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$613+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
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 August 1, 2026.

This Trip.com deal was found by Cheapflights users on 7/28. 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.
Sun 8/306:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Sun 9/139:20 am
SYD
-
EWR
1 stop21h 13m
Air Canada
Deal found 7/28$841
This Trip.com deal was found by Cheapflights users on 8/1. 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.
Wed 9/911:12 am
IAD
-
SYD
3 stops34h 38m
Multiple Airlines
Wed 9/161:15 pm
SYD
-
IAD
3 stops35h 02m
Multiple Airlines
Deal found 8/1$980
This Trip.com deal was found by Cheapflights users on 7/31. 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.
Mon 9/1411:12 am
IAD
-
SYD
3 stops34h 38m
Multiple Airlines
Mon 9/216:00 am
SYD
-
IAD
3 stops62h 20m
Multiple Airlines
Deal found 7/31$1,025
This lol.travel deal was found by Cheapflights users on 7/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Tue 8/259:20 am
SYD
-
EWR
1 stop21h 13m
Air Canada
Deal found 7/28$1,041
This Trip.com deal was found by Cheapflights users on 7/27. 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 9/1611:12 am
IAD
-
SYD
3 stops34h 38m
Multiple Airlines
Wed 9/231:15 pm
SYD
-
IAD
3 stops35h 12m
Multiple Airlines
Deal found 7/27$1,097
This Trip.com deal was found by Cheapflights users on 7/28. 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 9/29:00 pm
IAD
-
SYD
1 stop30h 10m
Qatar Airways
Sat 9/128:45 pm
SYD
-
IAD
1 stop32h 55m
Qatar Airways
Deal found 7/28$1,139
This Kissandfly.com deal was found by Cheapflights users on 7/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:35 am
LGA
-
SYD
1 stop29h 45m
Air Canada
Sun 9/139:20 am
SYD
-
LGA
2 stops23h 41m
Air Canada
Deal found 7/29$1,150
This Expedia deal was found by Cheapflights users on 7/27. 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 8/252:00 am
JFK
-
SYD
1 stop27h 10m
ANA
Wed 9/211:45 am
SYD
-
JFK
1 stop25h 10m
ANA
Deal found 7/27$1,152
This Fareboom deal was found by Cheapflights users on 7/29. 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.
Sat 10/316:15 pm
JFK
-
SYD
2 stops27h 20m
Multiple Airlines
Sun 11/156:50 pm
SYD
-
JFK
2 stops38h 10m
Multiple Airlines
Deal found 7/29$1,153
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/92:00 am
JFK
-
SYD
1 stop41h 25m
ANA
Tue 9/18:55 pm
SYD
-
JFK
1 stop40h 00m
ANA
Deal found 7/31$1,154
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:50 am
JFK
-
SYD
1 stop27h 25m
ANA
Sat 11/712:25 pm
SYD
-
JFK
1 stop25h 25m
ANA
Deal found 7/30$1,155
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:50 am
JFK
-
SYD
1 stop27h 25m
ANA
Sun 11/1512:25 pm
SYD
-
JFK
1 stop25h 25m
ANA
Deal found 7/29$1,156

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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$841
(Trip.com)

One-way from

$613
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,548
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. 9% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 1, 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

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 8/12

3:38 pm-6:55 am

2 stops25h 17m

Sydney Kingsford Smith

Sun 9/6

9:30 am-5:05 pm

1 stop21h 35m

$1,191

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sun 9/13

9:30 pm-6:50 pm

2 stops31h 20m

Sydney Kingsford Smith

Sun 9/27

2:50 pm-2:30 pm

1 stop37h 40m

$1,299

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Mon 10/5

3:44 pm-8:00 am

1 stop25h 16m

Sydney Kingsford Smith

Tue 10/13

10:30 am-8:36 pm

2 stops25h 06m

$1,307

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Wed 10/14

5:50 pm-7:50 am

1 stop23h 00m

Sydney Kingsford Smith

Wed 10/28

9:40 am-8:28 pm

2 stops25h 48m

$1,312

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Sat 8/15

1:00 pm-6:55 am

3 stops27h 55m

Sydney Kingsford Smith

Sat 8/22

9:30 am-6:30 pm

2 stops23h 00m

$1,312

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sat 12/5

5:20 pm-7:00 am

1 stop45h 40m

Sydney Kingsford Smith

Tue 12/22

11:50 am-4:35 pm

1 stop20h 45m

$1,316

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Sat 10/24

4:51 pm-8:05 am

2 stops48h 14m

Sydney Kingsford Smith

Mon 11/2

9:20 am-4:55 pm

2 stops23h 35m

$1,328

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Wed 10/28

7:29 pm-8:50 pm

2 stops34h 21m

Sydney Kingsford Smith

Sun 11/1

11:20 am-5:53 pm

1 stop21h 33m

$1,330

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Mon 10/5

5:50 am-7:50 am

2 stops35h 00m

Sydney Kingsford Smith

Tue 10/13

10:15 am-9:31 pm

2 stops26h 16m

$1,331

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Mon 9/7

9:30 pm-6:35 am

1 stop43h 05m

Sydney Kingsford Smith

Mon 9/21

2:50 pm-2:30 pm

1 stop37h 40m

$1,359

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

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, February is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,124). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $1,736). 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?

Airfare is below average for this route at the moment.
Pennsylvania to Sydney flights typically cost between $1,486 and $1,548 in September.
The cheapest round-trip price found within the last 5 days was $1,171 on Multiple Airlines (Sep 14-Sep 21).

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. United Airlines provides one of the quickest options available for as low as $1,312. Pennsylvania and Sydney are separated by a distance of 9943 mi. This flight may include one or multiple stops.

  • 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, February is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,124). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $1,736). 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

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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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$843Average$1,456FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,045Average$1,407FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,066Average$1,398FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,198Average$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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