$23+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ORD
Sep 6 — Sep 131
Round-trip
1 adult, Economy
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Find cheap flights from Atlanta to Illinois with Cheapflights
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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 August 7, 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 August 7, 2026.
This Super.com deal was found by Cheapflights users on 8/3. 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.
Fri 8/284:28 pm -
Nonstop1h 54m
Mon 8/316:17 pm -
Nonstop2h 03m
Deal found 8/3![Frontier logo]()
$75
This Frontier deal was found by Cheapflights users on 8/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:28 pm -
Nonstop1h 54m
Sun 8/306:17 pm -
Nonstop2h 03m
Deal found 8/2![Frontier logo]()
$76
This Flightnetwork deal was found by Cheapflights users on 8/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:25 pm -
Nonstop1h 45m
Wed 9/232:29 pm -
Nonstop1h 41m
Deal found 8/2![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Sun 10/258:50 am -
Nonstop1h 50m
Wed 10/2810:35 am -
Nonstop1h 40m
Deal found 8/4![Frontier logo]()
$78
This Frontier deal was found by Cheapflights users on 8/4. 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 8/244:28 pm -
Nonstop1h 54m
Sun 8/306:17 pm -
Nonstop2h 03m
Deal found 8/4![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 8/6. 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.
Mon 9/2112:25 pm -
Nonstop1h 45m
Wed 9/232:29 pm -
Nonstop1h 41m
Deal found 8/6![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Mon 9/2112:25 pm -
Nonstop1h 45m
Fri 9/252:29 pm -
Nonstop1h 41m
Deal found 8/6![Frontier logo]()
$97
This Travelocity deal was found by Cheapflights users on 8/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:00 am -
1 stop12h 15m
Thu 10/2910:35 am -
Nonstop1h 40m
Deal found 8/4![Frontier logo]()
$100
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:01 am -
1 stop12h 10m
Mon 9/76:17 pm -
Nonstop2h 03m
Deal found 8/3![Frontier logo]()
$101
This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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.
Fri 9/44:28 pm -
Nonstop1h 54m
Mon 9/74:23 pm -
1 stop16h 36m
Deal found 8/2![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 8/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:30 pm -
1 stop7h 45m
Sun 10/2510:35 am -
Nonstop1h 40m
Deal found 8/2![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:44 am -
Nonstop2h 18m
Tue 8/257:05 am -
Nonstop2h 25m
Deal found 8/3![Frontier logo]()
$150
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 August 7, 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 August 7, 2026.
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:45 pm -
Nonstop1h 42m
Tue 9/17:00 am -
Nonstop1h 37m
Deal found 8/2![Delta logo]()
$117
This Southwest deal was found by Cheapflights users on 8/6. 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 10/111:10 am -
1 stop6h 45m
Sat 10/310:05 am -
Nonstop1h 30m
Deal found 8/6![Southwest logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 10/1610:05 am -
1 stop10h 01m
Sun 10/1810:30 am -
1 stop12h 57m
Deal found 8/5![Multiple Airlines logo]()
$251
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/411:08 am -
Nonstop2h 19m
Fri 9/119:07 am -
Nonstop2h 12m
Deal found 8/6![United Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 8/4. 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 10/2310:05 am -
Nonstop1h 46m
Fri 10/235:35 pm -
Nonstop1h 39m
Deal found 8/4![Delta logo]()
$137
This Southwest deal was found by Cheapflights users on 8/6. 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 9/87:45 pm -
1 stop3h 30m
Sat 9/128:30 am -
Nonstop1h 30m
Deal found 8/6![Southwest logo]()
$137
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:20 pm -
1 stop5h 05m
Tue 9/221:26 pm -
1 stop6h 30m
Deal found 8/2![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/6. 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 12/38:05 am -
Nonstop1h 48m
Sun 12/65:37 pm -
Nonstop1h 40m
Deal found 8/6![Delta logo]()
$137
This JetBlue deal was found by Cheapflights users on 8/5. 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.
Fri 9/252:16 pm -
1 stop8h 42m
Mon 9/286:00 am -
1 stop5h 37m
Deal found 8/5![JetBlue logo]()
$311
This Delta deal was found by Cheapflights users on 8/6. 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 9/2511:01 pm -
Nonstop1h 41m
Sun 9/276:00 am -
Nonstop1h 35m
Deal found 8/6![Delta logo]()
$137
This Delta deal was found by Cheapflights users on 8/4. 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 9/2412:45 pm -
Nonstop1h 38m
Sun 9/276:00 am -
Nonstop1h 35m
Deal found 8/4![Delta logo]()
$137
This Delta deal was found by Cheapflights users on 8/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:56 pm -
Nonstop1h 37m
Mon 9/77:00 am -
Nonstop1h 37m
Deal found 8/3![Delta logo]()
$138
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:15 am -
Nonstop1h 41m
Mon 8/3112:52 pm -
Nonstop1h 41m
Deal found 8/2![Delta logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/310:13 am -
2 stops10h 40m
Sat 10/108:33 pm -
1 stop12h 28m
Deal found 8/4![Multiple Airlines logo]()
$255
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:21 pm -
Nonstop2h 20m
Mon 9/77:00 am -
Nonstop2h 12m
Deal found 8/3![United Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 8/5. 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 8/297:55 am -
Nonstop1h 50m
Sat 8/293:05 pm -
Nonstop1h 50m
Deal found 8/5![Southwest logo]()
$257
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/34:18 pm -
1 stop4h 57m
Sun 9/64:25 pm -
1 stop4h 18m
Deal found 8/2![American Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 11/59:23 pm -
1 stop22h 45m
Mon 11/97:03 pm -
1 stop12h 46m
Deal found 8/4![Multiple Airlines logo]()
$280
This JetBlue deal was found by Cheapflights users on 8/6. 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.
Thu 10/18:00 am -
1 stop6h 45m
Sat 10/310:59 am -
1 stop5h 47m
Deal found 8/6![JetBlue logo]()
$311
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:00 am -
2 stops6h 05m
Wed 9/27:25 pm -
Nonstop1h 50m
Deal found 8/2![Southwest logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Wed 8/1210:48 pm -
1 stop12h 59m
Sun 8/1611:37 am -
1 stop19h 39m
Deal found 8/6![Multiple Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/211:08 am -
1 stop4h 49m
Wed 9/95:50 am -
1 stop6h 47m
Deal found 8/5![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 8/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:29 am -
1 stop6h 20m
Sun 9/135:02 am -
1 stop3h 47m
Deal found 8/3![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 8/4. 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 9/158:00 am -
2 stops6h 05m
Thu 9/175:30 am -
Nonstop1h 45m
Deal found 8/4![Southwest logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/1510:48 pm -
1 stop12h 59m
Thu 8/203:59 pm -
2 stops26h 25m
Deal found 8/2![Multiple Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 8/6. 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 10/38:12 pm -
1 stop4h 53m
Tue 10/65:03 pm -
1 stop4h 17m
Deal found 8/6![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/6. 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 9/510:40 pm -
Nonstop2h 17m
Sun 9/66:40 am -
Nonstop2h 02m
Deal found 8/6![Delta logo]()
$221
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:40 pm -
1 stop4h 45m
Wed 10/211:35 pm -
2 stops6h 00m
Deal found 8/2![Southwest logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 10/18:20 pm -
1 stop12h 39m
Sat 10/38:58 pm -
2 stops18h 43m
Deal found 8/3![Multiple Airlines logo]()
$287
This American Airlines deal was found by Cheapflights users on 8/5. 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 9/44:18 pm -
2 stops8h 41m
Tue 9/86:00 am -
1 stop4h 25m
Deal found 8/5![American Airlines logo]()
$324
Last-minute flights from Atlanta to IllinoisDiscover last-minute flight deals from Atlanta to Illinois. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Illinois. Data last updated August 7, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:44 am -
Nonstop2h 18m
Tue 8/257:05 am -
Nonstop2h 25m
Deal found 8/3![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 8/4. 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 8/244:28 pm -
Nonstop1h 54m
Sun 8/306:17 pm -
Nonstop2h 03m
Deal found 8/4![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 8/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:28 pm -
Nonstop1h 54m
Sun 8/306:17 pm -
Nonstop2h 03m
Deal found 8/2![Frontier logo]()
$76
This Super.com deal was found by Cheapflights users on 8/3. 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.
Fri 8/284:28 pm -
Nonstop1h 54m
Mon 8/316:17 pm -
Nonstop2h 03m
Deal found 8/3![Frontier logo]()
$75
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 9/35:01 am -
1 stop12h 10m
Mon 9/76:17 pm -
Nonstop2h 03m
Deal found 8/4![Frontier logo]()
$100
This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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.
Fri 9/44:28 pm -
Nonstop1h 54m
Mon 9/74:23 pm -
1 stop16h 36m
Deal found 8/2![Frontier logo]()
$103
This FlightHub deal was found by Cheapflights users on 8/5. 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.
Sat 9/56:07 pm -
1 stop23h 04m
Mon 9/76:17 pm -
Nonstop2h 03m
Deal found 8/5![Frontier logo]()
$109
This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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 9/108:00 am -
Nonstop2h 20m
Thu 9/101:01 pm -
1 stop9h 07m
Deal found 8/2![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 8/5. 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 9/1112:25 pm -
Nonstop1h 45m
Thu 9/2410:20 am -
1 stop11h 48m
Deal found 8/5![Frontier logo]()
$105
This Flightnetwork deal was found by Cheapflights users on 8/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:25 pm -
Nonstop1h 45m
Wed 9/232:29 pm -
Nonstop1h 41m
Deal found 8/2![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 8/5. 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 9/2112:25 pm -
Nonstop1h 45m
Wed 9/232:29 pm -
Nonstop1h 41m
Deal found 8/5![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Mon 9/2112:25 pm -
Nonstop1h 45m
Fri 9/252:29 pm -
Nonstop1h 41m
Deal found 8/6![Frontier logo]()
$97
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 August 7, 2026.
Search for one-way flight options from Atlanta to Illinois. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
This Super.com deal was found by Cheapflights users on 8/2. 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.
Mon 10/512:25 pm -
Nonstop1h 45m
Deal found 8/2![Frontier logo]()
$23
This Super.com deal was found by Cheapflights users on 8/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:25 pm -
Nonstop1h 45m
Deal found 8/1![Frontier logo]()
$28
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Sun 11/18:50 am -
Nonstop1h 50m
Deal found 8/2![Frontier logo]()
$30
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Wed 10/712:25 pm -
Nonstop1h 45m
Deal found 8/2![Frontier logo]()
$37
This Super.com deal was found by Cheapflights users on 8/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:25 pm -
Nonstop1h 45m
Deal found 8/1![Frontier logo]()
$38
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 8/244:28 pm -
Nonstop1h 54m
Deal found 8/4![Frontier logo]()
$42
This Cheapflightsfares deal was found by Cheapflights users on 8/6. 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 9/2112:25 pm -
Nonstop1h 45m
Deal found 8/6![Frontier logo]()
$57
This Delta deal was found by Cheapflights users on 8/6. 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 9/1211:55 am -
Nonstop1h 37m
Deal found 8/6![Delta logo]()
$59
This Super.com deal was found by Cheapflights users on 8/3. 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.
Sat 8/158:05 am -
Nonstop1h 52m
Deal found 8/3![Frontier logo]()
$63
This Delta deal was found by Cheapflights users on 8/6. 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 9/2010:14 am -
Nonstop1h 41m
Deal found 8/6![Delta logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Wed 11/189:59 am -
Nonstop1h 59m
Deal found 8/5![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 11/149:59 am -
Nonstop1h 59m
Deal found 8/3![Frontier logo]()
$72
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 August 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $75 (Super.com) |
One-way from | $23 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $208 |
Good round-trip deal | $176 or less |
Good one-way deal | $114 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 2,558,603 searches. Data last updated August 7, 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
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Tue 8/25
5:45 pm-6:27 pm
Nonstop1h 42m
Lambert-St Louis
Tue 9/1
7:00 am-9:37 am
Nonstop1h 37m
$117
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Thu 10/1
11:10 am-4:55 pm
1 stop6h 45m
Lambert-St Louis
Sat 10/3
10:05 am-12:35 pm
Nonstop1h 30m
$137
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Fri 10/23
10:05 am-10:51 am
Nonstop1h 46m
Lambert-St Louis
Fri 10/23
5:35 pm-8:14 pm
Nonstop1h 39m
$137
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Tue 9/8
7:45 pm-10:15 pm
1 stop3h 30m
Lambert-St Louis
Sat 9/12
8:30 am-11:00 am
Nonstop1h 30m
$137
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Thu 12/3
8:05 am-8:53 am
Nonstop1h 48m
Lambert-St Louis
Sun 12/6
5:37 pm-8:17 pm
Nonstop1h 40m
$137
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Fri 9/25
11:01 pm-11:42 pm
Nonstop1h 41m
Lambert-St Louis
Sun 9/27
6:00 am-8:35 am
Nonstop1h 35m
$137
Quickest round-trip
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Thu 9/24
12:45 pm-1:23 pm
Nonstop1h 38m
Lambert-St Louis
Sun 9/27
6:00 am-8:35 am
Nonstop1h 35m
$137
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Thu 9/3
1:56 pm-2:33 pm
Nonstop1h 37m
Lambert-St Louis
Mon 9/7
7:00 am-9:37 am
Nonstop1h 37m
$138
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Sat 8/29
11:15 am-11:56 am
Nonstop1h 41m
Lambert-St Louis
Mon 8/31
12:52 pm-3:33 pm
Nonstop1h 41m
$145
AtlantaChicago
ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl
ATLORD
Atlanta Hartsfield-Jackson
Sat 9/5
10:40 pm-11:57 pm
Nonstop2h 17m
Chicago O'Hare Intl
Sun 9/6
6:40 am-9:42 am
Nonstop2h 02m
$221
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-STL
ATL-SPI
ATL-ORD
ATL-PIA
ATL-RFD
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-STL
ATL-SPI
ATL-ORD
ATL-PIA
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 $286). 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 August 7, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 13% on flights from Atlanta to Illinois by exploring options for tickets in the morning.
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 August 7, 2026.
The most flights from ATL to USIL are scheduled on a Thursday (102 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (28 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 $161 and $322 in August.The cheapest round-trip price found within the last 5 days was $150 on Frontier (Aug 25-Aug 29).
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 49 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 August 1, 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 August 7, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
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
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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 August 7, 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 5 airlines flying from Atlanta to Illinois
Discover the top 5 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 2,558,603 searches. Data last updated August 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$59 | Average$174 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$104 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$150 | Average$347 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$320 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$434 | FlexibilityNo cancel fee | On-time71% |