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$564+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Sep 10 — Sep 171
Thu 9/10
Thu 9/17
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 11, 2026.

This lol.travel deal was found by Cheapflights users on 8/8. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:05 pm -
1 stop23h 15m
Sun 9/139:20 am -
1 stop21h 13m
Deal found 8/8$1,026
This Trip.com deal was found by Cheapflights users on 8/11. 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 9/137:50 am -
3 stops38h 00m
Wed 9/236:15 am -
3 stops42h 12m
Deal found 8/11$1,043
This Trip.com deal was found by Cheapflights users on 8/11. 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 -
3 stops34h 38m
Wed 9/231:15 pm -
3 stops35h 12m
Deal found 8/11$1,044
This Gotogate deal was found by Cheapflights users on 8/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:05 pm -
1 stop23h 15m
Tue 9/299:20 am -
1 stop21h 13m
Deal found 8/8$1,045
This lol.travel deal was found by Cheapflights users on 8/6. 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.
Thu 9/106:05 pm -
1 stop23h 15m
Wed 9/239:20 am -
1 stop21h 13m
Deal found 8/6$1,047
This Trip.com deal was found by Cheapflights users on 8/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:05 pm -
1 stop23h 15m
Sun 10/2510:20 am -
1 stop21h 29m
Deal found 8/7$1,050
This flugladen.de deal was found by Cheapflights users on 8/8. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:15 pm -
1 stop23h 20m
Sun 11/1511:20 am -
2 stops24h 20m
Deal found 8/8$1,051
This lol.travel deal was found by Cheapflights users on 8/8. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:25 pm -
2 stops26h 55m
Tue 9/159:20 am -
3 stops36h 18m
Deal found 8/8$1,052
This Trip.com deal was found by Cheapflights users on 8/9. 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 9/2311:12 am -
3 stops45h 13m
Wed 9/301:15 pm -
3 stops31h 05m
Deal found 8/9$1,054
This Trip.com deal was found by Cheapflights users on 8/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
3 stops74h 25m
Thu 10/11:15 pm -
3 stops55h 05m
Deal found 8/10$1,162
This Gotogate deal was found by Cheapflights users on 8/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:00 am -
1 stop27h 10m
Sun 9/1311:45 am -
1 stop25h 10m
Deal found 8/7$1,163
This Ovago deal was found by Cheapflights users on 8/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:35 am -
1 stop29h 45m
Wed 11/411:20 am -
1 stop23h 43m
Deal found 8/8$1,165

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 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,026
(lol.travel)

One-way from

$564
(Kiwi.com)

Popular in

January

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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($19 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 11, 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

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 11/8

4:21 pm-6:55 am

1 stop22h 34m

Sydney Kingsford Smith

Wed 11/18

11:05 am-8:32 pm

2 stops25h 27m

$1,276

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Sun 11/8

4:21 pm-6:55 am

1 stop22h 34m

Sydney Kingsford Smith

Wed 11/18

11:05 am-8:32 pm

2 stops25h 27m

$1,277

NewarkSydney

EWR Newark - SYD Sydney Kingsford Smith

EWRSYD

Newark

Mon 9/14

4:00 pm-6:55 am

1 stop24h 55m

Sydney Kingsford Smith

Mon 9/21

9:30 am-4:35 pm

1 stop21h 05m

$1,308
Quickest round-trip

NewarkSydney

EWR Newark - SYD Sydney Kingsford Smith

EWRSYD

Newark

Wed 12/2

4:20 pm-9:05 am

1 stop24h 45m

Sydney Kingsford Smith

Mon 12/14

11:20 am-4:16 pm

1 stop20h 56m

$1,308

ScrantonSydney

AVP Wilkes-Barre Scranton - SYD Sydney Kingsford Smith

AVPSYD

Wilkes-Barre Scranton

Mon 9/21

10:21 am-7:00 am

2 stops30h 39m

Sydney Kingsford Smith

Sun 10/11

10:30 am-9:46 am

2 stops38h 16m

$1,312

NewarkSydney

EWR Newark - SYD Sydney Kingsford Smith

EWRSYD

Newark

Tue 9/22

4:59 pm-6:50 am

2 stops23h 51m

Sydney Kingsford Smith

Wed 9/30

9:15 am-7:30 pm

2 stops24h 15m

$1,313

NewarkSydney

EWR Newark - SYD Sydney Kingsford Smith

EWRSYD

Newark

Sat 2/6

6:30 pm-6:50 am

2 stops44h 20m

Sydney Kingsford Smith

Tue 2/16

2:15 pm-10:58 pm

2 stops24h 43m

$1,313

New YorkSydney

LGA New York LaGuardia - SYD Sydney Kingsford Smith

LGASYD

New York LaGuardia

Wed 9/9

3:29 pm-6:55 am

2 stops25h 26m

Sydney Kingsford Smith

Wed 9/16

10:20 am-6:45 pm

2 stops22h 25m

$1,313

PittsburghSydney

PIT Pittsburgh - SYD Sydney Kingsford Smith

PITSYD

Pittsburgh

Fri 10/16

5:33 pm-8:40 am

2 stops48h 07m

Sydney Kingsford Smith

Mon 10/19

11:20 am-4:04 pm

1 stop19h 44m

$1,320

PhiladelphiaSydney

PHL Philadelphia - SYD Sydney Kingsford Smith

PHLSYD

Philadelphia

Thu 11/5

8:30 pm-6:50 am

1 stop42h 20m

Sydney Kingsford Smith

Tue 11/24

3:50 pm-2:40 pm

1 stop38h 50m

$1,321

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

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 $1,115). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $1,609). 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 $1,589 in September.
The cheapest round-trip price found within the last 5 days was $1,197 on Air Canada (Sep 15-Sep 30).

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 22h 34m. Qantas Airways provides one of the quickest options available for as low as $1,277. Pennsylvania and Sydney are separated by a distance of 9862 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 $1,115). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $1,609). 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 August 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$843Average$1,456FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,046Average$1,399FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,066Average$1,385FlexibilityNo 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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