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 47% 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.

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

United Airlines is the most popular carrier operating from Portland 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 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.

$823 Cheap Flights from Portland to Australia in 2025

1 adult

0 bags

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

Find the cheapest flights from Portland, Maine to Australia

Round-trip

One-way

Cheap round-trip flights

2:24 pm - 9:00 amPWM-SYD

26h 36m2 stops

1:20 pm - 11:40 pmSYD-PWM

25h 20m2 stops

$1,413American Airlines

Find Deal

Tue, Feb 10 - Sat, Mar 28

3:39 pm - 6:55 amPWM-SYD

25h 16m2 stops

9:30 am - 7:41 pmSYD-PWM

24h 11m2 stops

$1,455United Airlines

Find Deal

Sat, Sep 27 - Sat, Oct 4

3:00 pm - 9:05 amPWM-SYD

26h 05m2 stops

12:10 pm - 11:17 pmSYD-PWM

27h 07m2 stops

$1,653United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

6:00 am - 9:35 amPWM-SYD

35h 35m3 stops

11:20 am - 11:17 pmSYD-PWM

27h 57m3 stops

$2,574Air Canada

Find Deal

Thu, Nov 13 - Mon, Nov 17

6:00 am - 9:35 amPWM-SYD

35h 35m3 stops

11:20 am - 11:17 pmSYD-PWM

27h 57m3 stops

$2,696Air Canada

Find Deal

Thu, Nov 13 - Mon, Nov 17

6:00 pm - 9:35 amPWM-SYD

47h 35m3 stops

9:40 pm - 12:00 pmSYD-PWM

53h 20m2 stops

$2,955

Find Deal

Tue, Feb 10 - Sat, Mar 28

6:00 pm - 9:35 amPWM-SYD

47h 35m3 stops

9:45 pm - 11:36 pmSYD-PWM

64h 51m3 stops

$3,191

Find Deal

Tue, Feb 10 - Sat, Mar 28

6:00 am - 9:35 amPWM-SYD

35h 35m3 stops

9:40 pm - 12:00 pmSYD-PWM

53h 20m2 stops

$3,351

Find Deal

Tue, Feb 10 - Sat, Mar 28

6:00 am - 9:35 amPWM-SYD

35h 35m3 stops

9:40 pm - 12:00 pmSYD-PWM

53h 20m2 stops

$3,352

Find Deal

Tue, Feb 10 - Sat, Mar 28

6:00 am - 9:35 amPWM-SYD

35h 35m3 stops

10:20 am - 10:48 amSYD-PWM

39h 28m3 stops

$3,372Air Canada

Find Deal

Tue, Feb 10 - Sat, Mar 28

United Airlines flights from Portland, Maine to Australia

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

United Airlines

Sep 27

PWM3:39 pmPortland

25h 16m

2 stops

SYD6:55 amSydney Kingsford Smith

Oct 4

SYD9:30 amSydney Kingsford Smith

24h 11m

2 stops

PWM7:41 pmPortland

$1,455

Find similar

United Airlines

Nov 13

PWM3:00 pmPortland

26h 05m

2 stops

SYD9:05 amSydney Kingsford Smith

Nov 17

SYD12:10 pmSydney Kingsford Smith

27h 07m

2 stops

PWM11:17 pmPortland

$1,653

Find similar

Air Canada flights from Portland, Maine to Australia

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

Air Canada

Nov 13

PWM6:00 amPortland

35h 35m

3 stops

SYD9:35 amSydney Kingsford Smith

Nov 17

SYD11:20 amSydney Kingsford Smith

27h 57m

3 stops

PWM11:17 pmPortland

$2,574

Find similar

Air Canada

Nov 13

PWM6:00 amPortland

35h 35m

3 stops

SYD9:35 amSydney Kingsford Smith

Nov 17

SYD11:20 amSydney Kingsford Smith

27h 57m

3 stops

PWM11:17 pmPortland

$2,696

Find similar

Air Canada

Feb 10

PWM6:00 amPortland

35h 35m

3 stops

SYD9:35 amSydney Kingsford Smith

Mar 28

SYD10:20 amSydney Kingsford Smith

39h 28m

3 stops

PWM10:48 amPortland

$3,372

Find similar

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 2/10

2:24 pm-9:00 am

2 stops26h 36m

Sydney Kingsford Smith

Sat 3/28

1:20 pm-11:40 pm

2 stops25h 20m

$1,413

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 9/27

3:39 pm-6:55 am

2 stops25h 16m

Sydney Kingsford Smith

Sat 10/4

9:30 am-7:41 pm

2 stops24h 11m

$1,455

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 11/13

3:00 pm-9:05 am

2 stops26h 05m

Sydney Kingsford Smith

Mon 11/17

12:10 pm-11:17 pm

2 stops27h 07m

$1,653

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 11/13

6:00 am-9:35 am

3 stops35h 35m

Sydney Kingsford Smith

Mon 11/17

11:20 am-11:17 pm

3 stops27h 57m

$2,574

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 11/13

6:00 am-9:35 am

3 stops35h 35m

Sydney Kingsford Smith

Mon 11/17

11:20 am-11:17 pm

3 stops27h 57m

$2,696

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 2/10

6:00 pm-9:35 am

3 stops47h 35m

Sydney Kingsford Smith

Sat 3/28

9:40 pm-12:00 pm

2 stops53h 20m

$2,955

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 2/10

6:00 pm-9:35 am

3 stops47h 35m

Sydney Kingsford Smith

Sat 3/28

9:45 pm-11:36 pm

3 stops64h 51m

$3,191

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 2/10

6:00 am-9:35 am

3 stops35h 35m

Sydney Kingsford Smith

Sat 3/28

9:40 pm-12:00 pm

2 stops53h 20m

$3,351

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 2/10

6:00 am-9:35 am

3 stops35h 35m

Sydney Kingsford Smith

Sat 3/28

9:40 pm-12:00 pm

2 stops53h 20m

$3,352

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 2/10

6:00 am-9:35 am

3 stops35h 35m

Sydney Kingsford Smith

Sat 3/28

10:20 am-10:48 am

3 stops39h 28m

$3,372

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted 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

Prices

Airlines

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Portland, Maine to Australia is on a Wednesday. Travelers who choose to depart for Australia on a Wednesday will often find tickets for as low as $1,446. On the other hand, Monday is the most expensive day to depart from Portland, Maine because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,111.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Portland, Maine at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,492 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,496 on average. Flights to Australia from Portland, Maine in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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	$823
Fastest flight time	25h 16m
Direct flights	None
Airports in Australia	1 airport

The best one-way flight to Australia from Portland, Maine in the past 72 hours is $823. The best round-trip flight deal from Portland, Maine to Australia found on momondo in the last 72 hours is $1,413.

The fastest flight from Portland, Maine to Australia takes 25h 16m

There are no direct flights from Portland, Maine to Australia. Popular non-direct route for this connection is Portland Airport - Sydney Kingsford Smith Airport.

There is 1 airport near Australia: Sydney Kingsford Smith (SYD)

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.