Cheap Flights from Denver, CO to Knoxville, TN from $158
On Cheapflightsplus.com you will find 36 connecting flights from Denver to Knoxville. You can compare airfare deals from 3 airlines and multiple travel sites from $158, book and save on cheap plane tickets and last minute offers. Also check out DEN-TYS flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Denver to Knoxville depends on and how to choose the most interesting flight option for you.
Distance between Denver and Knoxville is 1866 miles. Time difference between the cities is 2h. Airplanes depart 06:01 to 23:59 from 2 Denver airports and arrive 06:01 to 23:59 to 1 Knoxville airport. Average flight time is 16h 43m.
- The fastest flight 5h 47m
- Average flight time 16h 43m
- The earliest flight 06:01
- The latest flight 23:59
- Distance 1160 ml
Best Flights from Denver to Knoxville Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $306 | 23:59 Denver Denver International | 10:27+1 день Knoxville Mc Ghee Tyson | 8h 28m layover 3h 21m - Washington D.C. | United Airlines | UA1924 UA4257 |
from $369 | 20:55 Denver Denver International | 13:21+1 день Knoxville Mc Ghee Tyson | 14h 26m layover 10h 5m - Chicago | United Airlines | UA377 UA5836 |
from $158 | 18:44 Denver Denver International | 21:42+1 день Knoxville Mc Ghee Tyson | 24h 58m layover 14h 31m - Fletcher 4h 42m - Fort Walton Beach | Allegiant Air | G4226 G4263 G41396 |
from $188 | 08:00 Denver Denver International | 21:40+1 день Knoxville Mc Ghee Tyson | 35h 40m layover 22h 46m - Covington 6h 22m - Clearwater | Allegiant Air | G4411 G42042 G43048 |
The cheapest months to travel to Knoxville are july (from 158 $), august (from 218 $), june (from 306 $).
The most expensive months are may (from 336 $), june (from 306 $), august (from 218 $).
What is the lowest airfare Denver to Knoxville?
The cheapest plane ticket found by our users is $158. This airfare is for economy class on one-way G4226 flight by Allegiant Air for August 1, 2025 which leaves Denver International in Denver at 18:44 am and arrives at Knoxville Mc Ghee Tyson at 21:42.
Flight Schedule Denver (Colorado) to Knoxville (Tennessee)
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Popular Airlines on the Route
The flight Denver — Knoxville is served by 3 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Sun Country Airlines - 3 departures per week at the price of from $ 462 . And the most expensive tickets are offered by United Airlines airline - from $ 1594.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 36 flights with layovers on the route. The fastest connecting flight is UA489 by United Airlines takes 5h 47m and the cheapest is G4226 by Allegiant Air for $158.
- SY - Sun Country Airlinesfrom $462Find
- UA - United Airlinesfrom $306Find
- G4 - Allegiant Airfrom $158Find
Airports
You can fly from Denver to Knoxville from 2 airports (Denver International, Arapahoe Co).
Denver airports
- Denver International-DENfrom $158Find
- Arapahoe Co-APAFind
Knoxville airports
- Mc Ghee Tyson-TYSFind
Airplanes
There are flights to Knoxville from Denver by 3 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Denver
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Top International Destinations from Denver
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.
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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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