$647+ Cheap flights to Philadelphia

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
— PHL
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Flights to Philadelphia in 2025

Find the latest flights to Philadelphia in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 12 September 2025.

Return from

$1,300

One-way from

$647

Popular in

December

Cheapest in

February

Average price

$2,523
Air Canada
  • Air Canada
  • 6/3-10/3
  • 4 total stops
  • 69h 32m total
  • Sydney to Philadelphia
15/10
  • 15/10
  • 2 total stops
  • 52h 42m total
  • Sydney to Philadelphia
Highest demand for flights based on searches. 16% potential increase in price ($633 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($125 potential savings vs. average return price).
Average for return flights in September 2025

Find flight deals to Philadelphia

Cheapest flights to Philadelphia
Explore the most affordable flight options available to Philadelphia. Find the lowest fares based on data from user searches, with prices last updated on 12 September 2025.

Tue 7/1010:20SYD - PHL
2 stops50h 18mAir Canada
Sun 12/1007:30PHL - SYD
2 stops33h 50mAir Canada
Deal found 11/9$1,315
Mon 27/1010:20SYD - PHL
2 stops43h 27mAir Canada
Sun 9/1116:35PHL - SYD
2 stops49h 00mAir Canada
Deal found 10/9$1,368
Sun 26/1010:20SYD - PHL
3 stops43h 27mAir Canada
Sun 2/1115:30PHL - SYD
3 stops50h 05mAir Canada
Deal found 11/9$1,392
Sat 25/1010:10SYD - PHL
1 stop35h 52mMultiple Airlines
Sat 1/1108:00PHL - SYD
2 stops34h 00mMultiple Airlines
Deal found 10/9$1,476
Mon 27/1017:45SYD - PHL
1 stop28h 17mMultiple Airlines
Mon 3/1107:40PHL - SYD
2 stops31h 45mMultiple Airlines
Deal found 12/9$1,488
Sun 26/1017:45SYD - PHL
1 stop28h 17mMultiple Airlines
Sun 2/1105:19PHL - SYD
2 stops33h 06mMultiple Airlines
Deal found 11/9$1,512
Mon 27/1010:20SYD - PHL
3 stops43h 27mMultiple Airlines
Sun 9/1115:48PHL - SYD
2 stops25h 47mMultiple Airlines
Deal found 10/9$1,526
Sun 26/1011:20SYD - PHL
1 stop23h 59mQantas Airways
Sun 2/1115:55PHL - SYD
1 stop25h 05mQantas Airways
Deal found 11/9$1,577
Mon 27/1010:20SYD - PHL
2 stops43h 27mAir Canada
Mon 3/1115:30PHL - SYD
3 stops50h 05mAir Canada
Deal found 12/9$1,580
Tue 7/1010:10SYD - PHL
1 stop20h 50mAmerican Airlines
Sun 12/1016:04PHL - SYD
1 stop23h 01mAmerican Airlines
Deal found 11/9$1,589

Cheapflights Fare Finder

 
Locate flights to Philadelphia that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 12 September 2025.
Use the filters below to find and compare flights to Philadelphia that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 7/10

10:20-21:38

2 stops50h 18m

Philadelphia

Sun 12/10

07:30-08:20

2 stops33h 50m

$1,315

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 27/10

10:20-14:47

2 stops43h 27m

Philadelphia

Sun 9/11

16:35-09:35

2 stops49h 00m

$1,368

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 26/10

10:20-14:47

3 stops43h 27m

Philadelphia

Sun 2/11

15:30-09:35

3 stops50h 05m

$1,392

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sat 25/10

10:10-07:02

1 stop35h 52m

Philadelphia

Sat 1/11

08:00-09:00

2 stops34h 00m

$1,476

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 27/10

17:45-07:02

1 stop28h 17m

Philadelphia

Mon 3/11

07:40-07:25

2 stops31h 45m

$1,488

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 26/10

17:45-07:02

1 stop28h 17m

Philadelphia

Sun 2/11

05:19-06:25

2 stops33h 06m

$1,512

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Mon 27/10

10:20-14:47

3 stops43h 27m

Philadelphia

Sun 9/11

15:48-09:35

2 stops25h 47m

$1,526

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Sun 26/10

11:20-20:19

1 stop23h 59m

Philadelphia

Sun 2/11

15:55-09:00

1 stop25h 05m

$1,577

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Tue 7/10

10:10-19:35

2 stops24h 25m

Philadelphia

Sun 12/10

16:04-06:05

1 stop23h 01m

$1,589

SydneyPhiladelphia

SYD - PHL

SYDPHL

Sydney Kingsford Smith

Wed 15/10

17:20-06:15

3 stops51h 55m

$674

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 15 results
1
2

Best time to book a flight to Philadelphia

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

When is the best time to book a flight 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 29 August 2025.

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 12 September 2025.
Get a feel of what it's like to fly with Delta, Qantas Airways, andUnited Airlines to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very Good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

FAQs about flying to Philadelphia

  • What airport do you fly into for flights to Philadelphia?

    Booking a flight to Philadelphia (PHL) is your only option if you intend on flying to Philadelphia. It is only a 11.2 km journey from Philadelphia to Philadelphia’s city centre.

  • Can I find cheaper flights to Philadelphia if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Philadelphia on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Philadelphia?

    Based on reviews from Cheapflights users, Delta is rated the highest out of the airlines that fly to Philadelphia.

  • What is the cheapest airport to fly to in Philadelphia?

    Philadelphia is currently the cheapest airport to fly to in Philadelphia. One-way flights to Philadelphia typically cost $68, while return flights cost around $536.

  • How much is a return flight to Philadelphia?

    A return flight to Philadelphia will typically cost around $528, however they can be found for as little as $355.

  • Where does the fastest flight to Philadelphia depart from?

    For those looking to save time traveling to Philadelphia, Brisbane offers the quickest one-way flight (21 hours 25 minutes).

  • Which airport is closest to Rittenhouse Square?

    f being close to Rittenhouse Square is important to you, you’ll want to land at New York John F Kennedy Intl Airport.

  • Does Philadelphia have car hire?

    Yes. Those touching down at Philadelphia can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Philadelphia?

    Yes. Philadelphia has hotels nearby for those requiring accommodations. Philadelphia Airport Marriott is the closest property to Philadelphia (0.0 km away from Philadelphia).

See more FAQs

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.

Search flights to Philadelphia by cabin class

Find flights to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 to Philadelphia?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Philadelphia today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets to Philadelphia?

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 to Philadelphia.

Can Cheapflights find flights to Philadelphia with no change fees?

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

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

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.