HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Melbourne

$471+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Melbourne with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 (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 July 3, 2025.

Round-trip from

$1,072
(Air Canada)

One-way from

$471
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,312
From Portland to Melbourne
Search Deals
One-way flight from Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 3, 2025.

This Air Canada deal was found by Cheapflights users on 7/3. 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 8/43:25 pmPDX - MEL
2 stops26h 40mAir Canada
Mon 8/116:00 amMEL - PDX
2 stops25h 50mAir Canada
Deal found 7/3$1,064
This FlightHub deal was found by Cheapflights users on 7/2. 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.
Fri 8/13:25 pmPDX - MEL
2 stops33h 55mMultiple Airlines
Fri 8/86:00 amMEL - PDX
2 stops29h 46mMultiple Airlines
Deal found 7/2$1,102
This Expedia deal was found by Cheapflights users on 7/1. 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.
Thu 7/313:00 pmPDX - AVV
2 stops36h 15mMultiple Airlines
Thu 8/74:40 pmAVV - PDX
2 stops22h 53mMultiple Airlines
Deal found 7/1$1,147
This Cheapflightsfares deal was found by Cheapflights users on 7/3. 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 11/143:30 pmPDX - MEL
2 stops26h 50mQantas Airways
Tue 11/251:30 pmMEL - PDX
2 stops27h 31mQantas Airways
Deal found 7/3$1,163
This Jetabroad deal was found by Cheapflights users on 6/30. 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.
Mon 9/157:40 amPDX - MEL
2 stops32h 40mHawaiian Airlines
Fri 9/195:30 pmMEL - PDX
2 stops22h 10mHawaiian Airlines
Deal found 6/30$1,229
This American Airlines deal was found by Cheapflights users on 7/3. 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 10/18:30 amPDX - MEL
1 stop29h 15mAmerican Airlines
Wed 10/2211:55 amMEL - PDX
1 stop27h 15mAmerican Airlines
Deal found 7/3$1,231
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/245:40 pmPDX - MEL
1 stop21h 35mUnited Airlines
Sun 9/710:55 amMEL - PDX
1 stop24h 37mUnited Airlines
Deal found 7/3$1,246
This oojo deal was found by Cheapflights users on 7/1. 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 10/152:45 pmPDX - AVV
2 stops36h 20mQantas Airways
Sun 10/266:00 amAVV - PDX
2 stops32h 35mQantas Airways
Deal found 7/1$1,738

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 July 3, 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

Mon 8/4

3:25 pm-11:05 am

2 stops26h 40m

Melbourne

Mon 8/11

6:00 am-2:50 pm

2 stops25h 50m

$1,064

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 8/1

3:25 pm-6:20 pm

2 stops33h 55m

Melbourne

Fri 8/8

6:00 am-6:46 pm

2 stops29h 46m

$1,102

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Thu 7/31

3:00 pm-8:15 pm

2 stops36h 15m

Melbourne Avalon

Thu 8/7

4:40 pm-10:33 pm

2 stops22h 53m

$1,147

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 11/14

3:30 pm-1:20 pm

2 stops26h 50m

Melbourne

Tue 11/25

1:30 pm-10:01 pm

2 stops27h 31m

$1,163

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 9/15

7:40 am-9:20 am

2 stops32h 40m

Melbourne

Fri 9/19

5:30 pm-10:40 pm

2 stops22h 10m

$1,229

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 10/1

8:30 am-6:45 am

1 stop29h 15m

Melbourne

Wed 10/22

11:55 am-9:10 pm

1 stop27h 15m

$1,231

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 8/24

5:40 pm-8:15 am

1 stop21h 35m

Melbourne

Sun 9/7

10:55 am-6:32 pm

1 stop24h 37m

$1,246

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Wed 10/15

2:45 pm-9:05 pm

2 stops36h 20m

Melbourne Avalon

Sun 10/26

6:00 am-8:35 pm

2 stops32h 35m

$1,738

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Mon 8/11

9:30 pm-10:50 pm

3 stops56h 20m

$471

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 8/11

9:30 pm-6:15 pm

3 stops51h 45m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 15 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

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 27, 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 July 3, 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.

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 July 3, 2025.
Peruse reviews from past customers who have flown with Delta, Hawaiian Airlines, and Cathay Pacific 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.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Hawaiian Airlines
7.8
Good
2,545 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Cathay Pacific
7.6
Good
921 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qantas Airways
7.5
Good
868 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $1,072, 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 Qantas Airways and Hawaiian Airlines - these airlines can fly you to your destination from $1,163 and $1,229, respectively. Users have found that Air Canada is 21% cheaper than the other options available to this destination.

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

    $502 is the cheapest one-way deal found within the past few days, from Qantas Airways. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $827 and $907, 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, 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

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$957Average$1,292FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$996Average$1,248FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,070Average$1,422FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.