Nonstop flights from Knoxville to Denver

3 airlines fly this route, with up to 4 flights a day.

TYSKnoxville McGhee Tyson

1,160 mi · 23 flights a week

DENDenver International

TYSDEN

When they leave

Knoxville time

7:00a4:50pFirst departure 7:00 AM, last 4:50 PM

Two in the morning, 7:00 AM to 9:00 AM, then three in the afternoon, 3:00 PM to 4:50 PM.

Every flight

Earliest first

7:00 AM→8:21 AMAllegiant AirUntil Nov 28Airbus A320Sun
7:00 AM→8:21 AMAllegiant AirUntil Nov 28Airbus A320Thu
9:00 AM→10:18 AMUnited AirlinesAirbus A320Daily
3:00 PM→4:15 PMSouthwest AirlinesBoeing 737 MAX 8Tue, Wed, Sat
3:35 PM→4:50 PMSouthwest AirlinesBoeing 737-700Sun
4:50 PM→6:10 PMUnited AirlinesAirbus A320Daily
4:50 PM→6:05 PMSouthwest AirlinesBoeing 737-700Mon, Thu, Fri

Schedules last checked Sep 19, 2026. Times are local.

Flying from Knoxville to Denver

United Airlines flies most often, twice a day on the Airbus A320. Southwest Airlines flies daily on the Boeing 737-700 and Boeing 737 MAX 8. Allegiant Air flies on Thursdays and Sundays with the Airbus A320.

Flights run every day of the week, 4 on Thursdays and Sundays and 3 on the other days. The first arrival in Denver is at 8:21 AM and the last at 6:10 PM. The flight covers 1,160 miles.

Allegiant Air flies it until Nov 28. Frontier Airlines stopped flying it after Aug 17.

Flying back, Denver to Knoxville has 23 nonstop flights a week.

Return flights

Denver to KnoxvilleView

Find the cheapest day to fly from Knoxville to Denver.

Schedules as of Oct 9, 2026.