Cheap flights from Georgia to Illinois from $85

The cheapest month to fly to Illinois from Georgia is in February. Flight prices, which tend to average around $171, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $184.

The cheapest day to depart from Georgia to Illinois is on a Thursday when prices can be found for as low as $275. Flights from Georgia to Illinois on a Monday will generally be more expensive and average around $461. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Georgia to Illinois during this time can be as low as $252. Flights at noon are often more expensive with an average ticket price of $411.

Fly from Savannah/Hilton Head to Belleville for the best Georgia - Illinois flight prices

You are more likely to see cheaper flights to Illinois from Georgia when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $244 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Georgia for as low as $209 on momondo.

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

Delta, Southwest, and United Airlines are the most popular carriers operating from Georgia to Illinois

Frontier, Delta and American Airlines are the top three most popular airlines that fly to Illinois from Georgia according to our data. Frontier is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

As of November 2026, there are 80 flights per day flying from Georgia to Illinois. The most common time of day flights depart is 9:00PM, with 38% of flights taking off in the afternoon.

As of November 2026, there are 564 flights per week flying from Georgia to Illinois. The most common day of the week flights depart is Sat, with 26% of flights taking off on this day.