Cheap flights from Knoxville to Denver

One-way fares from $130 · TYS → DEN · prices found by travellers in the last 48 hours

Compare all dates Denver → Knoxville
Cheapest fare
$130

Allegiant Air · Thu, Nov 12

Cheapest month
November

from $130

Direct flights
Yes

Allegiant Air

Flight time
3h 10m

1,890 km

Get a price alert

We'll email you when Knoxville → Denver drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $130. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Knoxville to Denver

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $130

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Allegiant Air
Depart06:30 Thu, Nov 12TYS → DEN 3h 10m · Direct
$130one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Denver

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in DenverCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in DenverTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in DenverPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in DenverCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Knoxville to Denver

Knoxville (TYS) and Denver (DEN) are about 1,890 km apart. Direct flights take around 3h 10m, and recent direct fares were with Allegiant Air. Over the next few months, one-way fares start from $130, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Knoxville to Denver?

The cheapest one-way fare we've seen recently is $130 with Allegiant Air, departing Thursday, November 12, 2026.

What is the cheapest month to fly from Knoxville to Denver?

November 2026 currently has the lowest fares, from $130 one way.

Are there direct flights from Knoxville to Denver?

Yes. Recent direct fares were with Allegiant Air.

How long is the flight from Knoxville to Denver?

A direct flight takes about 3h 10m. Knoxville and Denver are around 1,890 km apart.

Which airlines fly from Knoxville to Denver?

Recent fares on this route were with Allegiant Air.

More cheap flights from Knoxville

Compare flights to Denver from other cities →