$96+ 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 21/2. 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
4 Mar — 11 Mar1
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 2 February 2026.

Good round-trip deal

$654 or less

Good one-way deal

$208 or less
Price to beat on a round-trip flight from Philadelphia.
Price to beat on a one-way flight from Philadelphia.

Find flights from Philadelphia

Enter your travel dates to find the best prices.

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 2 February 2026.

Sat 7/315:02
PHL
-
LAS
1 stop10h 46m
JetBlue
Sat 14/307:00
LAS
-
PHL
1 stop9h 24m
JetBlue
Deal found 1/2$398
Tue 26/518:35
PHL
-
LAS
1 stop6h 55m
Southwest
Sat 30/505:45
LAS
-
PHL
1 stop6h 20m
Southwest
Deal found 31/1$412
Sat 4/419:55
PHL
-
LAS
1 stop7h 40m
Southwest
Wed 8/410:50
LAS
-
PHL
2 stops8h 10m
Southwest
Deal found 1/2$419
Sat 25/405:35
PHL
-
LAS
2 stops9h 25m
Southwest
Tue 28/410:50
LAS
-
PHL
2 stops8h 10m
Southwest
Deal found 31/1$426
Sat 23/511:50
PHL
-
LAS
1 stop9h 40m
Southwest
Sat 30/508:10
LAS
-
PHL
2 stops11h 05m
Southwest
Deal found 31/1$432
Sat 2/517:00
PHL
-
LAS
2 stops9h 15m
Southwest
Sat 9/509:15
LAS
-
PHL
2 stops9h 20m
Southwest
Deal found 1/2$439
Wed 4/315:02
PHL
-
LAS
1 stop9h 15m
JetBlue
Wed 4/323:59
LAS
-
PHL
1 stop11h 08m
JetBlue
Deal found 1/2$441
Sat 14/319:55
PHL
-
LAS
1 stop7h 40m
Southwest
Sat 21/305:35
LAS
-
PHL
1 stop8h 55m
Southwest
Deal found 1/2$444
Tue 30/610:30
PHL
-
LAS
1 stop7h 36m
United Airlines
Sat 4/713:34
LAS
-
PHL
1 stop8h 52m
United Airlines
Deal found 1/2$449
Sun 29/306:00
PHL
-
LAS
1 stop10h 32m
JetBlue
Thu 2/420:55
LAS
-
PHL
1 stop7h 45m
JetBlue
Deal found 1/2$452
Sat 16/506:15
PHL
-
LAS
2 stops11h 50m
Southwest
Sat 23/509:15
LAS
-
PHL
2 stops9h 20m
Southwest
Deal found 1/2$459
Sat 30/516:30
PHL
-
LAS
1 stop7h 40m
Southwest
Sat 6/609:50
LAS
-
PHL
2 stops11h 05m
Southwest
Deal found 1/2$468

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 2 February 2026. 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

Sat 23/5

11:27-16:54

1 stop8h 27m

Las Vegas Harry Reid Intl

Sat 30/5

23:22-09:00

1 stop6h 38m

$449

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Sat 16/5

16:06-23:10

1 stop10h 04m

Las Vegas Harry Reid Intl

Fri 22/5

00:45-10:32

1 stop6h 47m

$449

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Sat 30/5

16:30-21:10

1 stop7h 40m

Las Vegas Harry Reid Intl

Sat 6/6

09:50-23:55

2 stops11h 05m

$468

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Sat 23/5

06:15-15:05

2 stops11h 50m

Las Vegas Harry Reid Intl

Tue 26/5

06:50-16:50

1 stop7h 00m

$469

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Sat 28/2

05:55-13:45

2 stops10h 50m

Las Vegas Harry Reid Intl

Sat 7/3

12:25-23:25

2 stops8h 00m

$489

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Sat 14/3

12:10-19:05

2 stops9h 55m

Las Vegas Harry Reid Intl

Wed 18/3

11:25-22:40

2 stops8h 15m

$489

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Sat 21/2

16:10-21:50

2 stops8h 40m

Las Vegas Harry Reid Intl

Sat 28/2

08:15-21:55

2 stops10h 40m

$489

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Fri 29/5

15:15-23:52

1 stop11h 37m

Las Vegas Harry Reid Intl

Wed 3/6

20:52-09:13

1 stop9h 21m

$495

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Tue 28/4

09:10-15:50

2 stops9h 40m

Las Vegas Harry Reid Intl

Sat 2/5

09:25-21:35

2 stops9h 10m

$527

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Sat 16/5

06:15-15:05

2 stops11h 50m

Las Vegas Harry Reid Intl

Fri 22/5

10:30-23:45

2 stops10h 15m

$534

Flights are sorted by cheapest return flights first.

Deals found on 30/1

Showing 1-10 of 54 results
1
2
3
...
6

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 30 January 2026.

The best time to book flights from Philadelphia is 47 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 $1,369). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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.

Direct flights from Pennsylvania

Book a direct flight from one of these other cities located in Pennsylvania.

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 2 February 2026.
  • What are the most popular destinations to fly to from Philadelphia?

    For the current month, the most popular flights from Philadelphia are Cancún, Atlanta, Boston. Atlanta, Cancún, Boston 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 $208 to Tampa (prices may vary depending on the airline and departure time). On average, users have booked flights for $1,047 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 $1,385
    Fly from Philadelphia to Frankfurt am Main Airport starting at $3,143

  • 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 $1,130 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.

See more FAQs

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 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.

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.