Flights from Philadelphia to London Heathrow

  • Find cheap flights
  • Booking tips

Our cheapest offers for flights from Philadelphia to London Heathrow

Here you can compare cheap flights from Philadelphia (PHL) to London Heathrow (LHR) 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 London Heathrow. Prices and availability may change at any time.

Please use our search to find current cheap offers for the following route: from Philadelphia (PHL) to London Heathrow (LHR)
You can also change your filters (Departure airport: Philadelphia (PHL), Destination airport: London Heathrow (LHR)) or look for alternative cheap flights.

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

Tip: book 2 months before departure
Save up to 30 % by booking flights 2 months before departure.
63 days before departure

Flight information: Philadelphia - London Heathrow

Flight duration min. 07:00 / max. 07:25
Return flight duration min. 08:10/ max. 08:45
Distance 5696 km
Flights per week 24
Departure airport Philadelphia International Airport, PA (PHL)
Departure country United States
Arrival airport London Heathrow (LHR)
Destination country United Kingdom
Alternative flights to London Heathrow
Popular destinations for onward travel
AirportsAirlinesFlight RoutesDealsFlight Shops
Privacy | | About / Terms and conditions
* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.