Sydney

$584+ 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
Jul 2 — Jul 91
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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 June 2, 2026.

This lol.travel deal was found by Cheapflights users on 5/28. 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 6/16:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Tue 6/169:20 am
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 5/28$1,010
This lol.travel deal was found by Cheapflights users on 6/1. 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 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 6/1$1,012
This Expedia deal was found by Cheapflights users on 5/30. 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.
Sun 5/316:05 pm
EWR
-
SYD
1 stop23h 15m
Air Canada
Tue 6/169:20 am
SYD
-
EWR
1 stop21h 20m
Air Canada
Deal found 5/30$1,024
This Expedia deal was found by Cheapflights users on 5/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:54 pm
PIT
-
SYD
1 stop23h 36m
Qantas Airways
Tue 7/79:10 am
SYD
-
PIT
1 stop22h 18m
Qantas Airways
Deal found 5/31$1,086
This FlightHub deal was found by Cheapflights users on 5/30. 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 FlightHub 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 8/2612:00 pm
SYD
-
PIT
1 stop23h 16m
Qantas Airways
Deal found 5/30$1,143
This Expedia deal was found by Cheapflights users on 5/28. 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.
Fri 5/297:20 pm
JFK
-
SYD
1 stop23h 00m
Qantas Airways
Tue 6/169:10 am
SYD
-
JFK
1 stop21h 25m
Qantas Airways
Deal found 5/28$1,149
This KAYAK deal was found by Cheapflights users on 5/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:00 pm
LGA
-
SYD
2 stops27h 00m
Air New Zealand
Sun 11/111:20 am
SYD
-
LGA
2 stops28h 07m
Air New Zealand
Deal found 5/30$1,150
This Delta deal was found by Cheapflights users on 5/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/314:29 pm
JFK
-
SYD
2 stops24h 21m
Delta
Mon 6/159:15 am
SYD
-
JFK
2 stops29h 10m
Delta
Deal found 5/30$1,151
This United Airlines deal was found by Cheapflights users on 5/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:25 pm
LGA
-
SYD
2 stops25h 35m
United Airlines
Tue 8/2510:20 am
SYD
-
LGA
2 stops22h 25m
United Airlines
Deal found 5/31$1,151
This Delta deal was found by Cheapflights users on 5/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:10 am
JFK
-
SYD
2 stops29h 40m
Delta
Mon 7/139:15 am
SYD
-
JFK
1 stop24h 47m
Delta
Deal found 5/28$1,152
This United Airlines deal was found by Cheapflights users on 5/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/239:10 am
LGA
-
SYD
2 stops31h 45m
United Airlines
Mon 7/69:30 am
SYD
-
LGA
2 stops28h 00m
United Airlines
Deal found 5/28$1,152
This oojo deal was found by Cheapflights users on 5/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:20 pm
JFK
-
SYD
Nonstop23h 00m
Qantas Airways
Wed 7/1512:00 pm
SYD
-
JFK
1 stop23h 00m
Qantas Airways
Deal found 5/29$1,153

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 June 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,012
(lol.travel)

One-way from

$584
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,540
Provider with most accurate pricing for Philadelphia-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Sydney Kingsford Smith flights.
From Pennsylvania to Sydney Kingsford Smith
One-way flight from Pennsylvania to Sydney Kingsford Smith
Highest demand for flights based on searches. 12% potential increase in price ($217 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 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
Quickest round-trip

NewarkSydney

EWR - SYD

EWRSYD

Newark

Tue 10/20

6:25 pm-8:00 am

1 stop22h 35m

Sydney Kingsford Smith

Wed 11/18

11:50 am-4:38 pm

1 stop20h 48m

$1,146

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 9/20

6:30 pm-7:00 am

1 stop22h 30m

Sydney Kingsford Smith

Sun 9/27

9:30 am-4:42 pm

1 stop21h 12m

$1,146

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 11/8

5:00 pm-8:30 am

1 stop23h 30m

Sydney Kingsford Smith

Sun 2/7

10:40 am-7:51 pm

2 stops25h 11m

$1,151

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 8/5

12:55 pm-6:50 am

2 stops27h 55m

Sydney Kingsford Smith

Sun 9/6

9:15 am-11:42 pm

2 stops28h 27m

$1,151

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 9/15

3:29 pm-7:00 am

2 stops25h 31m

Sydney Kingsford Smith

Tue 10/20

10:30 am-7:05 pm

2 stops23h 35m

$1,151

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Wed 10/14

12:55 pm-7:50 am

2 stops27h 55m

Sydney Kingsford Smith

Wed 10/28

9:40 am-6:42 pm

2 stops24h 02m

$1,151

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 7/6

7:00 am-7:00 am

1 stop34h 00m

Sydney Kingsford Smith

Sun 7/12

9:30 am-8:49 pm

1 stop25h 19m

$1,157

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Wed 8/5

4:25 pm-7:00 am

2 stops24h 35m

Sydney Kingsford Smith

Wed 8/26

9:30 am-8:47 pm

2 stops25h 17m

$1,164

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sat 10/17

1:00 pm-8:00 am

2 stops28h 00m

Sydney Kingsford Smith

Sun 11/1

11:50 am-5:40 pm

1 stop20h 50m

$1,196

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Fri 10/30

5:00 pm-9:15 am

2 stops25h 15m

Sydney Kingsford Smith

Sun 11/8

11:50 am-4:40 pm

1 stop20h 50m

$1,196

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/31

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 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 40 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 35m. United Airlines provides one of the quickest options available for as low as $1,146. Pennsylvania and Sydney are separated by a distance of 9923 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?

  • 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

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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 June 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$736Average$1,492FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,045Average$1,447FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,066Average$1,439FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,198Average$1,499FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$1,256Average$1,486FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,418Average$1,548FlexibilityNo cancel feeOn-time78%

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