Flight Routes from London to Philadelphia

Trip type

Our cheapest offers for flights from London to Philadelphia

Here you can compare cheap flights from London (LON) to Philadelphia (PHL) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Philadelphia. Prices and availability may change at any time.

Flight schedule from London (LON) to Philadelphia (PHL)

Select a travel date in the flight schedule for the route from London (LON) to Philadelphia (PHL) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flights8 of 8
fromto
dep.arr.
durationstopovers
  1. 31 Aug – 6 Sept 2026
  2. 7 – 13 September 2026
  3. 14 – 20 September 2026
    1. LHRPHL
      1 stopover
      1. JetBlue Airways
    2. LHRPHL
      1 stopover
      1. JetBlue Airways
    3. LGWPHL
      1 stopover
      1. Ryanair
      2. American Airlines
    4. LHRPHL
      non-stop
      1. American Airlines
    5. LHRPHL
      non-stop
      1. American Airlines
    6. LHRPHL
      non-stop
      1. American Airlines
    7. LHRPHL
      non-stop
      1. American Airlines
    8. LHRPHL
      non-stop
      1. British Airways

      Tips and tricks to help you find cheap flights from London to Philadelphia

      Favourite airline: Aer Lingus
      55 % of travellers choose to book flights on this route with Aer Lingus, British Airways and Virgin Atlantic.
      Aer Lingus
      29 %
      British Airways
      19 %
      Virgin Atlantic
      7 %
      Stopover flights are the cheapest connection
      Flights with a stopover are on average £325.00 cheaper than direct flights.
      non stop flight
      1 stop
      2 stops
      08h 20min
      11h 10min
      41h 43min
      1.034 £
      709 £
      827 £
      Favourite connection: via Dublin
      The most popular flights on this route are via Dublin and are booked by 52 % of all travellers.
      Route
      bookings
      1 stopover Dublin
      11h 10min, from 709 £
      52 %
      Direct flights
      08h 20min, from 1.034 £
      16 %
      1 stopover Boston Logan
      13h 19min, from 848 £
      13 %

      Flight information: London - Philadelphia

      Outbound and return from 527,29 £
      Flight duration min. 08:10 / max. 08:45
      Return flight duration min. 07:00/ max. 07:25
      Distance 5715 km
      Flights per week 23
      Departure airport Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
      Arrival airport Airport Philadelphia International Airport, PA (PHL)
      Destination country Flights to United States
      Departure airport - Destination country London (LCY, LGW, LHR, LTN, STN, SEN) - United States
      Alternative routes to United States
      Alternative flights to Philadelphia
      Flight destinations with a similar price