Illinois

$50+ Cheap flights from Atlanta (ATL) to Illinois

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ORD
Feb 16 — Feb 231
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Find cheap flights from Atlanta to Illinois with Cheapflights

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Cheap flight deals from Atlanta to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$64
(Frontier)

One-way from

$50
(Frontier)

Popular in

December

Cheapest in

April

Average price

$120

Good round-trip deal

$88 or less

Good one-way deal

$100 or less
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Chicago (CHI) flights.
From Atlanta Hartsfield-Jackson to Illinois
One-way flight from Atlanta Hartsfield-Jackson to Illinois
Highest demand for flights based on searches. 10% potential increase in price ($18 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Illinois.
Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Illinois.

Find flight deals from Atlanta to Illinois

Cheapest flights from Atlanta to Illinois
Explore the most affordable flight options available from Atlanta to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2025.

This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/18:58 pmATL - MDW
Nonstop2h 06mFrontier
Sun 3/24:08 pmMDW - ATL
Nonstop2h 15mFrontier
Deal found 2/10$66
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 3/76:25 amATL - ORD
Nonstop2h 18mFrontier
Mon 3/108:50 amORD - ATL
Nonstop2h 17mFrontier
Deal found 2/10$66
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
Wed 3/58:44 amATL - ORD
1 stop7h 06mSpirit Airlines
Wed 3/124:45 pmORD - ATL
1 stop13h 06mSpirit Airlines
Deal found 2/10$69
This Priceline deal was found by Cheapflights users on 2/10. 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.
Thu 2/271:45 pmATL - ORD
1 stop8h 48mMultiple Airlines
Tue 3/45:36 pmORD - ATL
Nonstop2h 23mMultiple Airlines
Deal found 2/10$81
This Southwest deal was found by Cheapflights users on 2/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1210:35 amATL - MDW
2 stops5h 45mSouthwest
Wed 3/125:15 pmMDW - ATL
Nonstop1h 55mSouthwest
Deal found 2/10$173
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/17:35 amATL - ORD
Nonstop2h 07mAmerican Airlines
Mon 3/32:50 pmORD - ATL
Nonstop1h 51mAmerican Airlines
Deal found 2/10$193
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:00 pmATL - MDW
Nonstop1h 56mDelta
Sat 9/1310:10 amMDW - ATL
Nonstop1h 54mDelta
Deal found 2/9$197
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:43 pmATL - ORD
Nonstop2h 20mDelta
Fri 9/126:00 amORD - ATL
Nonstop1h 56mDelta
Deal found 2/9$197
This Southwest deal was found by Cheapflights users on 2/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/137:55 amATL - ORD
2 stops9h 30mSouthwest
Sat 3/154:00 pmORD - ATL
1 stop7h 10mSouthwest
Deal found 2/11$202
This Southwest deal was found by Cheapflights users on 2/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/310:05 amATL - STL
1 stop4h 35mSouthwest
Sun 4/68:40 pmSTL - ATL
Nonstop1h 35mSouthwest
Deal found 2/10$257
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/258:55 amATL - STL
Nonstop1h 41mDelta
Tue 4/297:10 amSTL - ATL
Nonstop1h 35mDelta
Deal found 2/10$261
This Mytrip deal was found by Cheapflights users on 2/9. 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 4/38:05 amATL - STL
3 stops28h 40mMultiple Airlines
Wed 4/912:15 pmSTL - ATL
3 stops30h 21mMultiple Airlines
Deal found 2/9$263

Find flights from Atlanta to Illinois within your budget

Customize your flight search to find flights from Atlanta to Illinois 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 11, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Sat 3/1

8:58 pm-10:04 pm

Nonstop2h 06m

Chicago Midway

Sun 3/2

4:08 pm-7:23 pm

Nonstop2h 15m

$66

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Fri 3/7

6:25 am-7:43 am

Nonstop2h 18m

Chicago O'Hare Intl

Mon 3/10

8:50 am-12:07 pm

Nonstop2h 17m

$66

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 3/5

8:44 am-2:50 pm

1 stop7h 06m

Chicago O'Hare Intl

Wed 3/12

4:45 pm-6:51 am

1 stop13h 06m

$69

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Thu 2/27

1:45 pm-9:33 pm

1 stop8h 48m

Chicago O'Hare Intl

Tue 3/4

5:36 pm-8:59 pm

Nonstop2h 23m

$81

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Wed 3/12

10:35 am-3:20 pm

2 stops5h 45m

Chicago Midway

Wed 3/12

5:15 pm-8:10 pm

Nonstop1h 55m

$173

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 3/1

7:35 am-8:42 am

Nonstop2h 07m

Chicago O'Hare Intl

Mon 3/3

2:50 pm-5:41 pm

Nonstop1h 51m

$193

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Thu 3/13

7:55 am-4:25 pm

2 stops9h 30m

Chicago O'Hare Intl

Sat 3/15

4:00 pm-12:10 am

1 stop7h 10m

$202

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Tue 4/15

9:35 pm-10:26 pm

Nonstop1h 51m

Chicago Midway

Fri 4/18

5:59 pm-11:31 pm

1 stop4h 32m

$208

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 4/3

5:30 pm-9:55 pm

1 stop5h 25m

Lambert-St Louis

Mon 4/7

7:00 pm-9:35 pm

Nonstop1h 35m

$257

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Fri 4/25

8:55 am-9:36 am

Nonstop1h 41m

Lambert-St Louis

Tue 4/29

7:10 am-9:45 am

Nonstop1h 35m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

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