# Knoxville to Denver flights

Page: https://www.routavio.com/flights/knoxville-to-denver

## About this route

Explore the fares we observed from Knoxville to Denver. Prices move often, so pick your dates to see the latest options.

- Route distance: 1,892 km
- Fastest observed flight time: 3h 10m
- Airlines seen: Frontier Airlines, Allegiant Air, United Airlines, American Airlines
- Alternative airports: APA

- Cheapest checked fare: €75 one way (checked 5 Nov 2026, departing 22 Nov 2026)
- Checked fares: €75 - €191
- Cheapest month seen: November 2026 (from €75); dearest month seen: March 2027 (from €170)

## Frequently asked

### How much is a flight from Knoxville to Denver?

The lowest fare Routavio has observed is €75, found on 5 Nov 2026. Prices move, so read it as a floor rather than a quote.

### When is the cheapest month to fly from Knoxville to Denver?

In our observations November 2026 is the cheapest month so far, at €75.

### Are there direct flights from Knoxville to Denver?

Yes. Published schedules report non-stop flights on this route with Frontier Airlines, Allegiant Air, United Airlines.

### Which airlines fly from Knoxville to Denver?

Routavio has seen these carriers on the route: Frontier Airlines, Allegiant Air, United Airlines, American Airlines.

### How long does the flight from Knoxville to Denver take?

Across the 108 fares Routavio observed, the average journey time is 16h 48m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

### How many of the observed Knoxville to Denver fares were non-stop?

27 of the 108 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

Route data last updated by Routavio on 6 November 2026