Direct flights from Knoxville to Denver
24 nonstop flights a week on 4 airlines. Zero layovers — one hop from TYS to DEN.
Flight time: about 2h28m nonstop
Which days does it fly?
When does it fly?
Departure times in Knoxville local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Allegiant AAY1415 | 7:00a | 2h59m | Sun |
| Allegiant AAY1413 | 7:10a | 2h53m | Thu |
| United UAL1256 | 8:54a | 2h27m | Wed |
| United UAL1256 | 8:58a | 2h32m | Mon, Tue, Thu |
| United UAL1256 | 9:30a | 2h20m | Sat |
| United UAL1256 | 9:37a | 2h19m | Fri |
| United UAL1256 | 10:51a | 2h18m | Sun |
| United UAL720 | 4:38p | 3h16m | Fri |
| Southwest SWA1645 | 4:49p | 2h30m | Sun |
| United UAL720 | 5:08p | 2h26m | Mon, Tue, Thu, Sun |
| Southwest SWA1645 | 5:14p | 2h30m | Fri |
| Southwest SWA1645 | 5:39p | 2h28m | Thu, Sat |
| United UAL720 | 5:45p | 2h20m | Sat |
| Southwest SWA1645 | 5:49p | 2h40m | Tue |
| Southwest SWA1645 | 6:29p | 2h35m | Mon |
| Frontier FFT4369 | 8:22p | 2h27m | Mon |
| Frontier FFT4369 | 8:27p | 2h24m | Fri |
| Frontier FFT4369 | 10:11p | 2h21m | Wed |
Allegiant
Southwest
UnitedThe route
One hop: TYS → DENDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Knoxville (TYS) to Denver (DEN)
McGhee Tyson Airport (TYS) has 24 nonstop flights a week to Denver (DEN), operated by Allegiant, Frontier, Southwest and United. No layovers, no connections — one hop out of TYS and you're there.
This route flies every day of the week, so any travel day works. Route data updated July 2026 from observed departures.
Route data updated July 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Knoxville to Denver?
The nonstop flight from Knoxville (TYS) to Denver (DEN) takes about 2h28m in the air, based on recently observed nonstop departures.
How long does it take to drive from Knoxville to Denver?
Driving from Knoxville to Denver takes about 19h 26m behind the wheel — roughly 1,335 miles, or about 2 days of real driving. The nonstop flight takes about 2h28m.