Atlanta

$28+ Cheap flights from Illinois to Atlanta (ATL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATL
Mar 5 — Mar 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Atlanta with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Atlanta

Cheapest flights from Illinois to Atlanta
Explore the most affordable flight options available from Illinois to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Super.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:17 pm
STL
-
ATL
Nonstop1h 40m
Frontier
Fri 2/136:00 am
ATL
-
STL
Nonstop1h 51m
Frontier
Deal found 2/2$77
This Cheapflightsfares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/138:20 pm
STL
-
ATL
Nonstop1h 40m
Frontier
Sat 2/146:00 am
ATL
-
STL
Nonstop1h 51m
Frontier
Deal found 2/1$78
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/138:20 pm
STL
-
ATL
Nonstop1h 40m
Frontier
Mon 2/166:00 am
ATL
-
STL
Nonstop1h 51m
Frontier
Deal found 2/1$82
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:42 pm
ORD
-
ATL
Nonstop2h 26m
Multiple Airlines
Sat 3/73:12 pm
ATL
-
ORD
1 stop7h 01m
Multiple Airlines
Deal found 2/2$85
This Super.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:25 am
MDW
-
ATL
Nonstop2h 17m
Frontier
Sat 2/148:04 pm
ATL
-
MDW
Nonstop2h 04m
Frontier
Deal found 2/3$86
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:16 pm
ORD
-
ATL
1 stop13h 08m
Multiple Airlines
Thu 3/129:23 am
ATL
-
ORD
Nonstop2h 29m
Multiple Airlines
Deal found 2/2$86
This Super.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:27 am
STL
-
ATL
Nonstop1h 40m
Frontier
Thu 4/29:40 am
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 2/2$87
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:25 am
MDW
-
ATL
Nonstop2h 17m
Frontier
Tue 2/176:04 pm
ATL
-
MDW
Nonstop2h 03m
Frontier
Deal found 2/2$87
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:15 am
ORD
-
ATL
1 stop7h 52m
Spirit Airlines
Wed 2/255:25 am
ATL
-
ORD
1 stop6h 57m
Spirit Airlines
Deal found 2/2$87
This Cheapflightsfares deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:21 am
STL
-
ATL
Nonstop1h 46m
Frontier
Sun 5/109:40 am
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 2/3$88
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:00 am
MDW
-
ATL
Nonstop2h 26m
Frontier
Thu 3/196:44 pm
ATL
-
MDW
Nonstop2h 03m
Frontier
Deal found 2/2$88
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:42 pm
ORD
-
ATL
Nonstop2h 26m
Frontier
Sun 3/110:40 pm
ATL
-
ORD
1 stop15h 23m
Frontier
Deal found 2/2$88

Find flight deals from Illinois to Atlanta

Keep the following information in mind while searching for Illinois to Atlanta flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$78
(Cheapflightsfares)

One-way from

$28
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$177

Good round-trip deal

$143 or less

Good one-way deal

$109 or less
Provider with most accurate pricing for Chicago (CHI)-Atlanta Hartsfield-Jackson flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Atlanta Hartsfield-Jackson flights.
From Illinois to Atlanta Hartsfield-Jackson
One-way flight from Illinois to Atlanta Hartsfield-Jackson
Highest demand for flights based on searches. 7% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Illinois to Atlanta Hartsfield-Jackson.
Price to beat on a one-way flight from Illinois to Atlanta Hartsfield-Jackson.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Atlanta that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Illinois to Atlanta that are best for you.

Fly from

Illinois

Fly to

Atlanta

Route

Depart

Return

Price

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Mon 2/23

8:22 pm-11:02 pm

Nonstop1h 40m

Atlanta Hartsfield-Jackson

Wed 2/25

1:22 pm-10:27 pm

1 stop10h 05m

$93

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 4/18

5:01 am-8:10 am

Nonstop2h 09m

Atlanta Hartsfield-Jackson

Wed 4/29

9:23 am-10:44 am

Nonstop2h 21m

$97

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 2/26

10:11 pm-1:04 pm

1 stop13h 53m

Atlanta Hartsfield-Jackson

Sat 2/28

6:00 am-6:51 am

Nonstop1h 51m

$102

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Fri 3/6

4:44 pm-8:10 pm

Nonstop2h 26m

Atlanta Hartsfield-Jackson

Mon 3/9

5:47 pm-11:47 pm

1 stop7h 00m

$104

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Thu 4/9

4:31 pm-7:57 pm

Nonstop2h 26m

Atlanta Hartsfield-Jackson

Mon 4/13

9:29 am-10:50 am

Nonstop2h 21m

$106

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 2/21

4:42 pm-8:08 pm

Nonstop2h 26m

Atlanta Hartsfield-Jackson

Mon 2/23

9:15 pm-10:39 pm

Nonstop2h 24m

$112

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Tue 2/10

11:51 am-3:01 pm

Nonstop2h 10m

Atlanta Hartsfield-Jackson

Tue 2/17

5:25 am-11:22 am

1 stop6h 57m

$118

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Fri 3/6

6:51 pm-9:00 am

1 stop13h 09m

Atlanta Hartsfield-Jackson

Sun 3/15

9:23 am-10:52 am

Nonstop2h 29m

$119

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 2/14

4:42 pm-8:08 pm

Nonstop2h 26m

Atlanta Hartsfield-Jackson

Sat 2/21

6:15 am-7:50 pm

1 stop14h 35m

$119

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 2/7

6:57 pm-8:46 am

1 stop12h 49m

Atlanta Hartsfield-Jackson

Wed 2/18

3:30 pm-4:52 pm

Nonstop2h 22m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Illinois to Atlanta

Have a flexible travel schedule? Discover the best time to fly to Atlanta from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Atlanta

What is the cheapest month to book a flight from Illinois to Atlanta?

Currently, February is the cheapest month in which you can book a flight from Illinois to Atlanta (average of $36). Flying from Illinois to Atlanta in July is currently the most expensive (average of $79). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to ATL?

Find hourly flight availability from Illinois to Atlanta. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 2026.

A simple way to save on the total cost of your ticket is to fly from Illinois to Atlanta in the evening. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Illinois to Atlanta?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Atlanta. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their Illinois to Atlanta flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Illinois to Atlanta

Explore weekly flight availability from Illinois to Atlanta. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 3, 2026.

The most flights from USIL to ATL are scheduled on a Friday (72 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Atlanta. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Atlanta from Illinois?

    If you book a flight to Atlanta from Illinois, you will be flying to Hartsfield-Jackson, which is the city’s only airport. Atlanta Hartsfield-Jackson (ATL) is located 8.2 mi from the center of Atlanta.

  • How long is the flight from Illinois to Atlanta?

    A quick flight from Illinois to Atlanta can take about 1h 34m. Frontier provides one of the quickest options available for as low as $187. Illinois and Atlanta are separated by a distance of 484 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from Illinois to Atlanta one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $29. However, be on the lookout for offers from Frontier and American Airlines, as they are both options that can get you from Illinois to Atlanta for a low price.

  • What are the most popular routes from Illinois to Atlanta?

  • What are the most reliable airlines from Illinois to Atlanta?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Atlanta on time: PSA Airlines (100%), Malaysia Airlines (80%), Envoy Air (78%).

  • What are the cheapest flights from Illinois to Atlanta?

    Looking at all options, your cheapest flight can be booked for $50. While the most popular route (Chicago O'Hare Intl - Atlanta Hartsfield-Jackson) can be booked for $66 on average, our data indicates $760 when flying from Illinois to Atlanta.

  • Can I find deals for flights from Illinois to Atlanta that include hotel bookings?

    Yes. In addition to deals on Illinois to Atlanta flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Atlanta?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Atlanta.

  • Can I find deals for business class flights from Illinois to Atlanta?

    Yes. Cheapflights offers flight deals from Illinois to Atlanta by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Atlanta?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Atlanta (average of $36). Flying from Illinois to Atlanta in July is currently the most expensive (average of $79). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
College Park
Duluth
McDonough
Norcross
Roswell
Marietta
Lawrenceville
Stone Mountain
Conyers
Lithia Springs
Kennesaw
Peachtree Corners
Buford
Lithonia
Covington
Smyrna
Commerce
Douglasville
Auburn
Suwanee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Atlanta

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Illinois to Atlanta

Discover the top 6 airlines that operate flights from Illinois to Atlanta. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$45Average$112FlexibilityNo cancel feeOn-time65%
FrontierCheapest$58Average$155FlexibilityNo cancel feeOn-time62%
DeltaCheapest$85Average$332FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$135Average$330FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$147Average$254FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$148Average$376FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.