Cheap flights from Miami to Denver from $120

The cheapest month to fly to Denver from Miami is in October. Flight prices, which tend to average around $200, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in October, then you should wait until January to fly from Miami, when ticket prices are also cheap, with an average price of $214.

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $292. 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 Monday, with ticket prices averaging around $357.

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $250. Flights in the afternoon are often more expensive with an average ticket price of $388.

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

You are more likely to see cheaper flights to Denver from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $288 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Miami for as low as $218 on momondo.

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

Sun Country Air, Southwest, and Delta are the most popular carriers operating from Miami to Denver Intl

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Denver from Miami according to our data. United Airlines is the first choice among our users, with 40% 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.

Historically, on average around 17% of flights between Miami and Denver have experienced a delay on any given week. The average delay length over the past 12 months has been 157 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Frontier have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

As of July 2026, there are 10 flights per day flying from Miami to Denver. The most common time of day flights depart is 8:00PM, with 54% of flights taking off at noon.

As of July 2026, there are 74 flights per week flying from Miami to Denver. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.