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$553+ Cheap flights from Pennsylvania to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Pennsylvania to Sydney

Cheapest flights from Pennsylvania to Sydney
Explore the most affordable flight options available from Pennsylvania to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This lol.travel deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Sun 9/139:20 am
SYD
-
EWR
1 stop21h 13m
Air Canada
Deal found 7/26$1,041
This lol.travel deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Tue 9/159:20 am
SYD
-
EWR
2 stops23h 40m
Air Canada
Deal found 7/25$1,048
This oojo deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:40 pm
PIT
-
SYD
1 stop24h 20m
Qantas Airways
Mon 11/27:15 pm
SYD
-
PIT
2 stops37h 40m
Qantas Airways
Deal found 7/26$1,079
This oojo deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:30 pm
PHL
-
SYD
1 stop24h 30m
Qantas Airways
Sat 11/77:15 pm
SYD
-
PHL
2 stops35h 40m
Qantas Airways
Deal found 7/25$1,103
This Air Canada deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:35 pm
PIT
-
SYD
2 stops49h 45m
Air Canada
Tue 10/1310:20 am
SYD
-
PIT
2 stops40h 12m
Air Canada
Deal found 7/22$1,116
This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:12 am
IAD
-
SYD
3 stops34h 38m
Multiple Airlines
Wed 9/231:15 pm
SYD
-
IAD
3 stops35h 12m
Multiple Airlines
Deal found 7/24$1,117
This FlightHub deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am
PIT
-
SYD
2 stops59h 35m
Air Canada
Mon 11/211:20 am
SYD
-
PIT
2 stops47h 16m
Air Canada
Deal found 7/26$1,131
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:40 pm
PIT
-
SYD
1 stop23h 25m
Qantas Airways
Tue 10/1310:10 am
SYD
-
PIT
1 stop21h 30m
Qantas Airways
Deal found 7/24$1,139
This oojo deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:24 pm
PIT
-
SYD
1 stop22h 31m
Qantas Airways
Wed 10/710:10 am
SYD
-
PIT
1 stop21h 30m
Qantas Airways
Deal found 7/22$1,140
This oojo deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:17 pm
PIT
-
SYD
1 stop25h 38m
Qantas Airways
Wed 9/2312:00 pm
SYD
-
PIT
1 stop24h 59m
Qantas Airways
Deal found 7/26$1,142
This Orbitz deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:46 pm
PIT
-
SYD
3 stops69h 34m
Air Canada
Wed 10/2110:20 am
SYD
-
PIT
2 stops23h 32m
Air Canada
Deal found 7/22$1,144
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:30 pm
JFK
-
SYD
1 stop22h 25m
American Airlines
Tue 9/155:50 pm
SYD
-
JFK
1 stop26h 08m
American Airlines
Deal found 7/24$1,144

Find flight deals from Pennsylvania to Sydney

Keep the following information in mind while searching for Pennsylvania to Sydney flight deals. Data was last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,041
(lol.travel)

One-way from

$553
(Philippine Airlines)

Popular in

December

Cheapest in

February

Average price

$1,556
Provider with most accurate pricing for Philadelphia-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Sydney Kingsford Smith flights.
Search Deals
From Pennsylvania to Sydney Kingsford Smith
Search Deals
One-way flight from Pennsylvania to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Pennsylvania to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Mon 10/5

3:35 pm-8:20 am

3 stops49h 45m

Sydney Kingsford Smith

Tue 10/13

10:20 am-8:37 pm

2 stops25h 17m

$1,124

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Mon 10/5

5:40 pm-8:05 am

1 stop23h 25m

Sydney Kingsford Smith

Tue 10/13

10:10 am-4:40 pm

1 stop21h 30m

$1,139

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 11/8

2:00 pm-7:00 am

1 stop25h 00m

Sydney Kingsford Smith

Wed 11/18

9:15 am-4:42 pm

1 stop23h 27m

$1,146

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 9/15

1:25 pm-7:00 am

2 stops27h 35m

Sydney Kingsford Smith

Mon 9/28

10:20 am-11:10 pm

2 stops26h 50m

$1,146
Quickest round-trip

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 9/14

6:30 pm-7:00 am

1 stop22h 30m

Sydney Kingsford Smith

Tue 9/29

10:20 am-4:53 pm

1 stop20h 33m

$1,146

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 9/13

6:30 pm-7:00 am

1 stop22h 30m

Sydney Kingsford Smith

Tue 9/29

10:20 am-4:53 pm

1 stop20h 33m

$1,146

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 8/10

12:00 pm-7:00 am

1 stop29h 00m

Sydney Kingsford Smith

Sun 8/16

10:20 am-11:49 pm

1 stop27h 29m

$1,147

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Mon 8/3

5:02 pm-7:00 am

2 stops23h 58m

Sydney Kingsford Smith

Wed 8/19

10:20 am-8:36 pm

2 stops24h 16m

$1,161

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sat 9/12

4:59 pm-6:55 am

2 stops47h 56m

Sydney Kingsford Smith

Sun 9/20

9:30 am-9:36 pm

2 stops26h 06m

$1,167

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 8/23

6:17 pm-7:30 am

1 stop23h 13m

Sydney Kingsford Smith

Tue 9/1

12:00 pm-7:21 pm

1 stop21h 21m

$1,195

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Pennsylvania to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Pennsylvania with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pennsylvania to Sydney

What is the cheapest month to book a flight from Pennsylvania to Sydney?

Currently, February is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,124). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $1,736). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Pennsylvania to Sydney?

Airfare is below average for this route at the moment.
Pennsylvania to Sydney flights typically cost between $1,486 and $1,548 in October.
The cheapest round-trip price found within the last 5 days was $1,103 on Qantas Airways (Oct 28-Nov 7).

How far ahead should I book a flight from Pennsylvania to Sydney?

The price you pay for your flight from Pennsylvania to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Pennsylvania?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Pennsylvania to Sydney. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

  • How long is the flight from Pennsylvania to Sydney?

    A quick flight from Pennsylvania to Sydney can take about 23h 25m. Air Canada provides one of the quickest options available for as low as $1,139. Pennsylvania and Sydney are separated by a distance of 9605 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Pennsylvania to Sydney?

    When deciding which route to take from Pennsylvania to Sydney consider New York John F Kennedy Intl - Sydney Kingsford Smith, Newark - Sydney Kingsford Smith or New York LaGuardia - Sydney Kingsford Smith as they are the most popular.

  • Can I find deals for flights from Pennsylvania to Sydney that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Sydney.

  • Can I find deals for business class flights from Pennsylvania to Sydney?

    Yes. Cheapflights offers flight deals from Pennsylvania to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pennsylvania to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,124). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $1,736). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Pennsylvania to Sydney

Discover the top 6 airlines that operate flights from Pennsylvania to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$843Average$1,456FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,045Average$1,405FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,066Average$1,398FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,159Average$1,499FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$1,244Average$1,486FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,418Average$1,548FlexibilityNo cancel feeOn-time78%

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