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Cheap flights from Sydney to Philadelphia from $776

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PHL
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Philadelphia are usually found in February or March, booked 17 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Sydney to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 March 2025.

Round-trip from

$1,570

One-way from

$776

Popular in

December

Cheapest in

February

Average price

$1,263
Air Canada
  • Air Canada
  • 27/5-31/5
  • 4 total stops
  • 93h 16m total
  • Sydney to Philadelphia
10/5
  • 10/5
  • 3 total stops
  • 30h 35m total
  • Sydney to Philadelphia
Highest demand for flights based on searches. 17% potential increase in price ($757 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($149 potential savings vs. average return price).
Average for round-trip flights in March 2025

Find flight deals from Sydney to Philadelphia

Cheapest flights from Sydney to Philadelphia
Explore the most affordable flight options available from Sydney to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Thu 20/1111:20SYD - PHL
2 stops43h 30mAir Canada
Sat 29/1115:30PHL - SYD
2 stops26h 05mAir Canada
Deal found 23/3$1,564
Tue 27/517:45SYD - PHL
1 stop27h 05mMultiple Airlines
Sat 31/517:34PHL - SYD
1 stop23h 56mMultiple Airlines
Deal found 24/3$1,805
Tue 27/510:20SYD - PHL
1 stop20h 37mUnited Airlines
Sat 31/518:05PHL - SYD
2 stops46h 55mUnited Airlines
Deal found 24/3$1,826
Wed 15/1010:10SYD - PHL
1 stop35h 50mQantas Airways
Fri 24/1017:25PHL - SYD
1 stop23h 40mQantas Airways
Deal found 24/3$1,855
Thu 20/1111:15SYD - PHL
1 stop22h 32mAmerican Airlines
Sat 29/1115:29PHL - SYD
1 stop23h 26mAmerican Airlines
Deal found 23/3$1,902
Fri 27/609:25SYD - PHL
2 stops34h 26mDelta
Thu 17/705:55PHL - SYD
2 stops34h 40mDelta
Deal found 24/3$2,140
Fri 27/610:20SYD - PHL
1 stop33h 06mVirgin Australia
Thu 17/706:30PHL - SYD
1 stop34h 25mVirgin Australia
Deal found 24/3$2,957
Wed 15/1019:25SYD - PHL
3 stops58h 01mAir Tahiti Nui
Fri 24/1018:48PHL - SYD
3 stops34h 52mAir Tahiti Nui
Deal found 24/3$3,267
Fri 25/406:00SYD - PHL
2 stops53h 39mEmirates
Thu 1/512:54PHL - SYD
2 stops38h 26mEmirates
Deal found 24/3$27,287

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney to Philadelphia 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 25 March 2025.
Use the filters below to find and compare flights from Sydney to Philadelphia that are best for you.

Fly from

Sydney

Fly to

Philadelphia

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 27/5

09:20-14:36

2 stops43h 16m

Philadelphia

Sat 31/5

15:20-07:20

2 stops50h 00m

$1,570

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 7/5

09:10-20:12

1 stop25h 02m

Philadelphia

Wed 14/5

18:00-07:05

1 stop23h 05m

$1,782

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 7/5

17:45-05:44

2 stops25h 59m

Philadelphia

Wed 14/5

18:00-07:30

1 stop23h 30m

$1,783

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 27/5

10:20-16:57

1 stop20h 37m

Philadelphia

Sat 31/5

18:05-07:00

2 stops46h 55m

$1,826

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 10/4

09:10-23:54

1 stop28h 44m

Philadelphia

Tue 22/4

18:05-07:05

1 stop23h 00m

$2,052

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 27/6

09:25-05:51

2 stops34h 26m

Philadelphia

Thu 17/7

05:55-06:35

2 stops34h 40m

$2,140

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 27/6

10:20-05:26

1 stop33h 06m

Philadelphia

Thu 17/7

06:30-06:55

1 stop34h 25m

$2,957

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Thu 10/4

07:10-23:54

3 stops30h 44m

Philadelphia

Tue 22/4

16:10-17:50

3 stops35h 40m

$4,575

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 10/5

13:45-06:20

3 stops30h 35m

$776

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 21/4

17:45-07:10

1 stop27h 25m

$1,958

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 11 results
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Best time to book a flight from Sydney to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Sydney 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 Sydney to Philadelphia

How far ahead should I book a flight from Sydney to Philadelphia?

Use this chart to determine the optimal time to book a return flight from Sydney to Philadelphia. Price data was last updated on 21 March 2025.

The best time to book flights from Sydney to Philadelphia is 17 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest time of day to fly from SYD to PHL?

Find hourly flight availability from Sydney to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

One of the essential ways to save on airfare from Sydney to Philadelphia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 29% on airfare.

Rainfall in Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

Temperature in Philadelphia by month

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

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated 25 March 2025.

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Boarding

8.7

Crew

9.1

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.

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Boarding

8.7

Crew

9.1

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.
8.0
Very Good

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Boarding

8.7

Crew

9.1

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.

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Boarding

8.7

Crew

9.1

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.

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Boarding

8.7

Crew

9.1

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.

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Boarding

8.7

Crew

9.1

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 Sydney to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Sydney to Philadelphia round-trip?

    Air Canada, at $1,570, was found to be the cheapest airline from Sydney to Philadelphia.Alternate airlines to your destination round-trip include Qantas Airways and United Airlines. Users have found that Air Canada is 28% cheaper than the other options available to this destination.

  • Can I find deals for flights from Sydney to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Sydney to Philadelphia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Philadelphia?

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

  • Can I find deals for business class flights from Sydney to Philadelphia?

    Yes. Cheapflights offers flight deals from Sydney to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Fly from Sydney to Philadelphia on these airlines

Choose from the following airlines for your flight from Sydney to Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on 25 March 2025.

Top 6 airlines flying from Sydney to Philadelphia

Discover the top 6 airlines that operate flights from Sydney to Philadelphia. 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,224Average$1,247FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,576Average$2,042FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,667Average$1,965FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,773Average$2,665FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,828Average$2,138FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,900Average$2,892FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Sydney to Philadelphia 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 Sydney to Philadelphia?

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to Philadelphia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Philadelphia flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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