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 August 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.

$1,313 Cheap Flights from Portland, Maine to Australia in 2026

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.

11:35 am - 7:00 amPWM Portland-SYD Sydney Kingsford Smith

29h 25m2 stops Chicago O'Hare Intl Los Angeles

11:20 am - 8:22 pmSYD Sydney Kingsford Smith-PWM Portland

24h 02m2 stops San Francisco Newark

$1,313United Airlines

Wed, Sep 30 - Wed, Oct 7

6:00 am - 7:55 amPWM Portland-SYD Sydney Kingsford Smith

58h 55m2 stops Newark San Francisco

11:20 am - 11:21 pmSYD Sydney Kingsford Smith-PWM Portland

28h 01m2 stops Los Angeles Newark

$1,381United Airlines

Sat, Oct 17 - Fri, Nov 6

2:05 pm - 9:20 amPWM Portland-SYD Sydney Kingsford Smith

27h 15m2 stops Washington, D.C. Dulles Intl San Francisco

11:20 am - 9:27 pmSYD Sydney Kingsford Smith-PWM Portland

50h 07m2 stops Los Angeles Chicago O'Hare Intl

$1,382United Airlines

Sun, Nov 22 - Fri, Dec 11

6:30 am - 6:30 amPWM Portland-SYD Sydney Kingsford Smith

57h 00m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl

9:30 pm - 11:43 pmSYD Sydney Kingsford Smith-PWM Portland

42h 13m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl

$1,753Etihad Airways

Thu, Oct 29 - Mon, Nov 2

6:30 am - 6:30 amPWM Portland-SYD Sydney Kingsford Smith

57h 00m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl

4:50 pm - 11:43 pmSYD Sydney Kingsford Smith-PWM Portland

46h 53m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl

$1,827Etihad Airways

Thu, Oct 29 - Mon, Nov 2

6:30 am - 5:45 pmPWM Portland-SYD Sydney Kingsford Smith

44h 15m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl

9:30 pm - 11:43 pmSYD Sydney Kingsford Smith-PWM Portland

42h 13m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl

$1,827Etihad Airways

Thu, Oct 29 - Mon, Nov 2

6:00 am - 8:10 pmPWM Portland-SYD Sydney Kingsford Smith

71h 10m3 stops New York John F Kennedy Intl Istanbul Kuala Lumpur Intl

9:35 pm - 11:43 pmSYD Sydney Kingsford Smith-PWM Portland

42h 08m3 stops Singapore Changi Istanbul New York John F Kennedy Intl

$1,830Turkish Airlines

Sat, Oct 17 - Fri, Nov 6

6:00 am - 9:45 amPWM Portland-SYD Sydney Kingsford Smith

36h 45m3 stops Chicago O'Hare Intl Los Angeles Melbourne

11:15 am - 10:33 pmSYD Sydney Kingsford Smith-PWM Portland

27h 18m2 stops Los Angeles Charlotte Douglas

$1,865Multiple Airlines

Sat, Oct 17 - Fri, Nov 6

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United Airlines flights from Portland, Maine to Australia

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

United Airlines

Sep 30

PWM11:35 amPortland

29h 25m

2 stops

SYD7:00 amSydney Kingsford Smith

Oct 7

SYD11:20 amSydney Kingsford Smith

24h 02m

2 stops

PWM8:22 pmPortland

$1,313

United Airlines

Oct 17

PWM6:00 amPortland

58h 55m

2 stops

SYD7:55 amSydney Kingsford Smith

Nov 6

SYD11:20 amSydney Kingsford Smith

28h 01m

2 stops

PWM11:21 pmPortland

$1,381

United Airlines

Nov 22

PWM2:05 pmPortland

27h 15m

2 stops

SYD9:20 amSydney Kingsford Smith

Dec 11

SYD11:20 amSydney Kingsford Smith

50h 07m

2 stops

PWM9:27 pmPortland

$1,382

Etihad Airways flights from Portland, Maine to Australia

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

Etihad Airways

Oct 29

PWM6:30 amPortland

57h 00m

2 stops

SYD6:30 amSydney Kingsford Smith

Nov 2

SYD9:30 pmSydney Kingsford Smith

42h 13m

2 stops

PWM11:43 pmPortland

$1,753

Etihad Airways

Oct 29

PWM6:30 amPortland

57h 00m

2 stops

SYD6:30 amSydney Kingsford Smith

Nov 2

SYD4:50 pmSydney Kingsford Smith

46h 53m

2 stops

PWM11:43 pmPortland

$1,827

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

Quickest round-trip

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Wed 9/30

11:35 am-7:00 am

2 stops29h 25m

Sydney Kingsford Smith

Wed 10/7

11:20 am-8:22 pm

2 stops24h 02m

$1,313

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Sat 10/17

6:00 am-7:55 am

2 stops58h 55m

Sydney Kingsford Smith

Fri 11/6

11:20 am-11:21 pm

2 stops28h 01m

$1,381

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Sun 11/22

2:05 pm-9:20 am

2 stops27h 15m

Sydney Kingsford Smith

Fri 12/11

11:20 am-9:27 pm

2 stops50h 07m

$1,382

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Thu 10/29

6:30 am-6:30 am

2 stops57h 00m

Sydney Kingsford Smith

Mon 11/2

9:30 pm-11:43 pm

2 stops42h 13m

$1,753

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Thu 10/29

6:30 am-6:30 am

2 stops57h 00m

Sydney Kingsford Smith

Mon 11/2

4:50 pm-11:43 pm

2 stops46h 53m

$1,827

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Thu 10/29

6:30 am-5:45 pm

2 stops44h 15m

Sydney Kingsford Smith

Mon 11/2

9:30 pm-11:43 pm

2 stops42h 13m

$1,827

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Sat 10/17

6:00 am-8:10 pm

3 stops71h 10m

Sydney Kingsford Smith

Fri 11/6

9:35 pm-11:43 pm

3 stops42h 08m

$1,830

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Sat 10/17

6:00 am-9:45 am

3 stops36h 45m

Sydney Kingsford Smith

Fri 11/6

11:15 am-10:33 pm

2 stops27h 18m

$1,865

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

Fastest flight time	27h 15m
Direct flights	None

The fastest flight from Portland, Maine to Australia takes 27h 15m

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 August 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 7.1 11,947 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.