Sydney

$525+ 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 9 — Jan 161
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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 10, 2025.

This Air Canada deal was found by Cheapflights users on 12/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:25 pmEWR - SYD
1 stop44h 30mAir Canada
Sun 12/1411:20 amSYD - EWR
2 stops42h 08mAir Canada
Deal found 12/8$1,010
This Air Canada deal was found by Cheapflights users on 12/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:25 pmEWR - SYD
1 stop23h 10mAir Canada
Sat 12/134:00 pmSYD - EWR
1 stop40h 53mAir Canada
Deal found 12/9$1,043
This Air Canada deal was found by Cheapflights users on 12/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:25 pmEWR - SYD
1 stop44h 30mAir Canada
Wed 12/1711:20 amSYD - EWR
2 stops42h 08mAir Canada
Deal found 12/9$1,056
This FlightHub deal was found by Cheapflights users on 12/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:35 amLGA - SYD
2 stops28h 20mAir Canada
Tue 12/1611:20 amSYD - LGA
1 stop36h 47mAir Canada
Deal found 12/8$1,057
This Air Canada deal was found by Cheapflights users on 12/7. 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.
Thu 12/116:25 pmEWR - SYD
1 stop23h 10mAir Canada
Tue 12/2311:20 amSYD - EWR
2 stops42h 08mAir Canada
Deal found 12/7$1,079
This Air Canada deal was found by Cheapflights users on 12/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:55 amEWR - SYD
2 stops32h 00mAir Canada
Tue 12/1611:20 amSYD - EWR
1 stop21h 33mAir Canada
Deal found 12/8$1,082
This Trip.com deal was found by Cheapflights users on 12/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:55 pmLGA - SYD
2 stops42h 05mMultiple Airlines
Tue 1/1311:20 amSYD - LGA
2 stops50h 40mMultiple Airlines
Deal found 12/9$1,097
This Gotogate deal was found by Cheapflights users on 12/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:25 pmEWR - SYD
1 stop44h 30mAir Canada
Thu 12/2511:20 amSYD - EWR
1 stop21h 33mAir Canada
Deal found 12/9$1,115
This United Airlines deal was found by Cheapflights users on 12/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:50 pmPHL - SYD
1 stop45h 10mUnited Airlines
Thu 1/1511:50 amSYD - PHL
1 stop20h 46mUnited Airlines
Deal found 12/9$1,146
This Trip.com deal was found by Cheapflights users on 12/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:29 pmJFK - SYD
2 stops48h 31mMultiple Airlines
Tue 1/1311:20 amSYD - JFK
1 stop33h 40mMultiple Airlines
Deal found 12/9$1,163
This Air Canada deal was found by Cheapflights users on 12/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:45 amJFK - SYD
2 stops53h 10mAir Canada
Sat 1/3111:20 amSYD - JFK
2 stops49h 38mAir Canada
Deal found 12/8$1,238
This Air Canada deal was found by Cheapflights users on 12/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:30 amLGA - SYD
2 stops30h 05mAir Canada
Tue 12/2311:20 amSYD - LGA
2 stops26h 13mAir Canada
Deal found 12/10$1,260

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 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$941
(Air Canada)

One-way from

$525
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,929
Provider with most accurate pricing for Philadelphia-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Sydney Kingsford Smith flights.
From Pennsylvania to Sydney Kingsford Smith
One-way flight from Pennsylvania to Sydney Kingsford Smith
Highest demand for flights based on searches. 11% potential increase in price ($194 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 10, 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

Mon 2/23

2:18 pm-9:00 am

1 stop26h 42m

Sydney Kingsford Smith

Tue 3/3

7:15 pm-5:47 pm

2 stops38h 32m

$975

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 2/1

1:15 pm-9:05 am

2 stops27h 50m

Sydney Kingsford Smith

Tue 2/10

11:50 am-4:28 pm

1 stop20h 38m

$987

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 2/1

1:15 pm-9:05 am

2 stops27h 50m

Sydney Kingsford Smith

Wed 2/11

11:50 am-4:28 pm

1 stop20h 38m

$987

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 2/1

1:15 pm-9:05 am

2 stops27h 50m

Sydney Kingsford Smith

Sun 2/8

11:50 am-4:28 pm

1 stop20h 38m

$987

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 2/2

1:15 pm-9:05 am

2 stops27h 50m

Sydney Kingsford Smith

Mon 2/9

11:50 am-4:28 pm

1 stop20h 38m

$987

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 2/1

1:15 pm-9:05 am

2 stops27h 50m

Sydney Kingsford Smith

Mon 2/9

11:50 am-4:28 pm

1 stop20h 38m

$987

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 2/1

6:00 pm-9:05 am

1 stop23h 05m

Sydney Kingsford Smith

Wed 2/11

11:20 am-3:51 pm

1 stop20h 31m

$987

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 3/31

2:16 pm-8:05 am

1 stop26h 49m

Sydney Kingsford Smith

Mon 4/20

9:10 am-5:55 pm

1 stop22h 45m

$991

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Tue 2/24

1:30 pm-8:30 am

1 stop27h 00m

Sydney Kingsford Smith

Mon 3/16

1:15 pm-9:29 pm

1 stop23h 14m

$995

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 2/3

9:55 am-7:00 am

1 stop29h 05m

Sydney Kingsford Smith

Wed 2/11

11:50 am-4:28 pm

1 stop20h 38m

$995

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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.

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 10, 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 26h 42m. Qantas Airways provides one of the quickest options available for as low as $975. 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?

  • 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
Coogee

Browse thousands of different options on Cheapflights for your next trip

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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.

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 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$879FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$859Average$1,418FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$941Average$1,269FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,044Average$1,744FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,127Average$1,575FlexibilityNo 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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