Cheap flights from Colorado to Milwaukee from $70

The cheapest month to fly to Milwaukee from Colorado is in September. Flight prices, which tend to average around $267, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Milwaukee, with average flight prices from Colorado averaging around $287.

According to our data, Friday is the cheapest day to fly to Milwaukee from Colorado. The lowest ticket price found for a Friday departure recently was $301. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Colorado to Milwaukee on a Sunday will generally be more expensive and average around $489. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the afternoon is the cheapest time of day to fly from Colorado to Milwaukee when you can find flight prices for as low as $268. Flying to Milwaukee in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $378 per ticket.

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

You are more likely to see cheaper flights to Milwaukee from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Milwaukee for around $351 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Milwaukee from Colorado for as low as $260 on momondo.

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

Frontier, Southwest, and United Airlines are the most popular carriers operating from Colorado to Milwaukee-Mitchell

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Milwaukee from Colorado according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Milwaukee. Keep in mind that there are 6 different airlines that fly to Milwaukee on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 3 flights per day flying from Colorado to Milwaukee. The most common time of day flights depart is 11:00AM, with 43% of flights taking off in the afternoon.

As of March 2026, 22 flights take off from Colorado and land in Milwaukee each week. The most common flight departure day for this route is Thu, with 27% of weekly flights taking off on this day.