Frontier Airlines is set to move their check-in counters at Denver International Airport (DIA) in the early morning hours of Wednesday, Sept. 14. Skip Navigation Share on Facebook ...

Frontier Airlines is adding a new pin for a somewhat surprising destination to its route map. The carrier announced on Tuesday that it'll start flying to Denver International Airport (DEN), Las ...

Frontier Airlines will offer three nonstop routes connecting the high country to Dallas, San Francisco and Denver International Airport beginning in mid-December, the airport said Tuesday.

Hart Van Denburg/CPR News Frontier Airlines passenger jets at gates along Terminal A at Denver’s International Airport. Denver-based Frontier Airlines is cutting 43 routes.