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Cheap flights from Pennsylvania to Sydney from $858

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Pennsylvania to Sydney

Enter your travel dates to find the best prices.

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 14 November 2025.

Mon 29/1218:25EWR - SYD
1 stop44h 30mAir Canada
Mon 19/116:00SYD - EWR
1 stop40h 53mAir Canada
Deal found 12/11$1,277
Thu 27/1115:30EWR - SYD
2 stops26h 05mAir Canada
Thu 11/1211:20SYD - EWR
1 stop21h 33mAir Canada
Deal found 14/11$1,349
Tue 2/1212:02EWR - SYD
2 stops29h 33mAir Canada
Tue 9/1219:15SYD - EWR
2 stops37h 38mAir Canada
Deal found 12/11$1,360
Tue 30/1214:20EWR - SYD
2 stops27h 15mAir Canada
Fri 23/111:20SYD - EWR
2 stops25h 17mAir Canada
Deal found 13/11$1,369
Mon 1/1218:25EWR - SYD
1 stop44h 30mAir Canada
Sun 14/1211:20SYD - EWR
1 stop21h 33mAir Canada
Deal found 12/11$1,390
Sat 6/1218:25EWR - SYD
1 stop23h 10mAir Canada
Mon 22/1211:20SYD - EWR
1 stop21h 33mAir Canada
Deal found 12/11$1,392
Thu 4/1215:30EWR - SYD
2 stops26h 05mAir Canada
Thu 11/1211:20SYD - EWR
1 stop21h 33mAir Canada
Deal found 13/11$1,425
Sun 7/1215:43PIT - SYD
2 stops31h 07mQantas Airways
Sun 14/1211:20SYD - PIT
1 stop21h 20mQantas Airways
Deal found 13/11$1,450
Tue 30/1217:42PIT - SYD
1 stop23h 18mQantas Airways
Tue 10/219:15SYD - PIT
2 stops35h 50mQantas Airways
Deal found 12/11$1,483
Tue 2/1215:45PHL - SYD
1 stop25h 15mQantas Airways
Sat 6/1217:50SYD - PHL
2 stops36h 47mQantas Airways
Deal found 12/11$1,483
Sun 30/1115:20LGA - SYD
2 stops26h 15mAir Canada
Mon 15/1211:20SYD - LGA
2 stops26h 13mAir Canada
Deal found 12/11$1,512
Tue 30/1210:05JFK - SYD
2 stops31h 30mAir Canada
Mon 18/509:20SYD - JFK
2 stops38h 30mAir Canada
Deal found 13/11$1,521

Cheap flight deals from Pennsylvania to Sydney

Keep the following information in mind while searching for Pennsylvania to Sydney flight deals. Data was last updated 14 November 2025.

Round-trip from

$1,238

One-way from

$858

Popular in

December

Cheapest in

February

Average price

$1,921
Air Canada
  • Air Canada
  • 9/12-16/12
  • 2 total stops
  • 44h 43m total
  • Pennsylvania to Sydney
Search Deals
12/3
  • 12/3
  • 3 total stops
  • 49h 15m total
  • Pennsylvania to Sydney
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($617 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($117 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 14 November 2025.
Use the filters below to find and compare flights from Pennsylvania to Sydney that are best for you.

Fly from

Pennsylvania

Fly to

Sydney

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 31/3

17:19-08:05

1 stop23h 46m

Sydney Kingsford Smith

Mon 20/4

09:10-17:55

1 stop22h 45m

$1,512

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 23/2

15:25-09:05

2 stops25h 40m

Sydney Kingsford Smith

Wed 11/3

11:50-19:16

1 stop22h 26m

$1,515

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 10/2

15:41-07:00

1 stop23h 19m

Sydney Kingsford Smith

Tue 17/2

11:50-19:07

1 stop23h 17m

$1,515

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 23/2

14:10-07:00

2 stops24h 50m

Sydney Kingsford Smith

Wed 11/3

10:20-15:52

1 stop20h 32m

$1,515

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 9/2

16:55-08:30

1 stop23h 35m

Sydney Kingsford Smith

Wed 25/2

10:40-22:01

2 stops27h 21m

$1,523

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Tue 3/2

08:30-06:50

2 stops30h 20m

Sydney Kingsford Smith

Wed 18/2

10:40-17:39

1 stop22h 59m

$1,523

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Wed 1/4

07:15-07:35

2 stops33h 20m

Sydney Kingsford Smith

Wed 15/4

09:25-23:48

1 stop28h 23m

$1,523

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 25/2

07:45-07:00

1 stop31h 15m

Sydney Kingsford Smith

Wed 11/3

12:10-21:23

2 stops24h 13m

$1,523

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 31/3

15:45-08:00

2 stops25h 15m

Sydney Kingsford Smith

Tue 7/4

10:20-19:37

2 stops23h 17m

$1,523

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 24/1

14:30-09:00

1 stop26h 30m

Sydney Kingsford Smith

Mon 9/2

11:20-20:16

1 stop24h 56m

$1,556

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 60 results
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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
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, January is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $421). Flying from Pennsylvania to Sydney in October is currently the most expensive (average of $1,344). 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.

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?

    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 23h 35m. Qantas Airways provides one of the quickest options available for as low as $1,523. The distance between Pennsylvania and Sydney is about 16002 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Pennsylvania to Sydney one-way?

    For one-way options, check prices for Qantas Airways. According to our data, you can fly for as low as $957. Users have also found prices from $1,070 and $1,163 on Fiji Airways and Delta, respectively.

  • 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, January is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $421). Flying from Pennsylvania to Sydney in October is currently the most expensive (average of $1,344). 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
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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Fly with Cheapflights

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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.

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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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