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$515+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
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 July 2, 2026.

This Trip.com deal was found by Cheapflights users on 6/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:11 am
IAD
-
SYD
3 stops34h 39m
Multiple Airlines
Wed 8/191:15 pm
SYD
-
IAD
3 stops41h 59m
Multiple Airlines
Deal found 6/28$1,015
This lol.travel deal was found by Cheapflights users on 7/2. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Sun 8/239:20 am
SYD
-
EWR
1 stop21h 13m
Air Canada
Deal found 7/2$1,036
This Expedia deal was found by Cheapflights users on 6/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Wed 11/1111:20 am
SYD
-
EWR
1 stop21h 29m
Air Canada
Deal found 6/28$1,069
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Tue 9/1511:30 am
EWR
-
SYD
3 stops34h 20m
Multiple Airlines
Wed 9/231:15 pm
SYD
-
EWR
3 stops35h 12m
Multiple Airlines
Deal found 6/29$1,070
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:05 am
IAD
-
SYD
3 stops34h 45m
Multiple Airlines
Fri 8/211:15 pm
SYD
-
IAD
3 stops32h 49m
Multiple Airlines
Deal found 7/1$1,131
This Trip.com deal was found by Cheapflights users on 7/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:05 am
IAD
-
SYD
3 stops34h 45m
Multiple Airlines
Thu 8/271:15 pm
SYD
-
IAD
3 stops41h 59m
Multiple Airlines
Deal found 7/2$1,135
This Vliegwinkel deal was found by Cheapflights users on 6/29. 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.
Sun 8/98:55 am
JFK
-
SYD
1 stop43h 55m
Alaska Airlines
Sun 8/238:45 pm
SYD
-
JFK
1 stop24h 10m
Alaska Airlines
Deal found 6/29$1,150
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Sat 9/51:25 pm
LGA
-
SYD
3 stops32h 25m
Multiple Airlines
Fri 9/111:15 pm
SYD
-
LGA
3 stops42h 20m
Multiple Airlines
Deal found 6/29$1,150
This Fareboom deal was found by Cheapflights users on 6/29. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:20 am
JFK
-
SYD
1 stop29h 15m
Multiple Airlines
Wed 8/192:50 pm
SYD
-
JFK
1 stop32h 10m
Multiple Airlines
Deal found 6/29$1,151
This SmartFares deal was found by Cheapflights users on 6/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:55 am
JFK
-
SYD
1 stop43h 55m
Alaska Airlines
Tue 8/48:45 pm
SYD
-
JFK
1 stop24h 10m
Alaska Airlines
Deal found 6/28$1,154
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:20 pm
JFK
-
SYD
1 stop24h 50m
Qantas Airways
Sun 8/3012:00 pm
SYD
-
JFK
1 stop23h 00m
Qantas Airways
Deal found 6/30$1,156
This oojo deal was found by Cheapflights users on 7/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:00 pm
JFK
-
SYD
1 stop24h 30m
Qantas Airways
Wed 8/2612:00 pm
SYD
-
JFK
1 stop23h 00m
Qantas Airways
Deal found 7/1$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 July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,015
(Trip.com)

One-way from

$515
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,556
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. 13% potential increase in price ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 2, 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

LGA - SYD

LGASYD

New York LaGuardia

Fri 11/6

3:15 pm-9:35 am

2 stops26h 20m

Sydney Kingsford Smith

Mon 11/30

11:20 am-9:31 pm

2 stops26h 11m

$1,161

NewarkSydney

EWR - SYD

EWRSYD

Newark

Fri 11/6

6:15 pm-9:35 am

1 stop23h 20m

Sydney Kingsford Smith

Mon 11/30

11:20 am-10:50 pm

2 stops27h 30m

$1,162

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 8/19

3:39 pm-6:55 am

2 stops25h 16m

Sydney Kingsford Smith

Wed 8/26

9:30 am-7:25 pm

2 stops23h 55m

$1,179

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 8/9

5:40 pm-6:50 am

1 stop23h 10m

Sydney Kingsford Smith

Sun 8/23

9:15 am-7:03 am

1 stop35h 48m

$1,180

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Mon 8/24

7:20 pm-10:10 am

1 stop24h 50m

Sydney Kingsford Smith

Thu 9/3

9:10 am-5:06 pm

1 stop21h 56m

$1,188

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Wed 8/5

1:10 pm-6:50 am

2 stops27h 40m

Sydney Kingsford Smith

Wed 8/19

9:15 am-6:29 pm

1 stop23h 14m

$1,190

HarrisburgSydney

MDT - SYD

MDTSYD

Harrisburg

Mon 8/17

2:52 pm-7:00 am

2 stops26h 08m

Sydney Kingsford Smith

Mon 8/24

9:30 am-6:26 pm

2 stops22h 56m

$1,190

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 8/5

1:59 pm-6:50 am

2 stops26h 51m

Sydney Kingsford Smith

Wed 8/19

9:15 am-8:30 pm

2 stops25h 15m

$1,190

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 7/27

3:40 pm-7:00 am

2 stops25h 20m

Sydney Kingsford Smith

Mon 8/3

9:30 am-7:30 pm

1 stop24h 00m

$1,190

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 8/3

1:59 pm-6:50 am

2 stops26h 51m

Sydney Kingsford Smith

Tue 8/18

9:15 am-7:20 pm

2 stops24h 05m

$1,190

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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, 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 July is currently the most expensive (average of $1,267). 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?

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 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 10m. Air Canada provides one of the quickest options available for as low as $1,180. Pennsylvania and Sydney are separated by a distance of 9943 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 $690 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, 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, 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 July is currently the most expensive (average of $1,267). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$843Average$1,461FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,045Average$1,446FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,066Average$1,398FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,159Average$1,499FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$1,244Average$1,486FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,418Average$1,548FlexibilityNo cancel feeOn-time78%

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