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Cheap flights from Pennsylvania to Sydney from $1,074

PHL — SYD
29 Nov — 6 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

Sun 8/1117:05 -
2 stops48h 30m
Wed 18/1111:20 -
2 stops43h 19m
Deal found 26/10$1,628
Thu 3/1215:20 -
2 stops50h 15m
Sun 13/1211:20 -
2 stops43h 24m
Deal found 26/10$1,762
Thu 24/1205:45 -
2 stops34h 45m
Thu 14/110:40 -
2 stops23h 39m
Deal found 27/10$1,763
Sun 22/1115:20 -
2 stops26h 15m
Sun 16/509:20 -
2 stops26h 06m
Deal found 26/10$1,818
Thu 3/1207:34 -
3 stops56h 01m
Tue 8/1211:10 -
2 stops39h 46m
Deal found 27/10$1,843
Thu 5/1115:20 -
2 stops26h 15m
Sun 15/1111:20 -
2 stops43h 19m
Deal found 26/10$1,848
Sat 5/1215:20 -
2 stops26h 15m
Sat 29/509:20 -
2 stops43h 16m
Deal found 25/10$1,853
Mon 14/1215:55 -
2 stops26h 25m
Mon 21/1214:05 -
1 stop23h 08m
Deal found 30/10$1,857
Mon 23/1110:21 -
2 stops28h 39m
Mon 30/1109:15 -
2 stops45h 22m
Deal found 26/10$2,415
Thu 10/1215:12 -
2 stops25h 53m
Thu 17/1211:20 -
2 stops24h 13m
Deal found 26/10$3,188
Sun 8/1106:00 -
2 stops35h 05m
Thu 12/1111:20 -
2 stops25h 37m
Deal found 26/10$3,449
Mon 23/1106:02 -
3 stops34h 13m
Mon 30/1111:10 -
2 stops27h 56m
Deal found 26/10$3,498

Find flight deals from Pennsylvania to Sydney

Round-trip from

$1,539

One-way from

$1,074

Popular in

January

Cheapest in

February

Average price

$2,269
Delta
  • Delta
  • 31/3-18/4
  • 4 total stops
  • 69h 16m total
  • Pennsylvania to Sydney
Search Deals
4/11-31/12
  • 4/11-31/12
  • 2 total stops
  • 32h 25m total
  • Pennsylvania to Sydney
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($37 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

Mon 8/2

10:41-20:25

3 stops41h 44m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,186

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 4/11

06:00-19:45

3 stops45h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,215

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 4/11

13:47-06:25

1 stop24h 38m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,534

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 8/2

15:55-09:00

1 stop25h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,584
Fastest return journey

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Wed 31/3

15:38-06:55

1 stop24h 17m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,586

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 1/2

09:55-08:35

3 stops30h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,612

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sat 19/12

19:52-22:15

3 stops58h 23m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,772

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sat 12/12

15:55-10:20

2 stops26h 25m

Sydney Kingsford Smith

Sat 19/12

14:05-21:13

1 stop23h 08m

$2,086

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Mon 7/12

09:20-09:20

1 stop32h 00m

Sydney Kingsford Smith

Fri 25/12

09:15-18:58

1 stop25h 43m

$2,096

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Fri 26/2

09:39-06:20

2 stops28h 41m

Sydney Kingsford Smith

Sat 13/3

09:20-18:37

2 stops25h 17m

$2,277

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 20 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, March is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,861). Flying from Pennsylvania to Sydney in April is currently the most expensive (average of $2,266). 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 $1,874 and $2,209 in March.
The cheapest return price found within the last 5 days was $1,539 on Delta (31 Mar–18 Apr).

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 26h 25m. Qantas Airways provides one of the quickest options available for as low as $2,086. 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 $1,861). Flying from Pennsylvania to Sydney in April is currently the most expensive (average of $2,266). 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
Lithgow
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$1,947Average$1,982FlexibilityNo 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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