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.

$1,781 Cheap Flights from Portland to Australia in 2026

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Find the cheapest flights from Portland, Maine to Australia

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

11:08 - 08:15

PWM

MEL

31h 07m

2 stops

10:55 - 23:59

MEL

PWM

27h 04m

2 stops

$2,086United Airlines

Tue, 5 May - Tue, 12 May

06:00 - 15:50

PWM

MEL

43h 50m

2 stops

17:20 - 23:36

MEL

PWM

44h 16m

2 stops

$2,251Etihad Airways

Tue, 5 May - Tue, 12 May

06:00 - 15:50

PWM

MEL

43h 50m

2 stops

17:20 - 23:36

MEL

PWM

44h 16m

2 stops

$2,357Etihad Airways

Thu, 14 May - Mon, 18 May

15:23 - 10:35

PWM

MEL

29h 12m

3 stops

10:55 - 21:19

MEL

PWM

24h 24m

2 stops

$2,469United Airlines

Tue, 5 May - Tue, 12 May

10:24 - 06:45

PWM

MEL

30h 21m

3 stops

09:45 - 23:27

MEL

PWM

27h 42m

2 stops

$3,258Multiple Airlines

Tue, 5 May - Tue, 12 May

15:39 - 10:35

PWM

MEL

28h 56m

3 stops

08:15 - 23:27

MEL

PWM

29h 12m

3 stops

$3,351Multiple Airlines

Tue, 5 May - Tue, 12 May

06:00 - 19:40

PWM

MEL

47h 40m

3 stops

21:35 - 23:36

MEL

PWM

64h 01m

3 stops

$4,088Turkish Airlines

Thu, 14 May - Mon, 18 May

United Airlines flights from Portland, Maine to Australia

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

United Airlines

5 May

PWM11:08Portland

31h 07m

2 stops

MEL08:15Melbourne

12 May

MEL10:55Melbourne

27h 04m

2 stops

PWM23:59Portland

$2,086

United Airlines

5 May

PWM15:23Portland

29h 12m

3 stops

MEL10:35Melbourne

12 May

MEL10:55Melbourne

24h 24m

2 stops

PWM21:19Portland

$2,469

Etihad Airways flights from Portland, Maine to Australia

Our best Etihad Airways deals on Portland, Maine to Australia flight tickets

Etihad Airways

5 May

PWM06:00Portland

43h 50m

2 stops

MEL15:50Melbourne

12 May

MEL17:20Melbourne

44h 16m

2 stops

PWM23:36Portland

$2,251

Etihad Airways

14 May

PWM06:00Portland

43h 50m

2 stops

MEL15:50Melbourne

18 May

MEL17:20Melbourne

44h 16m

2 stops

PWM23:36Portland

$2,357

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Tue 5/5

11:08-08:15

2 stops31h 07m

Melbourne

Tue 12/5

10:55-23:59

2 stops27h 04m

$2,086

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Tue 5/5

06:00-15:50

2 stops43h 50m

Melbourne

Tue 12/5

17:20-23:36

2 stops44h 16m

$2,251

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Thu 14/5

06:00-15:50

2 stops43h 50m

Melbourne

Mon 18/5

17:20-23:36

2 stops44h 16m

$2,357

Fastest return journey

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Tue 5/5

15:23-10:35

3 stops29h 12m

Melbourne

Tue 12/5

10:55-21:19

2 stops24h 24m

$2,469

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Tue 5/5

10:24-06:45

3 stops30h 21m

Melbourne

Tue 12/5

09:45-23:27

2 stops27h 42m

$3,258

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Tue 5/5

15:39-10:35

3 stops28h 56m

Melbourne

Tue 12/5

08:15-23:27

3 stops29h 12m

$3,351

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Thu 14/5

06:00-19:40

3 stops47h 40m

Melbourne

Mon 18/5

21:35-23:36

3 stops64h 01m

$4,088

Cheapest one-way

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 17/7

18:29-19:20

3 stops58h 51m

$1,781

Fastest single journey

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

Fri 17/7

14:20-08:15

2 stops27h 55m

$1,813

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

What is the cheapest airline that flies from Portland to Australia?

United Airlines is the most popular carrier operating from Portland to Australia

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 45% 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

Fastest flight time	39h 23m
Direct flights	None

The fastest flight from Portland, Maine to Australia takes 39h 23m

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.