Cheap flights from Wisconsin to Denver from $54

The cheapest month to fly to Denver from Wisconsin is in September. Flight prices, which tend to average around $245, 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 August to fly from Wisconsin, when ticket prices are also cheap, with an average price of $277.

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $366. 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 $433.

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $286. Flights in the morning are often more expensive with an average ticket price of $428.

Fly from Milwaukee-Mitchell to Denver Intl for the best Wisconsin - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Wisconsin when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $330 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Wisconsin for as low as $234 on momondo.

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

United Airlines, Sun Country Air, and Delta are the most popular carriers operating from Wisconsin to Denver Intl

United Airlines, Frontier and Allegiant Air are the top three most popular airlines that fly to Denver from Wisconsin according to our data. United Airlines is the first choice among our users, with 59% 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.

As of March 2026, 72 flights take off from Wisconsin and land in Denver each day. The most common flight departure time for this route is 4:00PM, with 46% of daily flights taking off in the afternoon.

As of March 2026, there are 507 flights per week flying from Wisconsin to Denver. The most common day of the week flights depart is Sun, with 20% of flights taking off on this day.