$95+ Cheap flights from Atlanta (ATL) to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ORD
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Atlanta to Illinois 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
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Cheapest flights from Atlanta to IllinoisExplore 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 October 19, 2026.
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 October 19, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 12/76:00 am -
Nonstop2h 20m
Fri 12/1110:37 pm -
Nonstop2h 08m
Deal found 10/19![Frontier logo]()
$142
This Trip.com deal was found by Cheapflights users on 10/17. 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 11/145:00 pm -
Nonstop2h 30m
Sat 11/215:26 pm -
Nonstop2h 33m
Deal found 10/17![Frontier logo]()
$143
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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 11/412:27 pm -
1 stop28h 10m
Sat 11/77:35 pm -
Nonstop2h 16m
Deal found 10/14![Frontier logo]()
$144
This Super.com deal was found by Cheapflights users on 10/15. 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 11/1210:48 pm -
Nonstop1h 59m
Thu 11/196:42 pm -
Nonstop2h 11m
Deal found 10/15![Frontier logo]()
$145
This Super.com deal was found by Cheapflights users on 10/14. 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 11/57:44 am -
Nonstop2h 16m
Wed 11/117:35 pm -
Nonstop2h 16m
Deal found 10/14![Frontier logo]()
$145
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 11/1210:48 pm -
Nonstop1h 59m
Sat 11/146:42 pm -
Nonstop2h 11m
Deal found 10/16![Frontier logo]()
$146
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 11/115:00 pm -
Nonstop2h 30m
Sun 11/157:50 pm -
Nonstop2h 16m
Deal found 10/16![Frontier logo]()
$146
This Trip.com deal was found by Cheapflights users on 10/15. 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.
Mon 11/2311:20 am -
Nonstop2h 01m
Tue 11/241:16 pm -
Nonstop2h 08m
Deal found 10/15![Frontier logo]()
$147
This Priceline deal was found by Cheapflights users on 10/14. 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 11/124:11 pm -
1 stop7h 32m
Mon 11/167:50 pm -
Nonstop2h 16m
Deal found 10/14![Frontier logo]()
$147
This Expedia deal was found by Cheapflights users on 10/14. 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.
Thu 11/54:45 pm -
Nonstop2h 02m
Wed 11/116:42 pm -
Nonstop2h 11m
Deal found 10/14![Frontier logo]()
$148
This deal was found by Cheapflights users on 10/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:00 pm -
Nonstop2h 30m
Tue 11/107:35 pm -
Nonstop2h 16m
Deal found 10/17![Frontier logo]()
$148
This Frontier deal was found by Cheapflights users on 10/19. 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 11/410:48 pm -
Nonstop1h 59m
Wed 11/116:42 pm -
Nonstop2h 11m
Deal found 10/19![Frontier logo]()
$149
Best flights from Atlanta to IllinoisDiscover carefully curated flight deals from Atlanta to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Atlanta to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:37 pm -
Nonstop2h 23m
Thu 12/247:00 am -
Nonstop2h 07m
Deal found 10/19![United Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 10/3110:07 am -
1 stop10h 46m
Wed 11/47:36 pm -
1 stop11h 43m
Deal found 10/16![Multiple Airlines logo]()
$230
This Southwest deal was found by Cheapflights users on 10/14. 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 11/117:45 am -
Nonstop1h 55m
Wed 11/181:15 pm -
2 stops6h 15m
Deal found 10/14![Southwest logo]()
$242
This Delta deal was found by Cheapflights users on 10/15. 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 11/142:20 pm -
Nonstop1h 52m
Mon 11/165:13 pm -
Nonstop1h 57m
Deal found 10/15![Delta logo]()
$266
This Frontier deal was found by Cheapflights users on 10/19. 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 11/2012:25 pm -
Nonstop2h 19m
Sun 11/297:49 am -
Nonstop2h 25m
Deal found 10/19![Frontier logo]()
$313
This JetBlue deal was found by Cheapflights users on 10/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:44 pm -
1 stop11h 52m
Mon 11/167:00 am -
1 stop14h 50m
Deal found 10/15![JetBlue logo]()
$313
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 1/105:09 pm -
2 stops7h 58m
Mon 1/182:52 pm -
1 stop6h 37m
Deal found 10/16![American Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 10/14. 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.
Sat 11/146:40 am -
2 stops7h 15m
Mon 11/168:00 am -
1 stop3h 25m
Deal found 10/14![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 10/15. 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 11/219:30 am -
1 stop5h 29m
Thu 11/268:00 am -
Nonstop1h 56m
Deal found 10/15![Delta logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 11/37:56 pm -
1 stop24h 00m
Sat 11/78:33 pm -
1 stop10h 46m
Deal found 10/19![Multiple Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 10/15. 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.
Tue 11/1711:50 am -
1 stop6h 30m
Mon 11/2312:45 pm -
2 stops5h 35m
Deal found 10/15![Southwest logo]()
$280
This United Airlines deal was found by Cheapflights users on 10/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:20 pm -
Nonstop2h 23m
Wed 12/210:35 am -
Nonstop2h 08m
Deal found 10/17![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 10/15. 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.
Mon 11/233:30 pm -
1 stop5h 47m
Tue 12/110:36 am -
Nonstop2h 17m
Deal found 10/15![Delta logo]()
$315
This KAYAK deal was found by Cheapflights users on 10/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:27 am -
Nonstop2h 28m
Mon 11/97:20 pm -
Nonstop2h 02m
Deal found 10/19![American Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 10/17. 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 11/198:30 am -
1 stop5h 21m
Tue 12/16:00 am -
Nonstop2h 03m
Deal found 10/17![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 10/18. 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 11/182:55 pm -
1 stop5h 00m
Sun 11/228:45 am -
2 stops6h 50m
Deal found 10/18![Southwest logo]()
$325
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:37 pm -
1 stop6h 03m
Sat 1/23:43 pm -
1 stop4h 34m
Deal found 10/19![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 10/16. 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.
Fri 11/137:30 pm -
Nonstop1h 55m
Fri 11/205:05 am -
1 stop5h 30m
Deal found 10/16![Southwest logo]()
$327
This American Airlines deal was found by Cheapflights users on 10/18. 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 10/3110:49 am -
1 stop6h 23m
Sun 11/16:02 am -
2 stops9h 23m
Deal found 10/18![American Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 10/18. 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 11/219:35 pm -
Nonstop1h 56m
Sat 11/286:01 am -
Nonstop1h 57m
Deal found 10/18![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/17. 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.
Wed 12/238:13 pm -
1 stop5h 02m
Mon 12/284:08 pm -
1 stop6h 49m
Deal found 10/17![American Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 10/19. 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 4/110:25 am -
Nonstop1h 52m
Sun 4/44:00 pm -
Nonstop1h 50m
Deal found 10/19![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:36 pm -
1 stop5h 37m
Sun 11/16:25 am -
1 stop4h 58m
Deal found 10/19![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 10/17. 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 12/35:10 pm -
1 stop3h 45m
Sun 12/612:55 pm -
2 stops7h 20m
Deal found 10/17![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 10/19. 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.
Wed 3/319:36 pm -
Nonstop1h 47m
Sun 4/44:00 pm -
Nonstop1h 50m
Deal found 10/19![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/305:30 pm -
1 stop4h 45m
Wed 2/36:27 am -
1 stop6h 10m
Deal found 10/17![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 10/3010:49 am -
2 stops7h 10m
Sun 11/16:02 am -
2 stops9h 23m
Deal found 10/19![American Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/15. 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.
Sun 1/102:29 pm -
Nonstop1h 47m
Mon 1/186:01 am -
Nonstop1h 58m
Deal found 10/15![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 10/19. 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.
Sat 11/2111:40 am -
2 stops7h 50m
Tue 11/2412:50 pm -
2 stops5h 55m
Deal found 10/19![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 10/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/241:20 pm -
1 stop6h 40m
Tue 3/305:20 pm -
1 stop5h 10m
Deal found 10/16![United Airlines logo]()
$439
Last-minute flights from Atlanta to IllinoisDiscover last-minute flight deals from Atlanta to Illinois. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Illinois. Data last updated October 19, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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 11/412:27 pm -
1 stop28h 10m
Sat 11/77:35 pm -
Nonstop2h 16m
Deal found 10/14![Frontier logo]()
$144
This Frontier deal was found by Cheapflights users on 10/19. 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 11/410:48 pm -
Nonstop1h 59m
Wed 11/116:42 pm -
Nonstop2h 11m
Deal found 10/19![Frontier logo]()
$149
This Super.com deal was found by Cheapflights users on 10/14. 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 11/57:44 am -
Nonstop2h 16m
Wed 11/117:35 pm -
Nonstop2h 16m
Deal found 10/14![Frontier logo]()
$145
This Expedia deal was found by Cheapflights users on 10/14. 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.
Thu 11/54:45 pm -
Nonstop2h 02m
Wed 11/116:42 pm -
Nonstop2h 11m
Deal found 10/14![Frontier logo]()
$148
This deal was found by Cheapflights users on 10/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:00 pm -
Nonstop2h 30m
Tue 11/107:35 pm -
Nonstop2h 16m
Deal found 10/17![Frontier logo]()
$148
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 11/115:00 pm -
Nonstop2h 30m
Sun 11/157:50 pm -
Nonstop2h 16m
Deal found 10/16![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 10/15. 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 11/1210:48 pm -
Nonstop1h 59m
Thu 11/196:42 pm -
Nonstop2h 11m
Deal found 10/15![Frontier logo]()
$145
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 11/1210:48 pm -
Nonstop1h 59m
Sat 11/146:42 pm -
Nonstop2h 11m
Deal found 10/16![Frontier logo]()
$146
This Priceline deal was found by Cheapflights users on 10/14. 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 11/124:11 pm -
1 stop7h 32m
Mon 11/167:50 pm -
Nonstop2h 16m
Deal found 10/14![Frontier logo]()
$147
This FlightHub deal was found by Cheapflights users on 10/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:31 am -
1 stop9h 06m
Sun 11/1510:19 am -
Nonstop2h 13m
Deal found 10/15![Frontier logo]()
$149
This Trip.com deal was found by Cheapflights users on 10/17. 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 11/145:00 pm -
Nonstop2h 30m
Sat 11/215:26 pm -
Nonstop2h 33m
Deal found 10/17![Frontier logo]()
$143
This Trip.com deal was found by Cheapflights users on 10/15. 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.
Mon 11/2311:20 am -
Nonstop2h 01m
Tue 11/241:16 pm -
Nonstop2h 08m
Deal found 10/15![Frontier logo]()
$147
One-way flights from Atlanta to IllinoisSearch for one-way flight options from Atlanta to Illinois. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Atlanta to Illinois. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This CheapOair deal was found by Cheapflights users on 10/15. 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.
Mon 12/2110:59 pm -
Nonstop2h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 10/19. 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.
Mon 11/307:44 pm -
1 stop5h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 10/17. 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 11/1710:27 am -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Frontier logo]()
$96
This Super.com deal was found by Cheapflights users on 10/15. 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 11/2112:46 pm -
Nonstop1h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 10/19. 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 11/1110:07 am -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 10/14. 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 11/55:40 am -
1 stop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Thu 12/311:03 am -
1 stop10h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 10/14. 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 11/45:26 am -
1 stop6h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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 11/2410:04 pm -
Nonstop2h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 11/2411:20 am -
Nonstop2h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$100
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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 11/147:31 am -
1 stop9h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$100
This Trip.com deal was found by Cheapflights users on 10/16. 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.
Wed 10/284:45 pm -
Nonstop2h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$101
Find flight deals from Atlanta to Illinois
Keep the following information in mind while searching for Atlanta to Illinois flight deals. Data was last updated October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $142 (Cheapflightsfares) |
One-way from | $95 (CheapOair) |
Popular in | June |
Cheapest in | February |
Average price | $234 |
Good round-trip deal | $196 or less |
Good one-way deal | $140 or less |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from Atlanta to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AtlantaChicago
ATL Atlanta Hartsfield-Jackson - MDW Chicago Midway
ATLMDW
Atlanta Hartsfield-Jackson
Tue 1/12
7:00 am-12:40 pm
1 stop6h 40m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$109
AtlantaChicago
ATL Atlanta Hartsfield-Jackson - MDW Chicago Midway
ATLMDW
Atlanta Hartsfield-Jackson
Wed 12/16
4:45 pm-10:40 pm
1 stop6h 55m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$109
AtlantaChicago
ATL Atlanta Hartsfield-Jackson - MDW Chicago Midway
ATLMDW
Atlanta Hartsfield-Jackson
Sat 11/14
11:10 am-5:25 pm
2 stops7h 15m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$114
AtlantaChicago
ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl
ATLORD
Atlanta Hartsfield-Jackson
Fri 11/6
3:32 pm-4:50 pm
Nonstop2h 18m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
AtlantaChicago
ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl
ATLORD
Atlanta Hartsfield-Jackson
Fri 11/13
11:10 am-12:20 pm
Nonstop2h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
AtlantaChicago
ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl
ATLORD
Atlanta Hartsfield-Jackson
Sun 11/15
9:23 am-10:47 am
Nonstop2h 24m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$125
AtlantaChicago
ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl
ATLORD
Atlanta Hartsfield-Jackson
Fri 11/20
5:36 pm-7:00 pm
Nonstop2h 24m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$125
AtlantaSpringfield
ATL Atlanta Hartsfield-Jackson - SPI Springfield Capital
ATLSPI
Atlanta Hartsfield-Jackson
Tue 10/27
7:56 pm-6:56 pm
1 stop24h 00m
Springfield Capital
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$131
AtlantaChicago
ATL Atlanta Hartsfield-Jackson - MDW Chicago Midway
ATLMDW
Atlanta Hartsfield-Jackson
Mon 1/4
2:30 pm-5:50 pm
1 stop4h 20m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$137
AtlantaMoline
ATL Atlanta Hartsfield-Jackson - MLI Moline Quad-City
ATLMLI
Atlanta Hartsfield-Jackson
Fri 11/6
8:59 pm-10:39 am
1 stop14h 40m
Moline Quad-City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$144
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Atlanta to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Atlanta with our price prediction graph.
ATL-ORD
ATL-MDW
ATL-SPI
ATL-MLI
ATL-PIA
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 Atlanta to Illinois
ATL-USIL
ATL-ORD
ATL-MDW
ATL-SPI
ATL-MLI
What is the cheapest month to book a flight from Atlanta to Illinois?
Currently, February is the cheapest month in which you can book a flight from Atlanta to Illinois (average of $160). Flying from Atlanta to Illinois in June is currently the most expensive (average of $287). 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 ATL to IL?
Find hourly flight availability from Atlanta to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 19, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 14% on flights from Atlanta to Illinois by exploring options for tickets in the evening.
Weekly flight availability from Atlanta to Illinois
Explore weekly flight availability from Atlanta to Illinois. 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 October 19, 2026.
The most flights from ATL to USIL are scheduled on a Saturday (89 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (71 on average).
How much does it cost to fly round-trip from Atlanta to Illinois?
Airfare is below average for this route at the moment.
Atlanta to Illinois flights typically cost between $174 and $338 in December.The cheapest round-trip price found within the last 5 days was $142 on Frontier (Dec 7-Dec 11).
How far ahead should I book a flight from Atlanta to Illinois?
To ensure you get the cheapest price possible for a flight from Atlanta to Illinois, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Atlanta to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Atlanta to Illinois. Price data was last updated on October 17, 2026.
Travelers seeking maximum savings on their Atlanta to Illinois flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated October 19, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Atlanta to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.4
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Entertainment
7.4
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Entertainment
7.4
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Entertainment
7.4
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Entertainment
7.4
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Entertainment
7.4
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Atlanta to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Atlanta to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Atlanta to Illinois by cabin class
Find flights from Atlanta to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Atlanta and Illinois flights
Browse other Atlanta and Illinois flight options. Last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Atlanta to Illinois flights
Consider these flights traveling from Atlanta to Illinois.
Top 6 airlines flying from Atlanta to Illinois
Discover the top 6 airlines that operate flights from Atlanta to Illinois. 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 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$189 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$110 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$443 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$161 | Average$362 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$191 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$338 | FlexibilityNo cancel fee | On-time63% |