Frontier Airlines operates out of Denver International Airport located on the east side of the Terminal. Passengers can access the concourse via the airport train or a pedestrian bridge. The Frontier Airlines DEN Terminal provides check-in counters, baggage drop services, and self-service kiosks. Inside , travelers will find dining options, retail stores, charging stations, and family restrooms. With accessible amenities and free Wi-Fi, the terminal is designed to offer a convenient and pleasant experience for Frontier passengers.