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Cheap flights from Pennsylvania to Sydney from $937

PHL — SYD
4 Nov — 11 Nov1
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

Mon 16/1108:30 -
3 stops36h 05m
Mon 23/1114:00 -
3 stops32h 01m
Deal found 1/10$1,798
Sun 8/1117:05 -
2 stops48h 30m
Wed 18/1111:20 -
2 stops43h 24m
Deal found 4/10$1,844
Sun 15/1115:20 -
2 stops26h 15m
Sun 22/1111:20 -
2 stops26h 18m
Deal found 30/9$1,848
Mon 2/1115:20 -
3 stops50h 15m
Tue 10/1111:20 -
2 stops43h 24m
Deal found 30/9$1,851
Sun 15/1106:00 -
2 stops35h 05m
Sun 22/1109:15 -
2 stops45h 01m
Deal found 1/10$1,878
Wed 28/1016:00 -
1 stop23h 25m
Wed 4/1111:05 -
2 stops25h 09m
Deal found 4/10$1,890
Sun 15/1111:38 -
2 stops26h 47m
Sun 22/1111:05 -
3 stops28h 01m
Deal found 1/10$2,141
Sun 8/1106:00 -
2 stops35h 05m
Thu 12/1109:10 -
2 stops23h 47m
Deal found 4/10$3,308

Find flight deals from Pennsylvania to Sydney

Round-trip from

$1,765

One-way from

$937

Popular in

January

Cheapest in

February

Average price

$2,180
Qatar Airways
  • Qatar Airways
  • 17/2-24/2
  • 2 total stops
  • 62h 15m total
  • Pennsylvania to Sydney
Search Deals
8/2-31/12
  • 8/2-31/12
  • 2 total stops
  • 51h 13m total
  • Pennsylvania to Sydney
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($41 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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

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Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 31/1

10:41-19:45

3 stops41h 04m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,239

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Fri 30/10

05:43-13:00

2 stops40h 17m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,311

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 27/1

17:40-08:35

2 stops46h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,447

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 4/1

18:30-12:35

3 stops50h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,505

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 27/1

09:45-10:35

3 stops32h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,631

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 4/1

08:00-08:35

2 stops32h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,768
Fastest return journey

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Fri 30/10

18:21-09:20

1 stop23h 59m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,788

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 17/2

20:45-22:20

2 stops33h 35m

Sydney Kingsford Smith

Wed 24/2

15:50-14:50

1 stop39h 00m

$1,865

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 17/3

21:45-22:20

2 stops33h 35m

Sydney Kingsford Smith

Tue 30/3

16:50-16:00

1 stop38h 10m

$1,865

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 28/3

21:55-21:20

2 stops32h 25m

Sydney Kingsford Smith

Sun 4/4

15:50-15:05

1 stop37h 15m

$1,867

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Showing 1-10 of 22 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 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, February is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,586). Flying from Pennsylvania to Sydney in April is currently the most expensive (average of $2,292). 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 $1,887 and $2,755 in February.
The cheapest return price found within the last 5 days was $1,765 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 34 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 33h 35m. Qatar Airways provides one of the quickest options available for as low as $1,865. 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, February is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,586). Flying from Pennsylvania to Sydney in April is currently the most expensive (average of $2,292). 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
Lithgow
Cronulla
Terrigal
Katoomba
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$1,970Average$2,004FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

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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.

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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.

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