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$435+ 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
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
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 December 3, 2025.

This Flysmarter deal was found by Cheapflights users on 12/3. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:25 pmEWR - SYD
1 stop23h 10mAir Canada
Thu 12/2511:20 amSYD - EWR
1 stop21h 33mAir Canada
Deal found 12/3$945
This Expedia deal was found by Cheapflights users on 12/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:25 pmEWR - SYD
1 stop23h 10mAir Canada
Thu 12/1111:20 amSYD - EWR
1 stop21h 33mAir Canada
Deal found 12/3$951
This Air Canada deal was found by Cheapflights users on 12/2. 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 12/316:25 pmEWR - SYD
1 stop23h 10mAir Canada
Thu 1/2911:20 amSYD - EWR
1 stop21h 33mAir Canada
Deal found 12/2$975
This CrystalTravel deal was found by Cheapflights users on 12/2. 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.
Mon 12/85:15 pmJFK - SYD
1 stop23h 00mQantas Airways
Mon 1/199:45 amSYD - JFK
1 stop20h 40mQantas Airways
Deal found 12/2$990
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:15 pmJFK - SYD
1 stop23h 00mQantas Airways
Mon 12/159:45 amSYD - JFK
1 stop20h 40mQantas Airways
Deal found 12/3$999
This Delta deal was found by Cheapflights users on 12/2. 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 12/26:15 pmJFK - SYD
1 stop22h 15mDelta
Tue 12/910:40 amSYD - JFK
1 stop21h 25mDelta
Deal found 12/2$1,013
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Mon 12/83:41 pmLGA - SYD
1 stop23h 19mUnited Airlines
Mon 12/2911:50 amSYD - LGA
1 stop23h 16mUnited Airlines
Deal found 12/2$1,013
This Delta deal was found by Cheapflights users on 12/2. 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 12/26:15 pmJFK - SYD
1 stop22h 15mDelta
Mon 12/810:40 amSYD - JFK
2 stops29h 11mDelta
Deal found 12/2$1,017
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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.
Tue 12/3011:00 amJFK - SYD
1 stop30h 00mQantas Airways
Mon 5/189:10 amSYD - JFK
1 stop24h 54mQantas Airways
Deal found 12/2$1,035
This American Airlines deal was found by Cheapflights users on 12/2. 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 12/302:02 pmPHL - SYD
1 stop26h 58mAmerican Airlines
Mon 1/1911:20 amSYD - PHL
1 stop28h 28mAmerican Airlines
Deal found 12/2$1,045
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 12/55:15 pmJFK - SYD
1 stop23h 00mQantas Airways
Sun 1/259:45 amSYD - JFK
1 stop20h 40mQantas Airways
Deal found 12/2$1,046
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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.
Wed 12/317:00 amJFK - SYD
1 stop34h 00mQantas Airways
Thu 1/2911:20 amSYD - JFK
1 stop28h 32mQantas Airways
Deal found 12/2$1,048

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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$933
(Air Canada)

One-way from

$435
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,963
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. 15% potential increase in price ($258 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 3, 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

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 1/25

3:41 pm-7:00 am

1 stop23h 19m

Sydney Kingsford Smith

Sun 2/8

11:50 am-4:28 pm

1 stop20h 38m

$985

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 2/23

11:00 am-8:30 am

1 stop29h 30m

Sydney Kingsford Smith

Sun 3/8

10:40 am-6:05 pm

1 stop23h 25m

$993

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 1/27

3:41 pm-9:05 am

2 stops25h 24m

Sydney Kingsford Smith

Tue 2/10

11:50 am-4:28 pm

1 stop20h 38m

$993

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 5/3

2:25 pm-7:00 am

1 stop26h 35m

Sydney Kingsford Smith

Sun 5/17

9:30 am-4:16 pm

1 stop20h 46m

$993

NewarkSydney

EWR - SYD

EWRSYD

Newark

Tue 3/24

7:30 pm-9:05 am

1 stop22h 35m

Sydney Kingsford Smith

Wed 4/8

9:30 am-4:42 pm

1 stop21h 12m

$993

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 2/9

6:00 pm-9:05 am

1 stop23h 05m

Sydney Kingsford Smith

Wed 2/25

11:50 am-5:59 pm

1 stop22h 09m

$993

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 1/21

1:15 pm-9:05 am

2 stops27h 50m

Sydney Kingsford Smith

Wed 1/28

11:50 am-4:28 pm

1 stop20h 38m

$994

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 4/27

2:30 pm-6:55 am

1 stop26h 25m

Sydney Kingsford Smith

Mon 5/4

9:30 am-4:16 pm

1 stop20h 46m

$994

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 2/9

1:30 pm-8:30 am

1 stop27h 00m

Sydney Kingsford Smith

Wed 2/25

10:40 am-11:40 pm

2 stops29h 00m

$998

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 2/11

3:20 pm-8:30 am

2 stops25h 10m

Sydney Kingsford Smith

Tue 2/24

10:40 am-5:11 pm

2 stops22h 31m

$998

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

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 $346). 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.

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 December 3, 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 23h 19m. United Airlines provides one of the quickest options available for as low as $985. Pennsylvania and Sydney are separated by a distance of 9939 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 $346). 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
Coogee

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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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$879FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$859Average$1,429FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$941Average$1,284FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,044Average$1,760FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,127Average$1,665FlexibilityNo 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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