When did momondo last update prices for flights from Portland Airport to Australia?

Prices for flights from Portland Airport to Australia refresh daily.

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

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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,789 Cheap Flights from Portland, Maine to Australia in 2026

Find the cheapest flights from Portland, Maine to Australia

Return

Cheap return flights

Enter your travel dates to find the best prices.

07:50 - 08:15PWM Portland-MEL Melbourne

34h 25m1 stop San Francisco

11:55 - 09:08MEL Melbourne-PWM Portland

36h 13m2 stops San Francisco Newark

$1,789United Airlines

Sun, 27 Sep - Sun, 4 Oct

06:00 - 12:40PWM Portland-MEL Melbourne

40h 40m3 stops Washington, D.C. Reagan-National Los Angeles Sydney Kingsford Smith

14:05 - 12:31MEL Melbourne-PWM Portland

37h 26m3 stops Sydney Kingsford Smith Los Angeles Chicago O'Hare Intl

$2,290Qantas Airways

Sun, 27 Sep - Sun, 4 Oct

06:30 - 17:00PWM Portland-MEL Melbourne

43h 30m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl

18:20 - 23:43MEL Melbourne-PWM Portland

45h 23m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl

$2,578Etihad Airways

Wed, 28 Oct - Sun, 1 Nov

06:00 - 09:30PWM Portland-MEL Melbourne

35h 30m2 stops Newark Los Angeles

12:45 - 21:27MEL Melbourne-PWM Portland

24h 42m2 stops San Francisco Chicago O'Hare Intl

$2,791United Airlines

Sat, 6 Feb - Tue, 9 Feb

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United Airlines flights from Portland, Maine to Australia

Our best United Airlines deals on Portland, Maine to Australia flight tickets

United Airlines

27 Sept

PWM07:50Portland

34h 25m

1 stop

MEL08:15Melbourne

4 Oct

MEL11:55Melbourne

36h 13m

2 stops

PWM09:08Portland

$1,789

United Airlines

6 Feb

PWM06:00Portland

35h 30m

2 stops

MEL09:30Melbourne

9 Feb

MEL12:45Melbourne

24h 42m

2 stops

PWM21:27Portland

$2,791

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Sun 27/9

07:50-08:15

1 stop34h 25m

Melbourne

Sun 4/10

11:55-09:08

2 stops36h 13m

$1,789

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Sun 27/9

06:00-12:40

3 stops40h 40m

Melbourne

Sun 4/10

14:05-12:31

3 stops37h 26m

$2,290

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

$2,578

Fastest return journey

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Sat 6/2

06:00-09:30

2 stops35h 30m

Melbourne

Tue 9/2

12:45-21:27

2 stops24h 42m

$2,791

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine to Australia

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

Which airlines fly to Australia?

Air Canada, Qantas Airways and United Airlines are the top three most popular airlines that fly to Australia from Portland, Maine according to our data. Air Canada is the first choice among our users, with 25% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 4 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

Cheap Portland, Maine to Australia flight deals and tips

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

Fastest flight time	34h 25m
Direct flights	None

The fastest flight from Portland, Maine to Australia takes 34h 25m

There are no direct flights from Portland, Maine to Australia. There are no popular flight routes from Portland, Maine to Australia.

Search flight deals

Frequently asked questions about flying from Portland, Maine to Australia

When did momondo last update prices for flights from Portland Airport to Australia?
Prices for flights from Portland Airport to Australia refresh daily.
How old do you have to be to fly from Portland Airport to Australia?
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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Australia. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Portland to Australia flights to just show those with flexible booking policies.

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

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 Australia from Portland.

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

Yes. momondo can track prices for Portland to Australia 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.