Frontier Airlines operates from the east side of the Terminal at Denver International Airport. Passengers can reach the concourse by using the airport train or pedestrian bridge. The Frontier Airlines DEN Terminal offers convenient check-in counters, self-service kiosks, and baggage drop-off. provides a range of amenities including food outlets, retail stores, charging stations, and family restrooms. With accessible facilities and free Wi-Fi, the terminal ensures a comfortable and efficient travel experience for Frontier passengers. visit at: https://www.terminalhubs.com/frontier-airlines/frontier-airlines-den-terminal-denver-international-airport/