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

Prices for flights from Portland Airport to Australia refresh daily.

How many operators does momondo search for flights from Portland Airport to Australia?

As of October 2026, there is 1 operator available to choose from for flights from Portland Airport to Australia.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,261 Cheap Flights from Portland, Maine to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Australia

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:50 am - 10:30 amPWM Portland-MEL Melbourne

36h 40m2 stops Newark San Francisco

8:30 am - 11:21 pmMEL Melbourne-PWM Portland

54h 51m3 stops Sydney Kingsford Smith Houston George Bush Intcntl Newark

$1,261United Airlines

Sun, Nov 15 - Sun, Nov 22

8:47 am - 10:30 amPWM Portland-MEL Melbourne

33h 43m2 stops Chicago O'Hare Intl San Francisco

11:30 am - 11:21 pmMEL Melbourne-PWM Portland

27h 51m2 stops Los Angeles Newark

$1,297United Airlines

Sun, Nov 15 - Sun, Nov 22

8:32 am - 7:00 amPWM Portland-SYD Sydney Kingsford Smith

31h 28m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

11:20 am - 7:02 pmSYD Sydney Kingsford Smith-PWM Portland

23h 42m2 stops Los Angeles Washington, D.C. Dulles Intl

$1,342United Airlines

Fri, Oct 30 - Fri, Nov 6

8:32 am - 8:40 amPWM Portland-SYD Sydney Kingsford Smith

33h 08m3 stops Chicago O'Hare Intl Denver Intl Los Angeles

11:20 am - 7:02 pmSYD Sydney Kingsford Smith-PWM Portland

23h 42m2 stops Los Angeles Washington, D.C. Dulles Intl

$1,342United Airlines

Fri, Oct 30 - Fri, Nov 6

7:23 am - 6:20 amPWM Portland-SYD Sydney Kingsford Smith

30h 57m2 stops Newark San Francisco

1:20 pm - 9:48 pmSYD Sydney Kingsford Smith-PWM Portland

24h 28m2 stops San Francisco Newark

$1,352United Airlines

Sun, Jan 24 - Mon, Feb 1

3:15 pm - 9:05 amPWM Portland-SYD Sydney Kingsford Smith

25h 50m2 stops Newark Los Angeles

11:20 am - 10:55 pmSYD Sydney Kingsford Smith-PWM Portland

27h 35m2 stops Los Angeles Newark

$1,451United Airlines

Fri, Feb 19 - Mon, Mar 1

5:30 am - 10:30 amPWM Portland-MEL Melbourne

37h 00m2 stops Washington, D.C. Dulles Intl San Francisco

12:45 pm - 11:59 pmMEL Melbourne-PWM Portland

27h 14m2 stops San Francisco Washington, D.C. Dulles Intl

$1,556United Airlines

Tue, Nov 17 - Tue, Nov 24

8:47 am - 10:30 amPWM Portland-MEL Melbourne

33h 43m3 stops Chicago O'Hare Intl Denver Intl San Francisco

12:45 pm - 9:51 pmMEL Melbourne-PWM Portland

25h 06m2 stops San Francisco Chicago O'Hare Intl

$1,556United Airlines

Tue, Nov 17 - Tue, Nov 24

8:47 am - 10:30 amPWM Portland-MEL Melbourne

33h 43m3 stops Chicago O'Hare Intl Denver Intl San Francisco

6:00 am - 11:21 pmMEL Melbourne-PWM Portland

33h 21m3 stops Sydney Kingsford Smith Houston George Bush Intcntl Newark

$1,570United Airlines

Tue, Nov 17 - Tue, Nov 24

3:20 pm - 9:30 amPWM Portland-MEL Melbourne

26h 10m2 stops Newark Los Angeles

12:00 pm - 9:48 pmMEL Melbourne-PWM Portland

49h 48m3 stops Sydney Kingsford Smith Houston George Bush Intcntl Newark

$1,571United Airlines

Tue, Dec 8 - Sun, Jan 17

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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

Air Canada flights from Portland, Maine to Australia

Our best Air Canada deals on Portland, Maine to Australia flight tickets

Air Canada

Jan 24

PWM8:55 amPortland

56h 40m

3 stops

SYD9:35 amSydney Kingsford Smith

Feb 1

SYD11:20 amSydney Kingsford Smith

50h 28m

3 stops

PWM9:48 pmPortland

$2,374

Air Canada

Nov 17

PWM8:49 amPortland

32h 46m

3 stops

SYD9:35 amSydney Kingsford Smith

Nov 24

SYD11:20 amSydney Kingsford Smith

52h 01m

3 stops

PWM11:21 pmPortland

$2,787

Air Canada

Oct 31

PWM6:00 amPortland

35h 35m

3 stops

SYD8:35 amSydney Kingsford Smith

Nov 4

SYD11:20 amSydney Kingsford Smith

28h 01m

2 stops

PWM11:21 pmPortland

$3,306

United Airlines flights from Portland, Maine to Australia

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

United Airlines

Nov 15

PWM5:50 amPortland

36h 40m

2 stops

MEL10:30 amMelbourne

Nov 22

MEL8:30 amMelbourne

54h 51m

3 stops

PWM11:21 pmPortland

$1,261

United Airlines

Nov 15

PWM8:47 amPortland

33h 43m

2 stops

MEL10:30 amMelbourne

Nov 22

MEL11:30 amMelbourne

27h 51m

2 stops

PWM11:21 pmPortland

$1,297

United Airlines

Oct 30

PWM8:32 amPortland

33h 08m

3 stops

SYD8:40 amSydney Kingsford Smith

Nov 6

SYD11:20 amSydney Kingsford Smith

23h 42m

2 stops

PWM7:02 pmPortland

$1,342

momondo Fare Finder

Use the filters below to find and compare flights from Portland, Maine to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Sun 11/15

5:50 am-10:30 am

2 stops36h 40m

Melbourne

Sun 11/22

8:30 am-11:21 pm

3 stops54h 51m

$1,261

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Sun 11/15

8:47 am-10:30 am

2 stops33h 43m

Melbourne

Sun 11/22

11:30 am-11:21 pm

2 stops27h 51m

$1,297

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Fri 10/30

8:32 am-7:00 am

2 stops31h 28m

Sydney Kingsford Smith

Fri 11/6

11:20 am-7:02 pm

2 stops23h 42m

$1,342

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Fri 10/30

8:32 am-8:40 am

3 stops33h 08m

Sydney Kingsford Smith

Fri 11/6

11:20 am-7:02 pm

2 stops23h 42m

$1,342

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Sun 1/24

7:23 am-6:20 am

2 stops30h 57m

Sydney Kingsford Smith

Mon 2/1

1:20 pm-9:48 pm

2 stops24h 28m

$1,352

Quickest round-trip

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Fri 2/19

3:15 pm-9:05 am

2 stops25h 50m

Sydney Kingsford Smith

Mon 3/1

11:20 am-10:55 pm

2 stops27h 35m

$1,451

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Tue 11/17

5:30 am-10:30 am

2 stops37h 00m

Melbourne

Tue 11/24

12:45 pm-11:59 pm

2 stops27h 14m

$1,556

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Tue 11/17

8:47 am-10:30 am

3 stops33h 43m

Melbourne

Tue 11/24

12:45 pm-9:51 pm

2 stops25h 06m

$1,556

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Tue 11/17

8:47 am-10:30 am

3 stops33h 43m

Melbourne

Tue 11/24

6:00 am-11:21 pm

3 stops33h 21m

$1,570

PortlandMelbourne

PWM Portland - MEL Melbourne

PWMMEL

Portland

Tue 12/8

3:20 pm-9:30 am

2 stops26h 10m

Melbourne

Sun 1/17

12:00 pm-9:48 pm

3 stops49h 48m

$1,571

Flights are sorted by cheapest round-trip 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 airlines fly to Australia?

United Airlines, Qantas Airways and American Airlines 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 40% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 9 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

Best Price Found	$1,261
Fastest flight time	30h 57m
Direct flights	None

The best flight deal from Portland, Maine to Australia found on momondo in the last 72 hours is $1,261

The fastest flight from Portland, Maine to Australia takes 30h 57m

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 many operators does momondo search for flights from Portland Airport to Australia?
As of October 2026, there is 1 operator available to choose from for flights from Portland Airport to Australia.
How old do you have to be to fly from Portland Airport to Australia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland, Maine to Australia

Compare and see reviews for airlines that fly from Portland, Maine to Australia with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $1,691	Free Cancellation	Rating 7.0 12,130 reviews		Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Australia. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Australia from Portland which offer a flexible booking policy as well as other useful filters and features.

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?

Price alerts on flights to Australia from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.