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Cheap flights from Portland to Melbourne from $597

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 9/2. 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.
Qantas Airways Logo
6:48 am - 9:30 am
PDX
-
MEL
31h 42m
1 stop
Qantas Airways Logo
10:45 pm - 11:10 pm
MEL
-
PDX
19h 25m
1 stop
$1,039Qantas Airways
Wed, Nov 4 - Wed, Nov 11
American Airlines Logo
5:00 am - 5:00 am
PDX
-
MEL
29h 00m
1 stop
American Airlines Logo
12:00 pm - 5:48 pm
MEL
-
PDX
24h 48m
1 stop
$1,042American Airlines
Sun, Nov 1 - Sun, Nov 8
Multiple Airlines Logo
7:10 pm - 2:35 pm
PDX
-
MEL
24h 25m
2 stops
Multiple Airlines Logo
7:10 am - 9:26 am
MEL
-
PDX
21h 16m
2 stops
$1,064Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Multiple Airlines Logo
3:30 pm - 2:15 pm
PDX
-
MEL
29h 45m
2 stops
Multiple Airlines Logo
6:00 pm - 9:31 am
MEL
-
PDX
32h 31m
2 stops
$1,066Multiple Airlines
Sun, Aug 23 - Sat, Aug 29
United Airlines Logo
7:26 pm - 10:30 am
PDX
-
MEL
20h 04m
1 stop
United Airlines Logo
11:30 am - 9:13 pm
MEL
-
PDX
28h 43m
2 stops
$1,069United Airlines
Sun, Nov 1 - Sun, Nov 8
Air Canada Logo
3:30 pm - 11:20 am
PDX
-
MEL
26h 50m
2 stops
Air Canada Logo
6:00 am - 9:31 am
MEL
-
PDX
20h 31m
2 stops
$1,071Air Canada
Tue, Aug 25 - Sun, Aug 30
Air Canada Logo
3:15 pm - 2:35 pm
PDX
-
MEL
28h 20m
2 stops
Air Canada Logo
7:30 am - 6:31 pm
MEL
-
PDX
30h 01m
2 stops
$1,074Air Canada
Sun, Nov 8 - Sun, Nov 29
Multiple Airlines Logo
7:45 pm - 12:35 pm
PDX
-
MEL
23h 50m
2 stops
Multiple Airlines Logo
6:00 am - 9:31 am
MEL
-
PDX
20h 31m
2 stops
$1,077Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
Multiple Airlines Logo
10:48 am - 9:30 am
PDX
-
MEL
28h 42m
1 stop
Multiple Airlines Logo
10:45 pm - 11:10 pm
MEL
-
PDX
19h 25m
1 stop
$1,079Multiple Airlines
Mon, Oct 26 - Thu, Nov 19
Multiple Airlines Logo
7:10 pm - 2:05 pm
PDX
-
MEL
23h 55m
2 stops
Multiple Airlines Logo
9:55 pm - 9:26 am
MEL
-
PDX
30h 31m
2 stops
$1,081Multiple Airlines
Sun, Nov 1 - Sat, Nov 7

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Qantas Airways flights from Portland to Melbourne

Our best Qantas Airways deals on Portland to Melbourne flight tickets
Qantas Airways
Nov 4
PDX6:48 amPortland
31h 42m
1 stop
MEL9:30 amMelbourne
Nov 11
MEL10:45 pmMelbourne
19h 25m
1 stop
PDX11:10 pmPortland
$1,039
Qantas Airways
Sep 3
PDX2:53 pmPortland
22h 52m
1 stop
MEL6:45 amMelbourne
Sep 10
MEL9:45 amMelbourne
23h 51m
1 stop
PDX4:36 pmPortland
$1,118

American Airlines flights from Portland to Melbourne

Our best American Airlines deals on Portland to Melbourne flight tickets
American Airlines
Nov 1
PDX5:00 amPortland
29h 00m
1 stop
MEL5:00 amMelbourne
Nov 8
MEL12:00 pmMelbourne
24h 48m
1 stop
PDX5:48 pmPortland
$1,042
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
$1,097
American Airlines
Aug 23
PDX6:35 amPortland
31h 10m
1 stop
MEL6:45 amMelbourne
Aug 29
MEL9:45 amMelbourne
31h 14m
1 stop
PDX11:59 pmPortland
$1,107

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 26, 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

Wed 11/4

6:48 am-9:30 am

1 stop31h 42m

Melbourne

Wed 11/11

10:45 pm-11:10 pm

1 stop19h 25m

$1,039

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 11/1

5:00 am-5:00 am

1 stop29h 00m

Melbourne

Sun 11/8

12:00 pm-5:48 pm

1 stop24h 48m

$1,042

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 11/4

7:10 pm-2:35 pm

2 stops24h 25m

Melbourne

Wed 11/11

7:10 am-9:26 am

2 stops21h 16m

$1,064

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 8/23

3:30 pm-2:15 pm

2 stops29h 45m

Melbourne

Sat 8/29

6:00 pm-9:31 am

2 stops32h 31m

$1,066

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 11/1

7:26 pm-10:30 am

1 stop20h 04m

Melbourne

Sun 11/8

11:30 am-9:13 pm

2 stops28h 43m

$1,069

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 8/25

3:30 pm-11:20 am

2 stops26h 50m

Melbourne

Sun 8/30

6:00 am-9:31 am

2 stops20h 31m

$1,071

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 11/8

3:15 pm-2:35 pm

2 stops28h 20m

Melbourne

Sun 11/29

7:30 am-6:31 pm

2 stops30h 01m

$1,074
Quickest round-trip

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 9/7

7:45 pm-12:35 pm

2 stops23h 50m

Melbourne

Mon 9/14

6:00 am-9:31 am

2 stops20h 31m

$1,077

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 10/26

10:48 am-9:30 am

1 stop28h 42m

Melbourne

Thu 11/19

10:45 pm-11:10 pm

1 stop19h 25m

$1,079

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 11/1

7:10 pm-2:05 pm

2 stops23h 55m

Melbourne

Sat 11/7

9:55 pm-9:26 am

2 stops30h 31m

$1,081

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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 $1,208 to $1,503.
The lowest price recently found on this route was $1,039.

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

21h 50m

Direct flights

None
The fastest flight from Portland to Melbourne takes 21h 50m
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 21h 50m 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
11,387 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $757Free CancellationRating
7.5
1,067 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $974Free CancellationRating
7.4
10,040 reviews
Search United Airlines flights
DeltaPriceFrom $984Free CancellationRating
7.8
8,487 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