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$415+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find 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 October 28, 2025.

This Orbitz deal was found by Cheapflights users on 10/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:25 pmEWR - SYD
1 stop23h 10mAir Canada
Tue 11/2511:20 amSYD - EWR
2 stops36h 22mAir Canada
Deal found 10/28$769
This Orbitz deal was found by Cheapflights users on 10/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:25 pmEWR - SYD
2 stops26h 55mMultiple Airlines
Tue 11/411:20 amSYD - EWR
1 stop21h 33mMultiple Airlines
Deal found 10/27$800
This Air Canada deal was found by Cheapflights users on 10/25. 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.
Fri 11/216:25 pmEWR - SYD
1 stop23h 10mAir Canada
Tue 11/2511:20 amSYD - EWR
2 stops37h 27mAir Canada
Deal found 10/25$810
This FlightHub deal was found by Cheapflights users on 10/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:30 amEWR - SYD
2 stops31h 05mAir Canada
Fri 12/1211:20 amSYD - EWR
2 stops42h 08mAir Canada
Deal found 10/26$820
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:20 pmPHL - SYD
1 stop23h 05mQantas Airways
Mon 11/311:20 amSYD - PHL
1 stop21h 58mQantas Airways
Deal found 10/26$834
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:30 pmPHL - SYD
1 stop23h 30mQantas Airways
Fri 11/75:45 pmSYD - PHL
1 stop29h 39mQantas Airways
Deal found 10/26$839
This Qantas Airways deal was found by Cheapflights users on 10/27. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:45 pmPHL - SYD
1 stop25h 15mQantas Airways
Mon 12/1511:20 amSYD - PHL
1 stop21h 58mQantas Airways
Deal found 10/27$844
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/24:08 pmEWR - SYD
1 stop22h 52mUnited Airlines
Sun 11/1612:10 pmSYD - EWR
1 stop20h 50mUnited Airlines
Deal found 10/27$845
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:15 pmEWR - SYD
1 stop22h 50mUnited Airlines
Sat 11/1512:10 pmSYD - EWR
1 stop25h 20mUnited Airlines
Deal found 10/26$847
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/113:36 pmPHL - SYD
2 stops25h 24mAmerican Airlines
Tue 11/1811:20 amSYD - PHL
2 stops24h 01mAmerican Airlines
Deal found 10/26$848
This Travelocity deal was found by Cheapflights users on 10/26. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:25 pmEWR - SYD
1 stop23h 10mMultiple Airlines
Wed 12/107:45 amSYD - EWR
2 stops25h 08mMultiple Airlines
Deal found 10/26$848
This Priceline deal was found by Cheapflights users on 10/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:20 pmPHL - SYD
1 stop24h 40mQantas Airways
Sat 11/111:20 amSYD - PHL
1 stop23h 59mQantas Airways
Deal found 10/26$849

Cheap flight deals from Pennsylvania to Sydney

Keep the following information in mind while searching for Pennsylvania to Sydney flight deals. Data was last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$769
(Orbitz)

One-way from

$415
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$1,450
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. 16% potential increase in price ($301 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 28, 2025.
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

Wed 11/26

3:45 pm-9:00 am

1 stop25h 15m

Sydney Kingsford Smith

Mon 12/15

11:20 am-5:18 pm

1 stop21h 58m

$844

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 11/11

3:36 pm-9:00 am

2 stops25h 24m

Sydney Kingsford Smith

Tue 11/18

11:20 am-7:21 pm

2 stops24h 01m

$848

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 11/26

4:34 pm-7:00 am

1 stop22h 26m

Sydney Kingsford Smith

Tue 12/9

2:00 pm-9:36 pm

1 stop23h 36m

$851

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 3/31

6:16 pm-7:55 am

1 stop22h 39m

Sydney Kingsford Smith

Wed 4/8

9:30 am-10:41 pm

2 stops27h 11m

$851

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 3/31

10:00 am-7:55 am

2 stops30h 55m

Sydney Kingsford Smith

Sun 4/12

9:30 am-12:32 am

2 stops29h 02m

$851

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 2/23

12:44 pm-7:00 am

1 stop26h 16m

Sydney Kingsford Smith

Tue 3/3

11:20 am-11:30 pm

2 stops28h 10m

$851

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 4/1

10:00 am-7:55 am

2 stops30h 55m

Sydney Kingsford Smith

Sun 4/12

9:30 am-12:32 am

2 stops29h 02m

$851

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 3/29

8:30 am-7:55 am

1 stop32h 25m

Sydney Kingsford Smith

Wed 4/8

9:30 am-12:32 am

2 stops29h 02m

$851

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 11/11

9:45 am-7:00 am

2 stops29h 15m

Sydney Kingsford Smith

Tue 11/18

12:10 pm-5:12 pm

1 stop21h 02m

$851

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 11/17

9:45 am-7:00 am

2 stops29h 15m

Sydney Kingsford Smith

Mon 11/24

11:50 am-10:46 pm

1 stop26h 56m

$851

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 $882). 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.

What is the cheapest time of day to fly from PA to SYD?

Find hourly flight availability from Pennsylvania to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

It’s optimal to fly from Pennsylvania to Sydney in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Pennsylvania to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Pennsylvania to Sydney flight should consider departing on Sunday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 22h 26m. Qantas Airways provides one of the quickest options available for as low as $851. 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 American Airlines. According to our data, you can fly for as low as $421. Users have also found prices from $421 and $425 on Qantas Airways and United 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 $882). 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
Coogee

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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$879FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$860Average$1,386FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$941Average$1,259FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,127Average$1,717FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,220Average$1,548FlexibilityNo cancel feeOn-time78%
Fiji AirwaysCheapest$1,288Average$1,531FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$1,292Average$1,796FlexibilityNo cancel feeOn-time74%

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