Within these there are 7 concourses, and 124 gates at the airport. Thank you for choosing to save money, distance, and time by flying with LVIA (FAA Code: ABE). Cheap flights from Philadelphia, PA (PHL) Find the best deals on airfare from Philadelphia, PA to top airports around the world. Flight Philadelphia International Airport, PA Denver International Airport, CO - book cheap flights and special offers online for the route from Philadelphia International Airport, PA to Denver International Airport… Change fee waiver terms , Opens in a new window ( Required dot indicates required) Select booking type Redeem miles. Browse for cheap flights from the best travel agents and over 600 airlines to get the best flight deals. To check for the best fares from Philadelphia airport, book a flight at PHL. Philadelphia International Airport (PHL) is the most important airport in the Delaware Valley, serving well over 30 million passengers every year. There are a total of seven terminal buildings within the Philadelphia airport. Book the best deals and lowest fares for airline tickets only at Southwest.com. Southwest also has a major presence in PHL and continues to grow rapidly. Book a new trip by May 31, 2020 and there is no change fee if your travel plans change. Book your cheap flight from Philadelphia below Log in to your AAdvantage account. Use the links below to check the status of a flight, connect with your airline, and to book a flight now! Philadelphia Airport Terminals. Book flights No change fee on flights ticketed by May 31. FLIGHTS Nonstop Service to 13 Destinations. Try our new award booking search, including Premium Economy. Philadelphia International Airport to get new Frontier Airlines flights to 5 US destinations from 30th April and 1st May 2019! Flights from Philadelphia. Book a flight to Philadelphia and celebrate Rocky-style by running up the stairs of the Philadelphia Museum of Art, it will be movie perfect! Find the best deals on flights to Philadelphia. In a recent announcement, Frontier Airlines has stated that it will expand its current service from Philadelphia International Airport to five new destinations across the United States. PHL is US Airways’ second largest hub and its largest international hub.