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$111+ Cheap flights from Philadelphia

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHL — SYD
18 Dec — 25 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Philadelphia

Discover essential information about flights departing from Philadelphia, including flight schedules, destinations, airlines operating at the Philadelphia airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 18 November 2025.

Good one-way deal

$1,066 or less
Price to beat on a one-way flight from Philadelphia.
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Find flights from Philadelphia

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Cheapest flights from Philadelphia
Explore the most affordable flight options available from Philadelphia. Find the lowest fares based on data from user searches, with prices last updated on 18 November 2025.

Fri 5/1212:30PHL - LAS
1 stop11h 12mJetBlue
Mon 8/1211:16LAS - PHL
1 stop8h 57mJetBlue
Deal found 16/11$407
Wed 10/1207:00PHL - LAX
1 stop12h 45mJetBlue
Wed 10/1222:45LAX - PHL
1 stop9h 53mJetBlue
Deal found 14/11$422
Tue 9/1207:00PHL - LAX
1 stop10h 57mJetBlue
Sun 14/1221:56LAX - PHL
1 stop8h 43mJetBlue
Deal found 15/11$425
Mon 1/1211:45PHL - LAX
1 stop10h 30mJetBlue
Fri 5/1222:30LAX - PHL
1 stop10h 40mJetBlue
Deal found 16/11$441
Wed 17/1210:15PHL - LAS
1 stop7h 51mUnited Airlines
Tue 6/100:59LAS - PHL
1 stop7h 36mUnited Airlines
Deal found 15/11$442
Tue 21/406:15PHL - LAS
1 stop9h 28mDelta
Wed 6/517:30LAS - PHL
1 stop9h 13mDelta
Deal found 15/11$450
Tue 13/107:00PHL - LAX
1 stop12h 42mJetBlue
Wed 11/208:30LAX - PHL
1 stop12h 04mJetBlue
Deal found 16/11$453
Fri 9/108:40PHL - LAX
1 stop11h 58mJetBlue
Wed 11/208:30LAX - PHL
1 stop12h 04mJetBlue
Deal found 16/11$456
Sat 6/1207:00PHL - LAX
1 stop10h 57mJetBlue
Sat 13/1220:48LAX - PHL
1 stop9h 51mJetBlue
Deal found 15/11$458
Tue 16/1210:33PHL - LAS
2 stops9h 30mUnited Airlines
Tue 23/1223:53LAS - PHL
1 stop7h 02mUnited Airlines
Deal found 16/11$458
Tue 12/515:15PHL - LAX
1 stop10h 17mJetBlue
Sun 17/522:30LAX - PHL
1 stop9h 45mJetBlue
Deal found 15/11$459
Wed 14/107:00PHL - LAX
1 stop12h 42mJetBlue
Wed 11/208:30LAX - PHL
1 stop12h 04mJetBlue
Deal found 16/11$461

Find flights from Philadelphia within your budget

 
Find flights departing from Philadelphia that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 18 November 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Tue 21/4

17:00-21:49

1 stop7h 49m

Las Vegas Harry Reid Intl

Sat 25/4

19:48-07:45

1 stop8h 57m

$450

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Tue 21/4

08:25-15:20

1 stop9h 55m

Las Vegas Harry Reid Intl

Fri 24/4

00:45-10:33

1 stop6h 48m

$450

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Wed 15/4

06:15-12:43

1 stop9h 28m

Las Vegas Harry Reid Intl

Tue 21/4

23:25-08:36

1 stop6h 11m

$450

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Wed 29/4

06:45-12:40

1 stop8h 55m

Las Vegas Harry Reid Intl

Fri 1/5

00:45-10:33

1 stop6h 48m

$450

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Tue 21/4

18:30-22:50

1 stop7h 20m

Las Vegas Harry Reid Intl

Tue 5/5

00:45-10:33

1 stop6h 48m

$450

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Tue 24/3

06:00-13:25

1 stop10h 25m

Los Angeles

Wed 25/3

22:59-11:15

1 stop9h 16m

$459

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Sun 15/3

06:00-13:07

1 stop10h 07m

Los Angeles

Tue 17/3

09:00-23:42

1 stop11h 42m

$459

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Wed 1/4

06:00-12:25

1 stop9h 25m

Los Angeles

Tue 7/4

22:45-11:15

1 stop9h 30m

$459

PhiladelphiaLos Angeles

PHL - LAX

PHLLAX

Philadelphia

Mon 12/1

08:40-17:38

1 stop11h 58m

Los Angeles

Sat 14/2

10:55-22:45

1 stop8h 50m

$459

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Tue 12/5

15:15-23:52

1 stop11h 37m

Las Vegas Harry Reid Intl

Fri 15/5

20:52-09:13

1 stop9h 21m

$462

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 60 results
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Best time to book a flight from Philadelphia

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

Travel insights for flights from Philadelphia

Get recent, data-driven insights about flights from Philadelphia including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Philadelphia?

Use this chart to determine the optimal time to book a return flight from Philadelphia to Sydney. Price data was last updated on 14 November 2025.

The best time to book flights from Philadelphia is 27 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 Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Philadelphia (average of $619). Flying from Philadelphia in January will prove the most costly (average of $1,457). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Philadelphia?

Philadelphia offers frequent flights to Chicago (435 flights per day), Orlando (316 flights per day) and Atlanta (312 flights per day).

Chicago
Chicago
From $2,018
London
London
From $1,291
Montreal
Montreal
From $1,066

What is the cheapest place to fly to from Philadelphia?

The cheapest city to fly to from Philadelphia is Montreal, with prices starting at $1,066. Explore other affordable destinations below.

Montreal
Montreal
From $1,066
London
London
From $1,291
Chicago
Chicago
From $2,018

Browse thousands of different options on Cheapflights for your next trip

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Direct flights from Pennsylvania

Book a direct flight from one of these other cities located in Pennsylvania.
Direct flights from Pittsburgh
Direct flights from Allentown

Related info for your journey

Access useful and relevant information related to your journey from Philadelphia. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 18 November 2025.

  • What are the most popular destinations to fly to from Philadelphia?

    For the current month, the most popular flights from Philadelphia are Atlanta, Boston, Chicago. Atlanta, Boston, Nashville are the most popular locations from Philadelphia year round.

  • What is the cheapest flight from Philadelphia to anywhere?

    Users have flown out of Philadelphia for as low as $1,066 to Montreal Pierre Elliott Trudeau Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $1,545 to fly from Philadelphia.

  • What is the cheapest premium economy flight from Philadelphia?

    Options for some of the cheapest premium economy flights from Philadelphia we have found on Cheapflights are as follows:
    Fly from Philadelphia to Chicago O'Hare Intl Airport starting at $1,481
    Fly from Philadelphia to Frankfurt am Main Airport starting at $3,362

  • What is the cheapest first class flight from Philadelphia?

    If you’re looking to fly first-class from Philadelphia to anywhere, put Charlotte on your list as prices start at $1,208 for this destination.

  • What is the cheapest month to fly from Philadelphia?

    Currently, the cheapest month for flights from Philadelphia is August. The most expensive month for flights is January. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from Philadelphia?

    When you search for this flight from Philadelphia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Philadelphia for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Philadelphia with no change fees?

    Need flexible booking options for your flight from Philadelphia ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

    Of course! You can now track prices for flights from Philadelphia and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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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 Philadelphia?

When you search for this flight from Philadelphia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Philadelphia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Philadelphia with no change fees?

Need flexible booking options for your flight from Philadelphia ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Philadelphia and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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