Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Denver to Knoxville. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Denver to Knoxville, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The cheapest one-way flight from Denver to Knoxville departs on 05/10/2026, is operated by American Airlines and costs $191
The cheapest roundtrip flight from Denver to Knoxville departs on 05/21/2026, is operated by Allegiant Air and costs $236
Fastest flight from Denver to Knoxville takes 5h 36m
There are direct flights on this route 2 days a week: Su and Th
The distance between Denver and Knoxville is 1891km (1172 miles). There are 2 direct flights from Denver to Knoxville. The time difference between Denver and Knoxville is 2h. Flights from Denver begin at 10:10 AM. The latest flight from Denver departs at 5:27 PM
More than 4 airlines operate flights from Denver to Knoxville, including Southwest Airlines, United Airlines, American Airlines, and Frontier Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $191, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
starting at $440
starting at $526
starting at $191
starting at $229
Denver — Knoxville
05/10/2026
Departure
Direct flight
WN3906
starting at $440
Denver — Knoxville
05/14/2026
Departure
Direct flight
UA2041
starting at $526
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Denver is fortunate to have two major airports that serve travelers departing from the area. Denver International Airport, located northeast of downtown, is the primary airport catering to domestic and international flights. With its extensive flight network, DIA offers a wide selection of airlines, including major carriers like American Airlines and United Airlines, making it an appealing choice for travelers seeking various direct flight options. The airport boasts efficient facilities and services, ensuring a smooth and enjoyable journey. However, it is worth considering that due to its size and the distance from downtown, accessing DIA might require some extra travel time and expenses for those residing closer to the city center. For those looking for a more convenient departure option, Centennial Airport comes into play. Situated in the southeast part of the city, this airport primarily serves general aviation and private jet traffic. With its proximity to downtown Denver, Centennial Airport offers a quicker and less congested travel experience, ideal for those seeking to avoid long lines and navigate through security swiftly. Although the airline choices might be more limited compared to DIA, Centennial Airport is an excellent choice for travelers seeking a luxurious and hassle-free departure experience. Whether you prefer the extensive flight choices of Denver International Airport or the convenience of Centennial Airport, both airports have their advantages and disadvantages. While DIA provides a broader range of airlines and destinations, it comes with the trade-off of possible transportation and parking costs. On the other hand, Centennial Airport offers a more exclusive and time-saving travel experience, but with fewer airline options. Evaluate your priorities and consider the distance, costs, and prestige of airlines represented at each airport to make the best decision for your departure.
The cheapest flight ticket from Denver to Knoxville according to data for the last 48 hours costs $191
Often the best time to buy tickets from Denver to Knoxville is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Denver to Knoxville can be found flying in these months: May.
The fastest flights from Denver to Knoxville start from 5 hours 36 minutes in the air.
The following airlines operate direct flights on the route Denver — Knoxville: Southwest Airlines, United Airlines
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Denver to Knoxville
We couldn't find any special offers for flights from Denver to Knoxville