Cheap flights from Atlanta to Illinois from $29
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Illinois departing on 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Atlanta to Illinois
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Spirit Airlines flights from Atlanta to Illinois
Our best Spirit Airlines deals on Atlanta to Illinois flight tickets
Frontier flights from Atlanta to Illinois
Our best Frontier deals on Atlanta to Illinois flight tickets
See travel insights to Illinois from
How to get the cheapest flight ticket from Atlanta to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Atlanta is in April. Flight prices, which tend to average around $110, 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 April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $120.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Atlanta to Illinois is on a Thursday when prices can be found for as low as $193. Flights from Atlanta to Illinois on a Sunday will generally be more expensive and average around $312. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Atlanta to Illinois during this time can be as low as $151. Flights in the morning are often more expensive with an average ticket price of $253.
What is the cheapest Atlanta Hartsfield-Jackson to Illinois flight route?
Fly from Atlanta Hartsfield-Jackson to Chicago Midway for the best Atlanta Hartsfield-Jackson - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Atlanta when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $169 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Atlanta for as low as $138 on momondo.
What cabin class options are available on Atlanta Hartsfield-Jackson to Illinois flights?
There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Illinois?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Atlanta Hartsfield-Jackson to Illinois
What airlines fly to Illinois?
Frontier, Delta and United Airlines are the top three most popular airlines that fly to Illinois from Atlanta according to our data. Frontier is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Atlanta to Illinois on average per day?
The number of flights available between Atlanta and Illinois is 124 per day as of February 2025. The most frequent departure time is 9:00PM, with 39% of daily flights leaving in the evening.
How many flights depart from Atlanta to Illinois on average per week?
As of February 2025, 874 flights take off from Atlanta and land in Illinois each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.
Cheap Atlanta to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Atlanta to Illinois
When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Illinois?
Prices for flights from Atlanta Hartsfield-Jackson Airport to Illinois were last updated today.
How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Illinois?
The number of operators available for flights from Atlanta Hartsfield-Jackson Airport to Illinois is 7 as of February 2025.
How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Atlanta Hartsfield-Jackson Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Atlanta to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Atlanta to Illinois is Airbus A320neo (14.83% of total bookings). The next most popular plane models are Boeing 737-900 (11.74%), Airbus A319 (10.64%), and Boeing 717-200 (8.18%).
Best airlines flying from Atlanta to Illinois
Compare and see reviews for airlines that fly from Atlanta to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $37 | Free Cancellation | Rating 6.3 8,013 reviews | |||
| PriceFrom $48 | Free Cancellation | Rating 6.0 3,355 reviews | |||
| PriceFrom $102 | Free Cancellation | Rating 8.0 8,220 reviews | |||
| PriceFrom $116 | Free Cancellation | Rating 7.4 8,766 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $158 | Free Cancellation | Rating 8.1 4,411 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Atlanta to Illinois?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Atlanta to Illinois for you.
Can I find flights from Atlanta to Illinois with flexible booking policies on momondo?
All flight searches from Atlanta to Illinois on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Atlanta to Illinois?
Once all potential Atlanta to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Atlanta to Illinois right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Atlanta and alert you when they change.