Cheap flights from Illinois to Bangor from $131

The month of October is, on average, the cheapest month to fly to Bangor, Maine from Illinois, with most prices found around $187. The month of August is another great option to travel to Bangor, Maine, with average flight prices from Illinois averaging around $228.

The cheapest day to depart from Illinois 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 $371. 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 at noon. momondo users have found flights departing from Illinois to Bangor, Maine at noon for as low as $348. 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 $423 on average. Flights to Bangor, Maine from Illinois 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 Illinois - Bangor flight prices

You are more likely to see cheaper flights to Bangor, Maine from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangor, Maine for around $387 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangor, Maine from Illinois for as low as $278 on momondo.

There are 3 cabin classes available to choose from on Illinois 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 May 2026, 1 flights take off from Illinois and land in Bangor, Maine each day. The most common flight departure time for this route is 6:00PM, with 70% of daily flights taking off in the evening.

As of May 2026, 8 flights take off from Illinois and land in Bangor, Maine each week. The most common flight departure day for this route is Mon, with 38% of weekly flights taking off on this day.