Originally Posted by pdhenry
Note that there are two SmartPark lots at PHL; for some reason I gnenerally end up at the Essington lot although the Scott Way lot is closer (and a litle easier to find).
Another lot I've frequently used is west of the aiport on Tinicum Island Road (Scott Way to a right at the USAirways hangar and then around to the west end of the runway)
Here is a Philly Inquirer article about parking. It's a few years old (it was published on 9.9.01) so take the prices with a grain of salt.
Here is an updated PHL Airport Parking Lot map and table from the Philly Inquirer. It's from Aug, 2004.
UPDATE:
Here is the August 2005 Airport Parking Lot map and table from the Philly Inquirer.
BONUS: So called '
Cell phone parking areas' when waiting to pick up people on return flights.