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$466+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Apr 2 — Apr 91
Thu 4/2
Thu 4/9
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 March 3, 2026.

This lol.travel deal was found by Cheapflights users on 2/28. 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 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
Mon 5/49:20 am
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 2/28$815
This lol.travel deal was found by Cheapflights users on 3/1. 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 4/196:00 pm
EWR
-
SYD
1 stop23h 20m
Air Canada
Tue 5/59:20 am
SYD
-
EWR
1 stop25h 42m
Air Canada
Deal found 3/1$850
This Air Canada deal was found by Cheapflights users on 2/27. 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 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
1 stop21h 20m
Air Canada
Deal found 2/27$863
This Air Canada deal was found by Cheapflights users on 3/3. 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 5/252:25 pm
EWR
-
SYD
2 stops26h 55m
Air Canada
Tue 6/29:20 am
SYD
-
EWR
2 stops24h 32m
Air Canada
Deal found 3/3$866
This Delta deal was found by Cheapflights users on 2/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:05 pm
PHL
-
SYD
2 stops24h 45m
Delta
Wed 10/1410:15 am
SYD
-
PHL
2 stops27h 41m
Delta
Deal found 2/26$1,005
This Delta deal was found by Cheapflights users on 2/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:20 pm
PHL
-
SYD
2 stops27h 30m
Delta
Mon 5/49:15 am
SYD
-
PHL
2 stops27h 35m
Delta
Deal found 2/27$1,006
This Delta deal was found by Cheapflights users on 2/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:12 pm
PHL
-
SYD
2 stops26h 18m
Delta
Mon 11/910:40 am
SYD
-
PHL
2 stops23h 39m
Delta
Deal found 2/26$1,015
This Delta deal was found by Cheapflights users on 2/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:30 pm
PHL
-
SYD
2 stops46h 20m
Delta
Wed 10/1410:15 am
SYD
-
PHL
2 stops28h 25m
Delta
Deal found 2/26$1,021
This Delta deal was found by Cheapflights users on 2/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:15 pm
PHL
-
SYD
2 stops47h 15m
Delta
Wed 11/1110:40 am
SYD
-
PHL
2 stops23h 39m
Delta
Deal found 2/26$1,031
This Air Canada deal was found by Cheapflights users on 2/26. 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 5/209:00 am
JFK
-
SYD
3 stops32h 20m
Air Canada
Fri 6/59:20 am
SYD
-
JFK
2 stops26h 27m
Air Canada
Deal found 2/26$1,041
This Air Canada deal was found by Cheapflights users on 2/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:00 am
JFK
-
SYD
3 stops32h 20m
Air Canada
Fri 6/59:20 am
SYD
-
JFK
2 stops26h 27m
Air Canada
Deal found 2/27$1,042
This Air Canada deal was found by Cheapflights users on 2/26. 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 4/1210:30 am
LGA
-
SYD
2 stops30h 50m
Air Canada
Sat 4/189:20 am
SYD
-
LGA
2 stops23h 41m
Air Canada
Deal found 2/26$1,042

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 March 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$815
(lol.travel)

One-way from

$466
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$1,513
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. 12% potential increase in price ($200 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 3, 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

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 3/17

11:42 am-6:05 am

2 stops27h 23m

Sydney Kingsford Smith

Tue 3/24

9:40 am-11:00 pm

2 stops28h 20m

$1,055

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 4/19

2:55 pm-6:50 am

2 stops25h 55m

Sydney Kingsford Smith

Tue 5/5

9:15 am-7:26 pm

2 stops24h 11m

$1,088

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 4/19

1:10 pm-7:00 am

2 stops27h 50m

Sydney Kingsford Smith

Tue 5/5

10:20 am-6:43 pm

2 stops22h 23m

$1,089

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 7/1

4:00 pm-6:55 am

2 stops24h 55m

Sydney Kingsford Smith

Mon 7/20

10:20 am-5:30 pm

1 stop21h 10m

$1,095

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 3/24

9:41 am-6:05 am

2 stops29h 24m

Sydney Kingsford Smith

Fri 4/10

9:15 am-11:59 pm

2 stops28h 44m

$1,095

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 5/4

4:00 pm-6:55 am

1 stop24h 55m

Sydney Kingsford Smith

Wed 6/10

9:30 am-6:59 pm

1 stop23h 29m

$1,096

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 5/25

11:45 am-6:50 am

1 stop29h 05m

Sydney Kingsford Smith

Tue 6/2

9:15 am-10:33 pm

1 stop27h 18m

$1,096

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 4/19

4:15 pm-6:50 am

1 stop24h 35m

Sydney Kingsford Smith

Tue 5/5

9:15 am-9:15 pm

2 stops26h 00m

$1,101

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 4/15

6:30 pm-7:00 am

1 stop22h 30m

Sydney Kingsford Smith

Mon 4/20

9:30 am-4:44 pm

1 stop21h 14m

$1,114

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Fri 3/13

8:46 am-6:20 am

1 stop30h 34m

Sydney Kingsford Smith

Sun 3/22

2:00 pm-12:16 am

2 stops25h 16m

$1,138

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/28

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 $1,079). 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 27h 23m. Delta provides one of the quickest options available for as low as $1,055. 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 $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 $1,079). 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

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 March 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$843Average$1,368FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$941Average$1,230FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,044Average$1,625FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,127Average$1,580FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$1,288Average$1,531FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,418Average$1,548FlexibilityNo cancel feeOn-time78%

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