At Newark Liberty International Airport Frontier Airlines EWR Terminal A is the base of operations for Frontier Airlines. For passengers departing on Frontier flights, the terminal has an easy-to-use layout. Before boarding, passengers can anticipate usual amenities including multiple food and shop options, security checkpoints, and check-in booths. Designed to accommodate both local and international flights, Terminal A at EWR has sufficient amenities to ensure a seamless travel experience with Frontier Airlines.