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Cheap flights from Portland, Maine to Melbourne from $1,825

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 13/11. 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

Find the cheapest flights from Portland, Maine to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:17 - 10:00
PWM
-
MEL
30h 43m
2 stops
United Airlines Logo
11:30 - 23:59
MEL
-
PWM
28h 29m
2 stops
$1,825United Airlines
Fri, 13 Nov - Sun, 22 Nov
Air New Zealand Logo
09:45 - 09:30
PWM
-
MEL
31h 45m
1 stop
Air New Zealand Logo
11:30 - 21:27
MEL
-
PWM
25h 57m
2 stops
$1,878Air New Zealand
Fri, 13 Nov - Sun, 22 Nov
United Airlines Logo
10:55 - 08:15
PWM
-
MEL
31h 20m
2 stops
United Airlines Logo
09:00 - 16:59
MEL
-
PWM
45h 59m
2 stops
$2,594United Airlines
Sat, 18 Jul - Fri, 24 Jul
Multiple Airlines Logo
09:45 - 10:35
PWM
-
MEL
32h 50m
3 stops
Multiple Airlines Logo
10:45 - 22:47
MEL
-
PWM
28h 02m
3 stops
$3,815Multiple Airlines
Fri, 13 Nov - Sun, 22 Nov
Multiple Airlines Logo
06:41 - 22:05
PWM
-
MEL
49h 24m
2 stops
Multiple Airlines Logo
19:50 - 00:16
MEL
-
PWM
42h 26m
3 stops
$4,224Multiple Airlines
Sat, 18 Jul - Fri, 24 Jul
Multiple Airlines Logo
06:41 - 08:40
PWM
-
MEL
59h 59m
3 stops
Multiple Airlines Logo
06:00 - 00:16
MEL
-
PWM
32h 16m
3 stops
$5,871Multiple Airlines
Sat, 18 Jul - Fri, 24 Jul
United Airlines Logo
18:02 - 08:15
PWM
-
MEL
24h 13m
1 stop
United Airlines Logo
09:30 - 23:30
MEL
-
PWM
28h 00m
2 stops
$5,985United Airlines
Sat, 18 Jul - Fri, 24 Jul
Qantas Airways Logo
09:45 - 09:30
PWM
-
MEL
31h 45m
1 stop
Qantas Airways Logo
23:15 - 22:57
MEL
-
PWM
39h 42m
1 stop
$10,807Qantas Airways
Fri, 13 Nov - Sun, 22 Nov

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United Airlines flights from Portland, Maine to Melbourne

Our best United Airlines deals on Portland, Maine to Melbourne flight tickets
United Airlines
13 Nov
PWM11:17Portland
30h 43m
2 stops
MEL10:00Melbourne
22 Nov
MEL11:30Melbourne
28h 29m
2 stops
PWM23:59Portland
$1,825
United Airlines
18 July
PWM10:55Portland
31h 20m
2 stops
MEL08:15Melbourne
24 July
MEL09:00Melbourne
45h 59m
2 stops
PWM16:59Portland
$2,594
United Airlines
30 June
PWM06:00Portland
36h 15m
2 stops
MEL08:15Melbourne
4 July
MEL10:55Melbourne
36h 16m
2 stops
PWM09:11Portland
$3,356

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 21 June 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 13/11

11:17-10:00

2 stops30h 43m

Melbourne

Sun 22/11

11:30-23:59

2 stops28h 29m

$1,825

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 13/11

09:45-09:30

1 stop31h 45m

Melbourne

Sun 22/11

11:30-21:27

2 stops25h 57m

$1,878

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Sat 18/7

10:55-08:15

2 stops31h 20m

Melbourne

Fri 24/7

09:00-16:59

2 stops45h 59m

$2,594

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 13/11

09:45-10:35

3 stops32h 50m

Melbourne

Sun 22/11

10:45-22:47

3 stops28h 02m

$3,815

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Sat 18/7

06:41-22:05

2 stops49h 24m

Melbourne

Fri 24/7

19:50-00:16

3 stops42h 26m

$4,224

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Sat 18/7

06:41-08:40

3 stops59h 59m

Melbourne

Fri 24/7

06:00-00:16

3 stops32h 16m

$5,871
Fastest return journey

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Sat 18/7

18:02-08:15

1 stop24h 13m

Melbourne

Fri 24/7

09:30-23:30

2 stops28h 00m

$5,985

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 13/11

09:45-09:30

1 stop31h 45m

Melbourne

Sun 22/11

23:15-22:57

1 stop39h 42m

$10,807

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

30h 43m

Direct flights

None
The fastest flight from Portland, Maine to Melbourne takes 30h 43m
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 30h 43m 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