Which airports does British Airways flies between for London-Philadelphia?
For flights between London and Philadelphia, British Airways flies from the following airport routes: Heathrow (LHR) to Philadelphia International Airport (PHL)
What do British Airways flights from London to Philadelphia cost?
One of British Airways cheapest prices for a London to Philadelphia flight we have right now is £ 714.
On average though, flights with British Airways cost £ 1855.13 for the route London to Philadelphia, though it depends a lot on the season and how far in advance you book your tickets.