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$471+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
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 February 11, 2026.

This oojo deal was found by Cheapflights users on 2/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:19 pm
PIT
-
SYD
1 stop22h 41m
Qantas Airways
Tue 2/177:15 pm
SYD
-
PIT
2 stops38h 01m
Qantas Airways
Deal found 2/11$879
This oojo deal was found by Cheapflights users on 2/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:19 pm
PIT
-
SYD
1 stop22h 41m
Qantas Airways
Sat 2/145:50 pm
SYD
-
PIT
2 stops39h 26m
Qantas Airways
Deal found 2/8$902
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:10 am
EWR
-
SYD
1 stop31h 15m
Multiple Airlines
Mon 3/162:00 pm
SYD
-
EWR
2 stops41h 26m
Multiple Airlines
Deal found 2/9$910
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:01 am
EWR
-
SYD
1 stop42h 04m
Multiple Airlines
Tue 3/102:00 pm
SYD
-
EWR
2 stops41h 35m
Multiple Airlines
Deal found 2/9$925
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:10 am
EWR
-
SYD
1 stop31h 15m
Multiple Airlines
Mon 3/232:00 pm
SYD
-
EWR
2 stops41h 26m
Multiple Airlines
Deal found 2/9$939
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:10 am
EWR
-
SYD
1 stop30h 15m
Multiple Airlines
Sun 3/12:00 pm
SYD
-
EWR
2 stops42h 35m
Multiple Airlines
Deal found 2/9$947
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:14 pm
EWR
-
SYD
1 stop46h 16m
Multiple Airlines
Mon 5/181:15 pm
SYD
-
EWR
2 stops41h 05m
Multiple Airlines
Deal found 2/9$948
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/132:16 pm
PHL
-
SYD
1 stop26h 44m
Qantas Airways
Fri 2/207:05 am
SYD
-
PHL
2 stops28h 43m
Qantas Airways
Deal found 2/9$953
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:16 pm
PHL
-
SYD
1 stop26h 44m
Qantas Airways
Wed 3/115:50 pm
SYD
-
PHL
2 stops35h 47m
Qantas Airways
Deal found 2/10$955
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:59 am
EWR
-
SYD
1 stop34h 31m
Multiple Airlines
Wed 5/201:20 pm
SYD
-
EWR
2 stops30h 25m
Multiple Airlines
Deal found 2/9$956
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:14 pm
EWR
-
SYD
1 stop46h 16m
Multiple Airlines
Wed 6/31:20 pm
SYD
-
EWR
2 stops30h 25m
Multiple Airlines
Deal found 2/9$957
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:10 am
EWR
-
SYD
1 stop30h 15m
Multiple Airlines
Mon 3/22:00 pm
SYD
-
EWR
2 stops42h 35m
Multiple Airlines
Deal found 2/9$958

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$910
(Kiwi.com)

One-way from

$457
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$1,054
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. 11% potential increase in price ($193 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 11, 2026.
Use the filters below to find and compare flights from Pennsylvania to Sydney that are best for you.

Fly from

Pennsylvania

Fly to

Sydney

Route

Depart

Return

Price

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 3/2

2:16 pm-8:50 pm

2 stops38h 34m

Sydney Kingsford Smith

Mon 3/16

11:20 am-7:42 pm

1 stop23h 22m

$974

NewarkSydney

EWR - SYD

EWRSYD

Newark

Thu 5/21

2:25 pm-7:20 am

2 stops26h 55m

Sydney Kingsford Smith

Sun 5/31

9:20 am-4:40 pm

1 stop21h 20m

$1,000

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 3/1

2:16 pm-7:35 am

2 stops49h 19m

Sydney Kingsford Smith

Tue 3/24

11:20 am-7:42 pm

1 stop23h 22m

$1,011

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/23

9:24 am-9:00 am

1 stop31h 36m

Sydney Kingsford Smith

Tue 3/3

11:20 am-7:48 pm

2 stops24h 28m

$1,056

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 3/10

5:15 pm-9:00 am

2 stops24h 45m

Sydney Kingsford Smith

Tue 3/17

11:20 am-8:00 pm

2 stops23h 40m

$1,056

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 3/2

3:55 pm-9:00 am

2 stops25h 05m

Sydney Kingsford Smith

Mon 3/16

11:20 am-7:48 pm

2 stops23h 28m

$1,057

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Thu 5/21

4:00 pm-7:20 am

1 stop25h 20m

Sydney Kingsford Smith

Sun 5/31

9:20 am-7:00 pm

2 stops23h 40m

$1,061

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Tue 2/24

5:00 pm-8:30 am

1 stop23h 30m

Sydney Kingsford Smith

Sun 3/8

10:40 am-10:52 pm

1 stop28h 12m

$1,063

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 2/25

3:36 pm-9:05 am

2 stops25h 29m

Sydney Kingsford Smith

Tue 3/3

11:50 am-4:27 pm

1 stop20h 37m

$1,063

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Wed 2/25

5:00 pm-8:30 am

1 stop23h 30m

Sydney Kingsford Smith

Tue 3/3

10:40 am-6:42 pm

1 stop24h 02m

$1,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 60 results
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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 $1,057). 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.

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 26h 55m. Qantas Airways provides one of the quickest options available for as low as $1,000. Pennsylvania and Sydney are separated by a distance of 9923 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 $1,057). 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
Manly

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Alternative routes for Pennsylvania to Sydney

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Top 7 airlines flying from Pennsylvania to Sydney

Discover the top 7 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$879FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$860Average$1,344FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$941Average$1,220FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,044Average$1,655FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,198Average$1,546FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,220Average$1,548FlexibilityNo cancel feeOn-time78%
Fiji AirwaysCheapest$1,288Average$1,531FlexibilityNo cancel feeOn-time74%

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