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Cheap flights from Pennsylvania to Sydney from $798

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
9 Sep — 16 Sep1
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 10 August 2026.

Sun 30/818:05 -
1 stop23h 15m
Sun 13/909:20 -
1 stop21h 13m
Deal found 8/8$1,451
Thu 10/918:05 -
1 stop23h 15m
Wed 23/909:20 -
1 stop21h 13m
Deal found 5/8$1,478
Tue 22/918:05 -
1 stop23h 15m
Tue 29/909:20 -
2 stops24h 30m
Deal found 8/8$1,479
Sun 11/1018:05 -
1 stop23h 15m
Sun 25/1010:20 -
1 stop21h 29m
Deal found 7/8$1,485
Tue 8/914:25 -
2 stops26h 55m
Tue 15/909:20 -
3 stops36h 18m
Deal found 8/8$1,488
Wed 23/911:12 -
3 stops45h 13m
Wed 30/913:15 -
3 stops31h 05m
Deal found 9/8$1,491
Wed 14/1018:05 -
1 stop23h 15m
Wed 28/1010:20 -
1 stop21h 29m
Deal found 7/8$1,496
Tue 13/1014:25 -
2 stops26h 55m
Mon 2/1111:20 -
1 stop21h 29m
Deal found 7/8$1,498
Thu 24/906:00 -
3 stops74h 25m
Thu 1/1013:15 -
3 stops55h 05m
Deal found 10/8$1,643
Sun 20/911:12 -
3 stops34h 38m
Sun 27/913:15 -
3 stops35h 02m
Deal found 6/8$1,645
Sat 29/802:00 -
1 stop27h 10m
Sun 13/911:45 -
1 stop25h 10m
Deal found 7/8$1,645
Tue 13/1011:35 -
1 stop29h 45m
Wed 4/1111:20 -
1 stop23h 43m
Deal found 8/8$1,648

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 10 August 2026.

Round-trip from

$1,451

One-way from

$798

Popular in

January

Cheapest in

February

Average price

$2,189
Air Canada
  • Air Canada
  • 30/8-13/9
  • 2 total stops
  • 44h 28m total
  • Pennsylvania to Sydney
Search Deals
7/11
  • 7/11
  • 3 total stops
  • 58h 15m 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 ($39 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 10 August 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

NewarkSydney

EWR Newark - SYD Sydney Kingsford Smith

EWRSYD

Newark

Mon 31/8

16:00-06:55

2 stops24h 55m

Sydney Kingsford Smith

Mon 7/9

10:20-19:27

2 stops23h 07m

$1,758

New YorkSydney

JFK New York John F Kennedy Intl - SYD Sydney Kingsford Smith

JFKSYD

New York John F Kennedy Intl

Thu 10/9

18:30-06:55

1 stop22h 25m

Sydney Kingsford Smith

Wed 23/9

09:10-18:31

1 stop23h 21m

$1,841
Fastest return journey

New YorkSydney

LGA New York LaGuardia - SYD Sydney Kingsford Smith

LGASYD

New York LaGuardia

Thu 10/9

18:59-06:55

1 stop21h 56m

Sydney Kingsford Smith

Wed 23/9

12:00-18:29

1 stop20h 29m

$1,843

New YorkSydney

JFK New York John F Kennedy Intl - SYD Sydney Kingsford Smith

JFKSYD

New York John F Kennedy Intl

Mon 14/9

15:45-06:50

1 stop25h 05m

Sydney Kingsford Smith

Tue 22/9

09:15-18:34

1 stop23h 19m

$1,850

ScrantonSydney

AVP Wilkes-Barre Scranton - SYD Sydney Kingsford Smith

AVPSYD

Wilkes-Barre Scranton

Mon 21/9

10:21-07:00

2 stops30h 39m

Sydney Kingsford Smith

Sun 11/10

10:30-09:46

2 stops38h 16m

$1,856

New YorkSydney

JFK New York John F Kennedy Intl - SYD Sydney Kingsford Smith

JFKSYD

New York John F Kennedy Intl

Wed 3/2

12:25-08:30

2 stops28h 05m

Sydney Kingsford Smith

Sun 21/2

10:40-22:32

1 stop27h 52m

$1,857

New YorkSydney

JFK New York John F Kennedy Intl - SYD Sydney Kingsford Smith

JFKSYD

New York John F Kennedy Intl

Mon 1/2

11:25-08:30

2 stops29h 05m

Sydney Kingsford Smith

Tue 9/2

10:40-19:22

1 stop24h 42m

$1,857

New YorkSydney

LGA New York LaGuardia - SYD Sydney Kingsford Smith

LGASYD

New York LaGuardia

Mon 14/9

15:39-07:00

2 stops25h 21m

Sydney Kingsford Smith

Mon 21/9

10:20-18:45

2 stops22h 25m

$1,857

New YorkSydney

JFK New York John F Kennedy Intl - SYD Sydney Kingsford Smith

JFKSYD

New York John F Kennedy Intl

Sun 27/9

08:00-06:50

1 stop32h 50m

Sydney Kingsford Smith

Sun 11/10

10:15-21:59

2 stops26h 44m

$1,857

PittsburghSydney

PIT Pittsburgh - SYD Sydney Kingsford Smith

PITSYD

Pittsburgh

Fri 16/10

17:33-08:40

2 stops48h 07m

Sydney Kingsford Smith

Mon 19/10

11:20-16:04

1 stop19h 44m

$1,867

Flights are sorted by cheapest return flights first.

Deals found on 8/8

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, February is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,577). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $2,276). 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 $2,102 and $2,247 in November.
The cheapest return price found within the last 5 days was $1,718 on Air Canada (8 Nov–18 Nov).

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 38 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

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 24h 55m. United Airlines provides one of the quickest options available for as low as $1,758. The distance between Pennsylvania and Sydney is about 15970 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 $1,577). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $2,276). 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
Katoomba
Lithgow
Cronulla
Randwick
Terrigal
Leura
Bondi Beach
Coogee

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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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