- Cheapest roundtrip flight
- from€374
- Fastest outbound flight
- Fastest inbound flight
- non-stop flights
- 16x / week
- Flight distance
- 1,868 km
- Time difference
- Most popular airlines
- United Airlines
- Southwest Airlines
- Allegiant Air
- Frontier Airlines
- United 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.
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Matching outbound flightsTYS–DEN · 7 of 7
fromto
dep.arr.
durationstopovers
- October 4 – 10, 2026
- October 11 – 17, 2026
- October 18 – 24, 2026
- TYSDENnonstop
- TYSDENnonstop
- TYSDENnonstop
- TYSDENnonstop
- TYSDENnonstop
- TYSDENnonstop
- TYSDENnonstop
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 %
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. If you choose a connecting flight, allow more travel time. Typical one-stop itineraries take around 23 hours 33 minutes. For the quickest trip, a nonstop flight is usually the most comfortable choice.
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 16 to 17 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.