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Cheap flights from Portland, Maine to Melbourne from $3,271

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Melbourne departing on 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland, Maine to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
06:00 - 07:30
PWM
-
MEL
35h 30m
3 stops
United Airlines Logo
10:55 - 21:52
MEL
-
PWM
24h 57m
2 stops
$3,271United Airlines
Fri, 5 Jun - Tue, 9 Jun
Multiple Airlines Logo
12:07 - 16:50
PWM
-
MEL
38h 43m
2 stops
Multiple Airlines Logo
22:45 - 00:37
MEL
-
PWM
39h 52m
2 stops
$4,521Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul
Multiple Airlines Logo
12:07 - 16:50
PWM
-
MEL
38h 43m
2 stops
Multiple Airlines Logo
22:45 - 00:37
MEL
-
PWM
39h 52m
2 stops
$4,525Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul
Multiple Airlines Logo
06:00 - 08:20
PWM
-
MEL
36h 20m
2 stops
Multiple Airlines Logo
23:55 - 12:21
MEL
-
PWM
50h 26m
2 stops
$4,582Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul
Multiple Airlines Logo
12:07 - 16:50
PWM
-
MEL
38h 43m
2 stops
Multiple Airlines Logo
22:45 - 00:37
MEL
-
PWM
39h 52m
2 stops
$4,610Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul
Multiple Airlines Logo
12:07 - 16:50
PWM
-
MEL
38h 43m
2 stops
Multiple Airlines Logo
22:45 - 00:37
MEL
-
PWM
39h 52m
2 stops
$4,618Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul
Multiple Airlines Logo
10:01 - 06:45
PWM
-
MEL
30h 44m
3 stops
Multiple Airlines Logo
09:45 - 22:33
MEL
-
PWM
26h 48m
2 stops
$4,941Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul
Multiple Airlines Logo
10:01 - 06:45
PWM
-
MEL
30h 44m
3 stops
Multiple Airlines Logo
09:25 - 00:25
MEL
-
PWM
29h 00m
2 stops
$5,016Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul
Multiple Airlines Logo
17:06 - 10:35
PWM
-
MEL
27h 29m
2 stops
Multiple Airlines Logo
13:20 - 11:42
MEL
-
PWM
36h 22m
3 stops
$5,047Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul
Multiple Airlines Logo
13:25 - 10:35
PWM
-
MEL
31h 10m
3 stops
Multiple Airlines Logo
13:20 - 11:42
MEL
-
PWM
36h 22m
3 stops
$5,163Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul

United Airlines flights from Portland, Maine to Melbourne

Our best United Airlines deals on Portland, Maine to Melbourne flight tickets
United Airlines
5 June
PWM06:00Portland
35h 30m
3 stops
MEL07:30Melbourne
9 June
MEL10:55Melbourne
24h 57m
2 stops
PWM21:52Portland
$3,271
United Airlines
3 July
PWM09:55Portland
31h 35m
2 stops
MEL07:30Melbourne
5 July
MEL09:30Melbourne
26h 11m
2 stops
PWM21:41Portland
$14,844
United Airlines
3 July
PWM09:55Portland
31h 35m
2 stops
MEL07:30Melbourne
5 July
MEL09:30Melbourne
26h 11m
2 stops
PWM21:41Portland
$14,899

momondo Fare Finder

 
Customise your flight search to find flights from Portland, Maine 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 78,305 searches. Data last updated 3 May 2026.
Use the filters below to find and compare flights from Portland, Maine to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 5/6

06:00-07:30

3 stops35h 30m

Melbourne

Tue 9/6

10:55-21:52

2 stops24h 57m

$3,271

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

12:07-16:50

2 stops38h 43m

Melbourne

Sun 5/7

22:45-00:37

2 stops39h 52m

$4,521

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

12:07-16:50

2 stops38h 43m

Melbourne

Sun 5/7

22:45-00:37

2 stops39h 52m

$4,525

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

06:00-08:20

2 stops36h 20m

Melbourne

Sun 5/7

23:55-12:21

2 stops50h 26m

$4,582

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

12:07-16:50

2 stops38h 43m

Melbourne

Sun 5/7

22:45-00:37

2 stops39h 52m

$4,610

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

12:07-16:50

2 stops38h 43m

Melbourne

Sun 5/7

22:45-00:37

2 stops39h 52m

$4,618
Fastest return journey

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

10:01-06:45

3 stops30h 44m

Melbourne

Sun 5/7

09:45-22:33

2 stops26h 48m

$4,941

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

10:01-06:45

3 stops30h 44m

Melbourne

Sun 5/7

09:25-00:25

2 stops29h 00m

$5,016

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

17:06-10:35

2 stops27h 29m

Melbourne

Sun 5/7

13:20-11:42

3 stops36h 22m

$5,047

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

13:25-10:35

3 stops31h 10m

Melbourne

Sun 5/7

13:20-11:42

3 stops36h 22m

$5,163

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Portland, Maine to Melbourne flight deals and tips

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

Fastest flight time

26h 14m

Direct flights

None
The fastest flight from Portland, Maine to Melbourne takes 26h 14m
There are no direct flights from Portland, Maine to Melbourne. There are no popular flight routes from Portland, Maine to Melbourne.
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Frequently asked questions about flying from Portland, Maine to Melbourne

  • How far is Portland to Melbourne by plane?

    A flight from Portland to Melbourne will travel around 16989.1 km. Typically, this will take 26h 14m 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 are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 you'll need for your trip to Melbourne may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Melbourne. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Portland, Maine to Melbourne

  • How do I get Price Alerts for flights from Portland, Maine to Melbourne?

    Confirm your travel details to search for the latest offers for flights from Portland, Maine to Melbourne. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Portland, Maine to Melbourne with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Melbourne . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Melbourne from Portland which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Melbourne from Portland.

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

Price alerts on flights to Melbourne from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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 50.4 km from Melbourne
Melbourne Avalon Airport