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$481+ Cheap flights from Pennsylvania to Sydney (SYD)

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Cheap flight deals from Pennsylvania to Sydney

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 April 1, 2026.

This Trip.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:00 am
PHL
-
SYD
3 stops37h 50m
Multiple Airlines
Tue 5/121:15 pm
SYD
-
PHL
3 stops37h 10m
Multiple Airlines
Deal found 3/28$927
This Expedia deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:30 pm
EWR
-
SYD
2 stops26h 50m
Air Canada
Tue 5/199:20 am
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 3/28$941
This Trip.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:55 am
EWR
-
SYD
3 stops39h 55m
Multiple Airlines
Tue 5/191:15 pm
SYD
-
EWR
3 stops37h 15m
Multiple Airlines
Deal found 3/29$943
This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:55 am
EWR
-
SYD
3 stops39h 55m
Multiple Airlines
Tue 5/121:15 pm
SYD
-
EWR
3 stops37h 15m
Multiple Airlines
Deal found 3/30$949
This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:41 pm
PHL
-
SYD
3 stops54h 09m
Multiple Airlines
Tue 4/216:00 am
SYD
-
PHL
3 stops44h 15m
Multiple Airlines
Deal found 3/30$960
This lol.travel deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:25 pm
EWR
-
SYD
2 stops26h 55m
Air Canada
Tue 5/59:20 am
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 3/30$964
This lol.travel deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/192:25 pm
EWR
-
SYD
2 stops26h 55m
Air Canada
Tue 5/59:20 am
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 3/29$965
This Trip.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:59 am
EWR
-
SYD
3 stops40h 06m
Multiple Airlines
Mon 5/181:15 pm
SYD
-
EWR
3 stops37h 15m
Multiple Airlines
Deal found 3/28$969
This Trip.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:59 am
EWR
-
SYD
3 stops50h 11m
Multiple Airlines
Tue 4/216:00 am
SYD
-
EWR
3 stops44h 59m
Multiple Airlines
Deal found 3/27$971
This Trip.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:01 am
PHL
-
SYD
3 stops40h 49m
Multiple Airlines
Sun 5/101:15 pm
SYD
-
PHL
3 stops31h 37m
Multiple Airlines
Deal found 3/28$985
This Trip.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:00 am
DCA
-
SYD
3 stops38h 50m
Multiple Airlines
Thu 5/286:00 am
SYD
-
DCA
3 stops53h 58m
Multiple Airlines
Deal found 3/29$990
This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:55 am
PHL
-
SYD
3 stops37h 55m
Multiple Airlines
Thu 5/216:00 am
SYD
-
PHL
3 stops61h 37m
Multiple Airlines
Deal found 3/30$1,023

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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$885
(Justfly.com)

One-way from

$481
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$959
Provider with most accurate pricing for Philadelphia-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Sydney Kingsford Smith flights.
Search Deals
From Pennsylvania to Sydney Kingsford Smith
Search Deals
One-way flight from Pennsylvania to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($164 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated April 1, 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 round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 5/14

4:59 pm-7:05 am

1 stop24h 06m

Sydney Kingsford Smith

Thu 5/21

12:00 pm-9:30 pm

1 stop23h 30m

$1,174

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 5/11

4:59 pm-7:05 am

1 stop24h 06m

Sydney Kingsford Smith

Mon 5/18

12:00 pm-7:57 pm

1 stop21h 57m

$1,182
Quickest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 6/2

5:16 pm-7:05 am

1 stop23h 49m

Sydney Kingsford Smith

Sun 6/7

12:00 pm-7:13 pm

1 stop21h 13m

$1,233

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 5/30

8:29 am-7:05 am

1 stop32h 36m

Sydney Kingsford Smith

Wed 6/3

12:00 pm-9:30 pm

1 stop23h 30m

$1,233

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 4/19

3:00 pm-6:50 am

2 stops25h 50m

Sydney Kingsford Smith

Tue 5/5

9:15 am-8:14 pm

2 stops24h 59m

$1,311

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 4/27

5:20 pm-6:55 am

1 stop23h 35m

Sydney Kingsford Smith

Mon 5/4

9:10 am-7:00 pm

1 stop23h 50m

$1,323

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 5/17

4:29 pm-6:50 am

1 stop24h 21m

Sydney Kingsford Smith

Sun 5/24

9:15 am-9:28 pm

2 stops26h 13m

$1,328

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 4/29

3:26 pm-6:50 am

2 stops25h 24m

Sydney Kingsford Smith

Wed 5/6

9:15 am-10:00 pm

2 stops26h 45m

$1,328

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 5/11

1:10 pm-7:00 am

2 stops27h 50m

Sydney Kingsford Smith

Mon 5/25

9:30 am-8:22 pm

2 stops24h 52m

$1,329

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 5/13

2:50 pm-6:55 am

2 stops26h 05m

Sydney Kingsford Smith

Wed 5/20

10:20 am-6:43 pm

2 stops22h 23m

$1,329

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 round-trip 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 $276). Flying from Pennsylvania to Sydney in October is currently the most expensive (average of $1,117). 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 to fly round-trip 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?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Pennsylvania to Sydney. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

  • How long is the flight from Pennsylvania to Sydney?

    A quick flight from Pennsylvania to Sydney can take about 24h 06m. Qantas Airways provides one of the quickest options available for as low as $1,174. Pennsylvania and Sydney are separated by a distance of 9758 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Pennsylvania to Sydney one-way?

    For one-way options, check prices for Qantas Airways. According to our data, you can fly for as low as $609. Users have also found prices from $668 and $764 on Fiji Airways and American Airlines, respectively.

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

    When deciding which route to take from Pennsylvania to Sydney consider New York John F Kennedy Intl - Sydney Kingsford Smith, Newark - Sydney Kingsford Smith or New York LaGuardia - Sydney Kingsford Smith as they are the most popular.

  • 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 vacation 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 $276). Flying from Pennsylvania to Sydney in October is currently the most expensive (average of $1,117). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Pennsylvania to Sydney

Discover the top 6 airlines that operate flights from Pennsylvania to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$843Average$1,461FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,044Average$1,537FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,052Average$1,398FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,127Average$1,504FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$1,272Average$1,517FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,418Average$1,548FlexibilityNo cancel feeOn-time78%

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