Cheap flights from Atlanta to Chicago from $86

The month of February is, on average, the cheapest month to fly to Chicago from Atlanta, with most prices found around $157. If you’re not able to fly to Chicago in February, then January is your next best option. Flight prices from Atlanta to Chicago during January average around $167.

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $273. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Atlanta to Chicago for around $446.

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Atlanta to Chicago during this time can be as low as $249. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $402.

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

You are more likely to see cheaper flights to Chicago from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $241 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Atlanta for as low as $209 on momondo.

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

No. A direct flight is the cheapest option for a flight between Atlanta to Chicago.

As of October 2026, prices for Atlanta to Chicago flights are approximately 103% more expensive when compared to flights at the same time last year.

Frontier, Southwest, and Delta are the most popular carriers operating from Atlanta Hartsfield-Jackson to Chicago

Frontier, Delta and United Airlines are the top three most popular airlines that fly to Chicago from Atlanta according to our data. Frontier is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 5 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Atlanta and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 125 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.

Wednesday 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 8% of their flights experiencing any sort of delay.

As of October 2026, there are 45 flights per day flying from Atlanta to Chicago. The most common time of day flights depart is 7:00PM, with 43% of flights taking off in the afternoon.

320 flights are operational weekly from Atlanta to Chicago as of October 2026. The most popular departure day for this route is Thu, with 32% of flights per week taking off on this day.