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Cheap flights from Portland, Maine to Melbourne from $1,538

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 29/7. 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
14:20 - 07:30
PWM
-
MEL
27h 10m
2 stops
United Airlines Logo
10:55 - 23:30
MEL
-
PWM
26h 35m
2 stops
$1,538United Airlines
Wed, 29 Jul - Wed, 5 Aug
Qantas Airways Logo
12:15 - 06:45
PWM
-
MEL
28h 30m
2 stops
Qantas Airways Logo
18:00 - 21:22
MEL
-
PWM
41h 22m
3 stops
$1,952Qantas Airways
Sat, 4 Jul - Fri, 10 Jul
Delta Logo
06:00 - 07:50
PWM
-
MEL
35h 50m
2 stops
Delta Logo
10:00 - 23:13
MEL
-
PWM
27h 13m
3 stops
$2,918Delta
Wed, 29 Jul - Wed, 5 Aug
Multiple Airlines Logo
06:19 - 15:50
PWM
-
MEL
43h 31m
2 stops
Multiple Airlines Logo
17:20 - 00:16
MEL
-
PWM
44h 56m
2 stops
$3,267Multiple Airlines
Sat, 4 Jul - Fri, 10 Jul
United Airlines Logo
05:15 - 08:15
PWM
-
MEL
37h 00m
2 stops
United Airlines Logo
10:55 - 14:30
MEL
-
PWM
41h 35m
2 stops
$3,342United Airlines
Tue, 30 Jun - Sat, 4 Jul
Turkish Airlines Logo
14:40 - 19:40
PWM
-
MEL
63h 00m
3 stops
Turkish Airlines Logo
21:35 - 00:14
MEL
-
PWM
64h 39m
3 stops
$3,582Turkish Airlines
Wed, 29 Jul - Wed, 5 Aug
Multiple Airlines Logo
12:07 - 06:45
PWM
-
MEL
28h 38m
2 stops
Multiple Airlines Logo
23:55 - 12:30
MEL
-
PWM
50h 35m
2 stops
$4,563Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul
Qatar Airways Logo
12:07 - 16:50
PWM
-
MEL
38h 43m
2 stops
Qatar Airways Logo
22:45 - 12:30
MEL
-
PWM
51h 45m
2 stops
$4,802Qatar Airways
Fri, 3 Jul - Sun, 5 Jul
Multiple Airlines Logo
17:07 - 10:35
PWM
-
MEL
27h 28m
2 stops
Multiple Airlines Logo
23:55 - 12:30
MEL
-
PWM
50h 35m
2 stops
$4,816Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul
Multiple Airlines Logo
12:07 - 06:45
PWM
-
MEL
28h 38m
2 stops
Multiple Airlines Logo
09:45 - 00:43
MEL
-
PWM
28h 58m
2 stops
$4,867Multiple Airlines
Fri, 3 Jul - Sun, 5 Jul

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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
29 July
PWM14:20Portland
27h 10m
2 stops
MEL07:30Melbourne
5 Aug
MEL10:55Melbourne
26h 35m
2 stops
PWM23:30Portland
$1,538
United Airlines
30 June
PWM05:15Portland
37h 00m
2 stops
MEL08:15Melbourne
4 July
MEL10:55Melbourne
41h 35m
2 stops
PWM14:30Portland
$3,342

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 14 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
Fastest return journey

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Wed 29/7

14:20-07:30

2 stops27h 10m

Melbourne

Wed 5/8

10:55-23:30

2 stops26h 35m

$1,538

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Sat 4/7

12:15-06:45

2 stops28h 30m

Melbourne

Fri 10/7

18:00-21:22

3 stops41h 22m

$1,952

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Wed 29/7

06:00-07:50

2 stops35h 50m

Melbourne

Wed 5/8

10:00-23:13

3 stops27h 13m

$2,918

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Sat 4/7

06:19-15:50

2 stops43h 31m

Melbourne

Fri 10/7

17:20-00:16

2 stops44h 56m

$3,267

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Tue 30/6

05:15-08:15

2 stops37h 00m

Melbourne

Sat 4/7

10:55-14:30

2 stops41h 35m

$3,342

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Wed 29/7

14:40-19:40

3 stops63h 00m

Melbourne

Wed 5/8

21:35-00:14

3 stops64h 39m

$3,582

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

12:07-06:45

2 stops28h 38m

Melbourne

Sun 5/7

23:55-12:30

2 stops50h 35m

$4,563

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

12:07-16:50

2 stops38h 43m

Melbourne

Sun 5/7

22:45-12:30

2 stops51h 45m

$4,802

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

17:07-10:35

2 stops27h 28m

Melbourne

Sun 5/7

23:55-12:30

2 stops50h 35m

$4,816

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 3/7

12:07-06:45

2 stops28h 38m

Melbourne

Sun 5/7

09:45-00:43

2 stops28h 58m

$4,867

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

27h 28m

Direct flights

None
The fastest flight from Portland, Maine to Melbourne takes 27h 28m
There are no direct flights from Portland, Maine to Melbourne. There are no popular flight routes from Portland, Maine to Melbourne.
Search flight deals

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 27h 28m 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