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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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
14 Sep — 21 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 15 August 2026.

Sun 30/818:05 -
1 stop23h 15m
Tue 15/909:20 -
1 stop25h 43m
Deal found 14/8$1,417
Wed 4/1118:15 -
1 stop23h 20m
Wed 18/1111:20 -
1 stop21h 29m
Deal found 13/8$1,443
Mon 14/907:50 -
3 stops38h 00m
Sun 20/913:15 -
3 stops34h 17m
Deal found 15/8$1,461
Sun 30/818:05 -
1 stop23h 15m
Sun 13/909:20 -
1 stop21h 13m
Deal found 11/8$1,465
Sat 29/817:12 -
1 stop24h 08m
Mon 14/909:20 -
1 stop21h 13m
Deal found 13/8$1,467
Sat 29/817:12 -
1 stop24h 08m
Sun 13/909:20 -
1 stop21h 13m
Deal found 12/8$1,468
Sun 13/907:50 -
3 stops38h 00m
Wed 23/906:15 -
3 stops42h 12m
Deal found 11/8$1,474
Wed 16/911:12 -
3 stops34h 38m
Wed 23/913:15 -
3 stops35h 12m
Deal found 11/8$1,475
Sun 13/907:50 -
3 stops38h 00m
Mon 21/913:15 -
3 stops35h 02m
Deal found 12/8$1,485
Fri 16/1016:00 -
1 stop25h 20m
Wed 28/1010:20 -
2 stops26h 11m
Deal found 11/8$1,652
Fri 18/915:30 -
2 stops25h 50m
Sat 17/1010:20 -
2 stops26h 10m
Deal found 15/8$1,653
Thu 5/1113:05 -
1 stop39h 10m
Thu 26/1112:25 -
1 stop38h 05m
Deal found 13/8$1,655

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 15 August 2026.

Round-trip from

$1,417

One-way from

$798

Popular in

January

Cheapest in

February

Average price

$2,187
Air Canada
  • Air Canada
  • 30/8-15/9
  • 2 total stops
  • 48h 58m total
  • Pennsylvania to Sydney
Search Deals
11/11
  • 11/11
  • 2 total stops
  • 31h 25m 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 15 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

New YorkSydney

LGA New York LaGuardia - SYD Sydney Kingsford Smith

LGASYD

New York LaGuardia

Sun 30/8

15:29-07:00

2 stops25h 31m

Sydney Kingsford Smith

Tue 15/9

10:20-18:45

2 stops22h 25m

$1,737

New YorkSydney

LGA New York LaGuardia - SYD Sydney Kingsford Smith

LGASYD

New York LaGuardia

Wed 21/10

13:25-08:00

2 stops27h 35m

Sydney Kingsford Smith

Wed 28/10

09:15-16:42

1 stop22h 27m

$1,848
Fastest return journey

New YorkSydney

LGA New York LaGuardia - SYD Sydney Kingsford Smith

LGASYD

New York LaGuardia

Wed 25/11

15:29-09:20

2 stops25h 51m

Sydney Kingsford Smith

Tue 8/12

09:20-14:15

1 stop20h 55m

$1,848

New YorkSydney

LGA New York LaGuardia - SYD Sydney Kingsford Smith

LGASYD

New York LaGuardia

Mon 1/2

12:20-07:00

1 stop26h 40m

Sydney Kingsford Smith

Mon 1/3

09:20-21:23

2 stops28h 03m

$1,848

New YorkSydney

LGA New York LaGuardia - SYD Sydney Kingsford Smith

LGASYD

New York LaGuardia

Sun 13/9

14:55-06:55

2 stops26h 00m

Sydney Kingsford Smith

Tue 22/9

10:20-18:45

2 stops22h 25m

$1,854

New YorkSydney

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

JFKSYD

New York John F Kennedy Intl

Tue 29/9

13:00-06:50

2 stops27h 50m

Sydney Kingsford Smith

Mon 12/10

10:15-20:51

2 stops25h 36m

$1,855

HarrisburgSydney

MDT Harrisburg - SYD Sydney Kingsford Smith

MDTSYD

Harrisburg

Sun 27/9

14:08-06:55

2 stops26h 47m

Sydney Kingsford Smith

Sun 4/10

10:30-23:29

2 stops27h 59m

$1,855

PittsburghSydney

PIT Pittsburgh - SYD Sydney Kingsford Smith

PITSYD

Pittsburgh

Mon 28/9

15:44-07:00

1 stop25h 16m

Sydney Kingsford Smith

Mon 5/10

10:30-20:36

2 stops25h 06m

$1,877

PittsburghSydney

PIT Pittsburgh - SYD Sydney Kingsford Smith

PITSYD

Pittsburgh

Mon 5/10

05:50-07:50

2 stops35h 00m

Sydney Kingsford Smith

Tue 13/10

10:15-00:46

2 stops29h 31m

$1,884

PittsburghSydney

PIT Pittsburgh - SYD Sydney Kingsford Smith

PITSYD

Pittsburgh

Mon 5/10

05:50-07:50

2 stops35h 00m

Sydney Kingsford Smith

Mon 12/10

10:15-00:46

2 stops29h 31m

$1,884

Flights are sorted by cheapest return flights first.

Deals found on 12/8

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 $1,576). Flying from Pennsylvania to Sydney in April is currently the most expensive (average of $2,254). 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 $2,100 and $2,245 in September.
The cheapest return price found within the last 5 days was $1,674 on Air Canada (15 Sept–30 Sept).

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 34 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 25h 31m. United Airlines provides one of the quickest options available for as low as $1,737. 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, February is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,576). Flying from Pennsylvania to Sydney in April is currently the most expensive (average of $2,254). 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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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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