Direct flights from Knoxville to Denver TYS → DEN

Allegiant Air, Frontier Airlines, Southwest Airlines and United Airlines fly nonstop from Knoxville (TYS) to Denver (DEN), several times daily. The flight takes about 2h 54m and covers 1,159 miles (1,866 km). Arrivals run on time 73.5% at TYS and 80.3% at DEN — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Schedule data from 13 June 2026.

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Frontier Airlines F9 Allegiant Air G4 United Airlines UA Southwest Airlines WN

Departure Schedule typical week

Typical weekly schedule · 35 flights per week (~5 per day) · Updated 78d ago

Frontier Airlines
3 flights per week
Mon, Wed, Fri
20:32
Allegiant Air
1 flight per week
Sun
07:00
United Airlines
21 flights per week (~3 per day)
Daily
08:48 16:20 16:56
Southwest Airlines
10 flights per week
Sat
12:20
Sun
14:40 16:40
Daily
16:20

More nonstops from Knoxville

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Frequently asked questions

Is there a direct flight from Knoxville to Denver?

Yes, Allegiant Air, Frontier Airlines and 2 more airlines operate nonstop flights from Knoxville (TYS) to Denver (DEN).

Which airlines fly direct from Knoxville to Denver?

Allegiant Air, Frontier Airlines, Southwest Airlines, United Airlines operate nonstop flights from Knoxville to Denver.

How long is the flight from Knoxville to Denver?

The nonstop flight from Knoxville to Denver takes ~2h 54m (approximately 1866 km).

How often do direct flights operate from Knoxville to Denver?

Nonstop flights from Knoxville to Denver operate multiple daily — 35 flights per week (~5 per day).

What is the on-time performance for flights from Knoxville to Denver?

Arrivals run on time 73.5% at TYS and 80.3% at DEN — BTS data for the last three months, counting arrivals within 15 minutes of schedule.

What days of the week are there direct flights from Knoxville to Denver?

Direct flights from Knoxville to Denver operate every day of the week. Frontier Airlines flies Monday, Wednesday, and Friday, Allegiant Air flies Sunday, United Airlines flies daily, and Southwest Airlines flies daily.

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TYS All direct flights from Knoxville DEN All direct flights from Denver DEN → TYS Return: Denver to Knoxville

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