Cheap flights from Kentucky to Denver from $60

The cheapest month to fly to Denver from Kentucky is in April. Flight prices, which tend to average around $384, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in April, then you should wait until August to fly from Kentucky, when ticket prices are also cheap, with an average price of $387.

The cheapest day to depart on your flight to Denver is on a Tuesday when prices can be found for as low as $453. 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 $512.

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $427. Flights at noon are often more expensive with an average ticket price of $493.

Fly from Louisville Intl to Denver Intl for the best Kentucky - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $425 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Kentucky for as low as $318 on momondo.

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

Frontier, United Airlines, and Southwest are the most popular carriers operating from Kentucky to Denver Intl

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Denver from Kentucky according to our data. United Airlines is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 5 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

As of February 2026, 16 flights take off from Kentucky and land in Denver each day. The most common flight departure time for this route is 9:00AM, with 55% of daily flights taking off in the afternoon.

As of February 2026, there are 118 flights per week flying from Kentucky to Denver. The most common day of the week flights depart is Thu, with 25% of flights taking off on this day.