Cheap flights from Atlanta to Indianapolis from $18

In general, August is the cheapest month to fly from Atlanta to Indianapolis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $134. If you are unable to visit Indianapolis during the month of August, then departing from Atlanta during the month February is also very affordable. Most momondo users find prices during this month for around $138.

Our data shows that Thursday is the least expensive day to fly to Indianapolis. Tickets to fly out on this day can be as low as $166. 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 $272.

Flying to Indianapolis from Atlanta in the morning is the least expensive time of day to depart. momondo users have found prices as low as $173 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $228 on average. Flights to Indianapolis from Atlanta in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Atlanta Hartsfield-Jackson to Indianapolis for the best Atlanta Hartsfield-Jackson - Indianapolis flight prices

You are more likely to see cheaper flights to Indianapolis from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Indianapolis for around $190 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Indianapolis from Atlanta for as low as $114 on momondo.

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

Southwest is the most popular carrier operating from Atlanta Hartsfield-Jackson to Indianapolis

Delta, Frontier and Southwest are the top three most popular airlines that fly to Indianapolis from Atlanta according to our data. Delta is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Indianapolis. Keep in mind that there are 5 different airlines that fly to Indianapolis on a routine basis, so you have a few additional options to choose from.

As of October 2026, there are 12 flights per day flying from Atlanta to Indianapolis. The most common time of day flights depart is 10:00PM, with 44% of flights taking off in the evening.

As of October 2026, there are 90 flights per week flying from Atlanta to Indianapolis. The most common day of the week flights depart is Wed, with 43% of flights taking off on this day.