The flight between Knoxville (TYS) and Denver (DEN) typically takes about 3 hours and 22 minutes.
There are 2 direct flights every day.
The flight numbers are F9587, F9589, UA4791, UA5581, UA5250, UA4615, UA5212 and UA4623.
From Knoxville you will fly out from Mc Ghee Tyson (TYS) and you will be landing at Denver International (DEN).
Frontier Airlines and United Airlines fly this route with the same aircraft: Embraer ERJ14X/13X.
Two airlines. Frontier Airlines and United Airlines have non-stop flights to Denver.