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$433+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Pennsylvania to Australia

Keep the following information in mind while searching for Pennsylvania to Australia flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$779
(FlightHub)

One-way from

$433
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,450
Provider with most accurate pricing for Philadelphia-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Sydney Kingsford Smith flights.
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From Pennsylvania to Australia
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One-way flight from Pennsylvania to Australia
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Highest demand for flights based on searches. 16% potential increase in price ($301 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This FlightHub deal was found by Cheapflights users on 10/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/183:30 pmEWR - SYD
2 stops26h 05mAir Canada
Tue 11/2511:20 amSYD - EWR
2 stops37h 27mAir Canada
Deal found 10/28$779
This Travelocity deal was found by Cheapflights users on 10/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:25 pmEWR - SYD
1 stop23h 10mMultiple Airlines
Mon 8/319:35 pmSYD - EWR
2 stops33h 24mMultiple Airlines
Deal found 10/29$810
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:25 pmEWR - SYD
1 stop44h 30mAir Canada
Thu 1/1511:20 amSYD - EWR
2 stops25h 17mAir Canada
Deal found 10/30$811
This Air Canada deal was found by Cheapflights users on 10/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:29 pmEWR - SYD
2 stops41h 26mAir Canada
Thu 12/114:00 pmSYD - EWR
1 stop40h 53mAir Canada
Deal found 10/29$817
This Expedia deal was found by Cheapflights users on 10/28. 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.
Thu 12/116:25 pmEWR - SYD
1 stop23h 10mAir Canada
Thu 12/2511:20 amSYD - EWR
1 stop21h 33mAir Canada
Deal found 10/28$820
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/289:55 amLGA - SYD
1 stop29h 05mUnited Airlines
Sun 12/142:00 pmSYD - LGA
2 stops25h 30mUnited Airlines
Deal found 10/30$1,050
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:28 pmJFK - SYD
2 stops28h 02mDelta
Fri 12/510:40 amSYD - JFK
2 stops26h 35mDelta
Deal found 10/29$1,065
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:15 pmLGA - SYD
2 stops27h 50mUnited Airlines
Fri 11/2811:20 amSYD - LGA
2 stops24h 20mUnited Airlines
Deal found 10/29$1,065
This Delta deal was found by Cheapflights users on 10/30. 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.
Mon 11/32:00 pmJFK - SYD
2 stops26h 30mDelta
Fri 11/710:40 amSYD - JFK
2 stops23h 30mDelta
Deal found 10/30$1,066
This Delta deal was found by Cheapflights users on 10/30. 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 11/22:29 pmLGA - SYD
2 stops26h 01mDelta
Fri 11/710:40 amSYD - LGA
2 stops24h 30mDelta
Deal found 10/30$1,066
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:45 pmLGA - SYD
2 stops45h 50mAir Canada
Tue 12/1611:20 amSYD - LGA
2 stops50h 13mAir Canada
Deal found 10/30$1,067
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:28 pmLGA - SYD
1 stop46h 32mUnited Airlines
Thu 11/2711:50 amSYD - LGA
1 stop20h 34mUnited Airlines
Deal found 10/29$1,069

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 October 30, 2025.
Use the filters below to find and compare flights from Pennsylvania to Australia that are best for you.

Fly from

Pennsylvania

Fly to

Australia

Route

Depart

Return

Price

NewarkSydney

EWR - SYD

EWRSYD

Newark

Tue 2/24

2:45 pm-9:05 am

1 stop26h 20m

Sydney Kingsford Smith

Sun 3/8

10:20 am-5:30 pm

1 stop23h 10m

$993

NewarkSydney

EWR - SYD

EWRSYD

Newark

Tue 4/28

6:25 pm-7:00 am

1 stop22h 35m

Sydney Kingsford Smith

Tue 5/19

10:20 am-9:38 pm

1 stop25h 18m

$993

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 4/1

6:25 pm-8:00 am

1 stop22h 35m

Sydney Kingsford Smith

Tue 4/14

9:30 am-7:53 pm

1 stop24h 23m

$993

NewarkSydney

EWR - SYD

EWRSYD

Newark

Sun 3/29

6:25 pm-8:00 am

1 stop22h 35m

Sydney Kingsford Smith

Wed 4/15

10:20 am-5:01 pm

1 stop20h 41m

$993

NewarkSydney

EWR - SYD

EWRSYD

Newark

Tue 1/13

2:45 pm-9:05 am

1 stop26h 20m

Sydney Kingsford Smith

Sun 1/25

11:20 am-8:00 pm

1 stop24h 40m

$1,010

NewarkSydney

EWR - SYD

EWRSYD

Newark

Wed 11/19

7:00 am-7:00 am

1 stop32h 00m

Sydney Kingsford Smith

Mon 11/24

11:50 am-4:21 pm

1 stop20h 31m

$1,011

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 1/26

6:00 pm-9:05 am

1 stop23h 05m

Sydney Kingsford Smith

Sat 2/7

11:50 am-6:05 pm

1 stop22h 15m

$1,042

NewarkSydney

EWR - SYD

EWRSYD

Newark

Thu 4/2

4:45 pm-7:55 am

1 stop24h 10m

Sydney Kingsford Smith

Wed 4/15

10:20 am-5:01 pm

1 stop20h 41m

$1,052

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Fri 1/23

6:20 pm-6:50 am

1 stop44h 30m

Sydney Kingsford Smith

Tue 1/27

10:40 am-4:07 pm

1 stop21h 27m

$1,072

New YorkSydney

JFK - SYD

JFKSYD

New York John F Kennedy Intl

Thu 2/26

3:40 pm-6:50 am

1 stop23h 10m

Sydney Kingsford Smith

Sat 3/7

10:40 am-4:10 pm

1 stop21h 30m

$1,111

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 results
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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

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

Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Australia (average of $276). Flying from Pennsylvania to Australia in June is currently the most expensive (average of $878). 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.

What is the cheapest time of day to fly from PA to AU?

Find hourly flight availability from Pennsylvania to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

One of the essential ways to save on airfare from Pennsylvania to Australia is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 53% on airfare.

What is the cheapest day to fly from Pennsylvania to Australia?

Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to Australia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Pennsylvania to Australia flight should consider departing on Sunday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 26h 20m. United Airlines provides one of the quickest options available for as low as $993. There are 9923 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 Delta, with whom users have recently found tickets for as low as $583. However, be on the lookout for offers from Qantas 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, January is the cheapest month in which you can book a flight from Pennsylvania to Australia (average of $276). Flying from Pennsylvania to Australia in June is currently the most expensive (average of $878). 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

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Top 8 airlines flying from Pennsylvania to Australia

Discover the top 8 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$879FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$759Average$1,561FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$787Average$1,823FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$941Average$1,314FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$945Average$1,486FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,127Average$1,560FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,220Average$1,548FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,296Average$1,694FlexibilityNo cancel feeOn-time68%

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