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Cheap flights from Pennsylvania to Sydney from $1,085

PHL — SYD
8 Nov — 15 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

Sun 8/1117:05 -
2 stops48h 30m
Wed 18/1111:20 -
2 stops43h 24m
Deal found 5/10$1,844
Sun 8/1109:15 -
2 stops32h 20m
Sun 15/1111:20 -
3 stops43h 19m
Deal found 8/10$1,857
Sun 29/1115:20 -
2 stops26h 15m
Mon 7/1211:20 -
3 stops42h 35m
Deal found 8/10$1,882
Wed 28/1015:20 -
2 stops26h 15m
Wed 4/1111:20 -
2 stops43h 19m
Deal found 7/10$1,893
Sun 8/1120:45 -
1 stop42h 05m
Wed 18/1115:50 -
1 stop39h 00m
Deal found 6/10$1,896
Mon 16/1110:54 -
3 stops30h 41m
Fri 4/1211:20 -
2 stops43h 24m
Deal found 4/10$1,906
Wed 28/1017:30 -
2 stops33h 30m
Wed 4/1114:05 -
1 stop20h 53m
Deal found 7/10$1,915
Mon 23/1110:21 -
2 stops30h 44m
Mon 30/1109:15 -
2 stops45h 22m
Deal found 9/10$2,382
Fri 20/1106:00 -
2 stops35h 05m
Fri 27/1111:50 -
2 stops25h 07m
Deal found 6/10$2,632
Sun 8/1110:21 -
2 stops30h 59m
Thu 12/1109:10 -
2 stops23h 47m
Deal found 6/10$3,309

Find flight deals from Pennsylvania to Sydney

Round-trip from

$1,764

One-way from

$937

Popular in

January

Cheapest in

February

Average price

$2,181
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.

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Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Thu 21/1

10:41-06:35

2 stops51h 54m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,275

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 4/1

13:51-20:50

2 stops38h 59m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,606

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Thu 24/12

18:30-19:45

2 stops33h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,662
Fastest return journey

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sat 23/1

15:55-09:00

1 stop25h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,692

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 4/1

08:00-18:15

2 stops42h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,824

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Fri 25/12

07:01-19:45

2 stops44h 44m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,865

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

$1,866

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 23/12

18:30-19:45

2 stops33h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,902

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 23/12

09:50-09:05

3 stops31h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,915

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 4/1

15:36-09:00

1 stop25h 24m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,918

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $1,587). Flying from Pennsylvania to Sydney in April is currently the most expensive (average of $2,293). 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 $1,888 and $2,756 in February.
The cheapest return price found within the last 5 days was $1,764 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 22h 59m. Qantas Airways provides one of the quickest options available for as low as $2,254. 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 $1,587). Flying from Pennsylvania to Sydney in April is currently the most expensive (average of $2,293). 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$1,971Average$2,005FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

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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.

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