Flight Routes from London Heathrow to Philadelphia

Compare cheap outbound and return flights from London Heathrow (LHR) to Philadelphia (PHL) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€528
Fastest outbound flight
Fastest inbound flight
non-stop flights
23x / week
Flight distance
5,696 km
Time difference

Flight schedule from London Heathrow (LHR) to Philadelphia (PHL)

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

offers
Active filtersnone
Matching outbound flights5 of 5
fromto
dep.arr.
durationstopovers
  1. 12 – 18 October 2026
  2. 19 – 25 October 2026
  3. 26 Oct – 1 Nov 2026
    1. LHRPHL
      non-stop
      1. American Airlines
    2. LHRPHL
      non-stop
      1. American Airlines
    3. LHRPHL
      non-stop
      1. American Airlines
    4. LHRPHL
      non-stop
      1. British Airways
    5. LHRPHL
      non-stop
      1. British Airways

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

      Favourite airline: Aer Lingus
      76 % of flights booked on the route from London Heathrow to Philadelphia are booked with Aer Lingus, British Airways and United Airlines.
      Aer Lingus
      45 %
      British Airways
      21 %
      United Airlines
      10 %
      Stopover flights are the cheapest connection
      Compared to flights with a stopover, direct flights are £325.00 more expensive on this route.
      non stop flight
      1 stop
      2 stops
      08h 20min
      11h 10min
      51h 25min
      1.034 £
      709 £
      1.282 £
      Favourite connection: via Dublin
      When booking flights from London Heathrow to Philadelphia 59 % of travellers prefer to fly via Dublin.
      Route
      bookings
      1 stopover Dublin
      11h 10min, from 709 £
      59 %
      Direct flights
      08h 20min, from 1.034 £
      19 %
      1 stopover Montréal-Pierre Elliott Trudeau International Airport
      30h 04min, from 839 £
      11 %

      Important flight information

      Discover more flights around London Heathrow and Philadelphia

      Departure airport Airport London Heathrow (LHR)
      Arrival airport Airport Philadelphia International Airport, PA (PHL)
      Destination country Flights to United States
      City-Code - Arrival airport London - Philadelphia International Airport, PA
      Departure airport - Destination country London Heathrow - United States
      Alternative routes to United States
      Alternative flights to Philadelphia
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