Flights from Knoxville to Denver

Our cheapest offers for flights from Knoxville to Denver

Here you can compare cheap flights from Knoxville (TYS) to Denver (DEN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Denver. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Knoxville
Denver
Outbound
04/12/25
2 Stopovers (MCO, CLE)
G43056, F91915, F94637
32h 01min
Return
04/27/25
direct
G41399
02h 44min
Allegiant Air, Frontier Airlines ?
$221
Best option
Knoxville
Denver
Outbound
04/12/25
direct
UA1262
03h 27min
Return
04/27/25
direct
UA2244
02h 49min
United Airlines ?
$530
Knoxville
Denver
Pay attention to transfer at connecting flight
Outbound
04/12/25
2 Stopovers (PIE, TPA, MSP)
G43023, SY0214, SY0659
33h 35min
Return
04/27/25
2 Stopovers (MSP, SRQ)
SY0658, SY0941, G43786
18h 12min
Allegiant Air, Sun Country Airlines
$424
Knoxville
Denver
Outbound
04/12/25
1 Stopover (DFW)
AA2550, AA0577
05h 37min
Return
04/27/25
1 Stopover (DFW)
AA2612, AA2544
07h 24min
American Airlines ?
$353
Knoxville
Denver
Outbound
04/12/25
direct
UA1262
03h 27min
Return
04/27/25
1 Stopover (ORD)
UA0532, UA2038
14h 20min
United Airlines ?
$383
Knoxville
Denver
Outbound
04/12/25
1 Stopover (ORD)
AA5742, AA1647
07h 08min
Return
04/27/25
1 Stopover (DFW)
AA2612, AA2544
07h 24min
American Airlines ?
$417
Knoxville
Denver
Outbound
04/12/25
1 Stopover (ORD)
UA1594, UA1803
07h 39min
Return
04/27/25
direct
UA2244
02h 49min
United Airlines
$420
Prices based on recent searches, subject to last-minute changes
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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 %
Direct flights are cheaper
Compared to direct flights, flights with a stopover on this route are on average 15 % more expensive.
non stop flight
1 stop
2 stops
03h 09min
10h 37min
13h 55min
$218
$255
$556
The favorite connection is non-stop
41 % of travelers decide to book a direct flight on this route.
Route
bookings
Direct flights
03h 09min, from $218
41 %
1 stopover Hartsfield-Jackson Atlanta International Airport, GA
06h 39min, from $276
24 %
1 stopover Orlando International Airport, FL
14h 19min, from $436
18 %

Important flight information

Flight information: Knoxville - Denver

Roundtrip from $220.33
Flight duration min. 03:30 / max. 03:35
Return flight duration min. 02:47/ max. 02:52
Distance 1868 km
Flights per week 17
Departure airport Airport Knoxville, TN (TYS)
Arrival airport Airport Denver International Airport, CO (DEN)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Denver
Flight destinations with a similar price