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Cheap flights from Pennsylvania to Sydney from $709

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 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
23 Apr — 30 Apr1
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
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 24 March 2026.

Mon 4/518:05
EWR
-
SYD
1 stop23h 15m
Air Canada
Mon 11/509:20
SYD
-
EWR
2 stops36h 48m
Air Canada
Deal found 20/3$1,352
Mon 4/518:05
EWR
-
SYD
1 stop23h 15m
Air Canada
Tue 19/509:20
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 19/3$1,355
Sun 5/414:25
EWR
-
SYD
2 stops26h 55m
Air Canada
Tue 21/409:20
SYD
-
EWR
2 stops42h 05m
Air Canada
Deal found 22/3$1,360
Sun 3/518:05
EWR
-
SYD
1 stop23h 15m
Air Canada
Sun 10/509:20
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 19/3$1,400
Mon 27/415:30
LGA
-
SYD
2 stops25h 50m
Air Canada
Wed 6/509:20
SYD
-
LGA
2 stops24h 16m
Air Canada
Deal found 23/3$1,540
Mon 13/414:30
LGA
-
SYD
2 stops26h 50m
Air Canada
Mon 27/409:20
SYD
-
LGA
2 stops23h 41m
Air Canada
Deal found 23/3$1,547
Sun 2/819:20
JFK
-
SYD
1 stop23h 00m
Qantas Airways
Mon 17/809:10
SYD
-
JFK
1 stop21h 10m
Qantas Airways
Deal found 23/3$1,553
Tue 27/1015:30
LGA
-
SYD
2 stops26h 05m
Air Canada
Mon 9/1111:20
SYD
-
LGA
2 stops24h 22m
Air Canada
Deal found 23/3$1,553
Mon 20/409:00
JFK
-
SYD
3 stops32h 20m
Air Canada
Tue 12/509:20
SYD
-
JFK
3 stops50h 27m
Air Canada
Deal found 22/3$1,557
Fri 16/1006:59
JFK
-
SYD
2 stops34h 21m
Air Canada
Sat 31/1010:20
SYD
-
JFK
2 stops25h 38m
Air Canada
Deal found 23/3$1,558
Thu 4/616:00
LGA
-
SYD
2 stops25h 20m
Air Canada
Sat 11/709:20
SYD
-
LGA
2 stops24h 25m
Air Canada
Deal found 23/3$1,558
Tue 27/1016:55
JFK
-
SYD
2 stops48h 40m
Air Canada
Mon 9/1111:20
SYD
-
JFK
2 stops25h 38m
Air Canada
Deal found 23/3$1,560

Find flight deals from Pennsylvania to Sydney

Keep the following information in mind while searching for Pennsylvania to Sydney flight deals. Data was last updated 24 March 2026.

Round-trip from

$1,248

One-way from

$709

Popular in

December

Cheapest in

April

Average price

$2,170
Air Canada
  • Air Canada
  • 14/4-21/4
  • 3 total stops
  • 48h 05m total
  • Pennsylvania to Sydney
Search Deals
23/5
  • 23/5
  • 3 total stops
  • 49h 15m total
  • Pennsylvania to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($333 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($76 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 24 March 2026.
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 - SYD

PHLSYD

Philadelphia

Wed 16/9

18:37-06:55

1 stop22h 18m

Sydney Kingsford Smith

Wed 30/9

10:20-16:58

1 stop20h 38m

$1,614

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Fri 29/5

18:23-06:55

1 stop22h 32m

Sydney Kingsford Smith

Thu 20/8

10:20-21:02

1 stop24h 42m

$1,614

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 1/7

15:10-07:00

2 stops25h 50m

Sydney Kingsford Smith

Mon 13/7

09:30-22:29

2 stops26h 59m

$1,620

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 27/4

17:58-06:55

1 stop22h 57m

Sydney Kingsford Smith

Sun 10/5

12:00-18:59

1 stop20h 59m

$1,751

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 18/5

11:00-06:50

1 stop29h 50m

Sydney Kingsford Smith

Wed 3/6

09:15-18:45

1 stop23h 30m

$1,753

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 20/4

17:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Mon 27/4

09:30-18:53

1 stop23h 23m

$1,753

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 18/5

14:50-06:55

2 stops26h 05m

Sydney Kingsford Smith

Sun 31/5

09:30-19:04

2 stops23h 34m

$1,758

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 19/5

07:20-06:55

2 stops33h 35m

Sydney Kingsford Smith

Mon 1/6

09:30-19:11

2 stops23h 41m

$1,758

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 4/5

16:09-06:50

2 stops24h 41m

Sydney Kingsford Smith

Mon 11/5

09:15-16:00

1 stop20h 45m

$1,760

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 20/4

16:15-06:50

1 stop24h 35m

Sydney Kingsford Smith

Mon 27/4

09:15-22:00

2 stops26h 45m

$1,760

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 60 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
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 $395). Flying from Pennsylvania to Sydney in October is currently the most expensive (average of $1,597). 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 22h 18m. United Airlines provides one of the quickest options available for as low as $1,614. 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, January is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $395). Flying from Pennsylvania to Sydney in October is currently the most expensive (average of $1,597). 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
Terrigal
Lithgow
Katoomba
Manly
Bondi Beach
Coogee
Cronulla
Leura
Randwick

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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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