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$514+ Cheap flights from Pennsylvania to Australia

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
1 adult, Economy
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Cheap flight deals from Pennsylvania to Australia

Cheapest flights from Pennsylvania to Australia
Explore the most affordable flight options available from Pennsylvania to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 4, 2026.

This oojo deal was found by Cheapflights users on 5/3. 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 10/125:55 pm
PIT
-
SYD
1 stop23h 10m
Qantas Airways
Mon 11/25:50 pm
SYD
-
PIT
2 stops37h 07m
Qantas Airways
Deal found 5/3$1,012
This oojo deal was found by Cheapflights users on 5/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:55 pm
PIT
-
SYD
1 stop23h 10m
Qantas Airways
Tue 10/277:05 am
SYD
-
PIT
2 stops26h 41m
Qantas Airways
Deal found 5/2$1,126
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:05 pm
JFK
-
SYD
1 stop39h 10m
ANA
Wed 11/189:45 pm
SYD
-
JFK
1 stop40h 05m
ANA
Deal found 4/29$1,159
This CrystalTravel deal was found by Cheapflights users on 5/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:30 pm
JFK
-
SYD
1 stop24h 35m
Qantas Airways
Sun 5/178:55 am
SYD
-
JFK
1 stop21h 25m
Qantas Airways
Deal found 5/1$1,161
This CrystalTravel deal was found by Cheapflights users on 4/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:30 pm
JFK
-
SYD
1 stop24h 35m
Qantas Airways
Mon 5/187:10 am
SYD
-
JFK
1 stop23h 10m
Qantas Airways
Deal found 4/30$1,162
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:30 pm
JFK
-
SYD
1 stop39h 40m
ANA
Mon 11/29:45 pm
SYD
-
JFK
1 stop40h 05m
ANA
Deal found 4/29$1,163
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:30 pm
JFK
-
SYD
1 stop39h 40m
ANA
Sat 10/109:45 pm
SYD
-
JFK
1 stop40h 10m
ANA
Deal found 4/29$1,166
This CrystalTravel deal was found by Cheapflights users on 5/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:29 pm
JFK
-
SYD
1 stop23h 36m
Qantas Airways
Sun 5/108:55 am
SYD
-
JFK
1 stop21h 25m
Qantas Airways
Deal found 5/1$1,168
This Gotogate deal was found by Cheapflights users on 5/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:00 am
JFK
-
SYD
1 stop27h 10m
ANA
Fri 10/1612:45 pm
SYD
-
JFK
1 stop25h 10m
ANA
Deal found 5/2$1,170
This Gotogate deal was found by Cheapflights users on 5/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:00 am
JFK
-
SYD
1 stop27h 10m
ANA
Sat 10/109:45 pm
SYD
-
JFK
1 stop40h 10m
ANA
Deal found 5/2$1,171
This CrystalTravel deal was found by Cheapflights users on 4/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:15 am
JFK
-
MEL
1 stop34h 30m
Qantas Airways
Fri 5/226:35 am
MEL
-
JFK
1 stop23h 45m
Qantas Airways
Deal found 4/30$1,172
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:05 pm
JFK
-
SYD
1 stop39h 10m
ANA
Wed 11/119:45 pm
SYD
-
JFK
1 stop40h 05m
ANA
Deal found 4/30$1,173

Find flight deals from Pennsylvania to Australia

Keep the following information in mind while searching for Pennsylvania to Australia flight deals. Data was last updated May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,012
(oojo)

One-way from

$514
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,453
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 Australia
Search Deals
One-way flight from Pennsylvania to Australia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($193 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($46 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 Australia 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 4, 2026.
Use the filters below to find and compare flights from Pennsylvania to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Sun 7/26

12:29 pm-7:00 am

2 stops28h 31m

Sydney Kingsford Smith

Tue 8/4

9:30 am-9:59 pm

2 stops26h 29m

$1,226

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 5/17

5:00 pm-6:55 am

1 stop23h 55m

Sydney Kingsford Smith

Mon 5/25

9:30 am-6:59 pm

1 stop23h 29m

$1,240

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 6/8

5:30 pm-7:00 am

1 stop23h 30m

Sydney Kingsford Smith

Wed 6/17

9:30 am-7:45 pm

1 stop24h 15m

$1,240

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 5/24

3:41 pm-6:55 am

2 stops25h 14m

Sydney Kingsford Smith

Tue 6/9

10:20 am-4:53 pm

1 stop20h 33m

$1,240

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Wed 7/22

6:50 pm-6:50 am

1 stop22h 00m

Sydney Kingsford Smith

Tue 8/4

9:15 am-8:09 pm

2 stops24h 54m

$1,245

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Tue 5/26

12:59 pm-6:50 am

2 stops27h 51m

Sydney Kingsford Smith

Tue 6/9

9:15 am-5:25 pm

1 stop22h 10m

$1,245

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Sun 5/17

11:10 am-6:50 am

2 stops29h 40m

Sydney Kingsford Smith

Mon 5/25

9:15 am-11:47 pm

1 stop28h 32m

$1,245

New YorkSydney

LGA - SYD

LGASYD

New York LaGuardia

Tue 5/26

2:59 pm-6:50 am

2 stops25h 51m

Sydney Kingsford Smith

Tue 6/9

9:15 am-7:20 pm

2 stops24h 05m

$1,245

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 5/27

6:45 pm-7:00 am

1 stop22h 15m

Sydney Kingsford Smith

Fri 6/12

9:30 am-7:45 pm

1 stop24h 15m

$1,245

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 8/5

6:00 pm-6:55 am

1 stop22h 55m

Sydney Kingsford Smith

Mon 8/17

9:30 am-7:33 pm

2 stops24h 03m

$1,245

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Pennsylvania to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

How far ahead should I book a flight from Pennsylvania to Australia?

To ensure you get the cheapest price possible for a flight from Pennsylvania to Australia, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Pennsylvania to Australia?

Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Australia (average of $250). Flying from Pennsylvania to Australia in June is currently the most expensive (average of $954). 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.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Pennsylvania to Australia?

    A quick flight from Pennsylvania to Australia can take about 22h. United Airlines provides one of the quickest options available for as low as $1,245. There are 9943 mi between Pennsylvania and Australia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Pennsylvania to Australia one-way?

    The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $609. However, be on the lookout for offers from Fiji Airways and American Airlines, as they are both options that can get you from Pennsylvania to Australia for a low price.

  • Can I find deals for flights from Pennsylvania to Australia that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Australia.

  • Can I find deals for business class flights from Pennsylvania to Australia?

    Yes. Cheapflights offers flight deals from Pennsylvania to Australia 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 Australia?

    Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Australia (average of $250). Flying from Pennsylvania to Australia in June is currently the most expensive (average of $954). 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

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 7 airlines flying from Pennsylvania to Australia

Discover the top 7 airlines that operate flights from Pennsylvania to Australia. 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 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$539Average$1,612FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$765Average$1,489FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$787Average$1,533FlexibilityNo cancel feeOn-time74%
Fiji AirwaysCheapest$954Average$1,494FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,127Average$1,525FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,418Average$1,548FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,447Average$2,010FlexibilityNo cancel feeOn-time68%

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