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Cheap flights from Pennsylvania to Sydney from $655

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
1 Apr — 8 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 2 March 2026.

Sun 19/414:25
EWR
-
SYD
2 stops26h 55m
Air Canada
Mon 4/509:20
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 28/2$1,146
Sun 19/418:00
EWR
-
SYD
1 stop23h 20m
Air Canada
Tue 5/509:20
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 2/3$1,195
Sun 17/514:25
EWR
-
SYD
2 stops26h 55m
Air Canada
Sun 24/509:20
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 27/2$1,213
Wed 7/1014:12
PHL
-
SYD
2 stops26h 38m
Delta
Sun 18/1010:15
SYD
-
PHL
2 stops29h 06m
Delta
Deal found 26/2$1,413
Tue 28/413:20
PHL
-
SYD
2 stops27h 30m
Delta
Mon 4/509:15
SYD
-
PHL
2 stops27h 35m
Delta
Deal found 27/2$1,414
Wed 4/1114:12
PHL
-
SYD
2 stops26h 18m
Delta
Tue 10/1110:40
SYD
-
PHL
2 stops29h 41m
Delta
Deal found 26/2$1,427
Sat 10/1018:30
PHL
-
SYD
2 stops46h 20m
Delta
Sun 18/1010:15
SYD
-
PHL
2 stops28h 25m
Delta
Deal found 26/2$1,435
Sat 7/1117:15
PHL
-
SYD
2 stops47h 15m
Delta
Wed 11/1110:40
SYD
-
PHL
2 stops23h 39m
Delta
Deal found 26/2$1,449
Wed 20/509:00
JFK
-
SYD
3 stops32h 20m
Air Canada
Fri 5/609:20
SYD
-
JFK
2 stops26h 27m
Air Canada
Deal found 26/2$1,463
Wed 27/509:00
JFK
-
SYD
3 stops32h 20m
Air Canada
Fri 5/609:20
SYD
-
JFK
2 stops26h 27m
Air Canada
Deal found 27/2$1,465
Sun 12/410:30
LGA
-
SYD
2 stops30h 50m
Air Canada
Sat 18/409:20
SYD
-
LGA
2 stops23h 41m
Air Canada
Deal found 26/2$1,465
Sat 11/415:50
JFK
-
SYD
2 stops49h 30m
Air Canada
Sat 18/409:20
SYD
-
JFK
2 stops27h 28m
Air Canada
Deal found 1/3$1,466

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 2 March 2026.

Round-trip from

$1,146

One-way from

$655

Popular in

December

Cheapest in

April

Average price

$2,127
Air Canada
  • Air Canada
  • 19/4-4/5
  • 2 total stops
  • 44h 40m total
  • Pennsylvania to Sydney
Search Deals
9/4
  • 9/4
  • 2 total stops
  • 29h 38m total
  • Pennsylvania to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($395 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($89 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 2 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

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 22/8

08:00-06:50

2 stops32h 50m

Sydney Kingsford Smith

Wed 26/8

09:15-01:01

2 stops29h 46m

$1,497

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 27/8

16:05-06:50

2 stops24h 45m

Sydney Kingsford Smith

Mon 31/8

09:15-01:01

2 stops53h 46m

$1,519

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 19/4

14:55-06:50

2 stops25h 55m

Sydney Kingsford Smith

Tue 5/5

09:15-19:26

2 stops24h 11m

$1,529

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 19/4

13:10-07:00

2 stops27h 50m

Sydney Kingsford Smith

Tue 5/5

10:20-18:43

2 stops22h 23m

$1,531

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 19/4

12:25-07:00

2 stops28h 35m

Sydney Kingsford Smith

Mon 4/5

09:30-19:06

2 stops23h 36m

$1,531

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 19/4

18:30-07:00

1 stop22h 30m

Sydney Kingsford Smith

Tue 5/5

09:30-16:44

1 stop21h 14m

$1,531

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 19/4

12:59-06:50

2 stops27h 51m

Sydney Kingsford Smith

Tue 5/5

09:15-16:29

1 stop21h 14m

$1,531

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 4/5

16:00-06:55

1 stop24h 55m

Sydney Kingsford Smith

Wed 10/6

09:30-18:59

1 stop23h 29m

$1,540

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 25/5

11:45-06:50

1 stop29h 05m

Sydney Kingsford Smith

Tue 2/6

09:15-22:33

1 stop27h 18m

$1,540

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 4/5

16:15-06:50

1 stop24h 35m

Sydney Kingsford Smith

Wed 10/6

09:15-20:55

2 stops25h 40m

$1,548

Flights are sorted by cheapest return flights first.

Deals found on 28/2

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 $388). Flying from Pennsylvania to Sydney in October is currently the most expensive (average of $1,517). 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 25h 42m. Delta provides one of the quickest options available for as low as $1,531. The distance between Pennsylvania and Sydney is about 15995 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 $388). Flying from Pennsylvania to Sydney in October is currently the most expensive (average of $1,517). 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
Katoomba
Manly
Terrigal
Lithgow
Bondi Beach
Leura
Coogee
Cronulla
Randwick

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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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