$27+ Cheap flights from Alabama 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
May 29 — Jun 51
Round-trip
1 adult, Economy
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Cheapest flights from Alabama to IllinoisExplore the most affordable flight options available from Alabama to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
Explore the most affordable flight options available from Alabama to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:00 pm
ATL
- MDW
Nonstop2h 02m
Frontier
Mon 5/1812:04 pm
MDW
- ATL
Nonstop2h 06m
Frontier
Deal found 4/24![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 4/27. 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 5/266:15 pm
ATL
- ORD
Nonstop2h 26m
Frontier
Thu 5/286:55 am
ORD
- ATL
Nonstop2h 39m
Frontier
Deal found 4/27![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 4/27. 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 5/309:00 pm
ATL
- MDW
Nonstop2h 02m
Frontier
Tue 6/96:00 am
MDW
- ATL
Nonstop2h 19m
Frontier
Deal found 4/27![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 4/27. 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 5/216:31 am
ATL
- ORD
Nonstop2h 20m
Frontier
Wed 5/271:50 pm
ORD
- ATL
Nonstop2h 20m
Frontier
Deal found 4/27![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:25 pm
ATL
- ORD
Nonstop2h 26m
Frontier
Fri 5/151:59 pm
ORD
- ATL
Nonstop2h 20m
Frontier
Deal found 4/24![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:00 pm
ATL
- MDW
Nonstop2h 02m
Frontier
Wed 5/206:00 am
MDW
- ATL
Nonstop2h 09m
Frontier
Deal found 4/25![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 4/28. 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 5/216:15 pm
ATL
- ORD
Nonstop2h 26m
Frontier
Sun 5/241:50 pm
ORD
- ATL
Nonstop2h 20m
Frontier
Deal found 4/28![Frontier logo]()
$86
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 5/2710:05 am
ATL
- MDW
Nonstop2h 04m
Frontier
Thu 5/286:00 am
MDW
- ATL
Nonstop2h 09m
Frontier
Deal found 4/29![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:35 am
ATL
- ORD
Nonstop2h 20m
Frontier
Mon 5/186:55 am
ORD
- ATL
Nonstop2h 39m
Frontier
Deal found 4/24![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 4/27. 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 5/299:00 pm
ATL
- MDW
Nonstop2h 02m
Frontier
Wed 6/36:00 am
MDW
- ATL
Nonstop2h 09m
Frontier
Deal found 4/27![Frontier logo]()
$88
This Cheapflightsfares deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:35 am
ATL
- ORD
Nonstop2h 20m
Frontier
Sat 5/161:59 pm
ORD
- ATL
Nonstop2h 20m
Frontier
Deal found 4/24![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:05 am
ATL
- MDW
Nonstop2h 04m
Frontier
Mon 6/16:00 am
MDW
- ATL
Nonstop2h 09m
Frontier
Deal found 4/24![Frontier logo]()
$89
Best flights from Alabama to IllinoisDiscover carefully curated flight deals from Alabama to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
Discover carefully curated flight deals from Alabama to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
This Delta deal was found by Cheapflights users on 4/28. 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 9/161:59 pm
ATL
- STL
Nonstop1h 39m
Delta
Wed 9/167:05 pm
STL
- ATL
Nonstop1h 43m
Delta
Deal found 4/28![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 4/26. 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 8/198:00 am
ATL
- STL
1 stop5h 49m
United Airlines
Wed 8/265:32 pm
STL
- ATL
1 stop4h 53m
United Airlines
Deal found 4/26![United Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 4/28. 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 5/2711:10 am
ATL
- STL
2 stops7h 45m
Southwest
Wed 6/310:25 am
STL
- ATL
1 stop4h 15m
Southwest
Deal found 4/28![Southwest logo]()
$213
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:25 pm
ATL
- ORD
Nonstop2h 16m
Delta
Sun 5/245:30 am
ORD
- ATL
Nonstop2h 05m
Delta
Deal found 4/25![Delta logo]()
$209
This Southwest deal was found by Cheapflights users on 4/27. 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 5/231:45 pm
ATL
- MDW
1 stop4h 40m
Southwest
Sat 5/304:20 pm
MDW
- ATL
Nonstop1h 55m
Southwest
Deal found 4/27![Southwest logo]()
$231
This Delta deal was found by Cheapflights users on 4/28. 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 5/287:30 am
ATL
- ORD
Nonstop2h 09m
Delta
Mon 6/15:30 am
ORD
- ATL
Nonstop2h 05m
Delta
Deal found 4/28![Delta logo]()
$210
This United Airlines deal was found by Cheapflights users on 4/28. 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 9/168:00 am
ATL
- STL
1 stop5h 13m
United Airlines
Wed 9/165:32 pm
STL
- ATL
1 stop4h 53m
United Airlines
Deal found 4/28![United Airlines logo]()
$236
This Delta deal was found by Cheapflights users on 4/28. 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 5/257:30 am
ATL
- ORD
Nonstop2h 09m
Delta
Sat 5/3012:00 pm
ORD
- ATL
Nonstop1h 59m
Delta
Deal found 4/28![Delta logo]()
$221
This Southwest deal was found by Cheapflights users on 4/26. 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 6/209:45 am
ATL
- MDW
1 stop7h 20m
Southwest
Wed 6/249:10 am
MDW
- ATL
Nonstop1h 55m
Southwest
Deal found 4/26![Southwest logo]()
$249
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:33 am
ATL
- ORD
Nonstop2h 19m
United Airlines
Fri 9/187:10 am
ORD
- ATL
Nonstop2h 12m
United Airlines
Deal found 4/25![United Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/232:00 pm
ATL
- MDW
1 stop6h 20m
Southwest
Mon 5/257:00 pm
MDW
- ATL
Nonstop1h 55m
Southwest
Deal found 4/25![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 4/26. 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 5/249:05 am
ATL
- MDW
Nonstop1h 54m
Delta
Wed 5/279:22 am
MDW
- ATL
1 stop3h 59m
Delta
Deal found 4/26![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 4/27. 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 6/196:00 am
CHA
- ORD
Nonstop2h 02m
United Airlines
Sun 6/216:45 am
ORD
- CHA
Nonstop1h 49m
United Airlines
Deal found 4/27![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 4/28. 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 6/66:10 am
ATL
- STL
2 stops9h 55m
Southwest
Sat 6/64:40 pm
STL
- ATL
1 stop5h 05m
Southwest
Deal found 4/28![Southwest logo]()
$273
This Delta deal was found by Cheapflights users on 4/28. 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 5/177:30 am
ATL
- ORD
Nonstop2h 09m
Delta
Tue 5/195:30 am
ORD
- ATL
Nonstop2h 05m
Delta
Deal found 4/28![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:00 am
ATL
- MDW
Nonstop2h 00m
Southwest
Thu 6/116:20 pm
MDW
- ATL
1 stop5h 55m
Southwest
Deal found 4/24![Southwest logo]()
$283
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/266:10 pm
BHM
- ORD
Nonstop2h 22m
United Airlines
Tue 6/29:30 pm
ORD
- BHM
Nonstop2h 04m
United Airlines
Deal found 4/28![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:26 am
CHA
- MDW
1 stop6h 15m
Delta
Thu 6/2512:45 pm
MDW
- CHA
1 stop5h 47m
Delta
Deal found 4/25![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/221:18 pm
ATL
- ORD
Nonstop2h 23m
United Airlines
Mon 5/252:20 pm
ORD
- ATL
Nonstop2h 18m
United Airlines
Deal found 4/28![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 4/27. 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 5/301:45 pm
ATL
- MDW
1 stop4h 40m
Southwest
Sun 5/317:45 am
MDW
- ATL
Nonstop1h 55m
Southwest
Deal found 4/27![Southwest logo]()
$293
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:26 am
CHA
- MDW
1 stop6h 15m
Delta
Tue 6/2312:45 pm
MDW
- CHA
1 stop5h 47m
Delta
Deal found 4/25![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/131:56 pm
CHA
- ORD
Nonstop2h 02m
United Airlines
Sun 6/146:45 am
ORD
- CHA
Nonstop1h 49m
United Airlines
Deal found 4/28![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 4/28. 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 6/91:11 pm
CHA
- MDW
1 stop4h 05m
Delta
Wed 6/1712:45 pm
MDW
- CHA
1 stop5h 47m
Delta
Deal found 4/28![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 4/27. 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 5/239:05 am
ATL
- ORD
2 stops7h 25m
Southwest
Sat 5/3011:50 am
ORD
- ATL
1 stop7h 25m
Southwest
Deal found 4/27![Southwest logo]()
$314
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/51:56 pm
CHA
- ORD
Nonstop2h 02m
United Airlines
Sun 6/76:45 am
ORD
- CHA
Nonstop1h 49m
United Airlines
Deal found 4/28![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 4/28. 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 6/137:26 am
CHA
- MDW
1 stop6h 15m
Delta
Thu 6/1812:45 pm
MDW
- CHA
1 stop5h 47m
Delta
Deal found 4/28![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:55 am
ATL
- MDW
Nonstop1h 55m
Southwest
Sun 5/316:50 am
MDW
- ATL
1 stop5h 20m
Southwest
Deal found 4/25![Southwest logo]()
$316
This United Airlines deal was found by Cheapflights users on 4/27. 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 6/186:00 am
CHA
- ORD
Nonstop2h 02m
United Airlines
Mon 6/225:50 pm
ORD
- CHA
Nonstop1h 59m
United Airlines
Deal found 4/27![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:00 am
CHA
- MDW
1 stop4h 14m
Delta
Tue 6/239:17 am
MDW
- CHA
1 stop3h 57m
Delta
Deal found 4/25![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 4/28. 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 6/122:55 pm
CHA
- MDW
1 stop4h 36m
Delta
Tue 6/169:17 am
MDW
- CHA
1 stop3h 57m
Delta
Deal found 4/28![Delta logo]()
$269
Last-minute flights from Alabama to IllinoisDiscover last-minute flight deals from Alabama to Illinois. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Alabama to Illinois. Data last updated April 29, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:00 pm
ATL
- MDW
Nonstop2h 02m
Frontier
Wed 5/206:00 am
MDW
- ATL
Nonstop2h 09m
Frontier
Deal found 4/25![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:25 pm
ATL
- ORD
Nonstop2h 26m
Frontier
Fri 5/151:59 pm
ORD
- ATL
Nonstop2h 20m
Frontier
Deal found 4/24![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:35 am
ATL
- ORD
Nonstop2h 20m
Frontier
Mon 5/186:55 am
ORD
- ATL
Nonstop2h 39m
Frontier
Deal found 4/24![Frontier logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:35 am
ATL
- ORD
Nonstop2h 20m
Frontier
Sat 5/161:59 pm
ORD
- ATL
Nonstop2h 20m
Frontier
Deal found 4/24![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:00 pm
ATL
- MDW
Nonstop2h 02m
Frontier
Mon 5/1812:04 pm
MDW
- ATL
Nonstop2h 06m
Frontier
Deal found 4/24![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:05 am
ATL
- MDW
Nonstop2h 04m
Frontier
Mon 6/16:00 am
MDW
- ATL
Nonstop2h 09m
Frontier
Deal found 4/24![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 4/27. 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 5/216:31 am
ATL
- ORD
Nonstop2h 20m
Frontier
Wed 5/271:50 pm
ORD
- ATL
Nonstop2h 20m
Frontier
Deal found 4/27![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 4/28. 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 5/216:15 pm
ATL
- ORD
Nonstop2h 26m
Frontier
Sun 5/241:50 pm
ORD
- ATL
Nonstop2h 20m
Frontier
Deal found 4/28![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 4/27. 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 5/266:15 pm
ATL
- ORD
Nonstop2h 26m
Frontier
Thu 5/286:55 am
ORD
- ATL
Nonstop2h 39m
Frontier
Deal found 4/27![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 4/27. 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 5/299:00 pm
ATL
- MDW
Nonstop2h 02m
Frontier
Wed 6/36:00 am
MDW
- ATL
Nonstop2h 09m
Frontier
Deal found 4/27![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 4/27. 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 5/309:00 pm
ATL
- MDW
Nonstop2h 02m
Frontier
Tue 6/96:00 am
MDW
- ATL
Nonstop2h 19m
Frontier
Deal found 4/27![Frontier logo]()
$84
This Super.com deal was found by Cheapflights users on 4/28. 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 5/309:00 pm
ATL
- MDW
Nonstop2h 02m
Frontier
Mon 6/16:00 am
MDW
- ATL
Nonstop2h 09m
Frontier
Deal found 4/28![Frontier logo]()
$87
One-way flights from Alabama to IllinoisSearch for one-way flight options from Alabama to Illinois. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
Search for one-way flight options from Alabama to Illinois. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/194:43 pm
ATL
- STL
Nonstop1h 50m
Frontier
Deal found 4/28![Frontier logo]()
$27
This Frontier deal was found by Cheapflights users on 4/27. 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.
Tue 6/234:43 pm
ATL
- STL
Nonstop1h 47m
Frontier
Deal found 4/27![Frontier logo]()
$28
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/213:25 pm
ATL
- STL
Nonstop1h 50m
Frontier
Deal found 4/26![Frontier logo]()
$33
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 5/238:05 am
ATL
- STL
Nonstop1h 50m
Frontier
Deal found 4/27![Frontier logo]()
$34
This Frontier deal was found by Cheapflights users on 4/28. 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 7/259:05 pm
ATL
- MDW
Nonstop2h 03m
Frontier
Deal found 4/28![Frontier logo]()
$40
This Frontier deal was found by Cheapflights users on 4/28. 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 5/309:00 pm
ATL
- MDW
Nonstop2h 02m
Frontier
Deal found 4/28![Frontier logo]()
$44
This Cheapflightsfares deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:15 pm
ATL
- ORD
Nonstop2h 26m
Frontier
Deal found 4/24![Frontier logo]()
$44
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:00 pm
ATL
- MDW
Nonstop2h 02m
Frontier
Deal found 4/25![Frontier logo]()
$45
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/216:31 am
ATL
- ORD
Nonstop2h 20m
Frontier
Deal found 4/27![Frontier logo]()
$45
This Super.com deal was found by Cheapflights users on 4/28. 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 6/910:08 am
ATL
- MDW
Nonstop2h 04m
Frontier
Deal found 4/28![Frontier logo]()
$46
This Super.com deal was found by Cheapflights users on 4/28. 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 5/266:15 pm
ATL
- ORD
Nonstop2h 26m
Frontier
Deal found 4/28![Frontier logo]()
$46
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/710:08 am
ATL
- MDW
Nonstop2h 04m
Frontier
Deal found 4/25![Frontier logo]()
$48
Find flight deals from Alabama to Illinois
Keep the following information in mind while searching for Alabama to Illinois flight deals. Data was last updated April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $83 (Kiwi.com) |
One-way from | $27 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $459 |
Good round-trip deal | $352 or less |
Good one-way deal | $203 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Alabama 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 April 29, 2026.
Use the filters below to find and compare flights from Alabama to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
AtlantaSt. Louis
ATL - STL
ATLSTL
Atlanta Hartsfield-Jackson
Wed 9/16
1:59 pm-2:38 pm
Nonstop1h 39m
Lambert-St Louis
Wed 9/16
7:05 pm-9:48 pm
Nonstop1h 43m
$177
AtlantaSt. Louis
ATL - STL
ATLSTL
Atlanta Hartsfield-Jackson
Wed 8/19
8:00 am-12:49 pm
1 stop5h 49m
Lambert-St Louis
Wed 8/26
5:32 pm-11:25 pm
1 stop4h 53m
$197
AtlantaChicago
ATL - ORD
ATLORD
Atlanta Hartsfield-Jackson
Sat 5/23
5:25 pm-6:41 pm
Nonstop2h 16m
Chicago O'Hare Intl
Sun 5/24
5:30 am-8:35 am
Nonstop2h 05m
$209
AtlantaChicago
ATL - ORD
ATLORD
Atlanta Hartsfield-Jackson
Thu 5/28
7:30 am-8:39 am
Nonstop2h 09m
Chicago O'Hare Intl
Mon 6/1
5:30 am-8:35 am
Nonstop2h 05m
$210
AtlantaSt. Louis
ATL - STL
ATLSTL
Atlanta Hartsfield-Jackson
Wed 5/27
11:10 am-5:55 pm
2 stops7h 45m
Lambert-St Louis
Wed 6/3
10:25 am-3:40 pm
1 stop4h 15m
$213
AtlantaChicago
ATL - ORD
ATLORD
Atlanta Hartsfield-Jackson
Mon 5/25
7:30 am-8:39 am
Nonstop2h 09m
Chicago O'Hare Intl
Sat 5/30
12:00 pm-2:59 pm
Nonstop1h 59m
$221
AtlantaChicago
ATL - MDW
ATLMDW
Atlanta Hartsfield-Jackson
Sat 5/23
1:45 pm-5:25 pm
1 stop4h 40m
Chicago Midway
Sat 5/30
4:20 pm-7:15 pm
Nonstop1h 55m
$231
AtlantaSt. Louis
ATL - STL
ATLSTL
Atlanta Hartsfield-Jackson
Wed 9/16
8:00 am-12:13 pm
1 stop5h 13m
Lambert-St Louis
Wed 9/16
5:32 pm-11:25 pm
1 stop4h 53m
$236
AtlantaChicago
ATL - MDW
ATLMDW
Atlanta Hartsfield-Jackson
Sun 5/24
9:05 am-9:59 am
Nonstop1h 54m
Chicago Midway
Wed 5/27
9:22 am-2:21 pm
1 stop3h 59m
$247
AtlantaChicago
ATL - MDW
ATLMDW
Atlanta Hartsfield-Jackson
Sat 6/20
9:45 am-4:05 pm
1 stop7h 20m
Chicago Midway
Wed 6/24
9:10 am-12:05 pm
Nonstop1h 55m
$249
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Alabama to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Alabama with our price prediction graph.
ATL-STL
ATL-MDW
HSV-ORD
ATL-ORD
CHA-MDW
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 Alabama to Illinois
USAL-USIL
ATL-STL
ATL-MDW
HSV-ORD
ATL-ORD
How far ahead should I book a flight from Alabama to Illinois?
To ensure you get the cheapest price possible for a flight from Alabama to Illinois, you should look to book at least 52 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 month to book a flight from Alabama to Illinois?
Currently, October is the cheapest month in which you can book a flight from Alabama to Illinois (average of $78). Flying from Alabama to Illinois in February is currently the most expensive (average of $209). 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 AL to IL?
Find hourly flight availability from Alabama 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 April 29, 2026.
One of the essential ways to save on airfare from Alabama to Illinois is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 27% on airfare.
Weekly flight availability from Alabama to Illinois
Explore weekly flight availability from Alabama 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 April 29, 2026.
The most flights from USAL to USIL are scheduled on a Monday (17 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Alabama to Illinois?
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 April 29, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Alabama to Illinois to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Alabama to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Alabama 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 Alabama to Illinois by cabin class
Find flights from Alabama to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Alabama and Illinois flights
Browse other Alabama and Illinois flight options. Last updated on April 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Alabama after your stay in Illinois
Alabama to Illinois flights
Consider these flights traveling from Alabama to Illinois.
Top 5 airlines flying from Alabama to Illinois
Discover the top 5 airlines that operate flights from Alabama 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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$120 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$198 | Average$361 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$209 | Average$336 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$210 | Average$409 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$240 | Average$407 | FlexibilityNo cancel fee | On-time63% |