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Cheap flights from Pennsylvania to Sydney from $729

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
7 May — 14 May1
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 7 April 2026.

Tue 5/505:55
EWR
-
SYD
3 stops39h 55m
Multiple Airlines
Mon 18/513:15
SYD
-
EWR
3 stops37h 17m
Multiple Airlines
Deal found 6/4$1,463
Wed 6/513:30
EWR
-
SYD
3 stops32h 20m
Multiple Airlines
Tue 19/506:00
SYD
-
EWR
3 stops44h 32m
Multiple Airlines
Deal found 2/4$1,469
Mon 20/405:59
EWR
-
SYD
3 stops40h 06m
Multiple Airlines
Mon 27/413:15
SYD
-
EWR
3 stops37h 44m
Multiple Airlines
Deal found 3/4$1,470
Sat 2/508:12
IAD
-
SYD
3 stops37h 38m
Multiple Airlines
Sat 9/506:00
SYD
-
IAD
3 stops43h 41m
Multiple Airlines
Deal found 2/4$1,472
Tue 12/507:40
IAD
-
SYD
3 stops38h 10m
Multiple Airlines
Sat 23/513:15
SYD
-
IAD
3 stops32h 57m
Multiple Airlines
Deal found 2/4$1,490
Sat 2/505:59
EWR
-
SYD
3 stops39h 51m
Multiple Airlines
Sat 9/513:15
SYD
-
EWR
3 stops37h 17m
Multiple Airlines
Deal found 3/4$1,492
Tue 5/513:30
EWR
-
SYD
3 stops32h 20m
Multiple Airlines
Tue 12/513:15
SYD
-
EWR
3 stops37h 17m
Multiple Airlines
Deal found 5/4$1,499
Sat 23/518:05
EWR
-
SYD
1 stop23h 15m
Air Canada
Fri 5/609:20
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 3/4$1,529
Sat 9/506:49
IAD
-
SYD
3 stops39h 01m
Multiple Airlines
Sat 16/513:15
SYD
-
IAD
3 stops36h 26m
Multiple Airlines
Deal found 3/4$1,531
Fri 22/516:00
LGA
-
SYD
2 stops25h 20m
Air Canada
Thu 4/609:20
SYD
-
LGA
2 stops36h 31m
Air Canada
Deal found 2/4$1,534
Wed 6/507:40
IAD
-
SYD
3 stops38h 10m
Multiple Airlines
Wed 13/513:15
SYD
-
IAD
3 stops36h 26m
Multiple Airlines
Deal found 6/4$1,538
Mon 20/406:02
LGA
-
SYD
3 stops40h 03m
Multiple Airlines
Mon 27/413:15
SYD
-
LGA
3 stops40h 49m
Multiple Airlines
Deal found 3/4$1,538

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 7 April 2026.

Round-trip from

$1,469

One-way from

$729

Popular in

December

Cheapest in

February

Average price

$2,002
6/5-19/5
  • 6/5-19/5
  • 6 total stops
  • 76h 52m total
  • Pennsylvania to Sydney
Search Deals
11/8
  • 11/8
  • 2 total stops
  • 32h 20m total
  • Pennsylvania to Sydney
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($413 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($97 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 7 April 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

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 19/6

17:16-07:05

1 stop23h 49m

Sydney Kingsford Smith

Wed 12/8

12:00-21:30

1 stop23h 30m

$1,706

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 2/9

17:30-07:05

1 stop23h 35m

Sydney Kingsford Smith

Sat 19/9

12:00-21:30

1 stop23h 30m

$1,707

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 18/5

16:59-07:05

1 stop24h 06m

Sydney Kingsford Smith

Sat 30/5

12:00-21:30

1 stop23h 30m

$1,707

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 25/4

08:30-07:05

1 stop32h 35m

Sydney Kingsford Smith

Wed 29/4

12:00-22:56

1 stop24h 56m

$1,782

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Fri 11/9

06:00-07:20

2 stops35h 20m

Sydney Kingsford Smith

Fri 18/9

09:20-14:53

2 stops43h 33m

$1,800

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 26/7

18:30-07:00

1 stop22h 30m

Sydney Kingsford Smith

Wed 2/9

09:30-16:37

1 stop21h 07m

$1,913

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 4/5

15:50-07:00

1 stop25h 10m

Sydney Kingsford Smith

Wed 10/6

10:20-20:10

1 stop23h 50m

$1,913

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 25/5

08:00-06:50

1 stop32h 50m

Sydney Kingsford Smith

Sun 7/6

09:15-19:55

1 stop24h 40m

$1,914

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 4/5

15:10-06:50

1 stop25h 40m

Sydney Kingsford Smith

Wed 10/6

09:15-23:52

2 stops28h 37m

$1,920

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 24/5

16:29-06:50

2 stops24h 21m

Sydney Kingsford Smith

Sun 7/6

09:15-17:20

1 stop22h 05m

$1,920

Flights are sorted by cheapest return flights first.

Deals found on 3/4

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, January is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $399). Flying from Pennsylvania to Sydney in June is currently the most expensive (average of $1,874). 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 22h 30m. Qantas Airways provides one of the quickest options available for as low as $1,913. 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, January is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $399). Flying from Pennsylvania to Sydney in June is currently the most expensive (average of $1,874). 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
Terrigal
Katoomba
Lithgow
Cronulla
Manly
Bondi Beach
Coogee
Leura
Randwick

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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.

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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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