Compare cheap outbound and return flights from Knoxville (TYS) to Denver (DEN)and find the best offer from numerous airlines and travel agencies.
Fastest outbound flight
Fastest inbound flight
non-stop flights
18x / week
Flight distance
1,868 km
Time difference
Most popular airlines
United Airlines
Southwest Airlines
Allegiant Air
Frontier Airlines
Flight schedule from Knoxville (TYS) to Denver (DEN)
Select a travel date in the flight schedule for the route from Knoxville (TYS) to Denver (DEN) and compare affordable flight deals.
offers
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Matching outbound flights9 of 9
fromto
dep.arr.
durationstopovers
September 13 – 19, 2026
September 20 – 26, 2026
Sep 27 – Oct 3, 2026
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nonstop
TYSDEN
nonstop
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Tips and tricks to help you find cheap flights from Knoxville to Denver
Favorite airline: e.g. Delta, Frontier Airlines
The most popular airline for flights from Knoxville to Denver is Delta.
Delta
26 %
Frontier Airlines
26 %
Allegiant Air
22 %
Direct flights are cheaper
Compared to direct flights, flights with a stopover on this route are on average 15 % more expensive.
non stop flight
1 stop
2 stops
03h 09min
10h 37min
13h 55min
218 $
255 $
556 $
The favorite connection is non-stop
41 % of travelers decide to book a direct flight on this route.
Route
bookings
Direct flights
03h 09min, from 218 $
41 %
1 stopover Hartsfield-Jackson Atlanta International Airport, GA
06h 39min, from 276 $
24 %
1 stopover Orlando International Airport, FL
14h 19min, from 436 $
18 %
Important flight information
Frequently Asked Questions (FAQ)
How long is the flight from Knoxville to Denver?
A nonstop flight from Knoxville to Denver typically takes around 3 hours 18 minutes. This makes the nonstop service the fastest and most convenient way to travel between Knoxville and Denver. It is worth checking flight times when searching, as they can vary by airline and travel date.
Are there nonstop flights from Knoxville to Denver?
Yes, there are nonstop flights from Knoxville to Denver, averaging around 2 to 3 flights per day, operated by, among others, United Airlines, Southwest and Allegiant Air. If you want to fly without a layover, it is worth filtering specifically for nonstop flights when searching.
Which airlines fly from Knoxville to Denver?
Direct flights from Knoxville to Denver are operated by, among others, United Airlines, Southwest and Allegiant Air. These flights take you to Denver nonstop, making them especially practical for short trips or weekend getaways. It is still worth comparing departure times and airline policies, as baggage rules and fees can vary.
On which days are there nonstop flights from Knoxville to Denver?
Nonstop flights from Knoxville to Denver operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.
How many flights are there per day from Knoxville to Denver?
On the route from Knoxville to Denver, there are on average around 2 to 3 flights per day. The number of flights can vary by day of the week and season. If you are flexible with your dates, it is worth comparing several departure days.
How many flights per week are there from Knoxville to Denver?
On the route from Knoxville to Denver, there are around 18 to 19 flights per week. The number of flights can vary depending on the season and day of the week. If you have flexibility, it is worth looking at several departure days.
When does the first flight from Knoxville to Denver depart?
The earliest nonstop flight from Knoxville to Denver usually departs at 6:20 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in Denver.
When does the last flight from Knoxville to Denver depart?
The last nonstop flight from Knoxville to Denver usually departs at 5:55 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.