Do you know what terminal is frontier at DFW? Frontier Airlines at Dfw is at Terminal E. Frontier Airlines operates from Terminal E at Dallas/Fort Worth International Airport (DFW). Terminal E is a modern and efficient facility with a variety of amenities to make the travel experience comfortable and convenient for Frontier passengers. The terminal offers numerous dining options, retail shops, and lounges, as well as efficient security checkpoints and plenty of parking options. Frontier Airlines is a low-cost carrier that offers flights to various destinations in the United States and internationally, and Terminal E at DFW is the starting point for a hassle-free journey with Frontier Airlines.