£62+ 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 25/10. 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 — LHR
26 Oct — 2 Nov1
1 adult
1 adult, Economy

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 26 September 2025.

Cheapest airline

Frontier

Good round-trip deal

£99 or less

Good one-way deal

£40 or less
On average, Frontier currently has the cheapest one-way flight from Philadelphia (avg. price of £35).
Price to beat on a round-trip flight from Philadelphia.
Price to beat on a one-way flight from Philadelphia.

Find flights from Philadelphia

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 26 September 2025.

Mon 20/1017:12PHL - LAS
1 stop9h 28mFrontier
Thu 23/1000:55LAS - PHL
2 stops21h 12mFrontier
Deal found 25/9£148
Tue 21/1010:33PHL - LAS
1 stop13h 14mFrontier
Fri 24/1021:05LAS - PHL
2 stops18h 39mFrontier
Deal found 23/9£161
Mon 20/1017:21PHL - LAS
Nonstop5h 26mMultiple Airlines
Fri 24/1023:03LAS - PHL
1 stop8h 57mMultiple Airlines
Deal found 25/9£165
Mon 20/1017:21PHL - LAS
Nonstop5h 26mSpirit Airlines
Fri 24/1022:23LAS - PHL
Nonstop4h 52mSpirit Airlines
Deal found 25/9£187
Tue 9/1212:30PHL - LAS
1 stop11h 12mJetBlue
Tue 9/1223:59LAS - PHL
1 stop8h 39mJetBlue
Deal found 24/9£220
Wed 5/1114:25PHL - LAS
1 stop7h 21mDelta
Wed 19/1106:00LAS - PHL
1 stop7h 39mDelta
Deal found 25/9£222
Tue 3/312:00PHL - LAS
1 stop9h 18mJetBlue
Mon 9/323:40LAS - PHL
1 stop8h 35mJetBlue
Deal found 25/9£225
Mon 12/105:40PHL - LAS
2 stops9h 15mSouthwest
Thu 15/106:55LAS - PHL
1 stop6h 50mSouthwest
Deal found 24/9£225
Thu 23/1005:20PHL - LGW
1 stop23h 40mMultiple Airlines
Thu 30/1014:00LGW - PHL
1 stop26h 53mMultiple Airlines
Deal found 25/9£380
Mon 20/1008:15PHL - LGW
2 stops20h 45mMultiple Airlines
Mon 3/1114:00LGW - PHL
1 stop16h 24mMultiple Airlines
Deal found 23/9£398
Mon 20/1005:20PHL - LGW
1 stop23h 40mMultiple Airlines
Mon 27/1013:10LGW - PHL
1 stop27h 43mMultiple Airlines
Deal found 24/9£402
Sun 11/122:00PHL - LGW
2 stops27h 00mMultiple Airlines
Thu 22/114:00LGW - PHL
1 stop15h 40mMultiple Airlines
Deal found 22/9£404

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 26 September 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Tue 9/12

12:30-20:42

1 stop11h 12m

Las Vegas Harry Reid Intl

Tue 9/12

23:59-11:38

1 stop8h 39m

£220

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Sat 14/2

17:20-21:41

1 stop7h 21m

Las Vegas Harry Reid Intl

Wed 18/2

09:05-20:37

1 stop8h 32m

£222

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Sat 21/2

06:15-12:54

1 stop9h 39m

Las Vegas Harry Reid Intl

Wed 25/2

13:20-23:26

1 stop7h 06m

£222

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Tue 13/1

06:10-12:50

2 stops9h 40m

Las Vegas Harry Reid Intl

Tue 20/1

06:30-17:25

1 stop7h 55m

£225

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Mon 12/1

05:40-11:55

2 stops9h 15m

Las Vegas Harry Reid Intl

Thu 15/1

05:00-16:30

1 stop8h 30m

£225

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Tue 9/12

07:06-22:53

1 stop18h 47m

Las Vegas Harry Reid Intl

Thu 11/12

17:07-05:46

1 stop9h 39m

£235

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Mon 12/1

18:35-09:30

1 stop17h 55m

Las Vegas Harry Reid Intl

Thu 15/1

14:00-17:31

1 stop24h 31m

£236

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Sat 11/10

19:00-23:20

1 stop7h 20m

Las Vegas Harry Reid Intl

Fri 17/10

00:45-13:20

1 stop9h 35m

£237

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Sat 18/10

14:25-21:00

1 stop9h 35m

Las Vegas Harry Reid Intl

Mon 20/10

00:45-11:14

1 stop7h 29m

£237

PhiladelphiaLas Vegas

PHL - LAS

PHLLAS

Philadelphia

Thu 11/12

18:47-23:33

1 stop7h 46m

Las Vegas Harry Reid Intl

Mon 22/12

17:25-05:36

1 stop9h 11m

£237

Flights are sorted by cheapest return flights first.

Deals found on 24/9

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 Heathrow. Price data was last updated on 19 September 2025.

Booking 9 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Philadelphia (average of £256). Flying from Philadelphia in June will prove the most costly (average of £430). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Philadelphia

Get insights into the airlines that provide service from Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Philadelphia. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Read through reviews of airlines serving Philadelphia, such as American Airlines, Aer Lingus, andJetBlue. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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.

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 26 September 2025.
  • What are the most popular destinations to fly to from Philadelphia?

    This month, the top selected destinations from Philadelphia are Atlanta, Boston, Chicago. Throughout the year, Atlanta, Boston, Nashville are some of the top choices made by users flying from Philadelphia.

  • What is the cheapest flight from Philadelphia to anywhere?

    Users have flown out of Philadelphia for as low as £30 to Atlanta (prices may vary depending on the airline and departure time). On average, users have booked flights for £254 to fly from Philadelphia.

  • What are the cheapest airlines flying from Philadelphia to anywhere?

    Over the past few days, we've found that Frontier, Spirit Airlines, and Aer Lingus have the cheapest prices from Philadelphia. Frontier flights from Philadelphia to Atlanta Hartsfield-Jackson (£26), Spirit Airlines flights from Philadelphia to Las Vegas Harry Reid Intl (£63), and Aer Lingus flights from Philadelphia to Dublin (£334).

  • What is the cheapest premium economy flight from Philadelphia?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Philadelphia.
    Philadelphia to Detroit Metropolitan Wayne County Airport from £435
    Philadelphia to Atlanta from £612
    Philadelphia to Dublin from £1,317
    Philadelphia to Boston from £1,330

  • What is the cheapest first class flight from Philadelphia?

    If you’re looking for a cheap first-class flight from Philadelphia, consider Dallas. Prices start at £802 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Philadelphia?

    At the present moment the cheapest month to fly from Philadelphia is currently November; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Philadelphia?

    Check out the cheapest flights from Philadelphia to embark to:
    Travel from Philadelphia to London from £359 round trip

  • How does Cheapflights help users find flights from Philadelphia?

    Cheapflights helps you search for flights from Philadelphia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Philadelphia.

  • 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?

    Not ready to book yet? You can track prices for flights from Philadelphia on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

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How does Cheapflights help users find flights from Philadelphia?

Cheapflights helps you search for flights from Philadelphia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Philadelphia.

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?

Not ready to book yet? You can track prices for flights from Philadelphia on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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