Cheap flights from Chicago to Missoula from $128

The month of May is, on average, the cheapest month to fly to Missoula from Chicago, with most prices found around $362. If you are unable to visit Missoula during the month of May, then departing from Chicago during the month January is also very affordable. Most momondo users find prices during this month for around $384.

On average, the least expensive day to fly to Missoula from Chicago is on a Monday. momondo users have found tickets for Monday departures for as low as $420. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday 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 $555.

The cheapest time of day to fly to Missoula is in the morning when flights can be purchased for as low as $458. Flights in the evening are often more expensive with an average ticket price of $540.

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 $464 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 $291 on momondo.

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

You could potentially save up to 19% on your flight if you consider stops on a Chicago to Missoula flight.

As of October 2026, prices for Chicago to Missoula flights are approximately 41% more expensive when compared to flights at the same time last year.

As of October 2026, there are 1 flights per day flying from Chicago to Missoula. The most common time of day flights depart is 8:00AM, with 100% of flights taking off at noon.

As of October 2026, there are 8 flights per week flying from Chicago to Missoula. The most common day of the week flights depart is Thu, with 25% of flights taking off on this day.