Cheap flights from Tennessee to Denver from $48

The cheapest month to fly to Denver from Tennessee is in September. Flight prices, which tend to average around $243, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until October to fly from Tennessee, when ticket prices are also cheap, with an average price of $260.

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $275. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $378.

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $220. Flights at noon are often more expensive with an average ticket price of $398.

Fly from Knoxville McGhee Tyson to Denver Intl for the best Tennessee - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Tennessee when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $254 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Tennessee for as low as $200 on momondo.

There are 4 cabin classes available to choose from on Tennessee to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, Southwest, and United Airlines are the most popular carriers operating from Tennessee to Denver Intl

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from Tennessee according to our data. Frontier is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 7 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 19 flights per day flying from Tennessee to Denver. The most common time of day flights depart is 8:00AM, with 50% of flights taking off in the afternoon.

As of June 2026, 133 flights take off from Tennessee and land in Denver each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.