When did momondo last update prices for flights from Portland Airport to Sydney Kingsford Smith Airport?

Prices for flights from Portland Airport to Sydney Kingsford Smith Airport refresh daily.

How many operators does momondo search for flights from Portland Airport to Sydney Kingsford Smith Airport?

The number of operators available for flights from Portland Airport to Sydney Kingsford Smith Airport is 1 as of October 2026.

How old do you have to be to fly from Portland Airport to Sydney Kingsford Smith Airport?

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 layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$1,342 Cheap Flights from Portland, Maine to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

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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

7:10 am - 6:25 amPWM Portland-SYD Sydney Kingsford Smith

31h 15m2 stops Charlotte Douglas Los Angeles

11:20 am - 10:59 pmSYD Sydney Kingsford Smith-PWM Portland

27h 39m2 stops Los Angeles Philadelphia

$1,347Multiple Airlines

Sat, Feb 20 - Wed, Mar 10

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

10:57 am - 12:25 pmPWM Portland-SYD Sydney Kingsford Smith

33h 28m3 stops Washington, D.C. Reagan-National Los Angeles Melbourne

11:20 am - 10:59 pmSYD Sydney Kingsford Smith-PWM Portland

27h 39m2 stops Los Angeles Philadelphia

$1,678Multiple Airlines

Sat, Feb 20 - Wed, Mar 10

6:30 am - 7:25 pmPWM Portland-SYD Sydney Kingsford Smith

45h 55m3 stops New York John F Kennedy Intl Istanbul Singapore Changi

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

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

$1,779Turkish Airlines

Fri, Oct 30 - Fri, Nov 6

12:43 pm - 6:55 amPWM Portland-SYD Sydney Kingsford Smith

26h 12m2 stops Philadelphia Dallas/Fort Worth

7:40 pm - 12:12 pmSYD Sydney Kingsford Smith-PWM Portland

32h 32m3 stops Melbourne Los Angeles Philadelphia

$1,803Multiple Airlines

Fri, Feb 19 - Mon, Mar 1

6:00 am - 8:30 amPWM Portland-SYD Sydney Kingsford Smith

34h 30m2 stops New York John F Kennedy Intl Los Angeles

10:40 am - 12:19 amSYD Sydney Kingsford Smith-PWM Portland

29h 39m2 stops Los Angeles New York John F Kennedy Intl

$1,821Delta

Tue, Nov 17 - Tue, Nov 24

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

$1,926Etihad Airways

Sat, Oct 31 - Wed, Nov 4

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United Airlines flights from Portland, Maine to Sydney

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

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

United Airlines

Jan 24

PWM7:23 amPortland

30h 57m

2 stops

SYD6:20 amSydney Kingsford Smith

Feb 1

SYD1:20 pmSydney Kingsford Smith

24h 28m

2 stops

PWM9:48 pmPortland

$1,352

United Airlines

Feb 19

PWM3:15 pmPortland

25h 50m

2 stops

SYD9:05 amSydney Kingsford Smith

Mar 1

SYD11:20 amSydney Kingsford Smith

27h 35m

2 stops

PWM10:55 pmPortland

$1,451

Air Canada flights from Portland, Maine to Sydney

Our best Air Canada deals on Portland, Maine to Sydney 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

$3,271

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

Sat 2/20

7:10 am-6:25 am

2 stops31h 15m

Sydney Kingsford Smith

Wed 3/10

11:20 am-10:59 pm

2 stops27h 39m

$1,347

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

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Sat 2/20

10:57 am-12:25 pm

3 stops33h 28m

Sydney Kingsford Smith

Wed 3/10

11:20 am-10:59 pm

2 stops27h 39m

$1,678

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Fri 10/30

6:30 am-7:25 pm

3 stops45h 55m

Sydney Kingsford Smith

Fri 11/6

9:35 pm-11:43 pm

3 stops42h 08m

$1,779

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Fri 2/19

12:43 pm-6:55 am

2 stops26h 12m

Sydney Kingsford Smith

Mon 3/1

7:40 pm-12:12 pm

3 stops32h 32m

$1,803

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Tue 11/17

6:00 am-8:30 am

2 stops34h 30m

Sydney Kingsford Smith

Tue 11/24

10:40 am-12:19 am

2 stops29h 39m

$1,821

PortlandSydney

PWM Portland - SYD Sydney Kingsford Smith

PWMSYD

Portland

Sat 10/31

6:30 am-6:30 am

2 stops57h 00m

Sydney Kingsford Smith

Wed 11/4

4:50 pm-11:43 pm

2 stops46h 53m

$1,926

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine to Sydney

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 Sydney Kingsford Smith?

Qantas Airways is the most popular carrier operating from Portland to Sydney Kingsford Smith

What airlines fly to Sydney?

Qantas Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Sydney from Portland, Maine according to our data. Qantas Airways is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 8 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When to book flights from Portland, Maine to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland, Maine to Sydney (PWM to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Sydney

Best Price Found	$1,342
Fastest flight time	30h 57m
Direct flights	None

The best flight deal from Portland, Maine to Sydney found on momondo in the last 72 hours is $1,342

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

There are no direct flights from Portland, Maine to Sydney. There are no popular flight routes from Portland, Maine to Sydney.

Search flight deals

Frequently asked questions about flying from Portland, Maine to Sydney

How far is Portland to Sydney Kingsford Smith by plane?
There are 10122.6 mi between Portland and Sydney Kingsford Smith. 30h 57m is a normal flight duration for this route.
When did momondo last update prices for flights from Portland Airport to Sydney Kingsford Smith Airport?
Prices for flights from Portland Airport to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Sydney Kingsford Smith Airport?
The number of operators available for flights from Portland Airport to Sydney Kingsford Smith Airport is 1 as of October 2026.
How old do you have to be to fly from Portland Airport to Sydney Kingsford Smith Airport?
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 layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland, Maine to Sydney?
Based on momondo bookings for flights between Portland, Maine and Sydney, the leading airline is American Airlines, making up 100% of the total bookings.

Best airlines flying from Portland, Maine to Sydney

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

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

Parramatta

Bondi Beach

Wollongong

Penrith

Katoomba

Coogee

Leura

Randwick

Cronulla

Manly

Terrigal

Lithgow

Charlestown

Swansea

Why use momondo?

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

It is quick and easy to find Portland to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

Yes. momondo enables you to select and highlight flights to Sydney from Portland with this policy.

How can momondo help me find flights from Portland to Sydney?

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 Sydney from Portland.

I’m not ready to book a flight from Portland to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portland to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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Cheap flights from Portland, Maine to Sydney from $1,342

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Sydney departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Portland, Maine to Sydney

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

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How to get the cheapest flight ticket from Portland, Maine to Sydney

What is the cheapest airline that flies from Portland to Sydney Kingsford Smith?

What airlines fly to Sydney?

When to book flights from Portland, Maine to Sydney

Cheap Portland, Maine to Sydney (PWM to SYD) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland, Maine to Sydney

Best airlines flying from Portland, Maine to Sydney

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

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

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Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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