Cheap flights from Pennsylvania to Sydney from $714

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
31 May — 7 Jun1
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 1 May 2026.

Wed 27/511:07
IAD
-
SYD
3 stops34h 43m
Multiple Airlines
Wed 3/613:20
SYD
-
IAD
3 stops32h 52m
Multiple Airlines
Deal found 29/4$1,469
Wed 27/507:00
DCA
-
SYD
3 stops38h 50m
Multiple Airlines
Wed 3/613:20
SYD
-
DCA
3 stops46h 38m
Multiple Airlines
Deal found 29/4$1,544
Sun 3/518:05
EWR
-
SYD
1 stop23h 15m
Air Canada
Tue 19/509:20
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 27/4$1,573
Sun 10/518:05
EWR
-
SYD
1 stop23h 15m
Air Canada
Sun 24/509:20
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 28/4$1,576
Sun 24/514:30
EWR
-
SYD
2 stops26h 50m
Air Canada
Tue 9/609:20
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 27/4$1,587
Thu 27/813:30
JFK
-
SYD
1 stop29h 55m
ANA
Thu 10/911:45
SYD
-
JFK
1 stop25h 10m
ANA
Deal found 27/4$1,595
Tue 17/1113:05
JFK
-
SYD
1 stop39h 10m
ANA
Thu 26/1112:25
SYD
-
JFK
1 stop38h 05m
ANA
Deal found 29/4$1,606
Mon 2/1100:50
JFK
-
SYD
1 stop27h 25m
ANA
Tue 10/1121:45
SYD
-
JFK
1 stop28h 45m
ANA
Deal found 28/4$1,609
Thu 14/516:30
JFK
-
SYD
1 stop24h 35m
Qantas Airways
Sun 17/508:55
SYD
-
JFK
1 stop21h 25m
Qantas Airways
Deal found 1/5$1,612
Mon 11/516:30
JFK
-
SYD
1 stop24h 35m
Qantas Airways
Mon 18/507:10
SYD
-
JFK
1 stop23h 10m
Qantas Airways
Deal found 30/4$1,613
Mon 19/1013:30
JFK
-
SYD
1 stop39h 40m
ANA
Mon 2/1121:45
SYD
-
JFK
1 stop40h 05m
ANA
Deal found 29/4$1,615
Sun 18/1013:30
JFK
-
SYD
1 stop39h 40m
ANA
Sun 8/1112:25
SYD
-
JFK
1 stop38h 05m
ANA
Deal found 26/4$1,616

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 1 May 2026.

Round-trip from

$1,469

One-way from

$714

Popular in

December

Cheapest in

February

Average price

$2,017
27/5-3/6
  • 27/5-3/6
  • 6 total stops
  • 67h 35m total
  • Pennsylvania to Sydney
1/9
  • 1/9
  • 2 total stops
  • 32h 20m total
  • Pennsylvania to Sydney
Highest demand for flights based on searches. 11% potential increase in price ($381 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($92 potential savings vs. average return price).
Average for round-trip flights in May 2026

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 1 May 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 26/7

12:29-07:00

2 stops28h 31m

Sydney Kingsford Smith

Tue 4/8

09:30-21:59

2 stops26h 29m

$1,702

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 26/7

11:00-06:50

1 stop29h 50m

Sydney Kingsford Smith

Tue 4/8

09:15-21:55

1 stop26h 40m

$1,723

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 17/5

17:30-06:50

1 stop23h 20m

Sydney Kingsford Smith

Sun 24/5

09:15-21:27

2 stops26h 12m

$1,727

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 9/8

15:38-07:00

2 stops25h 22m

Sydney Kingsford Smith

Wed 19/8

10:20-19:13

2 stops22h 53m

$1,727

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Wed 22/7

18:50-06:50

1 stop22h 00m

Sydney Kingsford Smith

Tue 4/8

09:15-23:47

2 stops28h 32m

$1,727

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 27/7

15:38-07:00

2 stops25h 22m

Sydney Kingsford Smith

Sun 9/8

09:30-19:04

2 stops23h 34m

$1,727

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 24/5

15:38-07:00

2 stops25h 22m

Sydney Kingsford Smith

Sun 31/5

09:30-19:22

2 stops23h 52m

$1,727

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 2/6

15:20-06:55

2 stops25h 35m

Sydney Kingsford Smith

Tue 9/6

10:20-19:22

2 stops23h 02m

$1,727

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 18/5

18:00-06:55

1 stop22h 55m

Sydney Kingsford Smith

Mon 25/5

10:20-19:10

2 stops22h 50m

$1,728

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 14/9

09:42-06:50

2 stops31h 08m

Sydney Kingsford Smith

Sun 27/9

09:15-23:00

2 stops27h 45m

$1,730

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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

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 86 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.

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 $347). Flying from Pennsylvania to Sydney in June is currently the most expensive (average of $1,690). 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?

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 23h 11m. United Airlines provides one of the quickest options available for as low as $1,734. The distance between Pennsylvania and Sydney is about 15458 km. This flight may include one or multiple stops.

  • What are the most popular routes from Pennsylvania to Sydney?

  • 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 $347). Flying from Pennsylvania to Sydney in June is currently the most expensive (average of $1,690). 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
Terrigal
Lithgow
Cronulla
Manly
Bondi Beach
Leura
Randwick
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.