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$521+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
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 February 16, 2026.

This oojo deal was found by Cheapflights users on 2/15. 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 3/162:30 pm
PDX
-
MEL
1 stop25h 00m
Multiple Airlines
Mon 3/2312:00 pm
MEL
-
PDX
1 stop22h 30m
Multiple Airlines
Deal found 2/15$945
This Air Canada deal was found by Cheapflights users on 2/13. 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.
Thu 4/307:05 pm
PDX
-
AVV
2 stops28h 00m
Multiple Airlines
Sat 5/98:40 pm
AVV
-
PDX
2 stops29h 50m
Multiple Airlines
Deal found 2/13$949
This Vliegwinkel deal was found by Cheapflights users on 2/14. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:30 pm
PDX
-
MEL
1 stop24h 00m
Multiple Airlines
Wed 3/1812:00 pm
MEL
-
PDX
1 stop19h 37m
Multiple Airlines
Deal found 2/14$954
This SmartFares deal was found by Cheapflights users on 2/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:37 pm
PDX
-
MEL
1 stop22h 08m
Multiple Airlines
Tue 4/79:45 am
MEL
-
PDX
1 stop20h 52m
Multiple Airlines
Deal found 2/14$956
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Thu 4/27:05 pm
PDX
-
MEL
2 stops23h 05m
Multiple Airlines
Thu 4/96:00 am
MEL
-
PDX
2 stops20h 10m
Multiple Airlines
Deal found 2/15$959
This Qantas Airways deal was found by Cheapflights users on 2/12. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:09 pm
PDX
-
MEL
1 stop24h 36m
Multiple Airlines
Fri 5/89:45 am
MEL
-
PDX
1 stop20h 41m
Multiple Airlines
Deal found 2/12$960
This Air Canada deal was found by Cheapflights users on 2/13. 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.
Fri 5/87:45 pm
PDX
-
MEL
2 stops22h 40m
Multiple Airlines
Thu 5/216:00 am
MEL
-
PDX
2 stops20h 30m
Multiple Airlines
Deal found 2/13$963
This Aunt Betty deal was found by Cheapflights users on 2/12. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:30 pm
PDX
-
MEL
1 stop39h 15m
Multiple Airlines
Mon 4/69:45 am
MEL
-
PDX
1 stop31h 13m
Multiple Airlines
Deal found 2/12$964
This American Airlines deal was found by Cheapflights users on 2/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:48 am
PDX
-
MEL
2 stops25h 57m
American Airlines
Fri 5/89:45 am
MEL
-
PDX
1 stop19h 54m
American Airlines
Deal found 2/12$965
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Thu 3/191:39 pm
PDX
-
MEL
1 stop25h 21m
United Airlines
Tue 3/2412:00 pm
MEL
-
PDX
1 stop20h 59m
United Airlines
Deal found 2/15$968
This Expedia deal was found by Cheapflights users on 2/15. 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.
Wed 4/17:05 pm
PDX
-
AVV
2 stops32h 00m
Multiple Airlines
Wed 4/88:40 pm
AVV
-
PDX
2 stops29h 30m
Multiple Airlines
Deal found 2/15$1,066
This Aunt Betty deal was found by Cheapflights users on 2/12. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:05 pm
PDX
-
AVV
2 stops27h 00m
Multiple Airlines
Mon 4/68:40 pm
AVV
-
PDX
2 stops29h 30m
Multiple Airlines
Deal found 2/12$1,088

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 February 16, 2026.

Round-trip from

$945
(oojo)

One-way from

$521
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$984
From Portland to Melbourne
Search Deals
One-way flight from Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 16, 2026.
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 - AVV

PDXAVV

Portland

Thu 4/30

7:05 pm-4:05 pm

2 stops28h 00m

Melbourne Avalon

Sat 5/9

8:40 pm-9:30 am

2 stops29h 50m

$949

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 4/23

1:09 pm-6:45 am

1 stop24h 36m

Melbourne

Fri 5/8

9:45 am-1:26 pm

1 stop20h 41m

$960

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/8

7:45 pm-11:25 am

2 stops22h 40m

Melbourne

Thu 5/21

6:00 am-9:30 am

2 stops20h 30m

$963

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 3/30

9:30 pm-6:45 am

1 stop39h 15m

Melbourne

Mon 4/6

9:45 am-11:58 pm

1 stop31h 13m

$964

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 3/19

7:49 pm-9:00 am

1 stop19h 11m

Melbourne

Tue 3/24

12:00 pm-6:47 pm

1 stop24h 47m

$968

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 4/1

7:05 pm-12:35 pm

2 stops23h 30m

Melbourne

Wed 4/8

6:00 am-9:10 am

2 stops20h 10m

$982

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

1:40 pm-10:00 am

1 stop25h 20m

Melbourne

Thu 3/12

12:00 pm-6:47 pm

1 stop24h 47m

$984

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Wed 4/1

7:05 pm-9:05 pm

2 stops32h 00m

Melbourne Avalon

Wed 4/8

8:40 pm-9:10 am

2 stops29h 30m

$1,066

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Mon 3/30

7:05 pm-4:05 pm

2 stops27h 00m

Melbourne Avalon

Mon 4/6

8:40 pm-9:10 am

2 stops29h 30m

$1,088

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 2/24

7:05 pm-2:10 pm

2 stops24h 05m

Melbourne Avalon

Fri 3/13

6:00 am-9:15 am

2 stops21h 15m

$1,337

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 18 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

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 $886). Flying from Portland to Melbourne in July is currently the most expensive (average of $1,265). 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.

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 February 16, 2026.
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
989 reviews

Overall

7.5

Boarding

7.7

Entertainment

7.2

Food

7.0

Crew

8.1

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
989 reviews
Qantas Airways
7.5
Good
989 reviews

Overall

7.5

Boarding

7.7

Entertainment

7.2

Food

7.0

Crew

8.1

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
United Airlines
7.4
Good
9,300 reviews
Qantas Airways
7.5
Good
989 reviews

Overall

7.5

Boarding

7.7

Entertainment

7.2

Food

7.0

Crew

8.1

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Air Canada
7.1
Good
10,724 reviews
Qantas Airways
7.5
Good
989 reviews

Overall

7.5

Boarding

7.7

Entertainment

7.2

Food

7.0

Crew

8.1

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

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 $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 $928 and $957, respectively. Users have found that Qantas Airways is 40% 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 $886). Flying from Portland to Melbourne in July is currently the most expensive (average of $1,265). 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

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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 February 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$757Average$1,166FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$928Average$1,111FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$957Average$1,227FlexibilityNo cancel feeOn-time69%

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