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$21+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATL
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
1 adult, Economy
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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 May 4, 2026.

This Super.com deal was found by Cheapflights users on 5/3. 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.
Wed 6/35:27 pm
STL
-
ATL
Nonstop1h 47m
Frontier
Mon 6/88:05 am
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 5/3$82
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
MDW
-
ATL
Nonstop2h 09m
Frontier
Mon 6/19:00 pm
ATL
-
MDW
Nonstop2h 02m
Frontier
Deal found 4/29$82
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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.
Thu 7/26:31 pm
STL
-
ATL
Nonstop2h 14m
Frontier
Sun 7/54:43 pm
ATL
-
STL
Nonstop1h 54m
Frontier
Deal found 5/1$83
This Super.com deal was found by Cheapflights users on 4/30. 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 5/281:50 pm
ORD
-
ATL
Nonstop2h 20m
Frontier
Thu 6/46:03 pm
ATL
-
ORD
Nonstop2h 26m
Frontier
Deal found 4/30$83
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
MDW
-
ATL
Nonstop2h 09m
Frontier
Sat 6/69:00 pm
ATL
-
MDW
Nonstop2h 02m
Frontier
Deal found 4/30$84
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Mon 5/256:55 am
ORD
-
ATL
Nonstop2h 39m
Frontier
Thu 5/286:35 am
ATL
-
ORD
Nonstop2h 20m
Frontier
Deal found 4/29$84
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:55 am
ORD
-
ATL
Nonstop2h 39m
Frontier
Mon 6/16:35 am
ATL
-
ORD
Nonstop2h 20m
Frontier
Deal found 4/30$85
This Super.com deal was found by Cheapflights users on 5/2. 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 5/266:00 am
MDW
-
ATL
Nonstop2h 09m
Frontier
Wed 5/279:00 pm
ATL
-
MDW
Nonstop2h 02m
Frontier
Deal found 5/2$86
This Priceline deal was found by Cheapflights users on 5/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:29 pm
ORD
-
ATL
Nonstop2h 20m
Frontier
Wed 6/36:03 pm
ATL
-
ORD
Nonstop2h 26m
Frontier
Deal found 5/3$86
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:04 pm
MDW
-
ATL
Nonstop2h 14m
Frontier
Sat 7/49:05 pm
ATL
-
MDW
Nonstop2h 06m
Frontier
Deal found 4/29$87
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:27 pm
STL
-
ATL
Nonstop1h 47m
Frontier
Mon 5/258:05 am
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 5/3$88
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Sat 5/3011:59 am
MDW
-
ATL
Nonstop2h 06m
Frontier
Mon 6/110:05 am
ATL
-
MDW
Nonstop2h 04m
Frontier
Deal found 4/30$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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$82
(Super.com)

One-way from

$21
(eDestinos)

Popular in

March

Cheapest in

August

Average price

$179

Good round-trip deal

$161 or less

Good one-way deal

$111 or less
Provider with most accurate pricing for Chicago (CHI)-Atlanta Hartsfield-Jackson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Atlanta Hartsfield-Jackson flights.
Search Deals
From Illinois to Atlanta Hartsfield-Jackson
Search Deals
One-way flight from Illinois to Atlanta Hartsfield-Jackson
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Atlanta Hartsfield-Jackson.
Search Deals
Price to beat on a one-way flight from Illinois to Atlanta Hartsfield-Jackson.
Search Deals

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 May 4, 2026.
Use the filters below to find and compare flights from Illinois to Atlanta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Tue 5/19

6:33 pm-9:23 pm

Nonstop1h 50m

Atlanta Hartsfield-Jackson

Wed 5/27

7:35 am-7:23 pm

1 stop12h 48m

$113

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Fri 8/7

7:00 am-9:37 am

Nonstop1h 37m

Atlanta Hartsfield-Jackson

Mon 8/10

7:30 am-8:08 am

Nonstop1h 38m

$119
Quickest round-trip

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Fri 7/10

10:51 am-1:25 pm

Nonstop1h 34m

Atlanta Hartsfield-Jackson

Mon 7/13

7:43 am-8:19 am

Nonstop1h 36m

$119

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 7/22

6:00 am-8:38 am

Nonstop1h 38m

Atlanta Hartsfield-Jackson

Tue 7/28

11:40 am-12:17 pm

Nonstop1h 37m

$119

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Sat 6/20

5:24 pm-8:06 pm

Nonstop1h 42m

Atlanta Hartsfield-Jackson

Sun 6/28

11:56 am-12:34 pm

Nonstop1h 38m

$119

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 7/1

1:39 pm-4:18 pm

Nonstop1h 39m

Atlanta Hartsfield-Jackson

Sun 7/5

11:10 pm-11:56 pm

Nonstop1h 46m

$119

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 6/4

7:01 pm-9:44 pm

Nonstop1h 43m

Atlanta Hartsfield-Jackson

Sun 6/7

11:10 pm-11:56 pm

Nonstop1h 46m

$119

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 7/2

7:12 pm-10:00 pm

Nonstop1h 48m

Atlanta Hartsfield-Jackson

Sun 7/5

8:55 am-9:37 am

Nonstop1h 42m

$119

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Sat 7/4

10:15 am-9:45 pm

2 stops10h 30m

Atlanta Hartsfield-Jackson

Wed 7/15

6:35 am-7:15 am

Nonstop1h 40m

$143

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 6/4

8:10 am-3:40 pm

1 stop6h 30m

Atlanta Hartsfield-Jackson

Sun 6/7

6:20 am-11:05 am

1 stop5h 45m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Illinois to Atlanta?

The best time to book flights from Illinois to Atlanta is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $147). Flying from Illinois to Atlanta in March is currently the most expensive (average of $303). 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 May 4, 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 44% 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 May 2, 2026.

Travelers seeking maximum savings on their Illinois to Atlanta flight should consider departing on Saturday 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 May 4, 2026.

The most flights from USIL to ATL are scheduled on a Monday (92 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (28 on average).

How much does it cost to fly round-trip from Illinois to Atlanta?

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 37m. Frontier provides one of the quickest options available for as low as $119. Illinois and Atlanta are separated by a distance of 484 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $35. 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?

    The most popular route from Illinois to Atlanta is Chicago O'Hare Intl - Atlanta Hartsfield-Jackson. You may also consider Chicago Midway - Atlanta Hartsfield-Jackson or Lambert-St Louis - Atlanta Hartsfield-Jackson.

  • 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: SkyWest Airlines (100%), Finnair (100%), Spirit Airlines (86%).

  • What are the cheapest flights from Illinois to Atlanta?

    Looking at all options, your cheapest flight can be booked for $49. While the most popular route (Chicago O'Hare Intl - Atlanta Hartsfield-Jackson) can be booked for $79 on average, our data indicates $529 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 $147). Flying from Illinois to Atlanta in March is currently the most expensive (average of $303). 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
Sandy Springs
Lawrenceville
Roswell
Norcross
Marietta
Lithia Springs
Peachtree Corners
Gainesville
Covington
Commerce
McDonough
Stockbridge
Kennesaw
Auburn
Dunwoody
Lithonia
Morrow
Suwanee

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Alternative routes for Illinois to Atlanta

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to Atlanta flights
John F Kennedy Intl to Atlanta flights
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John F Kennedy Intl to Jacksonville flights
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Newark to Asheville flights
Austin to Atlanta flights
Detroit to Atlanta flights
Hartford to Atlanta flights
Cleveland to Atlanta flights
San Diego to Atlanta flights
Orlando to Atlanta flights
John F Kennedy Intl to Asheville flights
West Palm Beach to Atlanta flights
Boston to Jacksonville flights
Portland to Atlanta flights
Ontario to Atlanta flights
O'Hare Intl to Jacksonville flights
Richmond to Atlanta flights
Kansas City to Atlanta flights
Philadelphia to Jacksonville flights
O'Hare Intl to Savannah flights
Las Vegas to Atlanta flights

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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$111FlexibilityNo cancel feeOn-time65%
FrontierCheapest$58Average$156FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$358FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$137Average$291FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$147Average$407FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$155Average$339FlexibilityNo cancel feeOn-time69%

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