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$501+ Cheap flights from Portland (PDX) to Melbourne (MEL)

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Melbourne are usually found in August or November, booked 85 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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 (MEL). 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 June 26, 2025.

Round-trip from

$997
(Expedia)

One-way from

$501
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,386
From Portland to Melbourne
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One-way flight from Portland to Melbourne
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Highest demand for flights based on searches. 8% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 26, 2025.

This Expedia deal was found by Cheapflights users on 6/23. 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.
Mon 9/155:35 pmPDX - MEL
2 stops25h 35mMultiple Airlines
Tue 9/301:55 pmMEL - PDX
2 stops22h 15mMultiple Airlines
Deal found 6/23$997
This Air Canada deal was found by Cheapflights users on 6/24. 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.
Mon 8/47:40 pmPDX - MEL
2 stops24h 40mAir Canada
Mon 8/119:40 pmMEL - PDX
2 stops28h 50mAir Canada
Deal found 6/24$1,061
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 11/1412:30 pmPDX - MEL
2 stops27h 35mQantas Airways
Tue 11/251:30 pmMEL - PDX
2 stops27h 31mQantas Airways
Deal found 6/24$1,180
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Wed 10/155:30 amPDX - MEL
2 stops33h 00mUnited Airlines
Sun 10/2612:00 pmMEL - PDX
1 stop24h 36mUnited Airlines
Deal found 6/25$1,253
This oojo deal was found by Cheapflights users on 6/26. 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 11/55:55 pmPDX - MEL
2 stops34h 05mCathay Pacific
Tue 11/1812:45 amMEL - PDX
2 stops38h 50mCathay Pacific
Deal found 6/26$1,734
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/312:31 pmPDX - MEL
1 stop25h 14mAlaska Airlines
Sun 7/139:45 amMEL - PDX
1 stop31h 29mAlaska Airlines
Deal found 6/25$1,917
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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.
Sat 11/1510:00 pmPDX - MEL
2 stops36h 45mSingapore Airlines
Fri 11/2812:35 amMEL - PDX
2 stops31h 44mSingapore Airlines
Deal found 6/25$2,007
This oojo deal was found by Cheapflights users on 6/24. 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 12/209:30 pmPDX - MEL
2 stops28h 00mAsiana Airlines
Sun 1/1110:00 pmMEL - PDX
2 stops39h 53mAsiana Airlines
Deal found 6/24$2,050
This Gurufare deal was found by Cheapflights users on 6/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:05 pmPDX - MEL
2 stops43h 20mAir New Zealand
Sun 1/1112:10 pmMEL - PDX
2 stops25h 14mAir New Zealand
Deal found 6/25$2,116
This KAYAK deal was found by Cheapflights users on 6/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:35 pmPDX - MEL
3 stops33h 40mAir Tahiti Nui
Sun 11/306:45 amMEL - PDX
3 stops48h 15mAir Tahiti Nui
Deal found 6/23$2,456
This Flightnetwork deal was found by Cheapflights users on 6/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/97:37 amPDX - MEL
3 stops42h 48mTurkish Airlines
Sat 8/169:20 pmMEL - PDX
3 stops40h 17mTurkish Airlines
Deal found 6/25$2,589

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 June 26, 2025.
Use the filters below to find and compare flights from Portland to Melbourne Airport that are best for you.

Fly from

Portland

Fly to

Melbourne

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 9/15

5:35 pm-12:10 pm

2 stops25h 35m

Melbourne

Tue 9/30

1:55 pm-7:10 pm

2 stops22h 15m

$997

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 8/4

7:40 pm-1:20 pm

2 stops24h 40m

Melbourne

Mon 8/11

9:40 pm-9:30 am

2 stops28h 50m

$1,061

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 11/14

12:30 pm-11:05 am

2 stops27h 35m

Melbourne

Tue 11/25

1:30 pm-10:01 pm

2 stops27h 31m

$1,180

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 10/15

5:30 am-8:30 am

2 stops33h 00m

Melbourne

Sun 10/26

12:00 pm-6:36 pm

1 stop24h 36m

$1,253

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 11/5

5:55 pm-11:00 pm

2 stops34h 05m

Melbourne

Tue 11/18

12:45 am-8:35 pm

2 stops38h 50m

$1,734

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 11/15

10:00 pm-5:45 am

2 stops36h 45m

Melbourne

Fri 11/28

12:35 am-1:19 pm

2 stops31h 44m

$2,007

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 12/20

9:30 pm-8:30 pm

2 stops28h 00m

Melbourne

Sun 1/11

10:00 pm-6:53 pm

2 stops39h 53m

$2,050

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 12/20

7:05 pm-9:25 am

2 stops43h 20m

Melbourne

Sun 1/11

12:10 pm-6:24 pm

2 stops25h 14m

$2,116

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 11/14

12:35 pm-5:15 pm

3 stops33h 40m

Melbourne

Sun 11/30

6:45 am-12:00 pm

3 stops48h 15m

$2,456

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 8/9

7:37 am-7:25 pm

3 stops42h 48m

Melbourne

Sat 8/16

9:20 pm-8:37 pm

3 stops40h 17m

$2,589

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 12 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 Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Portland to Melbourne. Price data was last updated on June 20, 2025.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Melbourne Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $1,071). Flying from Portland to Melbourne Airport in December is currently the most expensive (average of $1,774). 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 June 26, 2025.

One of the essential ways to save on airfare from Portland to Melbourne Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 33% on airfare.

What is the cheapest day to fly from Portland to Melbourne Airport?

Use this chart to determine the cheapest time to fly round-trip from Portland to Melbourne. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Melbourne Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 June 26, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Asiana Airlines, and Singapore Airlines from Portland to Melbourne Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Comfort

8.1

Crew

9.0

Food

7.8

Overall

8.7

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very good
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Comfort

8.1

Crew

9.0

Food

7.8

Overall

8.7

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Asiana Airlines
8.2
Very good
449 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Comfort

8.1

Crew

9.0

Food

7.8

Overall

8.7

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very good
1,315 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Comfort

8.1

Crew

9.0

Food

7.8

Overall

8.7

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air New Zealand
8.0
Very good
485 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Comfort

8.1

Crew

9.0

Food

7.8

Overall

8.7

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Cathay Pacific
7.6
Good
912 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Comfort

8.1

Crew

9.0

Food

7.8

Overall

8.7

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Melbourne. 3 airlines have flights from Portland to Melbourne on a regular basis. Booking flights from Portland to Melbourne should not be difficult; the airport handles an average of 0 outbound flights to Melbourne per day.

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

    Flying on Air Canada is currently your cheapest option to Melbourne Airport, with prices starting at $1,061. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and United Airlines, with the lowest prices starting at $1,180 and $1,253, respectively. You may be able to fly from Portland to Melbourne Airport for 22% less than the average price by searching for these airlines.

  • 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 Airport?

    Currently, March is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $1,071). Flying from Portland to Melbourne Airport in December is currently the most expensive (average of $1,774). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Geelong
Tullamarine
Dandenong
Doncaster
Phillip Island

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 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 June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$957Average$1,293FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$996Average$1,248FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,070Average$1,422FlexibilityNo cancel feeOn-time74%

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