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$496+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Pennsylvania to Sydney

Keep the following information in mind while searching for Pennsylvania to Sydney flight deals. Data was last updated September 17, 2025.

Round-trip from

$1,009
(Justfly.com)

One-way from

$496
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,074
From Pennsylvania to Sydney Kingsford Smith
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One-way flight from Pennsylvania to Sydney Kingsford Smith
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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 ($50 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This Trip.com deal was found by Cheapflights users on 9/15. 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 10/206:15 amIAD - SYD
2 stops34h 50mMultiple Airlines
Sun 11/22:05 pmSYD - IAD
2 stops26h 06mMultiple Airlines
Deal found 9/15$1,032
This Trip.com deal was found by Cheapflights users on 9/15. 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 10/306:00 amIAD - SYD
2 stops34h 00mMultiple Airlines
Thu 11/612:10 pmSYD - IAD
2 stops28h 01mMultiple Airlines
Deal found 9/15$1,037
This Trip.com deal was found by Cheapflights users on 9/15. 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 10/276:15 amIAD - SYD
2 stops35h 45mMultiple Airlines
Sun 11/92:05 pmSYD - IAD
2 stops26h 06mMultiple Airlines
Deal found 9/15$1,079
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Sat 11/86:00 amEWR - SYD
2 stops33h 00mMultiple Airlines
Sat 11/1512:10 pmSYD - EWR
2 stops28h 24mMultiple Airlines
Deal found 9/15$1,079
This Trip.com deal was found by Cheapflights users on 9/14. 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 10/195:54 amEWR - SYD
2 stops35h 11mMultiple Airlines
Wed 10/291:05 pmSYD - EWR
2 stops27h 01mMultiple Airlines
Deal found 9/14$1,082
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:57 pmEWR - SYD
2 stops34h 48mAlaska Airlines
Sun 11/29:40 pmSYD - EWR
2 stops33h 45mAlaska Airlines
Deal found 9/15$1,090
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:29 pmEWR - SYD
2 stops33h 16mAlaska Airlines
Thu 10/239:40 pmSYD - EWR
1 stop32h 49mAlaska Airlines
Deal found 9/16$1,091
This Trip.com deal was found by Cheapflights users on 9/14. 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 10/196:20 amJFK - SYD
2 stops34h 45mMultiple Airlines
Wed 10/291:05 pmSYD - JFK
2 stops26h 28mMultiple Airlines
Deal found 9/14$1,095
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:55 pmJFK - SYD
2 stops33h 50mAlaska Airlines
Tue 10/289:40 pmSYD - JFK
2 stops33h 49mAlaska Airlines
Deal found 9/15$1,099
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:29 pmEWR - SYD
2 stops32h 16mAlaska Airlines
Sat 11/159:40 pmSYD - EWR
1 stop35h 26mAlaska Airlines
Deal found 9/15$1,099
This Trip.com deal was found by Cheapflights users on 9/15. 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 10/201:01 pmJFK - SYD
2 stops28h 04mMultiple Airlines
Sun 11/22:05 pmSYD - JFK
2 stops26h 28mMultiple Airlines
Deal found 9/15$1,107
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 9/226:30 pmEWR - SYD
1 stop22h 30mUnited Airlines
Wed 10/19:30 amSYD - EWR
1 stop21h 31mUnited Airlines
Deal found 9/16$1,111

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 September 17, 2025.
Use the filters below to find and compare flights from Pennsylvania to Sydney that are best for you.

Fly from

Pennsylvania

Fly to

Sydney

Route

Depart

Return

Price

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Fri 3/13

5:57 pm-9:20 am

2 stops24h 23m

Sydney Kingsford Smith

Fri 3/20

1:05 pm-5:58 pm

1 stop19h 53m

$1,076

NewarkSydney

EWR - SYD

EWRSYD

Newark

Fri 10/24

5:57 pm-7:45 pm

2 stops34h 48m

Sydney Kingsford Smith

Sun 11/2

9:40 pm-3:25 pm

2 stops33h 45m

$1,091

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Fri 10/31

3:43 pm-6:55 am

1 stop24h 12m

Sydney Kingsford Smith

Fri 11/7

6:05 am-2:58 pm

2 stops24h 53m

$1,118

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Sat 2/14

3:55 pm-1:55 pm

2 stops30h 00m

Sydney Kingsford Smith

Sat 2/21

2:05 pm-10:06 pm

1 stop24h 01m

$1,145

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Thu 11/6

3:48 pm-6:55 am

1 stop23h 07m

Sydney Kingsford Smith

Tue 11/18

6:05 am-2:58 pm

2 stops24h 53m

$1,147

NewarkSydney

EWR - SYD

EWRSYD

Newark

Thu 10/30

5:30 pm-7:45 pm

2 stops35h 15m

Sydney Kingsford Smith

Thu 11/6

9:40 pm-5:06 pm

2 stops35h 26m

$1,173

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Thu 12/11

7:06 am-7:45 pm

2 stops44h 39m

Sydney Kingsford Smith

Thu 1/8

9:40 pm-5:31 pm

2 stops35h 51m

$1,206

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Fri 12/12

7:06 am-7:45 pm

2 stops44h 39m

Sydney Kingsford Smith

Thu 1/8

9:40 pm-5:31 pm

2 stops35h 51m

$1,206

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 12/13

7:06 am-7:45 pm

2 stops68h 39m

Sydney Kingsford Smith

Wed 1/7

9:40 pm-5:31 pm

2 stops35h 51m

$1,207

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Tue 11/11

3:55 pm-9:50 pm

2 stops37h 55m

Sydney Kingsford Smith

Tue 11/18

2:10 pm-9:40 pm

2 stops23h 30m

$1,257

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,032). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $1,627). 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 SYD?

Find hourly flight availability from Pennsylvania to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to Sydney as you normally would.

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 24h 23m. Qantas Airways provides one of the quickest options available for as low as $1,076. Pennsylvania and Sydney are separated by a distance of 9605 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 United Airlines. According to our data, you can fly for as low as $608. Users have also found prices from $667 and $692 on Fiji Airways and Qantas Airways, respectively.

  • 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, March is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $1,032). Flying from Pennsylvania to Sydney in December is currently the most expensive (average of $1,627). 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
Manly
Coogee

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Alternative routes for Pennsylvania to Sydney

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Top 7 airlines flying from Pennsylvania to Sydney

Discover the top 7 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$1,170FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$860Average$1,392FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$945Average$1,303FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,220Average$1,548FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$1,294Average$1,794FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,340Average$1,715FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$1,355Average$1,560FlexibilityNo cancel feeOn-time74%

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