The lowest fare found from London Heathrow (LHR) to Philadelphia (PHL) was £507 with KLM and the cheapest direct flight was £541 with US Airways. The fares shown here are the lowest flight prices to Philadelphia obtained in actual searches by Just The Flight customers. To search and book flights to Philadelphia, please enter your travel requirements in the search form above, and click the search button.
The best prices our customer have found to Philadelphia from London Heathrow in the last 7 days
The cheapest direct flights to Philadelphia from London Heathrow found in the last 7 days