Find flights
Deals
When to book
FAQs

Cheap flights from Pennsylvania to Sydney from $850

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
11 Aug — 18 Aug1
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 12 July 2026.

Sun 9/818:05
EWR
-
SYD
1 stop23h 15m
Air Canada
Sun 23/809:20
SYD
-
EWR
1 stop21h 13m
Air Canada
Deal found 9/7$1,507
Sun 30/818:05
EWR
-
SYD
1 stop23h 15m
Air Canada
Sun 13/909:20
SYD
-
EWR
1 stop21h 13m
Air Canada
Deal found 10/7$1,513
Sat 31/1022:45
JFK
-
SYD
2 stops50h 10m
Multiple Airlines
Sat 14/1111:15
SYD
-
JFK
1 stop21h 07m
Multiple Airlines
Deal found 9/7$1,648
Sun 30/813:30
JFK
-
SYD
1 stop29h 55m
ANA
Sun 13/911:45
SYD
-
JFK
1 stop25h 10m
ANA
Deal found 11/7$1,651
Mon 17/807:48
IAD
-
SYD
3 stops38h 02m
Multiple Airlines
Wed 26/813:15
SYD
-
IAD
3 stops41h 59m
Multiple Airlines
Deal found 10/7$1,654
Mon 3/817:25
JFK
-
SYD
1 stop23h 30m
Qantas Airways
Tue 18/817:50
SYD
-
JFK
1 stop26h 09m
Qantas Airways
Deal found 10/7$1,654
Mon 10/818:00
LGA
-
SYD
1 stop22h 55m
Qantas Airways
Mon 24/812:00
SYD
-
LGA
1 stop23h 29m
Qantas Airways
Deal found 10/7$1,654
Tue 11/809:50
IAD
-
SYD
3 stops36h 00m
Multiple Airlines
Tue 18/813:15
SYD
-
IAD
3 stops41h 59m
Multiple Airlines
Deal found 12/7$1,655
Tue 28/717:25
JFK
-
SYD
1 stop23h 30m
Qantas Airways
Tue 11/817:50
SYD
-
JFK
1 stop26h 09m
Qantas Airways
Deal found 8/7$1,655
Tue 28/718:00
LGA
-
SYD
1 stop22h 55m
Qantas Airways
Tue 4/812:00
SYD
-
LGA
1 stop21h 22m
Qantas Airways
Deal found 8/7$1,655
Wed 29/711:20
JFK
-
SYD
1 stop29h 10m
Multiple Airlines
Sun 16/813:15
SYD
-
JFK
2 stops24h 36m
Multiple Airlines
Deal found 8/7$1,657
Wed 29/711:20
JFK
-
SYD
1 stop29h 10m
Multiple Airlines
Sun 9/814:50
SYD
-
JFK
1 stop32h 00m
Multiple Airlines
Deal found 12/7$1,660

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 12 July 2026.

Round-trip from

$1,507

One-way from

$850

Popular in

December

Cheapest in

February

Average price

$2,307
Air Canada
  • Air Canada
  • 9/8-23/8
  • 2 total stops
  • 44h 28m total
  • Pennsylvania to Sydney
Search Deals
6/8
  • 6/8
  • 3 total stops
  • 50h 01m total
  • Pennsylvania to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($441 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($106 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 12 July 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
Fastest return journey

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 17/8

18:59-06:55

1 stop21h 56m

Sydney Kingsford Smith

Sun 30/8

12:00-19:29

1 stop21h 29m

$1,700

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Tue 11/8

14:11-06:55

2 stops26h 44m

Sydney Kingsford Smith

Tue 18/8

10:20-16:01

1 stop19h 41m

$1,706

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 9/8

16:40-06:50

1 stop24h 10m

Sydney Kingsford Smith

Sun 23/8

09:15-18:29

1 stop23h 14m

$1,707

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Tue 11/8

07:05-06:50

2 stops33h 45m

Sydney Kingsford Smith

Tue 18/8

09:15-18:49

2 stops23h 34m

$1,713

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 27/7

15:25-06:55

2 stops25h 30m

Sydney Kingsford Smith

Mon 10/8

10:20-20:22

2 stops24h 02m

$1,713

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 16/8

15:40-06:50

1 stop25h 10m

Sydney Kingsford Smith

Sun 23/8

09:15-21:25

2 stops26h 10m

$1,713

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 16/8

11:00-06:50

2 stops29h 50m

Sydney Kingsford Smith

Sun 30/8

09:15-23:40

1 stop28h 25m

$1,713

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 4/8

16:55-06:50

2 stops23h 55m

Sydney Kingsford Smith

Tue 11/8

09:15-18:59

2 stops23h 44m

$1,713

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 2/8

20:10-07:00

1 stop44h 50m

Sydney Kingsford Smith

Wed 12/8

10:20-19:04

1 stop22h 44m

$1,723

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 8/11

16:05-06:25

1 stop22h 20m

Sydney Kingsford Smith

Wed 18/11

10:20-20:03

2 stops25h 43m

$1,834

Flights are sorted by cheapest return flights first.

Deals found on 12/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, August is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $360). Flying from Pennsylvania to Sydney in July is currently the most expensive (average of $1,822). 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?

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 10m. United Airlines provides one of the quickest options available for as low as $1,707. The distance between Pennsylvania and Sydney is about 16002 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, August is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $360). Flying from Pennsylvania to Sydney in July is currently the most expensive (average of $1,822). 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
Terrigal
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.