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$515+ 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Melbourne are usually found in November or February, booked 59 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/6. 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.
Thu 11/206:00 amPDX - MEL
1 stop32h 30mAmerican Airlines
Tue 12/212:00 pmMEL - PDX
1 stop24h 12mAmerican Airlines
Deal found 11/6$940
This American Airlines deal was found by Cheapflights users on 11/6. 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.
Fri 11/215:42 pmPDX - MEL
1 stop20h 48mAmerican Airlines
Fri 12/54:05 pmMEL - PDX
1 stop22h 05mAmerican Airlines
Deal found 11/6$942
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:27 pmPDX - MEL
2 stops44h 03mUnited Airlines
Tue 12/3011:30 amMEL - PDX
2 stops41h 31mUnited Airlines
Deal found 11/6$1,033
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 11/1511:40 amPDX - MEL
2 stops26h 50mAmerican Airlines
Sat 12/612:00 pmMEL - PDX
1 stop24h 28mAmerican Airlines
Deal found 11/5$1,105
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:20 amPDX - MEL
2 stops32h 05mQantas Airways
Wed 11/192:20 pmMEL - PDX
2 stops25h 30mQantas Airways
Deal found 11/4$1,242
This American Airlines deal was found by Cheapflights users on 11/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:40 amPDX - MEL
2 stops26h 50mAmerican Airlines
Wed 11/1912:00 pmMEL - PDX
1 stop24h 12mAmerican Airlines
Deal found 11/4$1,317
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 11/53:54 pmPDX - MEL
1 stop23h 06mUnited Airlines
Wed 11/191:00 pmMEL - PDX
1 stop24h 36mUnited Airlines
Deal found 11/4$1,337
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:00 amPDX - MEL
2 stops33h 30mUnited Airlines
Sun 12/281:00 pmMEL - PDX
1 stop20h 46mUnited Airlines
Deal found 11/6$1,339
This Mytrip deal was found by Cheapflights users on 11/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:50 amPDX - AVV
3 stops35h 00mMultiple Airlines
Sat 12/134:25 pmAVV - PDX
3 stops35h 50mMultiple Airlines
Deal found 11/6$2,062
This Travelocity deal was found by Cheapflights users on 11/6. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:58 pmPDX - AVV
2 stops28h 12mMultiple Airlines
Wed 12/316:00 amAVV - PDX
2 stops35h 01mMultiple Airlines
Deal found 11/6$3,539
This oojo deal was found by Cheapflights users on 11/6. 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 11/157:20 amPDX - AVV
2 stops37h 30mQantas Airways
Sat 11/298:55 pmAVV - PDX
2 stops39h 17mQantas Airways
Deal found 11/6$3,541
This oojo deal was found by Cheapflights users on 11/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:50 pmPDX - AVV
2 stops30h 00mQantas Airways
Wed 11/194:25 pmAVV - PDX
2 stops23h 25mQantas Airways
Deal found 11/4$3,600

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 6, 2025.

Round-trip from

$932
(Cheapflightsfares)

One-way from

$515
(American Airlines)

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. 7% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 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 6, 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 11/20

6:00 am-9:30 am

1 stop32h 30m

Melbourne

Tue 12/2

12:00 pm-5:12 pm

1 stop24h 12m

$940

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 1/11

4:51 pm-9:35 am

2 stops21h 44m

Melbourne

Sat 1/24

12:00 pm-5:52 pm

1 stop24h 52m

$1,145

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 12/10

10:10 am-10:00 am

1 stop28h 50m

Melbourne

Mon 12/22

1:00 pm-2:46 pm

1 stop20h 46m

$1,159

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 1/11

9:30 pm-9:30 am

1 stop41h 00m

Melbourne

Fri 1/23

12:00 pm-4:49 pm

1 stop23h 49m

$1,180

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 1/6

8:30 am-9:30 am

2 stops30h 00m

Melbourne

Mon 4/20

10:55 am-12:25 pm

1 stop18h 30m

$1,259

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 1/3

5:00 am-9:30 am

2 stops33h 30m

Melbourne

Mon 4/20

10:55 am-12:25 pm

1 stop18h 30m

$1,259

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 1/17

7:51 pm-10:00 am

1 stop19h 09m

Melbourne

Sat 1/24

1:00 pm-6:48 pm

1 stop24h 48m

$1,260

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 1/23

1:35 pm-9:30 am

3 stops48h 55m

Melbourne

Fri 2/6

11:30 am-6:10 pm

2 stops25h 40m

$1,264

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sat 1/17

2:57 pm-11:15 pm

2 stops37h 18m

Melbourne Avalon

Sat 1/24

4:25 pm-5:52 pm

2 stops44h 27m

$2,183

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Fri 12/12

9:50 am-3:50 pm

3 stops35h 00m

Melbourne Avalon

Mon 12/29

4:25 pm-9:15 am

3 stops35h 50m

$2,237

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 32 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

How far ahead should I book a flight from Portland to Melbourne?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Melbourne. Price data was last updated on October 31, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Melbourne, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $920). 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 6, 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 6, 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
927 reviews

Food

7.0

Comfort

7.5

Boarding

7.7

Overall

7.5

Crew

8.2

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
927 reviews
Qantas Airways
7.5
Good
927 reviews

Food

7.0

Comfort

7.5

Boarding

7.7

Overall

7.5

Crew

8.2

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
9,003 reviews
Qantas Airways
7.5
Good
927 reviews

Food

7.0

Comfort

7.5

Boarding

7.7

Overall

7.5

Crew

8.2

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
10,410 reviews
Qantas Airways
7.5
Good
927 reviews

Food

7.0

Comfort

7.5

Boarding

7.7

Overall

7.5

Crew

8.2

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, Qantas Airways, and United Airlines can get you from Portland to Melbourne in just under 21h 44m. Your travel time can differ by up to 10h 46m. 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 $928, Air Canada will fly you from Portland to Melbourne and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Qantas Airways - these airlines can fly you to your destination from $957 and $997, respectively. Users have found that Air Canada is 30% 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 $920). 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

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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$928Average$1,405FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$957Average$1,253FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$997Average$1,570FlexibilityNo cancel feeOn-time74%

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