Cheap flights from Jacksonville to Denver from $102

The cheapest month to fly to Denver from Jacksonville is in September. Flight prices, which tend to average around $374, 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 Jacksonville, when ticket prices are also cheap, with an average price of $390.

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $459. 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 $584.

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $446. Flights in the morning are often more expensive with an average ticket price of $506.

Fly from Jacksonville to Denver Intl for the best Jacksonville - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $454 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Jacksonville for as low as $392 on momondo.

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

No. A direct flight is the cheapest option for a flight between Jacksonville to Denver.

As of April 2026, prices for Jacksonville to Denver flights are approximately 42% more expensive when compared to flights at the same time last year.

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

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Denver from Jacksonville according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

Atlanta (ATL) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $207.

Flights connecting via St. Louis (STL) have the shortest average one-way travel time: 5h 40m.

St. Louis (STL) has the shortest average layover time for this route: 1h 03m.

As of April 2026, 2 flights take off from Jacksonville and land in Denver each day. The most common flight departure time for this route is 8:00AM, with 39% of daily flights taking off at noon.

As of April 2026, 19 flights take off from Jacksonville and land in Denver each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.