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$408+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Melbourne are usually found in November or April, 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 (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 June 12, 2025.

Round-trip from

$833
(Air Canada)

One-way from

$408
(Orbitz)

Popular in

December

Cheapest in

November

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. 6% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($26 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 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/11. 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 9/147:40 pmPDX - MEL
2 stops22h 55mMultiple Airlines
Sun 9/286:00 amMEL - PDX
2 stops20h 21mMultiple Airlines
Deal found 6/11$833
This Orbitz deal was found by Cheapflights users on 6/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/145:35 pmPDX - AVV
2 stops27h 35mMultiple Airlines
Sun 9/288:55 pmAVV - PDX
2 stops33h 29mMultiple Airlines
Deal found 6/11$984
This Justfly.com deal was found by Cheapflights users on 6/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/92:56 pmPDX - MEL
2 stops26h 39mQantas Airways
Sat 8/231:30 pmMEL - PDX
2 stops24h 45mQantas Airways
Deal found 6/11$1,037
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:05 pmPDX - MEL
2 stops23h 30mAir Canada
Wed 11/198:10 amMEL - PDX
2 stops20h 24mAir Canada
Deal found 6/10$1,152
This Jetabroad deal was found by Cheapflights users on 6/10. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:40 amPDX - MEL
2 stops33h 25mHawaiian Airlines
Sun 8/314:30 pmMEL - PDX
2 stops23h 10mHawaiian Airlines
Deal found 6/10$1,231
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/39:47 amPDX - MEL
1 stop29h 28mUnited Airlines
Sun 8/1710:55 amMEL - PDX
2 stops23h 41mUnited Airlines
Deal found 6/10$1,246
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:30 pmPDX - AVV
2 stops32h 20mQantas Airways
Wed 11/196:00 amAVV - PDX
2 stops29h 50mQantas Airways
Deal found 6/12$1,719
This oojo deal was found by Cheapflights users on 6/11. 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.
Wed 11/512:30 pmPDX - MEL
2 stops47h 40mCathay Pacific
Tue 11/1812:45 amMEL - PDX
2 stops39h 05mCathay Pacific
Deal found 6/11$1,722
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/167:35 pmPDX - MEL
2 stops23h 20mAir New Zealand
Sun 7/276:55 pmMEL - PDX
2 stops42h 42mAir New Zealand
Deal found 6/10$1,801
This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:21 amPDX - MEL
3 stops51h 24mSingapore Airlines
Mon 11/1012:35 amMEL - PDX
2 stops28h 57mSingapore Airlines
Deal found 6/12$1,924
This oojo deal was found by Cheapflights users on 6/10. 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 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 6/10$2,034
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:55 pmPDX - MEL
3 stops28h 55mAir Tahiti Nui
Tue 11/116:45 amMEL - PDX
3 stops34h 16mAir Tahiti Nui
Deal found 6/12$2,297

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 12, 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

Sun 9/14

7:40 pm-11:35 am

2 stops22h 55m

Melbourne

Sun 9/28

6:00 am-9:21 am

2 stops20h 21m

$833

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sun 9/14

5:35 pm-2:10 pm

2 stops27h 35m

Melbourne Avalon

Sun 9/28

8:55 pm-1:24 pm

2 stops33h 29m

$984

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 8/9

2:56 pm-10:35 am

2 stops26h 39m

Melbourne

Sat 8/23

1:30 pm-9:15 pm

2 stops24h 45m

$1,037

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 11/5

7:05 pm-1:35 pm

2 stops23h 30m

Melbourne

Wed 11/19

8:10 am-9:34 am

2 stops20h 24m

$1,152

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 8/29

7:40 am-10:05 am

2 stops33h 25m

Melbourne

Sun 8/31

4:30 pm-10:40 pm

2 stops23h 10m

$1,231

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 8/3

9:47 am-8:15 am

1 stop29h 28m

Melbourne

Sun 8/17

10:55 am-5:36 pm

2 stops23h 41m

$1,246

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Wed 11/5

12:30 pm-3:50 pm

2 stops32h 20m

Melbourne Avalon

Wed 11/19

6:00 am-4:50 pm

2 stops29h 50m

$1,719

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 11/5

12:30 pm-7:10 am

2 stops47h 40m

Melbourne

Tue 11/18

12:45 am-8:50 pm

2 stops39h 05m

$1,722

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 7/16

7:35 pm-11:55 am

2 stops23h 20m

Melbourne

Sun 7/27

6:55 pm-8:37 pm

2 stops42h 42m

$1,801

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 11/5

7:21 am-5:45 am

3 stops51h 24m

Melbourne

Mon 11/10

12:35 am-10:32 am

2 stops28h 57m

$1,924

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 results
1
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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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Melbourne, you should look to book at least 85 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, March is the cheapest month in which you can book a flight from Portland to Melbourne (average of $1,071). Flying from Portland to Melbourne 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 12, 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 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?

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 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.

Rainfall in Melbourne by month

Plan your trip to Melbourne by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Melbourne ranges from 1.2 - 2.4 inches per month. November is typically the wettest month, when rainfall can reach 2.4 in. March is typically the driest time to visit Melbourne when rainfall is around 1.2 in.

Temperature in Melbourne by month

Plan your trip to Melbourne by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Melbourne, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 46.4 F).

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 12, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Singapore Airlines and Air New Zealand from Portland to Melbourne. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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
1,302 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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
483 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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.
Hawaiian Airlines
7.9
Good
2,494 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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.
Qantas Airways
7.5
Good
854 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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?

    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.

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

    Currently priced at $1,037, 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 Hawaiian Airlines - these airlines can fly you to your destination from $1,152 and $1,231, respectively. Users have found that Qantas Airways is 23% 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, March is the cheapest month in which you can book a flight from Portland to Melbourne (average of $1,071). Flying from Portland to Melbourne 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$957Average$1,294FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$996Average$1,246FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,173Average$1,428FlexibilityNo cancel feeOn-time74%

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