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Cheap flights from Portland, Maine to Sydney from $1,213

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 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:45 am - 6:55 am
PWM
-
SYD
30h 10m
2 stops
United Airlines Logo
9:30 am - 11:59 pm
SYD
-
PWM
28h 29m
2 stops
$1,213United Airlines
Tue, Aug 18 - Thu, Aug 27
American Airlines Logo
3:06 pm - 7:30 am
PWM
-
SYD
26h 24m
2 stops
American Airlines Logo
12:00 pm - 8:06 pm
SYD
-
PWM
22h 06m
1 stop
$1,229American Airlines
Tue, Aug 18 - Thu, Aug 27
United Airlines Logo
3:27 pm - 9:20 am
PWM
-
SYD
25h 53m
2 stops
United Airlines Logo
11:20 am - 9:15 pm
SYD
-
PWM
25h 55m
2 stops
$1,312United Airlines
Wed, Nov 4 - Wed, Nov 18
Delta Logo
2:35 pm - 8:30 am
PWM
-
SYD
25h 55m
2 stops
Delta Logo
10:40 am - 10:23 pm
SYD
-
PWM
27h 43m
2 stops
$1,313Delta
Sun, Nov 1 - Sun, Nov 15
Delta Logo
2:35 pm - 8:30 am
PWM
-
SYD
49h 55m
2 stops
Delta Logo
10:40 am - 10:23 pm
SYD
-
PWM
27h 43m
2 stops
$1,331Delta
Sat, Nov 7 - Wed, Nov 18
Delta Logo
1:35 pm - 8:30 am
PWM
-
SYD
26h 55m
2 stops
Delta Logo
10:40 am - 10:23 pm
SYD
-
PWM
27h 43m
2 stops
$1,363Delta
Thu, Nov 5 - Sun, Nov 15
American Airlines Logo
8:00 am - 6:55 am
PWM
-
SYD
32h 55m
1 stop
American Airlines Logo
12:00 pm - 8:06 pm
SYD
-
PWM
22h 06m
1 stop
$1,375American Airlines
Tue, Aug 18 - Thu, Aug 27
Delta Logo
2:35 pm - 8:30 am
PWM
-
SYD
49h 55m
2 stops
Delta Logo
10:40 am - 11:49 pm
SYD
-
PWM
29h 09m
2 stops
$1,381Delta
Sat, Nov 7 - Fri, Nov 20
Delta Logo
6:00 am - 8:30 am
PWM
-
SYD
34h 30m
2 stops
Delta Logo
10:40 am - 10:23 pm
SYD
-
PWM
27h 43m
2 stops
$1,413Delta
Thu, Nov 5 - Thu, Nov 19
Turkish Airlines Logo
6:30 am - 7:35 pm
PWM
-
SYD
45h 05m
3 stops
Turkish Airlines Logo
9:30 pm - 11:43 pm
SYD
-
PWM
42h 13m
3 stops
$1,642Turkish Airlines
Tue, Nov 3 - Tue, Nov 17

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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
Aug 18
PWM10:45 amPortland
30h 10m
2 stops
SYD6:55 amSydney Kingsford Smith
Aug 27
SYD9:30 amSydney Kingsford Smith
28h 29m
2 stops
PWM11:59 pmPortland
$1,213
United Airlines
Nov 4
PWM3:27 pmPortland
25h 53m
2 stops
SYD9:20 amSydney Kingsford Smith
Nov 18
SYD11:20 amSydney Kingsford Smith
25h 55m
2 stops
PWM9:15 pmPortland
$1,312
United Airlines
Aug 24
PWM7:40 amPortland
33h 15m
2 stops
SYD6:55 amSydney Kingsford Smith
Aug 31
SYD10:20 amSydney Kingsford Smith
43h 31m
2 stops
PWM3:51 pmPortland
$1,961

American Airlines flights from Portland, Maine to Sydney

Our best American Airlines deals on Portland, Maine to Sydney flight tickets
American Airlines
Aug 18
PWM3:06 pmPortland
26h 24m
2 stops
SYD7:30 amSydney Kingsford Smith
Aug 27
SYD12:00 pmSydney Kingsford Smith
22h 06m
1 stop
PWM8:06 pmPortland
$1,229
American Airlines
Aug 18
PWM8:00 amPortland
32h 55m
1 stop
SYD6:55 amSydney Kingsford Smith
Aug 27
SYD12:00 pmSydney Kingsford Smith
22h 06m
1 stop
PWM8:06 pmPortland
$1,375

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 21, 2026.
Use the filters below to find and compare flights from Portland, Maine to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 8/18

10:45 am-6:55 am

2 stops30h 10m

Sydney Kingsford Smith

Thu 8/27

9:30 am-11:59 pm

2 stops28h 29m

$1,213
Quickest round-trip

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 8/18

3:06 pm-7:30 am

2 stops26h 24m

Sydney Kingsford Smith

Thu 8/27

12:00 pm-8:06 pm

1 stop22h 06m

$1,229

PortlandSydney

PWM - SYD

PWMSYD

Portland

Wed 11/4

3:27 pm-9:20 am

2 stops25h 53m

Sydney Kingsford Smith

Wed 11/18

11:20 am-9:15 pm

2 stops25h 55m

$1,312

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sun 11/1

2:35 pm-8:30 am

2 stops25h 55m

Sydney Kingsford Smith

Sun 11/15

10:40 am-10:23 pm

2 stops27h 43m

$1,313

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 11/7

2:35 pm-8:30 am

2 stops49h 55m

Sydney Kingsford Smith

Wed 11/18

10:40 am-10:23 pm

2 stops27h 43m

$1,331

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 11/5

1:35 pm-8:30 am

2 stops26h 55m

Sydney Kingsford Smith

Sun 11/15

10:40 am-10:23 pm

2 stops27h 43m

$1,363

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 8/18

8:00 am-6:55 am

1 stop32h 55m

Sydney Kingsford Smith

Thu 8/27

12:00 pm-8:06 pm

1 stop22h 06m

$1,375

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 11/7

2:35 pm-8:30 am

2 stops49h 55m

Sydney Kingsford Smith

Fri 11/20

10:40 am-11:49 pm

2 stops29h 09m

$1,381

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 11/5

6:00 am-8:30 am

2 stops34h 30m

Sydney Kingsford Smith

Thu 11/19

10:40 am-10:23 pm

2 stops27h 43m

$1,413

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 11/3

6:30 am-7:35 pm

3 stops45h 05m

Sydney Kingsford Smith

Tue 11/17

9:30 pm-11:43 pm

3 stops42h 13m

$1,642

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sydney from

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 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 42% 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

Fastest flight time

25h 39m

Direct flights

None
The fastest flight from Portland, Maine to Sydney takes 25h 39m
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. 25h 39m 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?

  • 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?

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 AirlinesPriceFrom $1,691Free CancellationRating
7.1
11,726 reviews
Search American Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Katoomba
Bondi Beach
Penrith
Wollongong
Randwick
Leura
Lithgow
Manly
Coogee
Cronulla
Terrigal
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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