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Cheap flights from Pennsylvania to Sydney from $816

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
3 Sep — 10 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 4 August 2026.

Wed 9/911:12
IAD
-
SYD
3 stops34h 38m
Multiple Airlines
Wed 16/913:15
SYD
-
IAD
3 stops35h 02m
Multiple Airlines
Deal found 1/8$1,398
Mon 14/911:12
IAD
-
SYD
3 stops34h 38m
Multiple Airlines
Mon 21/906:00
SYD
-
IAD
3 stops62h 20m
Multiple Airlines
Deal found 31/7$1,462
Sun 30/818:05
EWR
-
SYD
1 stop23h 15m
Air Canada
Sun 13/909:20
SYD
-
EWR
1 stop21h 13m
Air Canada
Deal found 30/7$1,486
Mon 14/906:00
PHL
-
SYD
3 stops39h 50m
Multiple Airlines
Mon 21/913:15
SYD
-
PHL
3 stops34h 15m
Multiple Airlines
Deal found 3/8$1,605
Sun 30/813:30
JFK
-
SYD
1 stop29h 55m
ANA
Sun 13/920:55
SYD
-
JFK
1 stop28h 05m
ANA
Deal found 1/8$1,643
Sun 9/802:00
JFK
-
SYD
1 stop41h 25m
ANA
Tue 1/920:55
SYD
-
JFK
1 stop40h 00m
ANA
Deal found 31/7$1,646
Sat 24/1001:50
JFK
-
SYD
1 stop27h 25m
ANA
Sun 1/1112:25
SYD
-
JFK
1 stop25h 25m
ANA
Deal found 30/7$1,647
Sat 24/1001:50
JFK
-
SYD
1 stop27h 25m
ANA
Wed 11/1112:25
SYD
-
JFK
1 stop25h 25m
ANA
Deal found 1/8$1,649
Thu 17/915:30
LGA
-
SYD
2 stops25h 50m
Air Canada
Tue 22/909:20
SYD
-
LGA
2 stops26h 10m
Air Canada
Deal found 2/8$1,649
Wed 19/817:00
JFK
-
SYD
1 stop24h 30m
Qantas Airways
Wed 26/812:00
SYD
-
JFK
1 stop23h 00m
Qantas Airways
Deal found 1/8$1,652
Sun 30/814:25
LGA
-
SYD
2 stops29h 00m
ANA
Sun 13/911:45
SYD
-
LGA
2 stops64h 24m
ANA
Deal found 3/8$1,652
Fri 6/1115:15
LGA
-
SYD
2 stops26h 20m
Air Canada
Sun 15/1111:20
SYD
-
LGA
2 stops26h 11m
Air Canada
Deal found 30/7$1,657

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 4 August 2026.

Round-trip from

$1,398

One-way from

$816

Popular in

December

Cheapest in

February

Average price

$2,208
9/9-16/9
  • 9/9-16/9
  • 6 total stops
  • 69h 40m total
  • Pennsylvania to Sydney
Search Deals
3/9
  • 3/9
  • 3 total stops
  • 51h 55m total
  • Pennsylvania to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($307 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($62 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 4 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 - SYD

LGASYD

New York LaGuardia

Sun 16/8

15:29-07:00

2 stops25h 31m

Sydney Kingsford Smith

Mon 16/11

11:50-18:45

2 stops22h 55m

$1,770

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Wed 28/10

19:29-20:50

2 stops34h 21m

Sydney Kingsford Smith

Sun 1/11

11:20-17:53

1 stop21h 33m

$1,897

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Mon 5/10

05:50-07:50

2 stops35h 00m

Sydney Kingsford Smith

Tue 13/10

10:15-21:31

2 stops26h 16m

$1,898

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Mon 26/10

11:44-07:30

2 stops28h 46m

Sydney Kingsford Smith

Wed 11/11

10:40-23:50

2 stops29h 10m

$1,898

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Tue 27/10

14:56-07:30

2 stops25h 34m

Sydney Kingsford Smith

Tue 10/11

10:40-23:50

2 stops29h 10m

$1,898

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Mon 5/10

12:10-07:50

2 stops28h 40m

Sydney Kingsford Smith

Mon 12/10

10:15-00:46

2 stops29h 31m

$1,900

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Sat 30/1

18:25-06:50

2 stops44h 25m

Sydney Kingsford Smith

Wed 21/4

09:15-22:46

2 stops27h 31m

$1,900

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Tue 26/1

06:00-06:50

2 stops32h 50m

Sydney Kingsford Smith

Mon 26/4

09:15-22:46

2 stops27h 31m

$1,900

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Sat 29/8

13:00-07:00

2 stops28h 00m

Sydney Kingsford Smith

Sat 5/9

10:20-16:09

1 stop19h 49m

$1,907

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 17/10

21:30-22:20

2 stops33h 50m

Sydney Kingsford Smith

Sat 24/10

15:50-15:40

1 stop38h 50m

$1,910

Flights are sorted by cheapest return flights first.

Deals found on 2/8

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 $1,603). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $2,476). 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 $2,119 and $2,208 in September.
The cheapest return price found within the last 5 days was $1,605 on Multiple Airlines (14 Sept–21 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 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 25h 31m. United Airlines provides one of the quickest options available for as low as $1,770. 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 $1,603). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $2,476). 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
Lithgow
Cronulla
Randwick
Terrigal
Leura
Bondi Beach
Coogee

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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.

Can Cheapflights notify me if prices for flights from Pennsylvania to Sydney become cheaper?

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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