$17+ Cheap flights from Alabama to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Alabama 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 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 September 14, 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 September 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:25 pm -
Nonstop1h 45m
Mon 10/52:29 pm -
Nonstop1h 41m
Deal found 9/11![Frontier logo]()
$59
This eDestinos deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:25 pm -
Nonstop1h 45m
Mon 10/126:35 pm -
Nonstop1h 59m
Deal found 9/13![Frontier logo]()
$62
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:47 pm -
Nonstop1h 53m
Wed 11/186:44 pm -
Nonstop1h 45m
Deal found 9/10![Frontier logo]()
$66
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/94:51 pm -
Nonstop1h 49m
Mon 10/126:35 pm -
Nonstop1h 59m
Deal found 9/13![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:47 pm -
Nonstop1h 53m
Mon 11/236:35 pm -
Nonstop1h 49m
Deal found 9/9![Frontier logo]()
$72
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/94:51 pm -
Nonstop1h 49m
Fri 10/166:35 pm -
Nonstop1h 59m
Deal found 9/13![Frontier logo]()
$73
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Sun 11/87:40 am -
Nonstop2h 16m
Tue 11/107:28 pm -
Nonstop2h 16m
Deal found 9/12![Frontier logo]()
$94
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:45 pm -
Nonstop1h 58m
Sun 10/186:40 pm -
Nonstop2h 10m
Deal found 9/11![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:10 pm -
Nonstop2h 21m
Sun 10/187:44 pm -
Nonstop2h 23m
Deal found 9/9![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Sun 10/410:50 pm -
Nonstop1h 53m
Sun 10/116:40 pm -
Nonstop2h 10m
Deal found 9/13![Frontier logo]()
$137
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:30 am -
1 stop17h 29m
Sat 10/37:21 pm -
Nonstop2h 16m
Deal found 9/10![Frontier logo]()
$137
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:50 pm -
Nonstop1h 54m
Tue 10/66:25 am -
Nonstop2h 00m
Deal found 9/10![Frontier logo]()
$138
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 September 14, 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 September 14, 2026.
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:00 am -
Nonstop1h 42m
Sat 10/242:25 pm -
Nonstop1h 35m
Deal found 9/10![Delta logo]()
$117
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/76:45 am -
Nonstop1h 40m
Wed 10/142:10 pm -
1 stop5h 40m
Deal found 9/13![Southwest logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:00 pm -
1 stop12h 50m
Sun 11/110:20 am -
1 stop12h 29m
Deal found 9/10![Multiple Airlines logo]()
$155
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/1011:10 pm -
Nonstop1h 46m
Wed 11/187:05 am -
Nonstop1h 37m
Deal found 9/12![Delta logo]()
$117
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:15 pm -
Nonstop2h 15m
Sat 11/143:41 pm -
Nonstop1h 58m
Deal found 9/9![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/238:15 pm -
Nonstop1h 40m
Sun 10/255:55 am -
Nonstop1h 30m
Deal found 9/13![Southwest logo]()
$137
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:11 pm -
Nonstop1h 43m
Mon 11/95:30 pm -
Nonstop1h 40m
Deal found 9/9![Delta logo]()
$127
This Sun Country Air deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:25 am -
1 stop23h 43m
Mon 12/287:40 pm -
1 stop14h 01m
Deal found 9/12![Sun Country Air logo]()
$325
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 10/2312:40 pm -
Nonstop1h 40m
Sun 10/257:20 pm -
Nonstop1h 40m
Deal found 9/12![Delta logo]()
$137
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/97:05 am -
Nonstop1h 40m
Fri 10/165:40 pm -
1 stop4h 45m
Deal found 9/13![Southwest logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 11/55:25 am -
1 stop28h 13m
Wed 11/113:34 pm -
1 stop17h 21m
Deal found 9/13![Multiple Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:30 pm -
Nonstop1h 43m
Mon 11/162:31 pm -
Nonstop1h 34m
Deal found 9/11![Delta logo]()
$137
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/87:05 am -
Nonstop1h 40m
Wed 10/148:30 am -
2 stops6h 40m
Deal found 9/13![Southwest logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:56 pm -
1 stop12h 58m
Sun 11/110:20 am -
1 stop12h 29m
Deal found 9/9![Multiple Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:11 pm -
Nonstop1h 43m
Sun 10/186:00 am -
Nonstop1h 38m
Deal found 9/9![Delta logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:00 pm -
1 stop12h 40m
Sun 11/810:30 am -
1 stop12h 19m
Deal found 9/11![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 9/309:00 pm -
1 stop12h 40m
Thu 10/159:40 am -
1 stop13h 26m
Deal found 9/12![Multiple Airlines logo]()
$203
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
Nonstop1h 59m
Mon 10/56:50 am -
Nonstop1h 52m
Deal found 9/9![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:49 pm -
Nonstop1h 54m
Sun 12/66:55 am -
Nonstop1h 54m
Deal found 9/9![United Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:00 pm -
1 stop12h 50m
Sun 10/1810:30 am -
1 stop12h 36m
Deal found 9/9![Multiple Airlines logo]()
$222
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:30 am -
Nonstop1h 55m
Mon 10/52:25 pm -
1 stop4h 15m
Deal found 9/10![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/132:15 pm -
1 stop6h 22m
Tue 3/169:30 am -
1 stop4h 22m
Deal found 9/10![Delta logo]()
$211
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
Nonstop1h 59m
Sun 10/186:50 am -
Nonstop1h 52m
Deal found 9/10![United Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/2411:10 am -
2 stops7h 45m
Mon 10/263:45 pm -
1 stop4h 50m
Deal found 9/13![Southwest logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:00 pm -
1 stop13h 40m
Thu 10/159:40 am -
1 stop13h 26m
Deal found 9/9![Multiple Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:31 pm -
1 stop6h 34m
Sun 11/155:05 pm -
1 stop3h 51m
Deal found 9/9![Delta logo]()
$226
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:25 pm -
1 stop6h 40m
Mon 11/1611:30 am -
1 stop4h 25m
Deal found 9/9![Southwest logo]()
$266
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
Nonstop1h 59m
Mon 10/129:20 pm -
Nonstop1h 50m
Deal found 9/13![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1312:15 pm -
Nonstop2h 05m
Sat 2/205:30 am -
Nonstop2h 07m
Deal found 9/9![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sun 10/410:08 am -
1 stop12h 51m
Deal found 9/14![Multiple Airlines logo]()
$264
Last-minute flights from Alabama to IllinoisDiscover last-minute flight deals from Alabama to Illinois. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Alabama to Illinois. Data last updated September 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:25 pm -
Nonstop1h 45m
Mon 10/52:29 pm -
Nonstop1h 41m
Deal found 9/11![Frontier logo]()
$59
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:30 am -
1 stop17h 29m
Sat 10/37:21 pm -
Nonstop2h 16m
Deal found 9/10![Frontier logo]()
$137
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:50 pm -
Nonstop1h 54m
Tue 10/66:25 am -
Nonstop2h 00m
Deal found 9/10![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Sun 10/410:50 pm -
Nonstop1h 53m
Sun 10/116:40 pm -
Nonstop2h 10m
Deal found 9/13![Frontier logo]()
$137
This eDestinos deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:25 pm -
Nonstop1h 45m
Mon 10/126:35 pm -
Nonstop1h 59m
Deal found 9/13![Frontier logo]()
$62
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/94:51 pm -
Nonstop1h 49m
Mon 10/126:35 pm -
Nonstop1h 59m
Deal found 9/13![Frontier logo]()
$68
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/94:51 pm -
Nonstop1h 49m
Fri 10/166:35 pm -
Nonstop1h 59m
Deal found 9/13![Frontier logo]()
$73
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:45 pm -
Nonstop1h 58m
Thu 10/151:12 pm -
1 stop10h 18m
Deal found 9/9![Frontier logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:45 pm -
Nonstop1h 58m
Sun 10/186:40 pm -
Nonstop2h 10m
Deal found 9/11![Frontier logo]()
$125
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:49 pm -
1 stop13h 02m
Mon 10/2610:26 am -
Nonstop2h 08m
Deal found 9/10![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:31 am -
1 stop8h 59m
Tue 10/277:50 pm -
Nonstop2h 16m
Deal found 9/9![Frontier logo]()
$140
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:35 am -
Nonstop2h 16m
Sat 10/318:00 am -
1 stop14h 49m
Deal found 9/14![Frontier logo]()
$139
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 September 14, 2026.
Search for one-way flight options from Alabama to Illinois. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/144:51 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$17
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:47 pm -
Nonstop1h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$18
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:51 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$19
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:15 am -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$24
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 11/114:47 pm -
Nonstop1h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$28
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:51 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$29
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:47 pm -
Nonstop1h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$33
This Priceline deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:15 am -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$40
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:51 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$44
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/178:40 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Southwest logo]()
$55
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/121:30 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Southwest logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:15 am -
1 stop18h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$81
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 September 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $59 (Kiwi.com) |
One-way from | $17 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $388 |
Good round-trip deal | $179 or less |
Good one-way deal | $178 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 7,457,451 searches. Data last updated September 14, 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
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Sat 11/14
9:00 am-9:50 am
Nonstop1h 50m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$55
Quickest round-trip
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Wed 12/9
1:05 pm-1:45 pm
Nonstop1h 40m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$55
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Sat 12/12
7:25 pm-8:09 pm
Nonstop1h 44m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$59
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Sat 11/14
8:59 am-9:45 am
Nonstop1h 46m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$59
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Tue 10/13
8:25 am-9:09 am
Nonstop1h 44m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$59
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Thu 11/26
6:15 am-7:00 am
Nonstop1h 45m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$64
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Mon 11/9
8:15 pm-9:00 pm
Nonstop1h 45m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$64
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Thu 11/12
1:25 pm-2:05 pm
Nonstop1h 40m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$69
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Tue 11/10
11:50 am-5:20 pm
1 stop6h 30m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$73
AtlantaSt. Louis
ATL Atlanta Hartsfield-Jackson - STL Lambert-St Louis
ATLSTL
Atlanta Hartsfield-Jackson
Fri 10/30
6:35 pm-11:20 pm
1 stop5h 45m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
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-RFD
BHM-ORD
ATL-ORD
CHA-ORD
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-RFD
BHM-ORD
ATL-ORD
What is the cheapest month to book a flight from Alabama to Illinois?
Currently, February is the cheapest month in which you can book a flight from Alabama to Illinois (average of $295). Flying from Alabama to Illinois in July is currently the most expensive (average of $428). 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 September 14, 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 morning could potentially save you up to 36% 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 September 14, 2026.
The most flights from USAL to USIL are scheduled on a Friday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).
How much does it cost to fly round-trip from Alabama to Illinois?
Airfare is below average for this route at the moment.
Alabama to Illinois flights typically cost between $366 and $567 in October.The cheapest round-trip price found within the last 5 days was $257 on United Airlines (Oct 10-Oct 12).
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 78 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.
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 September 14, 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.
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
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 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
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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 September 14, 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 7,457,451 searches. Data last updated September 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$198 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$186 | Average$385 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$209 | Average$382 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$220 | Average$449 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$267 | Average$434 | FlexibilityNo cancel fee | On-time63% |