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$543+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
5月 24 — 5月 311
週日 5/24
週日 5/31
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 4月 24, 2026.

This Trip.com deal was found by Cheapflights users on 4/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 5/136:29 am
LGA
-
SYD
3 stops39h 21m
Multiple Airlines
週三 6/31:20 pm
SYD
-
LGA
3 stops40h 51m
Multiple Airlines
Deal found 4/20$1,088
This Trip.com deal was found by Cheapflights users on 4/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 5/135:55 am
EWR
-
SYD
3 stops39h 55m
Multiple Airlines
週三 6/31:20 pm
SYD
-
EWR
3 stops37h 12m
Multiple Airlines
Deal found 4/20$1,088
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 6/146:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
週三 7/299:20 am
SYD
-
EWR
1 stop21h 13m
Air Canada
Deal found 4/21$1,099
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 6/1410:35 am
LGA
-
SYD
2 stops30h 45m
Air Canada
週二 7/289:20 am
SYD
-
LGA
2 stops24h 25m
Air Canada
Deal found 4/21$1,105
This Trip.com deal was found by Cheapflights users on 4/19. 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.
週日 5/35:59 am
EWR
-
SYD
3 stops39h 51m
Multiple Airlines
週三 5/66:00 am
SYD
-
EWR
3 stops44h 32m
Multiple Airlines
Deal found 4/19$1,105
This Trip.com deal was found by Cheapflights users on 4/23. 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.
週日 5/2411:30 am
EWR
-
SYD
3 stops34h 20m
Multiple Airlines
週五 5/291:15 pm
SYD
-
EWR
3 stops37h 17m
Multiple Airlines
Deal found 4/23$1,107
This Vliegwinkel deal was found by Cheapflights users on 4/23. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 5/106:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
週日 5/249:20 am
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 4/23$1,120
This flugladen.de deal was found by Cheapflights users on 4/23. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 5/106:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
週二 5/269:20 am
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 4/23$1,132
This Vliegwinkel deal was found by Cheapflights users on 4/23. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 5/1010:00 am
JFK
-
SYD
2 stops35h 50m
Multiple Airlines
週日 5/241:15 pm
SYD
-
JFK
2 stops31h 55m
Multiple Airlines
Deal found 4/23$1,138
This Gotogate deal was found by Cheapflights users on 4/23. 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.
週二 9/222:00 am
JFK
-
SYD
1 stop27h 10m
ANA
週三 10/219:45 pm
SYD
-
JFK
1 stop28h 15m
ANA
Deal found 4/23$1,152
This Gotogate deal was found by Cheapflights users on 4/23. 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.
週二 9/151:30 pm
JFK
-
SYD
1 stop29h 55m
ANA
週五 10/3012:25 pm
SYD
-
JFK
1 stop25h 25m
ANA
Deal found 4/23$1,154
This Gotogate deal was found by Cheapflights users on 4/22. 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.
週一 9/142:00 am
JFK
-
SYD
1 stop27h 10m
ANA
週四 10/2212:45 pm
SYD
-
JFK
1 stop25h 10m
ANA
Deal found 4/22$1,158

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 4月 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,088
(Trip.com)

One-way from

$543
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,385
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 ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 4月 24, 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

Cheapest round-trip

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

週日 5/10

4:29 pm-6:50 am

2 stops24h 21m

Sydney Kingsford Smith

週日 5/24

9:15 am-9:27 pm

2 stops26h 12m

$1,227

NewarkSydney

EWR - SYD

EWRSYD

Newark

週一 5/4

2:00 pm-7:00 am

1 stop27h 00m

Sydney Kingsford Smith

週三 5/13

9:30 am-8:47 pm

1 stop25h 17m

$1,240

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

週一 5/4

1:45 pm-6:50 am

1 stop27h 05m

Sydney Kingsford Smith

週三 6/10

9:15 am-6:20 pm

1 stop23h 05m

$1,240

NewarkSydney

EWR - SYD

EWRSYD

Newark

週日 5/17

1:30 pm-6:55 am

1 stop27h 25m

Sydney Kingsford Smith

週日 6/14

10:20 am-9:25 pm

1 stop25h 05m

$1,240

NewarkSydney

EWR - SYD

EWRSYD

Newark

週一 6/8

4:00 pm-6:55 am

2 stops24h 55m

Sydney Kingsford Smith

週一 6/15

9:30 am-5:15 pm

1 stop21h 45m

$1,240

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

週二 5/26

12:59 pm-6:50 am

2 stops27h 51m

Sydney Kingsford Smith

週二 6/2

9:15 am-7:40 pm

2 stops24h 25m

$1,245

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

週日 5/10

4:29 pm-6:50 am

1 stop24h 21m

Sydney Kingsford Smith

週三 5/20

9:15 am-9:28 pm

2 stops26h 13m

$1,245

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

週二 5/12

3:47 pm-7:00 am

2 stops25h 13m

Sydney Kingsford Smith

週三 6/3

10:20 am-7:22 pm

2 stops23h 02m

$1,245

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

週一 5/25

4:29 pm-6:50 am

2 stops24h 21m

Sydney Kingsford Smith

週二 6/2

9:15 am-7:40 pm

2 stops24h 25m

$1,245

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

週一 5/11

3:20 pm-6:55 am

2 stops25h 35m

Sydney Kingsford Smith

週一 6/1

9:30 am-6:47 pm

2 stops23h 17m

$1,245

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

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

How far ahead should I book a flight from Pennsylvania to Sydney?

The price you pay for your flight from Pennsylvania to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Pennsylvania to Sydney?

Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $250). Flying from Pennsylvania to Sydney in June is currently the most expensive (average of $1,217). 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 30m. Delta provides one of the quickest options available for as low as $1,318. 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 $628. Users have also found prices from $668 and $777 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, New York LaGuardia - Sydney Kingsford Smith or Newark - 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, August is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $250). Flying from Pennsylvania to Sydney in June is currently the most expensive (average of $1,217). 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
Coogee
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 4月 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$843Average$1,494FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,044Average$1,489FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,066Average$1,439FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,127Average$1,499FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$1,272Average$1,517FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,418Average$1,548FlexibilityNo cancel feeOn-time78%

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