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$453+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This lol.travel deal was found by Cheapflights users on 1/19. 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 2/224:00 pm
EWR
-
SYD
2 stops25h 35m
Air Canada
Tue 3/1010:20 am
SYD
-
EWR
1 stop21h 33m
Air Canada
Deal found 1/19$934
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sun 2/225:37 pm
EWR
-
SYD
1 stop45h 48m
Multiple Airlines
Tue 3/102:00 pm
SYD
-
EWR
2 stops41h 35m
Multiple Airlines
Deal found 1/21$991
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:00 pm
EWR
-
SYD
2 stops25h 35m
Air Canada
Tue 3/1710:20 am
SYD
-
EWR
1 stop21h 33m
Air Canada
Deal found 1/19$992
This Air Canada deal was found by Cheapflights users on 1/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:25 pm
EWR
-
SYD
1 stop23h 10m
Air Canada
Wed 3/1110:20 am
SYD
-
EWR
1 stop21h 33m
Air Canada
Deal found 1/21$993
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/172:25 pm
EWR
-
SYD
2 stops26h 55m
Air Canada
Sun 5/249:20 am
SYD
-
EWR
2 stops24h 32m
Air Canada
Deal found 1/19$996
This Orbitz deal was found by Cheapflights users on 1/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/28:30 pm
EWR
-
SYD
2 stops45h 05m
Air Canada
Mon 2/1611:20 am
SYD
-
EWR
1 stop21h 33m
Air Canada
Deal found 1/19$1,002
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:25 pm
EWR
-
SYD
1 stop23h 10m
Air Canada
Wed 3/1110:20 am
SYD
-
EWR
1 stop21h 33m
Air Canada
Deal found 1/20$1,003
This CrystalTravel deal was found by Cheapflights users on 1/19. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:00 am
JFK
-
SYD
1 stop27h 15m
ANA
Wed 6/38:55 pm
SYD
-
JFK
1 stop28h 05m
ANA
Deal found 1/19$1,005
This Trip.com deal was found by Cheapflights users on 1/19. 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 2/106:30 am
JFK
-
SYD
2 stops38h 05m
Multiple Airlines
Thu 4/306:00 am
SYD
-
JFK
2 stops37h 09m
Multiple Airlines
Deal found 1/19$1,006
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/189:00 am
JFK
-
SYD
2 stops32h 20m
Air Canada
Wed 5/279:20 am
SYD
-
JFK
2 stops26h 27m
Air Canada
Deal found 1/19$1,016
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:40 pm
LGA
-
SYD
2 stops28h 55m
Air Canada
Wed 3/411:20 am
SYD
-
LGA
2 stops26h 13m
Air Canada
Deal found 1/20$1,016
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:45 am
JFK
-
SYD
2 stops31h 35m
Air Canada
Tue 4/149:20 am
SYD
-
JFK
2 stops26h 12m
Air Canada
Deal found 1/19$1,021

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$991
(Kiwi.com)

One-way from

$453
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$1,680
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 ($177 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 21, 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

Tue 2/3

2:30 pm-9:00 am

1 stop26h 30m

Sydney Kingsford Smith

Sun 2/15

11:20 am-7:48 pm

1 stop24h 28m

$1,045

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 3/2

2:57 pm-6:55 am

1 stop23h 58m

Sydney Kingsford Smith

Mon 3/16

11:20 am-7:42 pm

1 stop23h 22m

$1,046

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/23

2:16 pm-9:00 am

1 stop26h 44m

Sydney Kingsford Smith

Tue 3/3

5:45 pm-11:50 pm

1 stop22h 05m

$1,046

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/16

2:16 pm-9:00 am

1 stop26h 44m

Sydney Kingsford Smith

Mon 2/23

2:05 pm-9:44 pm

1 stop23h 39m

$1,046

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 3/8

7:00 pm-9:00 am

1 stop23h 00m

Sydney Kingsford Smith

Mon 3/16

11:20 am-8:10 pm

2 stops23h 50m

$1,052

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/23

3:37 pm-9:00 am

2 stops25h 23m

Sydney Kingsford Smith

Tue 3/3

11:20 am-7:40 pm

2 stops24h 20m

$1,052

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/16

6:10 am-8:30 am

2 stops34h 20m

Sydney Kingsford Smith

Tue 2/24

2:15 pm-12:24 am

2 stops26h 09m

$1,069

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 3/1

6:10 am-6:50 am

2 stops32h 40m

Sydney Kingsford Smith

Tue 3/24

9:40 am-6:29 pm

2 stops23h 49m

$1,069

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 3/8

12:59 pm-7:25 am

2 stops27h 26m

Sydney Kingsford Smith

Mon 3/16

9:40 am-6:29 pm

2 stops23h 49m

$1,070

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 3/30

2:25 pm-8:20 am

2 stops26h 55m

Sydney Kingsford Smith

Wed 4/15

9:20 am-8:27 am

2 stops37h 07m

$1,109

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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 $881). 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 23h. Qantas Airways provides one of the quickest options available for as low as $1,052. Pennsylvania and Sydney are separated by a distance of 9862 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 $623 and $891 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 $881). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$881FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$859Average$1,389FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$941Average$1,171FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,044Average$1,687FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,220Average$1,548FlexibilityNo cancel feeOn-time78%
American AirlinesCheapest$1,282Average$1,554FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$1,288Average$1,532FlexibilityNo cancel feeOn-time74%

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