Cheap flights from Chicago to Indianapolis from $66

In general, August is the cheapest month to fly from Chicago to Indianapolis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $264. If you are unable to visit Indianapolis during the month of August, then departing from Chicago during the month November is also very affordable. Most momondo users find prices during this month for around $272.

Our data shows that Wednesday is the least expensive day to fly to Indianapolis. Tickets to fly out on this day can be as low as $277. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Indianapolis on Monday is $421.

Flying to Indianapolis from Chicago at noon is the least expensive time of day to depart. momondo users have found prices as low as $287 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $401 on average. Flights to Indianapolis from Chicago in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

There are 4 cabin classes available to choose from on Chicago to Indianapolis 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 27% on your flight if you consider stops on a Chicago to Indianapolis flight.

Southwest, Delta, and United Airlines are the most popular carriers operating from Chicago to Indianapolis

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Indianapolis from Chicago according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Indianapolis. Keep in mind that there are 3 different airlines that fly to Indianapolis on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Chicago and Indianapolis have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Southwest have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

As of April 2026, there are 76 flights per day flying from Chicago to Indianapolis. The most common time of day flights depart is 8:00PM, with 40% of flights taking off in the afternoon.

As of April 2026, 533 flights take off from Chicago and land in Indianapolis each week. The most common flight departure day for this route is Thu, with 16% of weekly flights taking off on this day.