Cheap flights from Chicago O'Hare Intl Airport to Bozeman from $146

The month of January is, on average, the cheapest month to fly to Bozeman from Chicago O'Hare Intl Airport, with most prices found around $306. If you don’t want to visit Bozeman in January, then you should wait until October to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $356.

Our data shows that Tuesday is the least expensive day to fly to Bozeman. Tickets to fly out on this day can be as low as $364. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to Bozeman for around $398.

Our most recent data shows that the best time of day to fly to Bozeman is at noon. Flights from Chicago O'Hare Intl Airport to Bozeman during this time can be as low as $362. In contrast, the most expensive time of day to depart to Bozeman is in the afternoon when prices are around $411.

Fly from Chicago O'Hare Intl to Bozeman Gallatin Field for the best Chicago O'Hare Intl - Bozeman Gallatin Field flight prices

You are more likely to see cheaper flights to Bozeman from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bozeman for around $381 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bozeman from Chicago O'Hare Intl Airport for as low as $317 on momondo.

There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport to Bozeman 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 6% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Bozeman flight.

As of September 2026, prices for Chicago O'Hare Intl Airport to Bozeman flights are approximately 34% cheaper when compared to flights at the same time last year.

Alaska Airlines, United Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl to Bozeman Gallatin Field

American Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Bozeman from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Bozeman. Keep in mind that there are 4 different airlines that fly to Bozeman on a routine basis, so you have a few additional options to choose from.

3 flights are operational daily from Chicago O'Hare Intl Airport to Bozeman as of September 2026. The most popular departure time for this route is 10:00AM, with 51% of flights per day taking off in the afternoon.

As of September 2026, there are 24 flights per week flying from Chicago O'Hare Intl Airport to Bozeman. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.