Operating out of Philadelphia International Airport's Terminal E is Frontier Airlines (PHL). Frontier is well-known for its reasonably priced tickets and offers domestic travel to well-liked U.S. locations. A number of facilities are available at the Frontier Airlines PHL Terminal ,such as stores, restaurants, and cozy seating places for travelers. Terminal E can get crowded, so it's best to arrive early to avoid any problems with security. Frontier's gates and check-in desks are ideally situated to make it simple for passengers to board and enjoy their trip.