$21+ Cheap flights from Illinois to Atlanta (ATL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATL
Sep 6 — Sep 131
Round-trip
1 adult, Economy
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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 Illinois to AtlantaExplore 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 August 7, 2026.
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 August 7, 2026.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:35 am -
Nonstop1h 40m
Sun 10/258:50 am -
Nonstop1h 50m
Deal found 8/5![Frontier logo]()
$56
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:29 pm -
Nonstop1h 41m
Fri 9/2512:25 pm -
Nonstop1h 45m
Deal found 8/4![Frontier logo]()
$57
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 8/286:17 pm -
Nonstop2h 03m
Mon 8/314:28 pm -
Nonstop1h 54m
Deal found 8/1![Frontier logo]()
$60
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 9/282:29 pm -
Nonstop1h 41m
Wed 10/712:25 pm -
Nonstop1h 45m
Deal found 8/4![Frontier logo]()
$61
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.
Wed 10/72:29 pm -
Nonstop1h 41m
Fri 10/98:50 am -
Nonstop1h 50m
Deal found 8/3![Frontier logo]()
$65
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.
Fri 8/286:17 pm -
Nonstop2h 03m
Sun 9/64:28 pm -
Nonstop1h 54m
Deal found 8/2![Frontier logo]()
$66
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.
Thu 8/276:17 pm -
Nonstop2h 03m
Sun 8/304:28 pm -
Nonstop1h 54m
Deal found 8/2![Frontier logo]()
$69
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 8/286:17 pm -
Nonstop2h 03m
Sun 8/304:28 pm -
Nonstop1h 54m
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.
Wed 9/302:29 pm -
Nonstop1h 41m
Wed 10/148:50 am -
Nonstop1h 50m
Deal found 8/2![Frontier logo]()
$76
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:29 pm -
Nonstop1h 41m
Wed 9/2312:25 pm -
Nonstop1h 45m
Deal found 8/2![Frontier logo]()
$77
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.
Thu 10/2210:35 am -
Nonstop1h 40m
Mon 10/268:50 am -
Nonstop1h 50m
Deal found 8/2![Frontier logo]()
$79
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.
Thu 11/510:35 am -
Nonstop1h 40m
Sun 11/88:50 am -
Nonstop1h 50m
Deal found 8/6![Frontier logo]()
$81
Best flights from Illinois to AtlantaDiscover carefully curated flight deals from Illinois to Atlanta 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 Illinois to Atlanta 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 8/6. 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 9/53:44 pm -
Nonstop1h 46m
Sat 9/123:50 pm -
Nonstop1h 42m
Deal found 8/6![Delta logo]()
$117
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.
Thu 9/103:15 pm -
Nonstop1h 35m
Mon 9/147:15 pm -
Nonstop1h 40m
Deal found 8/4![Southwest logo]()
$137
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.
Wed 10/147:36 pm -
1 stop10h 45m
Wed 10/211:00 pm -
1 stop6h 56m
Deal found 8/4![Multiple Airlines logo]()
$171
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.
Wed 8/265:23 pm -
Nonstop1h 51m
Wed 9/21:56 pm -
Nonstop1h 37m
Deal found 8/3![Delta logo]()
$117
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.
Wed 9/99:07 am -
Nonstop2h 12m
Fri 9/118:00 am -
Nonstop2h 22m
Deal found 8/3![United Airlines logo]()
$236
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.
Mon 9/146:50 pm -
Nonstop1h 30m
Thu 9/172:40 pm -
Nonstop1h 40m
Deal found 8/2![Southwest logo]()
$137
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 9/1010:40 am -
Nonstop1h 32m
Wed 9/1612:45 pm -
Nonstop1h 38m
Deal found 8/6![Delta logo]()
$127
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.
Mon 9/286:00 am -
Nonstop1h 35m
Tue 9/295:00 pm -
Nonstop1h 40m
Deal found 8/2![Delta logo]()
$127
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.
Mon 9/214:59 pm -
Nonstop1h 31m
Tue 9/228:20 am -
Nonstop1h 40m
Deal found 8/6![Delta logo]()
$127
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 11/126:00 am -
2 stops9h 00m
Mon 11/164:26 pm -
1 stop6h 00m
Deal found 8/2![American Airlines logo]()
$344
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:00 am -
Nonstop1h 35m
Sun 12/1311:10 pm -
Nonstop1h 46m
Deal found 8/5![Delta logo]()
$137
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.
Thu 9/1712:00 pm -
Nonstop1h 35m
Sun 9/2010:14 am -
Nonstop1h 41m
Deal found 8/2![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.
Fri 9/45:23 pm -
Nonstop1h 51m
Mon 9/711:05 am -
Nonstop1h 41m
Deal found 8/3![Delta logo]()
$137
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 9/35:59 pm -
Nonstop2h 11m
Tue 9/81:21 pm -
Nonstop2h 21m
Deal found 8/3![United Airlines logo]()
$254
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:30 am -
Nonstop1h 45m
Tue 9/87:55 am -
Nonstop1h 50m
Deal found 8/3![Southwest logo]()
$254
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 9/45:23 pm -
Nonstop1h 51m
Sat 9/122:10 pm -
Nonstop1h 39m
Deal found 8/6![Delta logo]()
$147
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 9/189:07 am -
Nonstop2h 12m
Mon 9/218:00 am -
Nonstop2h 22m
Deal found 8/6![United Airlines logo]()
$262
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 9/17:25 pm -
Nonstop1h 50m
Tue 9/84:10 pm -
1 stop4h 25m
Deal found 8/6![Southwest logo]()
$264
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/252:30 pm -
Nonstop2h 07m
Sat 1/25:43 pm -
Nonstop2h 22m
Deal found 8/2![United Airlines logo]()
$266
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 9/812:45 pm -
2 stops5h 50m
Sat 9/1211:40 am -
Nonstop1h 50m
Deal found 8/4![Southwest logo]()
$266
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.
Sat 8/297:40 am -
Nonstop1h 50m
Sat 8/292:50 pm -
1 stop5h 45m
Deal found 8/2![Southwest logo]()
$267
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:18 pm -
1 stop6h 37m
Sun 11/157:22 pm -
1 stop5h 37m
Deal found 8/4![American Airlines logo]()
$399
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:35 pm -
1 stop6h 19m
Sat 9/193:40 pm -
1 stop6h 04m
Deal found 8/4![United 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.
Fri 1/88:25 am -
Nonstop2h 00m
Mon 1/116:00 pm -
Nonstop1h 55m
Deal found 8/4![Southwest logo]()
$269
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.
Fri 9/42:51 pm -
1 stop6h 16m
Mon 9/78:04 pm -
1 stop5h 08m
Deal found 8/2![American Airlines logo]()
$421
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.
Sat 11/218:15 am -
1 stop4h 18m
Tue 11/246:42 pm -
1 stop5h 17m
Deal found 8/5![United Airlines logo]()
$319
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.
Sat 9/53:25 pm -
Nonstop2h 14m
Sun 9/65:30 pm -
Nonstop2h 29m
Deal found 8/4![Delta logo]()
$221
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.
Thu 8/271:20 pm -
Nonstop1h 55m
Tue 9/18:00 am -
2 stops6h 05m
Deal found 8/5![Southwest logo]()
$272
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.
Thu 9/246:00 am -
1 stop6h 11m
Mon 9/288:12 pm -
1 stop4h 55m
Deal found 8/5![American Airlines logo]()
$421
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.
Sun 10/47:20 pm -
Nonstop1h 55m
Tue 10/67:05 am -
2 stops6h 00m
Deal found 8/2![Southwest logo]()
$274
Last-minute flights from Illinois to AtlantaDiscover last-minute flight deals from Illinois to Atlanta. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Atlanta. Data last updated August 7, 2026 and is based on user searches.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:17 pm -
Nonstop2h 03m
Fri 8/284:28 pm -
Nonstop1h 54m
Deal found 8/5![Frontier logo]()
$84
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.
Thu 8/276:17 pm -
Nonstop2h 03m
Sun 8/304:28 pm -
Nonstop1h 54m
Deal found 8/2![Frontier logo]()
$69
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 8/286:17 pm -
Nonstop2h 03m
Mon 8/314:28 pm -
Nonstop1h 54m
Deal found 8/1![Frontier logo]()
$60
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.
Fri 8/286:17 pm -
Nonstop2h 03m
Sun 9/64:28 pm -
Nonstop1h 54m
Deal found 8/2![Frontier logo]()
$66
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 8/286:17 pm -
Nonstop2h 03m
Sun 8/304:28 pm -
Nonstop1h 54m
Deal found 8/3![Frontier logo]()
$75
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.
Sun 8/306:17 pm -
Nonstop2h 03m
Sun 9/64:28 pm -
Nonstop1h 54m
Deal found 8/2![Frontier logo]()
$65
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:17 pm -
Nonstop2h 03m
Mon 9/74:28 pm -
Nonstop1h 54m
Deal found 8/4![Frontier logo]()
$96
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 9/126:20 am -
Nonstop2h 09m
Wed 9/1610:35 am -
Nonstop2h 16m
Deal found 8/3![Frontier logo]()
$142
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:29 pm -
Nonstop1h 41m
Wed 9/2312:25 pm -
Nonstop1h 45m
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.
Fri 9/182:29 pm -
Nonstop1h 41m
Fri 9/2512:25 pm -
Nonstop1h 45m
Deal found 8/5![Frontier logo]()
$56
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 9/282:29 pm -
Nonstop1h 41m
Wed 10/712:25 pm -
Nonstop1h 45m
Deal found 8/4![Frontier logo]()
$61
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.
Wed 9/302:29 pm -
Nonstop1h 41m
Wed 10/148:50 am -
Nonstop1h 50m
Deal found 8/2![Frontier logo]()
$76
One-way flights from Illinois to AtlantaSearch for one-way flight options from Illinois to Atlanta. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
Search for one-way flight options from Illinois to Atlanta. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
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 10/1510:35 am -
Nonstop1h 40m
Deal found 8/4![Frontier logo]()
$21
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:17 pm -
Nonstop2h 03m
Deal found 8/1![Frontier logo]()
$23
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:29 pm -
Nonstop1h 41m
Deal found 8/1![Frontier logo]()
$28
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:17 pm -
Nonstop2h 03m
Deal found 8/1![Frontier logo]()
$37
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.
Wed 9/92:29 pm -
Nonstop1h 41m
Deal found 8/2![Frontier logo]()
$38
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:17 pm -
Nonstop2h 03m
Deal found 8/3![Frontier logo]()
$39
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 8/246:17 pm -
Nonstop2h 03m
Deal found 8/4![Frontier logo]()
$42
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:34 pm -
Nonstop2h 03m
Deal found 8/3![Frontier logo]()
$49
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.
Sat 8/154:57 pm -
Nonstop1h 59m
Deal found 8/1![Frontier logo]()
$54
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 11/210:35 am -
Nonstop1h 40m
Deal found 8/2![Frontier logo]()
$57
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.
Sat 10/310:05 am -
Nonstop1h 30m
Deal found 8/4![Southwest logo]()
$59
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 9/177:05 am -
Nonstop1h 34m
Deal found 8/3![Delta logo]()
$69
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 August 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $56 (Frontier) |
One-way from | $21 (Kiwi.com) |
Popular in | June |
Cheapest in | December |
Average price | $178 |
Good round-trip deal | $233 or less |
Good one-way deal | $135 or less |
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 August 7, 2026.
Use the filters below to find and compare flights from Illinois to Atlanta that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Sat 9/5
3:44 pm-6:30 pm
Nonstop1h 46m
Atlanta Hartsfield-Jackson
Sat 9/12
3:50 pm-4:32 pm
Nonstop1h 42m
$117
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Wed 8/26
5:23 pm-8:14 pm
Nonstop1h 51m
Atlanta Hartsfield-Jackson
Wed 9/2
1:56 pm-2:33 pm
Nonstop1h 37m
$117
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Thu 9/10
10:40 am-1:12 pm
Nonstop1h 32m
Atlanta Hartsfield-Jackson
Wed 9/16
12:45 pm-1:23 pm
Nonstop1h 38m
$127
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Mon 9/28
6:00 am-8:35 am
Nonstop1h 35m
Atlanta Hartsfield-Jackson
Tue 9/29
5:00 pm-5:40 pm
Nonstop1h 40m
$127
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Mon 9/21
4:59 pm-7:30 pm
Nonstop1h 31m
Atlanta Hartsfield-Jackson
Tue 9/22
8:20 am-9:00 am
Nonstop1h 40m
$127
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Thu 9/10
3:15 pm-5:50 pm
Nonstop1h 35m
Atlanta Hartsfield-Jackson
Mon 9/14
7:15 pm-7:55 pm
Nonstop1h 40m
$137
Quickest round-trip
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Mon 9/14
6:50 pm-9:20 pm
Nonstop1h 30m
Atlanta Hartsfield-Jackson
Thu 9/17
2:40 pm-3:20 pm
Nonstop1h 40m
$137
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Fri 12/11
6:00 am-8:35 am
Nonstop1h 35m
Atlanta Hartsfield-Jackson
Sun 12/13
11:10 pm-11:56 pm
Nonstop1h 46m
$137
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Thu 9/17
12:00 pm-2:35 pm
Nonstop1h 35m
Atlanta Hartsfield-Jackson
Sun 9/20
10:14 am-10:55 am
Nonstop1h 41m
$137
St. LouisAtlanta
STL Lambert-St Louis - ATL Atlanta Hartsfield-Jackson
STLATL
Lambert-St Louis
Fri 9/4
5:23 pm-8:14 pm
Nonstop1h 51m
Atlanta Hartsfield-Jackson
Mon 9/7
11:05 am-11:46 am
Nonstop1h 41m
$137
Showing 1-10 of 60 resultsSorted by cheapest first
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.
STL-ATL
ORD-ATL
EVV-ATL
PIA-ATL
MDW-ATL
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
USIL-ATL
STL-ATL
ORD-ATL
EVV-ATL
PIA-ATL
What is the cheapest month to book a flight from Illinois to Atlanta?
Currently, September is the cheapest month in which you can book a flight from Illinois to Atlanta (average of $184). Flying from Illinois to Atlanta 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 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 August 7, 2026.
A simple way to save on the total cost of your ticket is to fly from Illinois to Atlanta at noon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the morning.
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 August 7, 2026.
The most flights from USIL to ATL are scheduled on a Wednesday (94 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 on average).
How much does it cost to fly round-trip from Illinois to Atlanta?
Airfare is typical for this route at the moment.
Illinois to Atlanta flights typically cost between $119 and $278 in October.The cheapest round-trip price found within the last 5 days was $142 on Frontier (Oct 17-Oct 20).
How far ahead should I book a flight from Illinois to Atlanta?
The best time to book flights from Illinois to Atlanta is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest 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 August 1, 2026.
Travelers seeking maximum savings on their Illinois to Atlanta flight should consider departing on Saturday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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.
Traveling to a place near Atlanta?
Book flights to Atlanta if you plan to visit one of these locationsCollege Park
Sandy Springs
Duluth
Lawrenceville
Auburn
Roswell
Marietta
Lithia Springs
Norcross
Gainesville
Conyers
Canton
McDonough
Stone Mountain
Covington
Stockbridge
Peachtree Corners
Dunwoody
Lithonia
Morrow
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Alternative routes for Illinois to Atlanta
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Other flights to Atlanta
Explore flights to Atlanta departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 7, 2026.
Complete your trip
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Search flights from Illinois to Atlanta by cabin class
Find flights from Illinois to Atlanta, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Atlanta flights
Browse other Illinois and Atlanta flight options. Last updated on August 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Atlanta flights
Consider these flights traveling from Illinois to Atlanta.
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 August 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$164 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$374 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$191 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$408 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$157 | Average$365 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$321 | FlexibilityNo cancel fee | On-time63% |