Before diving into the terminal specifics, it’s worth understanding what kind of airline Frontier is. Frontier Airlines is a Denver-based ultra-low-cost carrier (ULCC) that focuses on offering low base fares with add-on fees for services like baggage, seat selection, and in-flight snacks. This business model allows the airline to offer some of the cheapest flights in the country, making it a popular choice for budget travelers. https://airlinesofficesworld.com/frontier-airlines-dfw-airport-terminal/