Cheap flights from Montana to Colorado from $121

The month of October is, on average, the cheapest month to fly to Colorado from Montana, with most prices found around $58. The month of December is another great option to travel to Colorado, with average flight prices from Montana averaging around $126.

The cheapest day to depart from Montana to Colorado is on a Friday when prices can be found for as low as $387. On the other hand, Sunday is the most expensive day to depart from Montana because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $514.

The cheapest time of day to fly to Colorado is in the afternoon when flights can be purchased for as low as $353. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $448 per ticket.

Fly from Butte Silver Bow Co to Denver Intl for the best Montana - Colorado flight prices

You are more likely to see cheaper flights to Colorado from Montana when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $319 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Montana for as low as $256 on momondo.

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

Alaska Airlines, Southwest, and United Airlines are the most popular carriers operating from Montana to Colorado

United Airlines, Southwest and Delta are the top three most popular airlines that fly to Colorado from Montana according to our data. United Airlines is the first choice among our users, with 89% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 6 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

As of June 2026, 36 flights take off from Montana and land in Colorado each day. The most common flight departure time for this route is 2:00PM, with 53% of daily flights taking off in the afternoon.

As of June 2026, 254 flights take off from Montana and land in Colorado each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.