| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Knoxville Denver | Outbound 09/04/25 direct G41401 03h 06min | Return 09/28/25 direct G41407 02h 47min |  Allegiant Air |  | $117 | ||
| Knoxville Denver | Outbound 09/04/25 direct G41401 03h 06min | Return 09/28/25 direct G41407 02h 47min | Allegiant Air |  | $120 | ||
| Knoxville Denver | Outbound 09/04/25 direct G41401 03h 06min | Return 09/28/25 direct G41407 02h 47min | Allegiant Air |  | ? | $125 | |
| Knoxville Denver | Outbound 09/04/25 direct G41401 03h 06min | Return 09/28/25 direct G41407 02h 47min | Allegiant Air |  | $154 | ||
| Knoxville Denver | Outbound 07/25/25 1 Stopover (HOU, IAH) G41437, F93229 17h 38min | Return 08/17/25 direct G41427 02h 45min |  Allegiant Air, Frontier Airlines | | ? | $239 | |
| Knoxville Denver | Outbound 07/25/25 2 Stopovers (IAD, AVL) G41397, G41855, G40233 20h 31min | Return 08/17/25 direct G41427 02h 45min | Allegiant Air |  | $241 | ||
| Knoxville Denver | Outbound 09/04/25 direct UA1306 03h 12min | Return 09/28/25 1 Stopover (IAH) UA0320, UA4887 06h 10min |  United Airlines |  | ? | $267 | |
| Knoxville Denver | Outbound 09/19/25 direct UA1306 03h 20min | Return 09/29/25 direct UA2420 02h 50min | United Airlines | | ? | $271 | |
| Knoxville Denver | Outbound 09/19/25 direct UA1306 03h 20min | Return 09/29/25 direct UA4774 03h 02min | United Airlines | | ? | $286 | |
| Knoxville Denver | Outbound 09/19/25 1 Stopover (DFW) AA2550, AA0662 07h 03min | Return 09/29/25 1 Stopover (DFW) AA3215, AA1081 04h 51min |  American Airlines |  | ? | $298 |
Tips and tricks to help you find cheap flights from Knoxville to Denver
Favorite airline: e.g. Delta, Frontier Airlines
The most popular airline for flights from Knoxville to Denver is Delta.
Delta
26 %
Frontier Airlines
26 %
Allegiant Air
22 %