Cheap flights from the United States to Indianapolis from $66

In general, September is the cheapest month to fly from United States to Indianapolis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $329. If you are unable to visit Indianapolis during the month of September, then departing from United States during the month October is also very affordable. Most momondo users find prices during this month for around $335.

Our data shows that Saturday is the least expensive day to fly to Indianapolis. Tickets to fly out on this day can be as low as $311. 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 $503.

Flying to Indianapolis from United States at noon is the least expensive time of day to depart. momondo users have found prices as low as $346 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 $364 on average. Flights to Indianapolis from United States 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 United States - Indianapolis flight prices

You are more likely to see cheaper flights to Indianapolis from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Indianapolis for around $304 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Indianapolis from United States for as low as $241 on momondo.

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

Frontier, Southwest, and United Airlines are the most popular carriers operating from United States to Indianapolis

American Airlines, Delta and Frontier are the top three most popular airlines that fly to Indianapolis from United States according to our data. American Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Indianapolis. Keep in mind that there are 11 different airlines that fly to Indianapolis on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between United States and Indianapolis have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening 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, United Airlines have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

As of August 2026, there are 68 flights per day flying from United States to Indianapolis. The most common time of day flights depart is 1:00PM, with 41% of flights taking off in the afternoon.

476 flights are operational weekly from United States to Indianapolis as of August 2026. The most popular departure day for this route is Mon, with 28% of flights per week taking off on this day.