall

7.5

Crew

8.1

Comfort

7.5

Boarding

7.7

Food

7.0

Entertainment

7.2

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 and Qantas Airways can get you from Portland to Melbourne in just under 27h 17m. Your travel time can differ by up to 3h 03m. 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 $914 and $957, respectively. Users have found that Qantas Airways is 41% 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 $909). Flying from Portland to Melbourne in June is currently the most expensive (average of $1,281). 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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$757Average$1,255FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$914Average$1,246FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$957Average$1,252FlexibilityNo cancel feeOn-time69%

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