Cheap Flights from Knoxville, TN to Denver, CO from $71

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On Cheapflightsplus.com you will find 9 direct and 154 connecting flights from Knoxville to Denver. You can compare airfare deals from 3 airlines and multiple travel sites from $71, book and save on cheap plane tickets and last minute offers. Also check out TYS-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Knoxville to Denver Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $71 (one-way), $122 (round-trip).

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Best Flights from Knoxville to Denver Today

Take a look at the list of non stop flights and flights with layovers from Knoxville to Denver with the lowest price of $71. The fastest direct flight takes 3h 3m and the fastest connecting – 5h 35m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $71 Find flight	17:42 Knoxville Mc Ghee Tyson	18:45 Denver Denver International	3h 3m	Frontier Airlines	F94369
from $75 Find flight	10:00 Knoxville Mc Ghee Tyson	11:29 Denver Denver International	3h 29m	Allegiant Air	G41398
from $202 Find flight	16:30 Knoxville Mc Ghee Tyson	18:02 Denver Denver International	3h 32m	United Airlines	UA2028
from $240 Find flight	08:55 Knoxville Mc Ghee Tyson	10:33 Denver Denver International	3h 38m	United Airlines	UA5673
from $300 Find flight	16:30 Knoxville Mc Ghee Tyson	18:02 Denver Denver International	3h 32m	United Airlines	UA1819
from $214 Find flight	07:00 Knoxville Mc Ghee Tyson	10:35 Denver Denver International	5h 35m layover 0h 44m - Chicago	United Airlines	UA1469 UA1731
from $214 Find flight	10:55 Knoxville Mc Ghee Tyson	14:35 Denver Denver International	5h 40m layover 0h 46m - Chicago	United Airlines	UA5300 UA2249
from $214 Find flight	07:05 Knoxville Mc Ghee Tyson	11:14 Denver Denver International	6h 9m layover 0h 45m - Houston	United Airlines	UA4913 UA1128
from $214 Find flight	10:55 Knoxville Mc Ghee Tyson	15:05 Denver Denver International	6h 10m layover 1h 16m - Chicago	United Airlines	UA5300 UA1882
from $214 Find flight	11:50 Knoxville Mc Ghee Tyson	16:25 Denver Denver International	6h 35m layover 1h 19m - Houston	United Airlines	UA4302 UA1333
from $214 Find flight	09:25 Knoxville Mc Ghee Tyson	14:34 Denver Denver International	7h 9m layover 1h 49m - Houston	United Airlines	UA4841 UA797
from $214 Find flight	09:10 Knoxville Mc Ghee Tyson	14:26 Denver Denver International	7h 16m layover 1h 39m - Houston	United Airlines	UA4841 UA1333
from $214 Find flight	10:55 Knoxville Mc Ghee Tyson	16:25 Denver Denver International	7h 30m layover 2h 36m - Chicago	United Airlines	UA5300 UA2187
from $214 Find flight	07:05 Knoxville Mc Ghee Tyson	12:37 Denver Denver International	7h 32m layover 2h 8m - Houston	United Airlines	UA4913 UA2677
from $214 Find flight	17:43 Knoxville Mc Ghee Tyson	23:19 Denver Denver International	7h 36m layover 2h 44m - Chicago	United Airlines	UA5330 UA2154
from $214 Find flight	07:00 Knoxville Mc Ghee Tyson	12:40 Denver Denver International	7h 40m layover 2h 49m - Chicago	United Airlines	UA1469 UA1803

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 09, 2025

Flight Schedule Knoxville (Tennessee) to Denver (Colorado)

Full flight schedule will help you in detecting at what time planes fly from Knoxville to Denver. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
08:30 — 10:20	08:30 — 10:20 UA5382 United Airlines Knoxville — Denver	3h 50m	Find flight from$305
08:55 — 10:33	08:55 — 10:33 UA5673 United Airlines Knoxville — Denver	3h 38m	Find flight from$240
10:00 — 11:29	10:00 — 11:29 G41398 Allegiant Air Knoxville — Denver	3h 29m	Find flight from$75
16:20 — 18:00	16:20 — 18:00 UA2132 United Airlines Knoxville — Denver	3h 40m	Find flight from$260
16:25 — 18:01	16:25 — 18:01 UA1303 United Airlines Knoxville — Denver	3h 36m	Find flight from$300
16:25 — 18:12	16:25 — 18:12 UA5505 United Airlines Knoxville — Denver	3h 47m	Find flight from$302
16:30 — 18:02	16:30 — 18:02 UA2028 United Airlines Knoxville — Denver	3h 32m	Find flight from$202
16:30 — 18:02	16:30 — 18:02 UA1819 United Airlines Knoxville — Denver	3h 32m	Find flight from$300
17:42 — 18:45	17:42 — 18:45 F94369 Frontier Airlines Knoxville — Denver	3h 3m	Find flight from$71
05:45 — 10:27	05:45 — 07:33 UA4311 United Airlines Knoxville — Washington D.C. 52m stop 08:25 — 10:27 UA1366 United Airlines Washington D.C. — Denver	6h 42m including layover	Find flight from$367
05:45 — 12:12	05:45 — 07:33 UA4311 United Airlines Knoxville — Washington D.C. 2h 32m stop 10:05 — 12:12 UA1341 United Airlines Washington D.C. — Denver	8h 27m including layover	Find flight from$367
07:00 — 10:35	07:00 — 08:01 UA1469 United Airlines Knoxville — Chicago 44m stop 08:45 — 10:35 UA1731 United Airlines Chicago — Denver	5h 35m including layover	Find flight from$214
07:00 — 12:40	07:00 — 08:01 UA1469 United Airlines Knoxville — Chicago 2h 49m stop 10:50 — 12:40 UA1803 United Airlines Chicago — Denver	7h 40m including layover	Find flight from$214
09:10 — 14:26	09:25 — 11:06 UA4841 United Airlines Knoxville — Houston 1h 39m stop 14:45 — 16:25 UA1333 United Airlines Houston — Denver	7h 16m including layover	Find flight from$214
09:25 — 14:34	09:25 — 11:06 UA4841 United Airlines Knoxville — Houston 1h 49m stop 12:55 — 14:34 UA797 United Airlines Houston — Denver	7h 9m including layover	Find flight from$214
10:55 — 14:35	10:55 — 11:59 UA5300 United Airlines Knoxville — Chicago 46m stop 12:45 — 14:35 UA2249 United Airlines Chicago — Denver	5h 40m including layover	Find flight from$214
11:40 — 16:32	11:40 — 13:25 UA4302 United Airlines Knoxville — Houston 1h 25m stop 14:50 — 16:32 UA241 United Airlines Houston — Denver	6h 52m including layover	Find flight from$314
11:50 — 16:25	11:50 — 13:26 UA4302 United Airlines Knoxville — Houston 1h 19m stop 14:45 — 16:25 UA1333 United Airlines Houston — Denver	6h 35m including layover	Find flight from$214
13:55 — 17:59	13:55 — 14:51 UA5844 United Airlines Knoxville — Chicago 1h 17m stop 16:08 — 17:59 UA2436 United Airlines Chicago — Denver	6h 4m including layover	Find flight from$314
13:55 — 19:40	13:55 — 14:51 UA5844 United Airlines Knoxville — Chicago 2h 59m stop 17:50 — 19:40 UA2370 United Airlines Chicago — Denver	7h 45m including layover	Find flight from$314
14:06 — 20:09	14:06 — 15:12 UA3716 United Airlines Knoxville — Chicago 3h 3m stop 18:15 — 20:09 UA1958 United Airlines Chicago — Denver	8h 3m including layover	Find flight from$214
14:35 — 19:22	14:35 — 16:15 UA4848 United Airlines Knoxville — Washington D.C. 1h 5m stop 17:20 — 19:22 UA1017 United Airlines Washington D.C. — Denver	6h 47m including layover	Find flight from$367
17:43 — 23:19	17:43 — 18:52 UA5330 United Airlines Knoxville — Chicago 2h 44m stop 21:36 — 23:19 UA2154 United Airlines Chicago — Denver	7h 36m including layover	Find flight from$214
19:25 — 00:15 +1 day	19:25 — 21:15 UA4324 United Airlines Knoxville — Washington D.C. 56m stop 22:11 — 00:15 UA495 United Airlines Washington D.C. — Denver	6h 50m including layover	Find flight from$370
06:00 — 17:54	06:00 — 07:43 G41434 Allegiant Air Knoxville — Clearwater 4h 3m stop 11:46 — 14:18 SY1914 Sun Country Airlines Clearwater — Minneapolis 2h 23m stop 16:41 — 17:54 SY657 Sun Country Airlines Minneapolis — Denver	13h 54m including layover	Find flight from$273
06:30 — 16:38	06:30 — 08:08 G43032 Allegiant Air Knoxville — Orlando 3h 12m stop 11:20 — 13:58 SY342 Sun Country Airlines Orlando — Minneapolis 1h 29m stop 15:27 — 16:38 SY657 Sun Country Airlines Minneapolis — Denver	12h 8m including layover	Find flight from$269
12:25 — 09:08 +1 day	12:25 — 14:08 G43049 Allegiant Air Knoxville — Tampa 6h 12m stop 20:20 — 22:53 SY218 Sun Country Airlines Tampa — Minneapolis 8h 54m stop 07:47 — 09:08 SY651 Sun Country Airlines Minneapolis — Denver	22h 43m including layover	Find flight from$261

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on May 9, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Knoxville to Denver depends on and how to choose the most interesting flight option for you.

Distance between Knoxville and Denver is 1866 miles. Time difference between the cities is 2h. Airplanes depart 05:45 to 19:25 from 1 Knoxville airport and arrive 05:45 to 19:25 to 2 Denver airports. Average flight time is 3h 36m.

The fastest flight 3h 3m
Average flight time 3h 36m
The earliest flight 05:45
The latest flight 19:25
Distance 1160 ml

The cheapest months to travel to Denver are november (from 71 $), january (from 75 $), february (from 87 $).

The most expensive months are december (from 267 $), february (from 87 $), january (from 75 $).

What is the lowest airfare Knoxville to Denver?

The cheapest plane ticket found by our users is $71. This airfare is for economy class on one-way F94369 flight by Frontier Airlines for February 21, 2025 which leaves Mc Ghee Tyson in Knoxville at 17:42 am and arrives at Denver Denver International at 18:45.

Economy class

$71

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Business class

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First class

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Popular Airlines on the Route

The flight Knoxville — Denver is served by 3 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 1 departures per week at the price of from $ 71 . And the most expensive tickets are offered by United Airlines airline - from $ 828.

Direct flights

There are 9 nonstop flights on the route. The fastest direct flight is F94369 by Frontier Airlines takes 3h 3m and the cheapest is F94369 by Frontier Airlines for $71.

F9 - Frontier Airlines

from $71

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UA - United Airlines

from $202

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G4 - Allegiant Air

from $75

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Connecting Flights

There are 154 flights with layovers on the route. The fastest connecting flight is UA1469 by United Airlines takes 5h 35m and the cheapest is F94369 by Frontier Airlines for $214.

UA - United Airlines

from $214

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G4 - Allegiant Air

from $261

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Airports

You can fly from Knoxville to Denver from 1 airports (Mc Ghee Tyson).

Knoxville airports

Mc Ghee Tyson-TYS

from $71
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Denver airports

Denver International-DEN

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Arapahoe Co-APA

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Airplanes

There are flights to Denver from Knoxville by 3 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Knoxville

You may also consider searching for discounted plane tickets to some other popular places from Knoxville within United States.

Knoxville — Orlando

from $73

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Knoxville — Las Vegas

from $74

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Knoxville — Chicago

from $76

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Knoxville — Denver

from $74

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Knoxville — Miami

from $66

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Knoxville — Boston

from $69

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Knoxville — Houston

from $54

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Knoxville — New Orleans

from $56

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Knoxville — Tampa

from $80

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Knoxville — Austin

from $54

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Top International Destinations from Knoxville

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Knoxville — Cancun

from $69

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Knoxville — Panama City

from $61

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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