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Cheap flights from Portland, Maine to Sydney from $1,165

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 6/3. 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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0 bags

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Find the cheapest flights from Portland, Maine to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 6:50 am
PWM
-
SYD
34h 50m
2 stops
Delta Logo
9:15 am - 11:05 pm
SYD
-
PWM
27h 50m
2 stops
$1,165Delta
Wed, Jun 3 - Wed, Jun 10
United Airlines Logo
6:00 am - 7:00 am
PWM
-
SYD
35h 00m
2 stops
United Airlines Logo
10:20 am - 11:51 pm
SYD
-
PWM
27h 31m
2 stops
$1,715United Airlines
Fri, Jun 26 - Fri, Jul 10
Delta Logo
6:00 am - 6:50 am
PWM
-
SYD
34h 50m
2 stops
Delta Logo
9:15 am - 10:43 am
SYD
-
PWM
39h 28m
2 stops
$1,865Delta
Thu, Jun 18 - Thu, Jun 25
Delta Logo
6:14 am - 6:50 am
PWM
-
SYD
34h 36m
2 stops
Delta Logo
9:15 am - 10:43 am
SYD
-
PWM
39h 28m
2 stops
$1,947Delta
Sat, Jun 20 - Sat, Jun 27
United Airlines Logo
3:31 pm - 6:55 am
PWM
-
SYD
25h 24m
2 stops
United Airlines Logo
10:20 am - 9:11 am
SYD
-
PWM
36h 51m
2 stops
$2,082United Airlines
Wed, Jun 17 - Wed, Jun 24
Japan Airlines Logo
6:00 am - 6:20 am
PWM
-
SYD
34h 20m
2 stops
Japan Airlines Logo
8:55 am - 11:58 pm
SYD
-
PWM
29h 03m
2 stops
$2,128Japan Airlines
Wed, Jun 3 - Sun, Jun 7
Air Canada Logo
6:00 am - 7:20 am
PWM
-
SYD
35h 20m
2 stops
Air Canada Logo
9:20 am - 1:25 pm
SYD
-
PWM
42h 05m
3 stops
$2,168Air Canada
Wed, Jun 3 - Sun, Jun 7
Air Canada Logo
6:00 am - 7:20 am
PWM
-
SYD
35h 20m
3 stops
Air Canada Logo
9:20 am - 1:25 pm
SYD
-
PWM
42h 05m
3 stops
$2,264Air Canada
Wed, Jun 3 - Sun, Jun 7
Japan Airlines Logo
6:00 am - 6:20 am
PWM
-
SYD
34h 20m
2 stops
Japan Airlines Logo
8:55 am - 11:58 pm
SYD
-
PWM
29h 03m
2 stops
$2,328Japan Airlines
Wed, Jun 3 - Sun, Jun 7
United Airlines Logo
3:31 pm - 6:55 am
PWM
-
SYD
25h 24m
2 stops
United Airlines Logo
10:20 am - 11:51 pm
SYD
-
PWM
27h 31m
2 stops
$2,366United Airlines
Thu, May 21 - Wed, May 27

Delta flights from Portland, Maine to Sydney

Our best Delta deals on Portland, Maine to Sydney flight tickets
Delta
Jun 3
PWM6:00 amPortland
34h 50m
2 stops
SYD6:50 amSydney Kingsford Smith
Jun 10
SYD9:15 amSydney Kingsford Smith
27h 50m
2 stops
PWM11:05 pmPortland
$1,165
Delta
Jun 18
PWM6:00 amPortland
34h 50m
2 stops
SYD6:50 amSydney Kingsford Smith
Jun 25
SYD9:15 amSydney Kingsford Smith
39h 28m
2 stops
PWM10:43 amPortland
$1,865
Delta
Jun 20
PWM6:14 amPortland
34h 36m
2 stops
SYD6:50 amSydney Kingsford Smith
Jun 27
SYD9:15 amSydney Kingsford Smith
39h 28m
2 stops
PWM10:43 amPortland
$1,947

Turkish Airlines flights from Portland, Maine to Sydney

Our best Turkish Airlines deals on Portland, Maine to Sydney flight tickets
Turkish Airlines
Jun 3
PWM2:37 pmPortland
38h 33m
3 stops
SYD7:10 pmSydney Kingsford Smith
Jun 10
SYD9:05 pmSydney Kingsford Smith
41h 20m
3 stops
PWM12:25 amPortland
$2,797
Turkish Airlines
Jun 3
PWM2:37 pmPortland
38h 33m
3 stops
SYD7:10 pmSydney Kingsford Smith
Jun 7
SYD9:05 pmSydney Kingsford Smith
40h 53m
3 stops
PWM11:58 pmPortland
$4,348

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 May 7, 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

Wed 6/3

6:00 am-6:50 am

2 stops34h 50m

Sydney Kingsford Smith

Wed 6/10

9:15 am-11:05 pm

2 stops27h 50m

$1,165

PortlandSydney

PWM - SYD

PWMSYD

Portland

Fri 6/26

6:00 am-7:00 am

2 stops35h 00m

Sydney Kingsford Smith

Fri 7/10

10:20 am-11:51 pm

2 stops27h 31m

$1,715

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 6/18

6:00 am-6:50 am

2 stops34h 50m

Sydney Kingsford Smith

Thu 6/25

9:15 am-10:43 am

2 stops39h 28m

$1,865

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 6/20

6:14 am-6:50 am

2 stops34h 36m

Sydney Kingsford Smith

Sat 6/27

9:15 am-10:43 am

2 stops39h 28m

$1,947

PortlandSydney

PWM - SYD

PWMSYD

Portland

Wed 6/17

3:31 pm-6:55 am

2 stops25h 24m

Sydney Kingsford Smith

Wed 6/24

10:20 am-9:11 am

2 stops36h 51m

$2,082

PortlandSydney

PWM - SYD

PWMSYD

Portland

Wed 6/3

6:00 am-6:20 am

2 stops34h 20m

Sydney Kingsford Smith

Sun 6/7

8:55 am-11:58 pm

2 stops29h 03m

$2,128

PortlandSydney

PWM - SYD

PWMSYD

Portland

Wed 6/3

6:00 am-7:20 am

2 stops35h 20m

Sydney Kingsford Smith

Sun 6/7

9:20 am-1:25 pm

3 stops42h 05m

$2,168

PortlandSydney

PWM - SYD

PWMSYD

Portland

Wed 6/3

6:00 am-7:20 am

3 stops35h 20m

Sydney Kingsford Smith

Sun 6/7

9:20 am-1:25 pm

3 stops42h 05m

$2,264

PortlandSydney

PWM - SYD

PWMSYD

Portland

Wed 6/3

6:00 am-6:20 am

2 stops34h 20m

Sydney Kingsford Smith

Sun 6/7

8:55 am-11:58 pm

2 stops29h 03m

$2,328
Quickest round-trip

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 5/21

3:31 pm-6:55 am

2 stops25h 24m

Sydney Kingsford Smith

Wed 5/27

10:20 am-11:51 pm

2 stops27h 31m

$2,366

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 41% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 9 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

35h 00m

Direct flights

None
The fastest flight from Portland, Maine to Sydney takes 35h 00m
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. 35h 00m 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
11,669 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
Bondi Beach
Katoomba
Wollongong
Penrith
Leura
Randwick
Coogee
Lithgow
Manly
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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