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£49+ 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 18/1. 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
11 Jan — 18 Jan1
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 12 December 2025.

Cheapest round-trip flight

£327

Cheapest airline

Frontier

Good round-trip deal

£40 or less

Good one-way deal

£42 or less
The cheapest round-trip flight from Philadelphia is currently to London Heathrow.
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On average, Frontier currently has the cheapest one-way flight from Philadelphia (avg. price of £35).
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Price to beat on a round-trip flight from Philadelphia.
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Price to beat on a one-way flight from Philadelphia.
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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 12 December 2025.

Sat 24/108:20PHL - ORD
1 stop13h 43mSpirit Airlines
Sat 31/107:20ORD - PHL
1 stop11h 41mSpirit Airlines
Deal found 10/12£94
Sun 25/105:30PHL - ORD
1 stop9h 07mFrontier
Sun 1/216:33ORD - PHL
1 stop6h 56mFrontier
Deal found 11/12£96
Sat 14/210:06PHL - ORD
Nonstop2h 33mUnited Airlines
Sat 14/214:10ORD - PHL
Nonstop2h 04mUnited Airlines
Deal found 11/12£100
Tue 13/113:10PHL - ORD
Nonstop2h 30mUnited Airlines
Tue 20/108:56ORD - PHL
Nonstop2h 11mUnited Airlines
Deal found 9/12£104
Sat 24/110:35PHL - ORD
Nonstop2h 42mAmerican Airlines
Sat 31/117:26ORD - PHL
Nonstop1h 59mAmerican Airlines
Deal found 10/12£105
Thu 1/106:35PHL - ORD
Nonstop2h 28mUnited Airlines
Tue 6/114:30ORD - PHL
Nonstop2h 04mUnited Airlines
Deal found 10/12£111
Sat 31/106:30PHL - ORD
Nonstop2h 29mUnited Airlines
Sun 1/208:56ORD - PHL
Nonstop2h 11mUnited Airlines
Deal found 10/12£118
Tue 6/106:30PHL - ORD
Nonstop2h 28mUnited Airlines
Wed 7/114:30ORD - PHL
Nonstop2h 03mUnited Airlines
Deal found 10/12£119
Mon 4/515:15PHL - ORD
1 stop5h 11mJetBlue
Tue 5/509:30ORD - PHL
1 stop9h 00mJetBlue
Deal found 10/12£122
Sun 25/122:45PHL - ORD
2 stops13h 37mMultiple Airlines
Sun 1/216:33ORD - PHL
1 stop6h 56mMultiple Airlines
Deal found 11/12£125
Wed 7/110:10PHL - ORD
Nonstop2h 28mUnited Airlines
Sun 11/118:20ORD - PHL
Nonstop2h 16mUnited Airlines
Deal found 10/12£125
Tue 10/213:10PHL - ORD
Nonstop2h 30mUnited Airlines
Thu 12/207:25ORD - PHL
Nonstop1h 59mUnited Airlines
Deal found 11/12£126

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

Fly to

Heathrow

Route

Depart

Return

Price

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Sat 10/1

10:10-11:38

Nonstop2h 28m

Chicago O'Hare Intl

Sat 17/1

14:30-17:34

Nonstop2h 04m

£104

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 31/12

06:35-08:03

Nonstop2h 28m

Chicago O'Hare Intl

Thu 1/1

11:00-14:11

Nonstop2h 11m

£104

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 26/1

17:00-18:30

Nonstop2h 30m

Chicago O'Hare Intl

Sat 31/1

11:20-14:31

Nonstop2h 11m

£118

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 4/5

15:15-19:26

1 stop5h 11m

Chicago O'Hare Intl

Tue 5/5

09:30-19:30

1 stop9h 00m

£122

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 7/1

10:10-11:38

Nonstop2h 28m

Chicago O'Hare Intl

Sun 11/1

18:20-21:36

Nonstop2h 16m

£125

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 23/1

06:30-07:59

Nonstop2h 29m

Chicago O'Hare Intl

Sun 25/1

18:20-21:36

Nonstop2h 16m

£132

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 25/12

06:35-08:03

Nonstop2h 28m

Chicago O'Hare Intl

Wed 31/12

14:25-17:28

Nonstop2h 03m

£156

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 14/4

06:00-10:44

1 stop5h 44m

Chicago O'Hare Intl

Fri 17/4

18:26-00:13

1 stop4h 47m

£176

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 24/2

10:06-11:39

Nonstop2h 33m

Chicago O'Hare Intl

Sun 1/3

07:25-10:24

Nonstop1h 59m

£199

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 31/12

06:35-08:03

Nonstop2h 28m

Chicago O'Hare Intl

Sun 4/1

18:15-21:31

Nonstop2h 16m

£208

Flights are sorted by cheapest return flights first.

Deals found on 10/12

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 5 December 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, February is the cheapest month in which you can book a flight from Philadelphia (average of £291). Flying from Philadelphia in June will prove the most costly (average of £431). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Philadelphia?

Many airlines operate round-trip flights from Philadelphia: British Airways, American Airlines, Aer Lingus, JetBlue. These airlines fly to the following popular destinations: London.

British Airways
British Airways
From £383
Frontier
Frontier
From £26
American Airlines
American Airlines
From £182
Aer Lingus
Aer Lingus
From £392

What are popular destinations to fly to from Philadelphia?

If you’re flying from Philadelphia, these routes are more frequently taken by airlines Chicago (468 flights per day), Detroit (322 flights per day) and Atlanta (311 flights per day).

London
London
From £327
Rome
Rome
From £602
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £42
Fort Lauderdale
Fort Lauderdale
From £29

What is the cheapest place to fly to from Philadelphia?

The cheapest city to fly to from Philadelphia is Fort Lauderdale, with prices starting at £29. Explore other affordable destinations below.

Fort Lauderdale
Fort Lauderdale
From £29
Miami
Miami
From £37
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £42
Jacksonville
Jacksonville
From £80

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.
American Airlines
7.2
Good
11,050 reviews
Check prices

Food

6.5

Boarding

7.5

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews
Check prices

Food

6.5

Boarding

7.5

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
Aer Lingus
7.2
Good
1,394 reviews
American Airlines
7.2
Good
11,050 reviews
Check prices

Food

6.5

Boarding

7.5

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
JetBlue
7.2
Good
2,899 reviews
American Airlines
7.2
Good
11,050 reviews
Check prices

Food

6.5

Boarding

7.5

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
British Airways
6.7
Okay
7,571 reviews
American Airlines
7.2
Good
11,050 reviews
Check prices

Food

6.5

Boarding

7.5

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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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 Harrisburg

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 12 December 2025.

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

    This month, the top selected destinations from Philadelphia are Cancún, Atlanta, Boston. Throughout the year, Atlanta, Cancún, Boston 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 £29 to Fort Lauderdale (prices may vary depending on the airline and departure time). On average, users have booked flights for £323 to fly from Philadelphia.

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

    Over the past few days, we've found that Frontier, American Airlines, and British Airways have the cheapest prices from Philadelphia. Frontier flights from Philadelphia to Atlanta Hartsfield-Jackson (£26), American Airlines flights from Philadelphia to London Heathrow (£182), and British Airways flights from Philadelphia to Rome Fiumicino (£383).

  • 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 £436
    Philadelphia to Atlanta from £612
    Philadelphia to Montreal Pierre Elliott Trudeau Intl Airport from £1,257
    Philadelphia to Dublin from £1,318

  • 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 £803 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 February; 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 £387 round trip
    Travel from Philadelphia to Edinburgh from £468 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.

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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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