Cheap flights from Chicago to Bangor from $131

The month of October is, on average, the cheapest month to fly to Bangor, Maine from Chicago, with most prices found around $187. The month of September is another great option to travel to Bangor, Maine, with average flight prices from Chicago averaging around $229.

The cheapest day to depart from Chicago to Bangor, Maine is on a Monday. Travelers who choose to depart for Bangor, Maine on a Monday will often find tickets for as low as $366. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $451. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bangor, Maine.

According to our data, the cheapest time of day to fly to Bangor, Maine is in the afternoon. momondo users have found flights departing from Chicago to Bangor, Maine in the afternoon for as low as $343. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $428 on average. Flights to Bangor, Maine from Chicago in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Chicago O'Hare Intl to Bangor for the best Chicago - Bangor flight prices

You are more likely to see cheaper flights to Bangor, Maine from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangor, Maine for around $392 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangor, Maine from Chicago for as low as $338 on momondo.

There are 3 cabin classes available to choose from on Chicago to Bangor, Maine flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of June 2026, there are 6 flights per day flying from Chicago to Bangor, Maine. The most common time of day flights depart is 11:00AM, with 43% of flights taking off at noon.

As of June 2026, 44 flights take off from Chicago and land in Bangor, Maine each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.