Find flights
When to book
FAQs

Cheap flights from Pennsylvania to Sydney from $1,099

PHL — SYD
8 Dec — 15 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pennsylvania to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Pennsylvania to Sydney

Thu 5/1111:38 -
2 stops26h 47m
Thu 12/1110:25 -
3 stops28h 49m
Deal found 3/11$1,938
Sun 6/1215:55 -
2 stops27h 10m
Wed 16/1214:05 -
1 stop23h 06m
Deal found 4/11$1,943
Tue 8/1214:46 -
1 stop24h 09m
Tue 15/1211:05 -
2 stops25h 30m
Deal found 8/11$1,955
Thu 24/1215:36 -
2 stops27h 24m
Mon 11/114:05 -
1 stop24h 32m
Deal found 5/11$1,974
Tue 22/1215:45 -
2 stops26h 35m
Tue 29/1221:00 -
1 stop25h 34m
Deal found 7/11$1,988
Tue 15/1212:34 -
1 stop26h 21m
Wed 23/1211:05 -
2 stops23h 40m
Deal found 6/11$2,003
Tue 15/1214:46 -
1 stop24h 09m
Wed 23/1221:50 -
2 stops36h 55m
Deal found 5/11$2,019
Sat 12/1216:21 -
1 stop22h 34m
Wed 23/1221:50 -
2 stops36h 55m
Deal found 5/11$2,023
Wed 2/1214:46 -
1 stop24h 09m
Wed 25/809:10 -
2 stops25h 04m
Deal found 6/11$2,025
Tue 1/1216:00 -
2 stops27h 05m
Tue 8/1214:05 -
1 stop20h 55m
Deal found 3/11$2,031
Sat 5/1216:21 -
1 stop22h 34m
Sun 13/1221:50 -
2 stops38h 45m
Deal found 4/11$2,045
Thu 5/1110:21 -
2 stops28h 39m
Thu 12/1111:20 -
2 stops25h 37m
Deal found 3/11$2,101

Find flight deals from Pennsylvania to Sydney

Round-trip from

$1,846

One-way from

$1,099

Popular in

April

Cheapest in

March

Average price

$2,130
Qatar Airways
  • Qatar Airways
  • 17/2-24/2
  • 2 total stops
  • 68h 35m total
  • Pennsylvania to Sydney
Search Deals
25/11-31/12
  • 25/11-31/12
  • 2 total stops
  • 40h 30m total
  • Pennsylvania to Sydney
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($103 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($110 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
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 return flight

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 17/11

06:00-06:25

2 stops32h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,106

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 30/12

07:10-06:25

2 stops31h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,115

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sat 5/12

07:15-20:15

3 stops45h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,138

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 16/11

15:55-20:50

2 stops36h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,240

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sat 12/12

08:40-22:05

3 stops45h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,246

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Fri 20/11

09:50-08:50

3 stops55h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,568

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Fri 1/1

06:24-20:15

2 stops45h 51m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,857

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Tue 22/12

15:45-10:20

2 stops26h 35m

Sydney Kingsford Smith

Tue 29/12

21:00-06:34

1 stop25h 34m

$1,988

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 30/12

15:36-06:25

1 stop22h 49m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$2,058

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 24/2

09:00-08:35

2 stops31h 35m

Sydney Kingsford Smith

Wed 10/3

11:50-00:59

3 stops29h 09m

$2,077

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 27 resultsSorted by cheapest first
1
2
3

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 return price

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, March is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,907). Flying from Pennsylvania to Sydney in April is currently the most expensive (average of $2,322). 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 for a return flight from Pennsylvania to Sydney?

Airfare is below average for this route at the moment.
Pennsylvania to Sydney flights typically cost between $2,015 and $2,264 in February.
The cheapest return price found within the last 5 days was $1,846 on Qatar Airways (17 Feb–24 Feb).

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

To ensure you get the cheapest price possible for a flight from Pennsylvania to Sydney, you should look to book at least 4 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

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

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Pennsylvania. Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

  • How long is the flight from Pennsylvania to Sydney?

    A quick flight from Pennsylvania to Sydney can take about 30h 50m. Delta provides one of the quickest options available for as low as $2,259. The distance between Pennsylvania and Sydney is about 15871 km. This flight may include one or multiple stops.

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

    The most popular flight routes from Pennsylvania to Sydney are New York John F Kennedy Intl - Sydney Kingsford Smith, Newark - Sydney Kingsford Smith and New York LaGuardia - Sydney Kingsford Smith.

  • 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 holiday 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, March is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,907). Flying from Pennsylvania to Sydney in April is currently the most expensive (average of $2,322). 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

Travelling to a place near Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Pennsylvania to Sydney

AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,995Average$2,030FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Pennsylvania to Sydney?

Cheapflights makes it easy to find Pennsylvania to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Pennsylvania to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Pennsylvania to Sydney.

Can Cheapflights find flights from Pennsylvania to Sydney with no change fees?

Certainly. Search results for flights to Sydney from Pennsylvania shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Pennsylvania to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Pennsylvania to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.