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Cheap flights from Portland, Maine to Melbourne from $1,943

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 17/9. 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
06:06 - 08:15PWM  Portland-MEL Melbourne
36h 09m2 stops Newark San Francisco
United Airlines Logo
10:55 - 23:28MEL  Melbourne-PWM Portland
26h 33m2 stops San Francisco Newark
$1,943United Airlines
Thu, 17 Sep - Thu, 24 Sep
Qantas Airways Logo
10:28 - 06:45PWM  Portland-MEL Melbourne
30h 17m2 stops Philadelphia Los Angeles Los Angeles
Qantas Airways Logo
17:05 - 22:13MEL  Melbourne-PWM Portland
43h 08m3 stops Sydney Kingsford Smith Los Angeles Los Angeles Charlotte Douglas
$2,357Qantas Airways
Thu, 17 Sep - Thu, 24 Sep
Etihad Airways Logo
06:30 - 17:00PWM  Portland-MEL Melbourne
43h 30m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
18:20 - 23:43MEL  Melbourne-PWM Portland
45h 23m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$2,596Etihad Airways
Wed, 28 Oct - Sun, 1 Nov
Etihad Airways Logo
06:30 - 17:00PWM  Portland-MEL Melbourne
43h 30m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
18:20 - 23:43MEL  Melbourne-PWM Portland
45h 23m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$2,597Etihad Airways
Wed, 28 Oct - Sun, 1 Nov
Multiple Airlines Logo
06:00 - 19:40PWM  Portland-MEL Melbourne
71h 40m3 stops New York John F Kennedy Intl Istanbul Singapore Changi
Multiple Airlines Logo
17:20 - 23:54MEL  Melbourne-PWM Portland
44h 34m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$2,626Multiple Airlines
Fri, 18 Sep - Fri, 25 Sep
Qatar Airways Logo
06:30 - 23:20PWM  Portland-MEL Melbourne
49h 50m2 stops New York John F Kennedy Intl Doha Hamad Intl
Qatar Airways Logo
23:40 - 18:17MEL  Melbourne-PWM Portland
34h 37m2 stops Doha Hamad Intl Philadelphia
$2,687Qatar Airways
Wed, 28 Oct - Sun, 1 Nov
Multiple Airlines Logo
10:47 - 06:45PWM  Portland-MEL Melbourne
29h 58m3 stops New York LaGuardia Dallas/Fort Worth Los Angeles Los Angeles
Multiple Airlines Logo
06:00 - 21:55MEL  Melbourne-PWM Portland
29h 55m3 stops Sydney Kingsford Smith Los Angeles Los Angeles Philadelphia
$3,823Multiple Airlines
Fri, 18 Sep - Fri, 25 Sep
Multiple Airlines Logo
16:41 - 10:35PWM  Portland-MEL Melbourne
27h 54m3 stops New York LaGuardia Dallas/Fort Worth Sydney Kingsford Smith
Multiple Airlines Logo
06:00 - 21:55MEL  Melbourne-PWM Portland
29h 55m3 stops Sydney Kingsford Smith Los Angeles Los Angeles Philadelphia
$3,994Multiple Airlines
Thu, 17 Sep - Thu, 24 Sep

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Etihad Airways flights from Portland, Maine to Melbourne

Our best Etihad Airways deals on Portland, Maine to Melbourne flight tickets
Etihad Airways
28 Oct
PWM06:30Portland
43h 30m
2 stops
MEL17:00Melbourne
1 Nov
MEL18:20Melbourne
45h 23m
2 stops
PWM23:43Portland
$2,596
Etihad Airways
28 Oct
PWM06:30Portland
43h 30m
2 stops
MEL17:00Melbourne
1 Nov
MEL18:20Melbourne
45h 23m
2 stops
PWM23:43Portland
$2,597

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 5 August 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 Portland - MEL Melbourne

PWMMEL

Portland

Thu 17/9

06:06-08:15

2 stops36h 09m

Melbourne

Thu 24/9

10:55-23:28

2 stops26h 33m

$1,943

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Thu 17/9

10:28-06:45

2 stops30h 17m

Melbourne

Thu 24/9

17:05-22:13

3 stops43h 08m

$2,357

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Wed 28/10

06:30-17:00

2 stops43h 30m

Melbourne

Sun 1/11

18:20-23:43

2 stops45h 23m

$2,596

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Wed 28/10

06:30-17:00

2 stops43h 30m

Melbourne

Sun 1/11

18:20-23:43

2 stops45h 23m

$2,597

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Fri 18/9

06:00-19:40

3 stops71h 40m

Melbourne

Fri 25/9

17:20-23:54

2 stops44h 34m

$2,626

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Wed 28/10

06:30-23:20

2 stops49h 50m

Melbourne

Sun 1/11

23:40-18:17

2 stops34h 37m

$2,687

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Fri 18/9

10:47-06:45

3 stops29h 58m

Melbourne

Fri 25/9

06:00-21:55

3 stops29h 55m

$3,823
Fastest return journey

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Thu 17/9

16:41-10:35

3 stops27h 54m

Melbourne

Thu 24/9

06:00-21:55

3 stops29h 55m

$3,994

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

36h 09m

Direct flights

None
The fastest flight from Portland, Maine to Melbourne takes 36h 09m
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 36h 09m 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