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$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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATL
Feb 24 — Mar 31
Tue 2/24
Tue 3/3
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 January 25, 2026.

This Frontier deal was found by Cheapflights users on 1/23. 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.
Sun 2/85:40 am
ORD
-
ATL
Nonstop2h 17m
Frontier
Wed 2/113:20 pm
ATL
-
ORD
Nonstop2h 22m
Frontier
Deal found 1/23$84
This Frontier deal was found by Cheapflights users on 1/24. 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.
Sat 1/319:38 am
MDW
-
ATL
Nonstop2h 07m
Frontier
Sun 2/810:37 am
ATL
-
MDW
Nonstop2h 08m
Frontier
Deal found 1/24$84
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Tue 2/1711:51 am
ORD
-
ATL
Nonstop2h 10m
Frontier
Sun 2/229:15 pm
ATL
-
ORD
Nonstop2h 24m
Frontier
Deal found 1/24$86
This Super.com deal was found by Cheapflights users on 1/24. 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.
Fri 3/61:09 pm
STL
-
ATL
Nonstop1h 44m
Frontier
Mon 3/912:28 pm
ATL
-
STL
Nonstop1h 51m
Frontier
Deal found 1/24$87
This Super.com deal was found by Cheapflights users on 1/23. 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.
Fri 2/65:40 am
ORD
-
ATL
Nonstop2h 17m
Frontier
Sun 2/88:53 pm
ATL
-
ORD
Nonstop2h 21m
Frontier
Deal found 1/23$87
This Super.com deal was found by Cheapflights users on 1/23. 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.
Fri 1/306:20 am
MDW
-
ATL
Nonstop2h 17m
Frontier
Sun 2/110:37 am
ATL
-
MDW
Nonstop2h 08m
Frontier
Deal found 1/23$87
This Frontier deal was found by Cheapflights users on 1/25. 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.
Sun 4/511:21 am
STL
-
ATL
Nonstop1h 46m
Frontier
Sun 4/129:40 am
ATL
-
STL
Nonstop1h 50m
Frontier
Deal found 1/25$88
This Frontier deal was found by Cheapflights users on 1/24. 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.
Fri 2/65:40 am
ORD
-
ATL
Nonstop2h 17m
Frontier
Fri 2/69:22 pm
ATL
-
ORD
Nonstop2h 24m
Frontier
Deal found 1/24$88
This Priceline deal was found by Cheapflights users on 1/23. 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.
Sun 2/16:20 am
MDW
-
ATL
Nonstop2h 17m
Frontier
Sun 2/110:37 am
ATL
-
MDW
Nonstop2h 08m
Frontier
Deal found 1/23$88
This Super.com deal was found by Cheapflights users on 1/24. 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.
Sat 2/76:03 am
ORD
-
ATL
Nonstop2h 21m
Frontier
Sat 3/149:47 am
ATL
-
ORD
Nonstop2h 29m
Frontier
Deal found 1/24$89
This Cheapflightsfares deal was found by Cheapflights users on 1/23. 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 2/79:38 am
MDW
-
ATL
Nonstop2h 07m
Frontier
Sat 2/288:35 pm
ATL
-
MDW
Nonstop2h 04m
Frontier
Deal found 1/23$89
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Tue 2/38:10 am
ORD
-
ATL
Nonstop2h 15m
Multiple Airlines
Tue 2/105:43 pm
ATL
-
ORD
1 stop7h 04m
Multiple Airlines
Deal found 1/24$90

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 January 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$84
(Cheapflightsfares)

One-way from

$28
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$250

Good round-trip deal

$170 or less

Good one-way deal

$125 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. 8% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 25, 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

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sun 2/1

5:40 am-8:57 am

Nonstop2h 17m

Atlanta Hartsfield-Jackson

Tue 2/3

5:00 pm-6:27 pm

Nonstop2h 27m

$84

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 2/7

7:20 am-8:49 pm

1 stop12h 29m

Atlanta Hartsfield-Jackson

Sat 3/14

5:25 am-11:21 am

1 stop6h 56m

$114

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Fri 2/20

5:05 am-8:22 am

Nonstop2h 17m

Atlanta Hartsfield-Jackson

Wed 2/25

9:10 pm-2:05 pm

1 stop17h 55m

$117

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Thu 3/12

8:41 pm-10:22 am

1 stop12h 41m

Atlanta Hartsfield-Jackson

Fri 3/20

9:15 pm-10:39 pm

Nonstop2h 24m

$125

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sun 3/15

5:01 am-8:18 am

Nonstop2h 17m

Atlanta Hartsfield-Jackson

Tue 3/17

5:09 pm-6:36 pm

Nonstop2h 27m

$126

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 2/14

4:42 pm-8:08 pm

Nonstop2h 26m

Atlanta Hartsfield-Jackson

Tue 2/17

1:22 pm-3:52 pm

1 stop27h 30m

$129

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Thu 2/5

5:40 am-8:57 am

Nonstop2h 17m

Atlanta Hartsfield-Jackson

Sat 2/7

9:06 am-2:17 pm

1 stop6h 11m

$131

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Mon 3/30

5:01 am-8:18 am

Nonstop2h 17m

Atlanta Hartsfield-Jackson

Fri 4/3

9:29 am-10:50 am

Nonstop2h 21m

$131

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Tue 3/24

7:17 am-7:12 pm

1 stop10h 55m

Atlanta Hartsfield-Jackson

Wed 3/25

5:25 am-11:21 am

1 stop6h 56m

$141

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 3/5

3:49 pm-7:19 am

1 stop14h 30m

Atlanta Hartsfield-Jackson

Mon 3/9

12:28 pm-1:19 pm

Nonstop1h 51m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 60 results
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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

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 January 25, 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 51% 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 24, 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 January 25, 2026.

The most flights from USIL to ATL are scheduled on a Sunday (70 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (38 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 56m. Frontier provides one of the quickest options available for as low as $157. Illinois and Atlanta are separated by a distance of 591 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 $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?

    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: PSA Airlines (100%), Malaysia Airlines (80%), British Airways (77%).

  • What are the cheapest flights from Illinois to Atlanta?

    Looking at all options, your cheapest flight can be booked for $53. While the most popular route (Chicago O'Hare Intl - Atlanta Hartsfield-Jackson) can be booked for $78 on average, our data indicates $826 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
Stone Mountain
Lawrenceville
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

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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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Cleveland to Atlanta flights
Philadelphia to Jacksonville flights
Minneapolis to Savannah flights
San Diego to Atlanta flights
Reagan-National to Jacksonville flights
Columbus to Atlanta flights
Indianapolis to Atlanta flights
Dallas/Fort Worth to Jacksonville flights
Minneapolis to Jacksonville flights
Dulles Intl to Jacksonville flights
Santa Ana to Atlanta flights
Kansas City 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 January 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$45Average$111FlexibilityNo cancel feeOn-time65%
FrontierCheapest$57Average$155FlexibilityNo cancel feeOn-time62%
DeltaCheapest$85Average$329FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$133Average$330FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$137Average$256FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$148Average$375FlexibilityNo cancel feeOn-time71%

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