HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$596+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 22, 2026.

This Expedia deal was found by Cheapflights users on 5/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:30 am
EWR
-
SYD
2 stops34h 50m
Air Canada
Tue 8/259:20 am
SYD
-
EWR
1 stop21h 13m
Air Canada
Deal found 5/20$981
This lol.travel deal was found by Cheapflights users on 5/21. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Tue 7/79:20 am
SYD
-
EWR
1 stop36h 09m
Air Canada
Deal found 5/21$1,018
This Expedia deal was found by Cheapflights users on 5/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Tue 6/99:20 am
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 5/20$1,021
This oojo deal was found by Cheapflights users on 5/18. 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.
Thu 10/295:55 pm
PIT
-
SYD
1 stop23h 05m
Qantas Airways
Tue 12/155:50 pm
SYD
-
PIT
2 stops40h 37m
Qantas Airways
Deal found 5/18$1,022
This Expedia deal was found by Cheapflights users on 5/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Wed 6/109:20 am
SYD
-
EWR
2 stops38h 27m
Air Canada
Deal found 5/21$1,063
This Air Canada deal was found by Cheapflights users on 5/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:25 pm
EWR
-
SYD
2 stops26h 55m
Air Canada
Tue 7/149:20 am
SYD
-
EWR
2 stops24h 38m
Air Canada
Deal found 5/19$1,064
This Expedia deal was found by Cheapflights users on 5/18. 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.
Tue 6/25:25 pm
JFK
-
SYD
1 stop24h 05m
Qantas Airways
Tue 6/239:10 am
SYD
-
JFK
1 stop26h 23m
Qantas Airways
Deal found 5/18$1,103
This Expedia deal was found by Cheapflights users on 5/18. 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.
Mon 5/256:46 pm
LGA
-
SYD
1 stop22h 09m
Qantas Airways
Mon 6/112:00 pm
SYD
-
LGA
1 stop24h 29m
Qantas Airways
Deal found 5/18$1,105
This Expedia deal was found by Cheapflights users on 5/18. 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.
Sat 8/159:30 pm
JFK
-
SYD
1 stop44h 00m
Qantas Airways
Sun 8/309:10 am
SYD
-
JFK
1 stop26h 36m
Qantas Airways
Deal found 5/18$1,116
This Bravofly deal was found by Cheapflights users on 5/18. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:29 pm
JFK
-
SYD
1 stop23h 36m
Qantas Airways
Tue 6/169:10 am
SYD
-
JFK
1 stop21h 25m
Qantas Airways
Deal found 5/18$1,118
This oojo deal was found by Cheapflights users on 5/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:31 pm
PIT
-
SYD
1 stop22h 34m
Qantas Airways
Wed 8/269:10 am
SYD
-
PIT
1 stop22h 20m
Qantas Airways
Deal found 5/21$1,126
This lastminute.com deal was found by Cheapflights users on 5/19. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/244:30 pm
JFK
-
SYD
1 stop24h 35m
Qantas Airways
Tue 6/99:10 am
SYD
-
JFK
1 stop24h 18m
Qantas Airways
Deal found 5/19$1,126

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 May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$981
(Expedia)

One-way from

$596
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,446
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. 12% potential increase in price ($214 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 May 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 May 22, 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

Mon 6/1

3:25 pm-6:55 am

2 stops25h 30m

Sydney Kingsford Smith

Tue 6/9

10:20 am-7:22 pm

2 stops23h 02m

$1,155
Quickest round-trip

NewarkSydney

EWR - SYD

EWRSYD

Newark

Tue 8/4

6:00 pm-6:55 am

1 stop22h 55m

Sydney Kingsford Smith

Tue 8/25

10:20 am-4:48 pm

1 stop20h 28m

$1,161

AllentownSydney

ABE - SYD

ABESYD

Allentown-Bethlehem

Tue 6/30

10:37 am-7:00 am

2 stops30h 23m

Sydney Kingsford Smith

Tue 7/28

9:30 am-9:07 pm

2 stops25h 37m

$1,164

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 8/23

3:39 pm-7:00 am

2 stops25h 21m

Sydney Kingsford Smith

Sun 9/6

9:30 am-7:54 pm

2 stops24h 24m

$1,164

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 8/23

3:25 pm-6:55 am

2 stops25h 30m

Sydney Kingsford Smith

Wed 9/2

9:30 am-7:25 pm

2 stops23h 55m

$1,164

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 8/24

1:22 pm-7:00 am

2 stops27h 38m

Sydney Kingsford Smith

Sun 9/6

9:30 am-7:27 pm

1 stop23h 57m

$1,164

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 6/14

10:30 am-6:55 am

2 stops30h 25m

Sydney Kingsford Smith

Sun 6/21

9:30 am-9:25 pm

2 stops25h 55m

$1,166

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 8/2

5:00 pm-7:05 am

1 stop24h 05m

Sydney Kingsford Smith

Sun 8/23

9:10 am-5:06 pm

1 stop21h 56m

$1,172

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Mon 6/1

5:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Tue 6/9

12:00 pm-8:29 pm

1 stop22h 29m

$1,176

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Tue 8/4

2:40 pm-7:05 am

1 stop26h 25m

Sydney Kingsford Smith

Tue 8/11

9:10 am-7:35 pm

1 stop24h 25m

$1,225

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 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?

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 42 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 24h 05m. United Airlines provides one of the quickest options available for as low as $1,172. 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 $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, 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 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

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 May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$843Average$1,494FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,044Average$1,454FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,066Average$1,439FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,127Average$1,499FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$1,256Average$1,486FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,418Average$1,548FlexibilityNo cancel feeOn-time78%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.