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Cheap flights from Portland to Melbourne from $573

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Melbourne departing on 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:30 pm - 12:20 pm
PDX
-
MEL
27h 50m
2 stops
Air Canada Logo
6:00 am - 9:31 am
MEL
-
PDX
20h 31m
2 stops
$1,053Air Canada
Sun, Sep 13 - Tue, Sep 29
Multiple Airlines Logo
7:45 pm - 12:10 pm
PDX
-
MEL
22h 25m
2 stops
Multiple Airlines Logo
6:05 am - 9:26 am
MEL
-
PDX
21h 21m
2 stops
$1,074Multiple Airlines
Sun, Oct 18 - Tue, Oct 27
Multiple Airlines Logo
7:45 pm - 11:20 am
PDX
-
MEL
22h 35m
2 stops
Multiple Airlines Logo
6:00 am - 7:11 pm
MEL
-
PDX
30h 11m
2 stops
$1,077Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Air Canada Logo
10:00 am - 2:35 pm
PDX
-
MEL
33h 35m
2 stops
Air Canada Logo
7:30 am - 2:41 pm
MEL
-
PDX
26h 11m
2 stops
$1,086Air Canada
Sun, Nov 8 - Sun, Nov 29
Delta Logo
10:56 am - 8:50 am
PDX
-
MEL
27h 54m
1 stop
Delta Logo
12:00 pm - 12:10 pm
MEL
-
PDX
19h 10m
1 stop
$1,111Delta
Mon, Oct 26 - Thu, Nov 19
Delta Logo
1:05 pm - 8:50 am
PDX
-
MEL
25h 45m
1 stop
Delta Logo
12:00 pm - 9:56 pm
MEL
-
PDX
28h 56m
2 stops
$1,116Delta
Mon, Oct 26 - Thu, Nov 19
United Airlines Logo
1:25 pm - 10:30 am
PDX
-
MEL
26h 05m
1 stop
United Airlines Logo
12:45 pm - 2:27 pm
MEL
-
PDX
20h 42m
1 stop
$1,139United Airlines
Mon, Nov 30 - Wed, Dec 16
United Airlines Logo
1:25 pm - 10:30 am
PDX
-
MEL
26h 05m
1 stop
United Airlines Logo
12:45 pm - 2:20 pm
MEL
-
PDX
20h 35m
1 stop
$1,139United Airlines
Sun, Nov 29 - Mon, Dec 21
Qantas Airways Logo
3:33 pm - 6:45 am
PDX
-
MEL
22h 12m
1 stop
Qantas Airways Logo
9:45 am - 1:25 pm
MEL
-
PDX
20h 40m
1 stop
$1,157Qantas Airways
Sun, Sep 13 - Tue, Sep 29
Qantas Airways Logo
5:00 pm - 9:30 am
PDX
-
MEL
21h 30m
1 stop
Qantas Airways Logo
10:45 pm - 11:10 pm
MEL
-
PDX
19h 25m
1 stop
$1,181Qantas Airways
Fri, Nov 6 - Wed, Nov 18

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American Airlines flights from Portland to Melbourne

Our best American Airlines deals on Portland to Melbourne flight tickets
American Airlines
Aug 1
PDX11:54 amPortland
24h 06m
1 stop
MEL5:00 amMelbourne
Aug 17
MEL9:45 amMelbourne
24h 06m
2 stops
PDX4:51 pmPortland
$1,188
American Airlines
Sep 10
PDX6:30 amPortland
31h 15m
1 stop
MEL6:45 amMelbourne
Sep 17
MEL9:45 amMelbourne
24h 09m
2 stops
PDX4:54 pmPortland
$1,200
American Airlines
Oct 26
PDX3:00 pmPortland
24h 30m
2 stops
MEL9:30 amMelbourne
Nov 19
MEL10:45 pmMelbourne
20h 14m
1 stop
PDX11:59 pmPortland
$1,204

Air Canada flights from Portland to Melbourne

Our best Air Canada deals on Portland to Melbourne flight tickets
Air Canada
Sep 13
PDX3:30 pmPortland
27h 50m
2 stops
MEL12:20 pmMelbourne
Sep 29
MEL6:00 amMelbourne
20h 31m
2 stops
PDX9:31 amPortland
$1,053
Air Canada
Nov 8
PDX3:15 pmPortland
28h 20m
2 stops
MEL2:35 pmMelbourne
Nov 29
MEL7:30 amMelbourne
30h 01m
2 stops
PDX6:31 pmPortland
$1,087
Air Canada
Aug 14
PDX3:30 pmPortland
26h 50m
2 stops
MEL11:20 amMelbourne
Aug 19
MEL6:00 amMelbourne
30h 11m
2 stops
PDX7:11 pmPortland
$1,121

momondo 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, momondo users made 832,500 searches. Data last updated July 31, 2026.
Use the filters below to find and compare flights from Portland to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 9/13

3:30 pm-12:20 pm

2 stops27h 50m

Melbourne

Tue 9/29

6:00 am-9:31 am

2 stops20h 31m

$1,053

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 10/18

7:45 pm-12:10 pm

2 stops22h 25m

Melbourne

Tue 10/27

6:05 am-9:26 am

2 stops21h 21m

$1,074

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 9/9

7:45 pm-11:20 am

2 stops22h 35m

Melbourne

Wed 9/16

6:00 am-7:11 pm

2 stops30h 11m

$1,077

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 11/8

10:00 am-2:35 pm

2 stops33h 35m

Melbourne

Sun 11/29

7:30 am-2:41 pm

2 stops26h 11m

$1,086

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 10/26

10:56 am-8:50 am

1 stop27h 54m

Melbourne

Thu 11/19

12:00 pm-12:10 pm

1 stop19h 10m

$1,111

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 10/26

1:05 pm-8:50 am

1 stop25h 45m

Melbourne

Thu 11/19

12:00 pm-9:56 pm

2 stops28h 56m

$1,116

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 11/30

1:25 pm-10:30 am

1 stop26h 05m

Melbourne

Wed 12/16

12:45 pm-2:27 pm

1 stop20h 42m

$1,139

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 11/29

1:25 pm-10:30 am

1 stop26h 05m

Melbourne

Mon 12/21

12:45 pm-2:20 pm

1 stop20h 35m

$1,139

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 9/13

3:33 pm-6:45 am

1 stop22h 12m

Melbourne

Tue 9/29

9:45 am-1:25 pm

1 stop20h 40m

$1,157
Quickest round-trip

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 11/6

5:00 pm-9:30 am

1 stop21h 30m

Melbourne

Wed 11/18

10:45 pm-11:10 pm

1 stop19h 25m

$1,181

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Melbourne from

How to get the cheapest flight ticket from Portland to Melbourne

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Portland and Melbourne?

Prices are currently low for flights on this route.

Typical prices usually range from $1,154 to $1,225.
The lowest price recently found on this route was $1,053.

What is the cheapest month to fly to Melbourne?

In general, June is the cheapest month to fly from Portland to Melbourne. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $984. The month of February is another great option to travel to Melbourne, with average flight prices from Portland averaging around $992.

Cheap Portland to Melbourne flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Melbourne

Fastest flight time

19h 41m

Direct flights

None
The fastest flight from Portland to Melbourne takes 19h 41m
There are no direct flights from Portland to Melbourne. There are no popular flight routes from Portland to Melbourne.
Search flight deals

Frequently asked questions about flying from Portland to Melbourne

  • How far is Portland to Melbourne by plane?

    The straight-line distance from Portland to Melbourne is 8105.9 mi. Typically, this will take 19h 41m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Melbourne?

    Prices for flights from Portland Airport to Melbourne were last updated today.

  • How many operators does momondo search for flights from Portland Airport to Melbourne?

  • How old do you have to be to fly from Portland Airport to Melbourne?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Melbourne.

  • What documentation or ID do you need to fly to Melbourne?

    The travel and health documents required for your trip to Melbourne can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Melbourne. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland to Melbourne

Compare and see reviews for airlines that fly from Portland to Melbourne with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $574Free CancellationRating
7.1
11,415 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $757Free CancellationRating
7.5
1,073 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $974Free CancellationRating
7.4
10,063 reviews
Search United Airlines flights
DeltaPriceFrom $984Free CancellationRating
7.8
8,498 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Melbourne?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Melbourne from Portland.

Can I find flights from Portland to Melbourne with flexible booking policies on momondo?

Yes. All flights to Melbourne from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to Melbourne?

momondo helps you find the best flight between Portland and Melbourne by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Melbourne right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to Melbourne flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Airports listed have a maximum distance of 31.3 mi from Melbourne
Melbourne Avalon Airport