Cheap flights from Sydney to Philadelphia from $1,060

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PHL
9 Jan — 16 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Philadelphia are usually found in February or March, booked 59 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Sydney to Philadelphia

Enter your travel dates to find the best prices.

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 10 December 2025.

Wed 24/1211:20SYD - PHL
2 stops24h 14mAmerican Airlines
Sun 11/106:15PHL - SYD
1 stop34h 45mAmerican Airlines
Deal found 8/12$2,821
Thu 25/1217:45SYD - PHL
1 stop37h 25mAmerican Airlines
Sun 11/118:35PHL - SYD
1 stop22h 25mAmerican Airlines
Deal found 8/12$2,832
Wed 24/1211:20SYD - PHL
1 stop37h 52mAmerican Airlines
Tue 6/115:35PHL - SYD
2 stops30h 50mAmerican Airlines
Deal found 8/12$2,861
Thu 25/1217:45SYD - PHL
1 stop29h 43mAmerican Airlines
Mon 12/117:39PHL - SYD
2 stops26h 36mAmerican Airlines
Deal found 8/12$2,871
Wed 24/1211:20SYD - PHL
2 stops24h 34mAmerican Airlines
Fri 9/115:07PHL - SYD
2 stops25h 53mAmerican Airlines
Deal found 8/12$2,897
Thu 25/1217:45SYD - PHL
1 stop31h 27mAmerican Airlines
Sat 10/118:35PHL - SYD
1 stop22h 25mAmerican Airlines
Deal found 8/12$2,907
Fri 26/1211:20SYD - PHL
2 stops28h 39mAmerican Airlines
Tue 6/115:35PHL - SYD
2 stops30h 50mAmerican Airlines
Deal found 8/12$2,936
Fri 26/1211:20SYD - PHL
1 stop28h 31mAmerican Airlines
Thu 8/118:35PHL - SYD
1 stop22h 25mAmerican Airlines
Deal found 8/12$2,972
Wed 24/1211:20SYD - PHL
1 stop22h 10mAmerican Airlines
Wed 7/115:35PHL - SYD
1 stop23h 20mAmerican Airlines
Deal found 8/12$3,117
Thu 25/1217:45SYD - PHL
2 stops29h 15mAmerican Airlines
Wed 7/113:50PHL - SYD
2 stops25h 05mAmerican Airlines
Deal found 8/12$3,127
Tue 23/1221:40SYD - PHL
2 stops36h 04mAlaska Airlines
Sun 11/119:06PHL - SYD
2 stops56h 39mAlaska Airlines
Deal found 8/12$3,157

Find 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 10 December 2025.

Round-trip from

$2,083

One-way from

$1,060

Popular in

May

Cheapest in

February

Average price

$2,555
Air Canada
  • Air Canada
  • 25/2-1/3
  • 4 total stops
  • 69h 32m total
  • Sydney to Philadelphia
17/1
  • 17/1
  • 3 total stops
  • 34h 14m total
  • Sydney to Philadelphia
Highest demand for flights based on searches. 6% potential increase in price ($201 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($118 potential savings vs. average return price).
Average for round-trip flights in December 2025

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 10 December 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

Wed 25/2

11:20-14:47

2 stops43h 27m

Philadelphia

Sun 1/3

15:30-09:35

2 stops26h 05m

$2,083

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 23/1

11:20-14:47

2 stops43h 27m

Philadelphia

Fri 30/1

07:50-09:35

2 stops33h 45m

$2,165

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 23/1

21:30-14:53

2 stops33h 23m

Philadelphia

Fri 30/1

14:30-09:00

1 stop26h 30m

$2,223

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/4

20:45-18:31

2 stops35h 46m

Philadelphia

Sat 25/4

20:30-17:10

1 stop30h 40m

$2,522

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 21/4

11:50-14:26

2 stops40h 36m

Philadelphia

Sat 25/4

06:15-09:25

2 stops37h 10m

$2,604

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 25/2

21:40-09:30

1 stop51h 50m

Philadelphia

Sun 1/3

19:55-18:50

1 stop30h 55m

$2,743

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 24/12

11:20-19:34

2 stops24h 14m

Philadelphia

Sun 11/1

06:15-09:00

1 stop34h 45m

$2,821

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 17/1

17:00-11:14

3 stops34h 14m

$1,060

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Fri 16/1

21:30-11:14

3 stops53h 44m

$1,071

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 1/3

07:00-00:51

3 stops57h 51m

$1,113

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 15 results
1
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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 5 December 2025.

The best time to book flights from Sydney to Philadelphia is 59 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 month to book a flight from Sydney to Philadelphia?

Currently, November is the cheapest month in which you can book a flight from Sydney to Philadelphia (average of $642). Flying from Sydney to Philadelphia in April is currently the most expensive (average of $1,472). 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 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 10 December 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 28% on airfare.

How much does it cost for a return flight from Sydney to Philadelphia?

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 10 December 2025.
Get a feel of what it's like to fly with Delta, Qantas Airways, andUnited Airlines from Sydney to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.
  • How long is the flight from Sydney to Philadelphia?

    Departing from Sydney to Philadelphia will take you 43h 27m. The distance between Sydney and Philadelphia is about 15871 km.

  • What are the cheapest airlines flying from Sydney to Philadelphia round-trip?

    United Airlines, at $642, was found to be the cheapest airline from Sydney to Philadelphia.Alternate airlines to your destination round-trip include Delta and Air Canada. Users have found that United Airlines is 68% 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.

  • What is the cheapest month to book a flight from Sydney to Philadelphia?

    Currently, November is the cheapest month in which you can book a flight from Sydney to Philadelphia (average of $642). Flying from Sydney to Philadelphia in April is currently the most expensive (average of $1,472). 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

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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 10 December 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 10 December 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,159Average$1,181FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$1,206Average$2,246FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,448Average$1,730FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,655Average$2,715FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,656Average$1,854FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
American AirlinesCheapest$1,765Average$1,915FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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