Philadelphia has 1 airport and London has 9 airports.
Philadelphia International Airport (PHL)
http://www.phl.org/11 km from Philadelphia city center.
Which airport in Philadelphia is better?
The closest airport to Philadelphia city center is Philadelphia International Airport (PHL) with 11 km distance. The quickest way to get to city center is to take a bus from Philadelphia International Airport (PHL), trip will take 40 min.
Philadelphia International Airport (PHL) can be considered Philadelphia’s main airport. It takes about 40 min. by bus to reach the city center.