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Cheap flights from Pennsylvania to Sydney from $662

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SYD
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

$1,337

One-way from

$662

Popular in

December

Cheapest in

September

Average price

$2,145
Delta
  • Delta
  • 27/7-10/8
  • 2 total stops
  • 44h 00m total
  • Pennsylvania to Sydney
Delta
  • Delta
  • 7/8
  • 2 total stops
  • 24h 58m total
  • Pennsylvania to Sydney
Highest demand for flights based on searches. 15% potential increase in price ($621 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($125 potential savings vs. average return price).
Average for round-trip flights in June 2025

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 13 June 2025.

Sun 27/717:10DCA - SYD
1 stop23h 25mDelta
Sun 10/809:25SYD - DCA
1 stop20h 35mDelta
Deal found 11/6$1,337
Wed 29/1015:00IAD - SYD
2 stops25h 35mDelta
Sun 9/1111:05SYD - IAD
2 stops23h 37mDelta
Deal found 11/6$1,343
Mon 8/914:59EWR - SYD
2 stops30h 46mMultiple Airlines
Wed 17/913:15SYD - EWR
2 stops31h 18mMultiple Airlines
Deal found 12/6$1,616
Wed 3/918:40PHL - SYD
2 stops54h 00mMultiple Airlines
Sun 14/917:45SYD - PHL
1 stop34h 17mMultiple Airlines
Deal found 11/6$1,647
Sun 14/915:25PIT - SYD
2 stops25h 55mAir Canada
Sun 5/1010:20SYD - PIT
2 stops43h 21mAir Canada
Deal found 11/6$1,741
Sun 14/917:52PIT - SYD
1 stop23h 13mQantas Airways
Sun 5/1010:10SYD - PIT
1 stop21h 19mQantas Airways
Deal found 12/6$1,819
Sat 1/1119:17DCA - SYD
2 stops26h 13mFiji Airways
Sat 8/1114:30SYD - DCA
2 stops22h 24mFiji Airways
Deal found 10/6$1,845
Sat 1/1118:35PHL - SYD
2 stops26h 55mFiji Airways
Sat 15/1114:30SYD - PHL
2 stops22h 43mFiji Airways
Deal found 11/6$1,845
Fri 8/820:19IAD - SYD
1 stop45h 11mMultiple Airlines
Wed 20/816:20SYD - IAD
2 stops38h 27mMultiple Airlines
Deal found 10/6$1,857
Thu 16/1016:35PIT - SYD
2 stops24h 45mMultiple Airlines
Thu 23/1010:20SYD - PIT
2 stops44h 14mMultiple Airlines
Deal found 12/6$1,914
Sun 14/915:14PIT - SYD
2 stops25h 51mAmerican Airlines
Sun 5/1010:10SYD - PIT
1 stop21h 19mAmerican Airlines
Deal found 12/6$1,931
Tue 2/909:00EWR - SYD
1 stop32h 30mAlaska Airlines
Wed 10/917:45SYD - EWR
1 stop26h 14mAlaska Airlines
Deal found 11/6$1,953

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 13 June 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

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 27/7

17:10-06:35

1 stop23h 25m

Sydney Kingsford Smith

Sun 10/8

09:25-16:00

1 stop20h 35m

$1,337

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 29/10

12:35-07:35

2 stops28h 00m

Sydney Kingsford Smith

Wed 5/11

11:05-18:42

2 stops23h 37m

$1,343

NewarkSydney

EWR - SYD

EWRSYD

Newark

Mon 8/9

14:59-11:45

2 stops30h 46m

Sydney Kingsford Smith

Wed 17/9

13:15-06:33

2 stops31h 18m

$1,616

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Wed 3/9

18:40-14:40

2 stops54h 00m

Sydney Kingsford Smith

Sun 14/9

17:45-14:02

1 stop34h 17m

$1,647

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Sun 14/9

15:25-07:20

2 stops25h 55m

Sydney Kingsford Smith

Sun 5/10

10:20-14:41

2 stops43h 21m

$1,741

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Sun 14/9

17:52-07:05

1 stop23h 13m

Sydney Kingsford Smith

Sun 5/10

10:10-16:29

1 stop21h 19m

$1,819

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 1/11

19:17-12:30

2 stops26h 13m

Sydney Kingsford Smith

Sat 8/11

14:30-20:54

2 stops22h 24m

$1,845

PhiladelphiaSydney

PHL - SYD

PHLSYD

Philadelphia

Sat 1/11

18:35-12:30

2 stops26h 55m

Sydney Kingsford Smith

Sat 15/11

14:30-21:13

2 stops22h 43m

$1,845

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 8/8

20:19-07:30

1 stop45h 11m

Sydney Kingsford Smith

Wed 20/8

16:20-16:47

2 stops38h 27m

$1,857

PittsburghSydney

PIT - SYD

PITSYD

Pittsburgh

Sun 14/9

15:14-07:05

2 stops25h 51m

Sydney Kingsford Smith

Sun 5/10

10:10-16:29

1 stop21h 19m

$1,931

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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 return 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, May is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $129). Flying from Pennsylvania to Sydney in October is currently the most expensive (average of $171). 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 13 June 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.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 13 June 2025.
Read through reviews of airlines operating flights from Pennsylvania to Sydney, such as Air Tahiti Nui, Japan Airlines and ANA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
8.3
Very Good

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Pennsylvania. Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $662. Users have also found prices from $966 and $1,002 on Fiji Airways and Qantas Airways, 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 holiday 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, May is the cheapest month in which you can book a flight from Pennsylvania to Sydney (average of $129). Flying from Pennsylvania to Sydney in October is currently the most expensive (average of $171). 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

Travelling to a place near Pennsylvania?

Book flights to Pennsylvania if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Manly
Penrith
Coogee
Randwick
Cronulla
Terrigal
Lithgow
Bondi Beach
Leura
Swansea

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 2 airlines flying from Pennsylvania to Sydney

Discover the top 2 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 647,157 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,319Average$1,770FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$2,113Average$3,313FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pennsylvania to Sydney?

Cheapflights makes it easy to find Pennsylvania to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Pennsylvania to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Pennsylvania to Sydney.

Can Cheapflights find flights from Pennsylvania to Sydney with no change fees?

Certainly. Search results for flights to Sydney from Pennsylvania shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Pennsylvania to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Pennsylvania to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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