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.

$2,161 Cheap Flights from Portland to Australia in 2025/26

1 adult

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Find the cheapest flights from Portland, Maine to Australia

Round-trip

Cheap return flights

Enter your travel dates to find the best prices.

14:31 - 10:00

PWM

MEL

27h 29m2 stops

11:30 - 18:52

MEL

PWM

23h 22m2 stops

$2,161United Airlines

Wed, 21 Jan - Wed, 28 Jan

05:45 - 09:30

PWM

MEL

35h 45m2 stops

11:30 - 18:56

MEL

PWM

23h 26m2 stops

$2,381United Airlines

Sat, 21 Feb - Wed, 25 Feb

06:00 - 09:30

PWM

MEL

35h 30m2 stops

11:30 - 18:52

MEL

PWM

23h 22m2 stops

$2,402United Airlines

Tue, 20 Jan - Tue, 27 Jan

11:12 - 09:30

PWM

MEL

30h 18m2 stops

11:30 - 23:27

MEL

PWM

27h 57m3 stops

$2,501United Airlines

Tue, 20 Jan - Tue, 27 Jan

12:46 - 09:30

PWM

MEL

28h 44m3 stops

12:00 - 23:43

MEL

PWM

27h 43m3 stops

$20,921American Airlines

Tue, 20 Jan - Tue, 27 Jan

United Airlines flights from Portland, Maine to Australia

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

United Airlines

21 Jan

PWM14:31Portland

27h 29m

2 stops

MEL10:00Melbourne

28 Jan

MEL11:30Melbourne

23h 22m

2 stops

PWM18:52Portland

$2,161

Find similar

United Airlines

21 Feb

PWM05:45Portland

35h 45m

2 stops

MEL09:30Melbourne

25 Feb

MEL11:30Melbourne

23h 26m

2 stops

PWM18:56Portland

$2,381

Find similar

United Airlines

20 Jan

PWM06:00Portland

35h 30m

2 stops

MEL09:30Melbourne

27 Jan

MEL11:30Melbourne

23h 22m

2 stops

PWM18:52Portland

$2,402

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Wed 21/1

14:31-10:00

2 stops27h 29m

Melbourne

Wed 28/1

11:30-18:52

2 stops23h 22m

$2,161

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Sat 21/2

05:45-09:30

2 stops35h 45m

Melbourne

Wed 25/2

11:30-18:56

2 stops23h 26m

$2,381

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Tue 20/1

06:00-09:30

2 stops35h 30m

Melbourne

Tue 27/1

11:30-18:52

2 stops23h 22m

$2,402

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Tue 20/1

11:12-09:30

2 stops30h 18m

Melbourne

Tue 27/1

11:30-23:27

3 stops27h 57m

$2,501

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Tue 20/1

12:46-09:30

3 stops28h 44m

Melbourne

Tue 27/1

12:00-23:43

3 stops27h 43m

$20,921

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?

United Airlines, Qantas Airways and Air Canada are the top three most popular airlines that fly to Australia from Portland, Maine according to our data. United Airlines is the first choice among our users, with 53% 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	27h 29m
Direct flights	None

The fastest flight from Portland, Maine to Australia takes 27h 29m

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

Search flight deals

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.