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.

$1,055 Cheap Flights from Portland to Australia in 2026

1 adult

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Find the cheapest flights from Portland, Maine to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:32 - 08:30

PWM

MEL

26h 58m

2 stops

10:30 - 19:13

MEL

PWM

23h 43m

2 stops

$1,868United Airlines

mié., 18 mar. - mié., 25 mar.

06:00 - 09:00

PWM

MEL

36h 00m

2 stops

09:30 - 17:32

MEL

PWM

46h 02m

2 stops

$2,201United Airlines

dom., 22 mar. - dom., 5 abr.

06:17 - 18:35

PWM

MEL

45h 18m

3 stops

23:45 - 23:34

MEL

PWM

37h 49m

2 stops

$3,258Multiple Airlines

dom., 22 mar. - dom., 5 abr.

06:17 - 18:35

PWM

MEL

45h 18m

3 stops

17:25 - 23:34

MEL

PWM

44h 09m

3 stops

$3,314Multiple Airlines

dom., 22 mar. - dom., 5 abr.

United Airlines flights from Portland, Maine to Australia

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

United Airlines

18 Mar

PWM14:32Portland

26h 58m

2 stops

MEL08:30Melbourne

25 Mar

MEL10:30Melbourne

23h 43m

2 stops

PWM19:13Portland

$1,868

United Airlines

22 Mar

PWM06:00Portland

36h 00m

2 stops

MEL09:00Melbourne

5 Apr

MEL09:30Melbourne

46h 02m

2 stops

PWM17:32Portland

$2,201

United Airlines

8 Feb

PWM09:40Portland

32h 20m

2 stops

MEL10:00Melbourne

12 Feb

MEL11:30Melbourne

27h 50m

2 stops

PWM23:20Portland

$2,288

Fly from

Fly to

Route

Depart

Return

Price

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

mié. 18/3

14:32-08:30

2 stops26h 58m

Melbourne

mié. 25/3

10:30-19:13

2 stops23h 43m

$1,868

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

dom. 22/3

06:00-09:00

2 stops36h 00m

Melbourne

dom. 5/4

09:30-17:32

2 stops46h 02m

$2,201

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

dom. 22/3

06:17-18:35

3 stops45h 18m

Melbourne

dom. 5/4

23:45-23:34

2 stops37h 49m

$3,258

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

dom. 22/3

06:17-18:35

3 stops45h 18m

Melbourne

dom. 5/4

17:25-23:34

3 stops44h 09m

$3,314

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

jue. 9/7

18:50-07:50

2 stops47h 00m

$1,055

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

mié. 8/7

10:55-08:15

2 stops31h 20m

$1,312

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

mié. 8/7

06:26-14:35

3 stops42h 09m

$1,717

PortlandMelbourne

PWM - MEL

PWMMEL

Portland

jue. 9/7

06:00-19:40

3 stops47h 40m

$3,355

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?

Delta, United Airlines, and Turkish Airlines are the most popular carriers 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 43% 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	32h 20m
Direct flights	None

The fastest flight from Portland, Maine to Australia takes 32h 20m

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.