Compare all flight tickets and find cheap flights from London to Philadelphia

Cheapest flight

£493

Price observed over the last 3 months for a round trip.

Average price of a round trip

£513

Average price recorded over the last 3 months for a round trip.

Flight duration

7h57

A flight from London to Philadelphia takes on average 7h57.

Best time

June

According to user searches, the ideal month to go to Philadelphia is June.

Tips for finding cheap flights from London to Philadelphia

Check out our tips for booking your flight to Philadelphia (USA) from London (United Kingdom) at the cheapest possible price.

Usually, the cheapest month to pick up a ticket on this route is May, with an average ticket price of £499 (calculation over the last two years). The most touristic season corresponds to the months of August, October and September.
For an attractive price, it is advisable to buy your flight tickets at least 212 days before the departure date.

The airline offering the cheapest tickets is British Airways. A ticket from the company British Airways to Philadelphia costs on average £513.
The airlines that offer the most flights are British Airways and British Airways.

Price of flight tickets from London to Philadelphia

Here is some information and tips to know before booking your flight:

  • Flight ticket prices range from £493 to £563
  • The average price of a flight ticket is about £513
  • Prices are lowest for stays in the month of May
  • The month in which booking a ticket is cheaper is: May
info departure city :
London, United Kingdom
airports :
London City Airport (LCY)
London Gatwick Airport (LGW)
London Heathrow Airport (LHR)
London Luton Airport (LTN)
London-Stansted Airport (STN)
local time :

The city of London (LON) has 5 airport(s): London City, London Gatwick, London Heathrow, London Luton and London-Stansted

destination info :
Philadelphia, USA
airports :
Philadelphia International Airport (PHL)
Northeast Philadelphia Airport (PNE)
local time :

The city of Philadelphia (PHL) has 2 airport(s): Philadelphia International and Northeast Philadelphia

Useful info about Philadelphia

What is the least touristic period to go to Philadelphia?

If you want to visit Philadelphia during the least touristic period, choose the month of June.

What is the most popular time to travel to Philadelphia?

In Philadelphia, the most touristic month is August. It is during this period that the prices offered by airlines are also the highest.

When should I book my flight London - Philadelphia?

According to our data, it is recommended to book your flight 212 days before your departure. If you book your flight 31 weeks before your departure, you may find a price below average. You can also choose morning flights that are 8% cheaper than afternoon and evening flights. The cheapest day to book a flight London - Philadelphia is Friday.

What are the arrival and destination airports when travelling between London and Philadelphia?

When you leave, you can leave from London Heathrow, and you will arrive at Philadelphia International.

How to reach London airport from the city centre?

The airport London City is located 16 km, London Gatwick is located 38 km, London Heathrow is located 35 km, London Luton is located 45 km or London-Stansted is located 49 km from the city centre. You can access it by using public transport, taking a taxi, or renting a car..

Are there other means of transport to go from London to Philadelphia?

Flights are the only means of transport listed on Liligo for this journey.

Are there big differences in weather between London and Philadelphia?

In summer, it is warmer in Philadelphia and it rains less in Philadelphia. In winter, it is colder in Philadelphia and it rains more in Philadelphia.

Prepare your stay in Philadelphia

Discover other cheap flight offers