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?

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.

$1,475 Cheap Flights from Portland to Australia in 2026

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Find the cheapest flights from Portland, Maine to Australia

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:22 pm - 7:55 am

PWM

SYD

25h 33m

2 stops

9:30 am - 9:40 pm

SYD

PWM

26h 10m

2 stops

$1,475United Airlines

Tue, Mar 31 - Sun, Apr 26

11:09 am - 6:55 am

PWM

SYD

29h 46m

2 stops

9:30 am - 9:40 pm

SYD

PWM

26h 10m

2 stops

$1,525United Airlines

Fri, Apr 10 - Sun, Apr 26

4:23 pm - 9:15 am

PWM

SYD

25h 52m

2 stops

11:50 am - 9:11 pm

SYD

PWM

24h 21m

2 stops

$1,575United Airlines

Thu, Mar 19 - Thu, Mar 26

6:17 am - 3:55 pm

PWM

SYD

42h 38m

3 stops

9:55 pm - 11:27 pm

SYD

PWM

39h 32m

2 stops

$1,827Multiple Airlines

Tue, Mar 31 - Sun, Apr 26

6:17 am - 4:50 pm

PWM

SYD

43h 33m

3 stops

9:55 pm - 11:27 pm

SYD

PWM

39h 32m

2 stops

$2,054Multiple Airlines

Tue, Mar 31 - Sun, Apr 26

6:17 am - 3:55 pm

PWM

SYD

42h 38m

3 stops

6:05 pm - 11:27 pm

SYD

PWM

43h 22m

3 stops

$2,086Multiple Airlines

Tue, Mar 31 - Sun, Apr 26

6:17 am - 6:35 pm

PWM

SYD

45h 18m

3 stops

3:15 pm - 11:34 pm

SYD

PWM

47h 19m

2 stops

$2,104Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

7:07 am - 8:30 pm

PWM

SYD

47h 23m

3 stops

8:40 pm - 11:27 pm

SYD

PWM

40h 47m

3 stops

$2,136Multiple Airlines

Fri, Apr 10 - Sun, Apr 26

6:17 am - 6:00 pm

PWM

SYD

44h 43m

3 stops

6:30 pm - 11:34 pm

SYD

PWM

44h 04m

3 stops

$2,142Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

United Airlines flights from Portland, Maine to Australia

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

United Airlines

Mar 31

PWM3:22 pmPortland

25h 33m

2 stops

SYD7:55 amSydney Kingsford Smith

Apr 26

SYD9:30 amSydney Kingsford Smith

26h 10m

2 stops

PWM9:40 pmPortland

$1,475

United Airlines

Apr 10

PWM11:09 amPortland

29h 46m

2 stops

SYD6:55 amSydney Kingsford Smith

Apr 26

SYD9:30 amSydney Kingsford Smith

26h 10m

2 stops

PWM9:40 pmPortland

$1,525

United Airlines

Mar 19

PWM4:23 pmPortland

25h 52m

2 stops

SYD9:15 amSydney Kingsford Smith

Mar 26

SYD11:50 amSydney Kingsford Smith

24h 21m

2 stops

PWM9:11 pmPortland

$1,575

Air Canada flights from Portland, Maine to Australia

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

Air Canada

Feb 9

PWM6:00 amPortland

35h 35m

2 stops

SYD9:35 amSydney Kingsford Smith

Feb 13

SYD11:20 amSydney Kingsford Smith

52h 00m

3 stops

PWM11:20 pmPortland

$2,429

Air Canada

Feb 9

PWM7:27 pmPortland

46h 08m

3 stops

SYD9:35 amSydney Kingsford Smith

Feb 13

SYD11:20 amSydney Kingsford Smith

52h 00m

3 stops

PWM11:20 pmPortland

$2,658

Air Canada

Feb 9

PWM6:00 amPortland

35h 35m

2 stops

SYD9:35 amSydney Kingsford Smith

Feb 13

SYD11:20 amSydney Kingsford Smith

52h 00m

3 stops

PWM11:20 pmPortland

$3,041

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

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 3/31

3:22 pm-7:55 am

2 stops25h 33m

Sydney Kingsford Smith

Sun 4/26

9:30 am-9:40 pm

2 stops26h 10m

$1,475

PortlandSydney

PWM - SYD

PWMSYD

Portland

Fri 4/10

11:09 am-6:55 am

2 stops29h 46m

Sydney Kingsford Smith

Sun 4/26

9:30 am-9:40 pm

2 stops26h 10m

$1,525

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 3/19

4:23 pm-9:15 am

2 stops25h 52m

Sydney Kingsford Smith

Thu 3/26

11:50 am-9:11 pm

2 stops24h 21m

$1,575

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 3/31

6:17 am-3:55 pm

3 stops42h 38m

Sydney Kingsford Smith

Sun 4/26

9:55 pm-11:27 pm

2 stops39h 32m

$1,827

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 3/31

6:17 am-4:50 pm

3 stops43h 33m

Sydney Kingsford Smith

Sun 4/26

9:55 pm-11:27 pm

2 stops39h 32m

$2,054

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 3/31

6:17 am-3:55 pm

3 stops42h 38m

Sydney Kingsford Smith

Sun 4/26

6:05 pm-11:27 pm

3 stops43h 22m

$2,086

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 3/19

6:17 am-6:35 pm

3 stops45h 18m

Sydney Kingsford Smith

Thu 3/26

3:15 pm-11:34 pm

2 stops47h 19m

$2,104

PortlandSydney

PWM - SYD

PWMSYD

Portland

Fri 4/10

7:07 am-8:30 pm

3 stops47h 23m

Sydney Kingsford Smith

Sun 4/26

8:40 pm-11:27 pm

3 stops40h 47m

$2,136

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 3/19

6:17 am-6:00 pm

3 stops44h 43m

Sydney Kingsford Smith

Thu 3/26

6:30 pm-11:34 pm

3 stops44h 04m

$2,142

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 43% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 11 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	25h 33m
Direct flights	None

The fastest flight from Portland, Maine to Australia takes 25h 33m

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?
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.

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.