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.

$1,980 Cheap Flights from Portland to Australia in 2025/26

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Portland, Maine to Australia

Round-trip

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 10:00PWM-MEL

36h 00m3 stops

13:00 - 23:09MEL-PWM

26h 09m2 stops

$1,980United Airlines

Find Deal

Wed, 3 Dec - Wed, 10 Dec

05:46 - 09:30PWM-MEL

35h 44m2 stops

12:00 - 22:52MEL-PWM

26h 52m2 stops

$2,175American Airlines

Find Deal

Thu, 4 Dec - Thu, 11 Dec

06:00 - 10:00PWM-MEL

36h 00m3 stops

11:30 - 23:09MEL-PWM

27h 39m2 stops

$2,204United Airlines

Find Deal

Thu, 4 Dec - Thu, 11 Dec

09:45 - 10:00PWM-MEL

32h 15m2 stops

13:00 - 21:17MEL-PWM

24h 17m2 stops

$5,653United Airlines

Find Deal

Thu, 4 Dec - Thu, 11 Dec

United Airlines flights from Portland, Maine to Australia

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

United Airlines

3 Dec

PWM06:00Portland

36h 00m

3 stops

MEL10:00Melbourne

10 Dec

MEL13:00Melbourne

26h 09m

2 stops

PWM23:09Portland

$1,980

Find similar

United Airlines

4 Dec

PWM06:00Portland

36h 00m

3 stops

MEL10:00Melbourne

11 Dec

MEL11:30Melbourne

27h 39m

2 stops

PWM23:09Portland

$2,204

Find similar

United Airlines

4 Dec

PWM09:45Portland

32h 15m

2 stops

MEL10:00Melbourne

11 Dec

MEL13:00Melbourne

24h 17m

2 stops

PWM21:17Portland

$5,653

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Wed 3/12

06:00-10:00

3 stops36h 00m

Melbourne

Wed 10/12

13:00-23:09

2 stops26h 09m

$1,980

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Thu 4/12

05:46-09:30

2 stops35h 44m

Melbourne

Thu 11/12

12:00-22:52

2 stops26h 52m

$2,175

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Thu 4/12

06:00-10:00

3 stops36h 00m

Melbourne

Thu 11/12

11:30-23:09

2 stops27h 39m

$2,204

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Thu 4/12

09:45-10:00

2 stops32h 15m

Melbourne

Thu 11/12

13:00-21:17

2 stops24h 17m

$5,653

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 69% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 3 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

Direct flights	None

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.