Cheap flights from Chicago to Missoula from $106

The month of November is, on average, the cheapest month to fly to Missoula from Chicago, with most prices found around $315. If you are unable to visit Missoula during the month of November, then departing from Chicago during the month August is also very affordable. Most momondo users find prices during this month for around $329.

On average, the least expensive day to fly to Missoula from Chicago is on a Saturday. momondo users have found tickets for Saturday departures for as low as $329. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $440.

The cheapest time of day to fly to Missoula is in the evening when flights can be purchased for as low as $282. Flights in the morning are often more expensive with an average ticket price of $416.

Fly from Chicago O'Hare Intl to Missoula Johnson-Bell Field for the best Chicago - Missoula Johnson-Bell Field flight prices

You are more likely to see cheaper flights to Missoula from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Missoula for around $414 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missoula from Chicago for as low as $283 on momondo.

There are 4 cabin classes available to choose from on Chicago to Missoula Johnson-Bell Field 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 Chicago to Missoula.

Alaska Airlines and Delta are the most popular carriers operating from Chicago to Missoula Johnson-Bell Field

American Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Missoula from Chicago according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Missoula. Keep in mind that there are 3 different airlines that fly to Missoula on a routine basis, so you have a few additional options to choose from.

As of February 2026, there are 1 flights per day flying from Chicago to Missoula. The most common time of day flights depart is 9:00AM, with 100% of flights taking off at noon.

As of February 2026, there are 12 flights per week flying from Chicago to Missoula. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.