$27+ Cheap flights from Illinois to Alabama
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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHM
Aug 19 — Aug 261
Round-trip
1 adult, Economy
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Cheapest flights from Illinois to AlabamaExplore the most affordable flight options available from Illinois to Alabama. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
Explore the most affordable flight options available from Illinois to Alabama. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
This Super.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:17 pm
STL
- ATL
Nonstop2h 03m
Frontier
Sun 9/64:28 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/15![Frontier logo]()
$65
This Super.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:34 pm
STL
- ATL
Nonstop2h 03m
Frontier
Fri 8/78:05 am
ATL
- STL
Nonstop1h 52m
Frontier
Deal found 7/16![Frontier logo]()
$72
This Super.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:17 pm
STL
- ATL
Nonstop2h 03m
Frontier
Thu 9/34:28 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/19![Frontier logo]()
$73
This Frontier deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:17 pm
STL
- ATL
Nonstop2h 03m
Frontier
Sun 9/64:28 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/19![Frontier logo]()
$74
This Cheapflightsfares deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:15 pm
MDW
- VPS
Nonstop2h 11m
Allegiant Air
Thu 11/196:30 am
VPS
- MDW
Nonstop2h 24m
Allegiant Air
Deal found 7/18![Allegiant Air logo]()
$78
This Cheapflightsfares deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:35 am
STL
- ATL
Nonstop1h 40m
Frontier
Sun 10/188:50 am
ATL
- STL
Nonstop1h 50m
Frontier
Deal found 7/15![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:35 am
STL
- ATL
Nonstop1h 40m
Frontier
Sun 10/258:50 am
ATL
- STL
Nonstop1h 50m
Frontier
Deal found 7/17![Frontier logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:35 am
STL
- ATL
Nonstop1h 40m
Frontier
Sun 10/258:50 am
ATL
- STL
Nonstop1h 50m
Frontier
Deal found 7/19![Frontier logo]()
$90
This Cheapflightsfares deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:57 pm
STL
- ATL
Nonstop1h 59m
Frontier
Wed 8/58:05 am
ATL
- STL
Nonstop1h 52m
Frontier
Deal found 7/19![Frontier logo]()
$100
This Frontier deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:34 pm
STL
- ATL
Nonstop2h 03m
Frontier
Thu 8/64:43 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/19![Frontier logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/314:57 pm
STL
- ATL
Nonstop1h 59m
Frontier
Fri 8/148:05 am
ATL
- STL
Nonstop1h 52m
Frontier
Deal found 7/16![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:57 pm
STL
- ATL
Nonstop1h 59m
Frontier
Thu 8/64:43 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/16![Frontier logo]()
$106
Best flights from Illinois to AlabamaDiscover carefully curated flight deals from Illinois to Alabama that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
Discover carefully curated flight deals from Illinois to Alabama that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:52 pm
STL
- ATL
Nonstop1h 41m
Delta
Thu 8/209:15 am
ATL
- STL
Nonstop1h 39m
Delta
Deal found 7/16![Delta logo]()
$127
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/35:20 am
STL
- ATL
1 stop7h 10m
Southwest
Tue 10/67:20 pm
ATL
- STL
Nonstop1h 40m
Southwest
Deal found 7/20![Southwest logo]()
$137
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/257:37 pm
ORD
- CHA
Nonstop1h 52m
American Airlines
Mon 9/285:00 pm
CHA
- ORD
Nonstop2h 19m
American Airlines
Deal found 7/20![American Airlines logo]()
$248
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:59 am
ORD
- CHA
Nonstop1h 52m
United Airlines
Wed 8/197:00 pm
CHA
- ORD
Nonstop2h 15m
United Airlines
Deal found 7/16![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:00 am
STL
- ATL
Nonstop1h 37m
Delta
Tue 8/187:30 am
ATL
- STL
Nonstop1h 38m
Delta
Deal found 7/19![Delta logo]()
$147
This JetBlue deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
ORD
- ATL
1 stop5h 51m
JetBlue
Mon 8/247:00 am
ATL
- ORD
1 stop7h 39m
JetBlue
Deal found 7/15![JetBlue logo]()
$299
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:10 am
STL
- ATL
1 stop3h 30m
Southwest
Mon 8/243:25 pm
ATL
- STL
1 stop5h 35m
Southwest
Deal found 7/19![Southwest logo]()
$152
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:25 pm
STL
- ATL
1 stop5h 05m
Southwest
Thu 8/206:00 am
ATL
- STL
1 stop6h 50m
Southwest
Deal found 7/15![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:25 pm
STL
- ATL
1 stop5h 05m
Southwest
Mon 9/2112:25 pm
ATL
- STL
1 stop5h 20m
Southwest
Deal found 7/17![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:50 pm
STL
- ATL
1 stop4h 50m
Southwest
Thu 8/205:35 pm
ATL
- STL
1 stop5h 45m
Southwest
Deal found 7/16![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:05 pm
STL
- ATL
1 stop5h 20m
Southwest
Mon 9/712:50 pm
ATL
- STL
1 stop5h 50m
Southwest
Deal found 7/15![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:25 pm
STL
- ATL
1 stop5h 05m
Southwest
Mon 8/177:05 am
ATL
- STL
1 stop4h 05m
Southwest
Deal found 7/15![Southwest logo]()
$157
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:35 pm
ORD
- BHM
Nonstop2h 00m
United Airlines
Thu 8/206:16 pm
BHM
- ORD
Nonstop2h 24m
United Airlines
Deal found 7/16![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/68:30 am
STL
- ATL
2 stops6h 40m
Southwest
Wed 10/710:00 am
ATL
- STL
1 stop6h 10m
Southwest
Deal found 7/20![Southwest logo]()
$162
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:00 pm
ORD
- ATL
1 stop5h 52m
Delta
Sun 10/181:15 pm
ATL
- ORD
Nonstop2h 12m
Delta
Deal found 7/15![Delta logo]()
$267
This JetBlue deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 am
ORD
- ATL
1 stop5h 51m
JetBlue
Wed 8/192:45 pm
ATL
- ORD
1 stop9h 59m
JetBlue
Deal found 7/15![JetBlue logo]()
$299
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:20 pm
ORD
- BHM
Nonstop2h 03m
United Airlines
Mon 9/146:15 pm
BHM
- ORD
Nonstop2h 25m
United Airlines
Deal found 7/19![United Airlines logo]()
$278
This KAYAK deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:59 pm
ORD
- ATL
Nonstop2h 04m
American Airlines
Thu 8/63:13 pm
ATL
- ORD
Nonstop2h 25m
American Airlines
Deal found 7/16![American Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:50 pm
ORD
- CHA
1 stop6h 54m
Delta
Mon 9/76:50 pm
CHA
- ORD
1 stop6h 07m
Delta
Deal found 7/19![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:05 pm
STL
- ATL
Nonstop1h 30m
Southwest
Sat 8/156:10 am
ATL
- STL
2 stops10h 15m
Southwest
Deal found 7/18![Southwest logo]()
$168
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:50 am
ORD
- CHA
Nonstop1h 52m
United Airlines
Mon 10/127:07 pm
CHA
- ORD
Nonstop2h 12m
United Airlines
Deal found 7/18![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:30 am
ORD
- CHA
1 stop5h 56m
Delta
Wed 8/195:35 am
CHA
- ORD
1 stop4h 48m
Delta
Deal found 7/16![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:30 am
ORD
- CHA
1 stop4h 48m
Delta
Sun 10/115:35 am
CHA
- ORD
1 stop5h 35m
Delta
Deal found 7/15![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:35 pm
ORD
- BHM
Nonstop2h 00m
United Airlines
Thu 8/277:20 am
BHM
- ORD
Nonstop2h 25m
United Airlines
Deal found 7/17![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:35 am
ORD
- CHA
1 stop4h 35m
Delta
Wed 10/142:45 pm
CHA
- ORD
1 stop5h 14m
Delta
Deal found 7/19![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:05 am
ORD
- CHA
1 stop4h 42m
Delta
Mon 10/55:35 am
CHA
- ORD
1 stop4h 00m
Delta
Deal found 7/15![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:55 am
MDW
- ATL
1 stop5h 15m
Southwest
Mon 8/106:35 pm
ATL
- MDW
Nonstop1h 55m
Southwest
Deal found 7/15![Southwest logo]()
$231
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:30 pm
ORD
- BHM
Nonstop2h 04m
United Airlines
Sun 8/97:18 am
BHM
- ORD
Nonstop2h 23m
United Airlines
Deal found 7/15![United Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:30 am
ORD
- CHA
1 stop5h 56m
Delta
Sun 8/306:00 am
CHA
- ORD
1 stop5h 42m
Delta
Deal found 7/17![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:45 am
MDW
- ATL
2 stops6h 40m
Southwest
Tue 9/87:55 am
ATL
- MDW
Nonstop1h 50m
Southwest
Deal found 7/15![Southwest logo]()
$236
Last-minute flights from Illinois to AlabamaDiscover last-minute flight deals from Illinois to Alabama. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Alabama. Data last updated July 20, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:34 pm
STL
- ATL
Nonstop2h 03m
Frontier
Sun 8/24:43 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/15![Frontier logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/314:57 pm
STL
- ATL
Nonstop1h 59m
Frontier
Fri 8/148:05 am
ATL
- STL
Nonstop1h 52m
Frontier
Deal found 7/16![Frontier logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:57 pm
STL
- ATL
Nonstop1h 59m
Frontier
Wed 8/58:05 am
ATL
- STL
Nonstop1h 52m
Frontier
Deal found 7/19![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:57 pm
STL
- ATL
Nonstop1h 59m
Frontier
Thu 8/64:43 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/16![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:34 pm
STL
- ATL
Nonstop2h 03m
Frontier
Fri 8/78:05 am
ATL
- STL
Nonstop1h 52m
Frontier
Deal found 7/16![Frontier logo]()
$72
This Frontier deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:34 pm
STL
- ATL
Nonstop2h 03m
Frontier
Thu 8/64:43 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/19![Frontier logo]()
$102
This CheapOair deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:57 pm
STL
- ATL
Nonstop1h 59m
Frontier
Sun 8/164:43 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/15![Frontier logo]()
$86
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:52 pm
STL
- ATL
Nonstop1h 41m
Delta
Tue 8/189:15 am
ATL
- STL
Nonstop1h 39m
Delta
Deal found 7/15![Delta logo]()
$117
This Frontier deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:57 pm
STL
- ATL
Nonstop1h 59m
Frontier
Sun 8/164:43 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/16![Frontier logo]()
$116
This Cheapflightsfares deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:25 pm
MDW
- VPS
Nonstop2h 14m
Allegiant Air
Mon 8/176:14 pm
VPS
- MDW
Nonstop2h 21m
Allegiant Air
Deal found 7/17![Allegiant Air logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:27 pm
STL
- ATL
1 stop15h 18m
Frontier
Sun 8/234:28 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/15![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:17 pm
STL
- ATL
Nonstop2h 03m
Frontier
Thu 9/34:28 pm
ATL
- STL
Nonstop1h 54m
Frontier
Deal found 7/19![Frontier logo]()
$73
One-way flights from Illinois to AlabamaSearch for one-way flight options from Illinois to Alabama. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
Search for one-way flight options from Illinois to Alabama. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:35 am
STL
- ATL
Nonstop1h 40m
Frontier
Deal found 7/18![Frontier logo]()
$27
This Super.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:57 pm
STL
- ATL
Nonstop1h 59m
Frontier
Deal found 7/15![Frontier logo]()
$28
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:35 am
STL
- ATL
Nonstop1h 40m
Frontier
Deal found 7/15![Frontier logo]()
$30
This Super.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:57 pm
STL
- ATL
Nonstop1h 59m
Frontier
Deal found 7/15![Frontier logo]()
$33
This Cheapflightsfares deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:17 pm
STL
- ATL
Nonstop2h 03m
Frontier
Deal found 7/20![Frontier logo]()
$46
This Cheapflightsfares deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:25 pm
MDW
- VPS
Nonstop2h 14m
Allegiant Air
Deal found 7/17![Allegiant Air logo]()
$49
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:40 pm
STL
- ATL
Nonstop1h 30m
Southwest
Deal found 7/15![Southwest logo]()
$59
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:05 am
STL
- ATL
Nonstop1h 34m
Delta
Deal found 7/15![Delta logo]()
$69
This Super.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:17 pm
STL
- ATL
Nonstop2h 03m
Frontier
Deal found 7/19![Frontier logo]()
$73
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:10 am
STL
- ATL
1 stop3h 30m
Southwest
Deal found 7/15![Southwest logo]()
$74
This Super.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/236:05 am
MDW
- ATL
Nonstop2h 17m
Frontier
Deal found 7/20![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 7/237:05 am
ORD
- ATL
Nonstop2h 25m
Frontier
Deal found 7/20![Frontier logo]()
$80
Find flight deals from Illinois to Alabama
Keep the following information in mind while searching for Illinois to Alabama flight deals. Data was last updated July 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $65 (Super.com) |
One-way from | $27 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $433 |
Good round-trip deal | $170 or less |
Good one-way deal | $249 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Alabama 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 July 20, 2026.
Use the filters below to find and compare flights from Illinois to Alabama that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Tue 8/18
12:52 pm-3:33 pm
Nonstop1h 41m
Atlanta Hartsfield-Jackson
Thu 8/20
9:15 am-9:54 am
Nonstop1h 39m
$127
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Sat 10/3
5:20 am-1:30 pm
1 stop7h 10m
Atlanta Hartsfield-Jackson
Tue 10/6
7:20 pm-8:00 pm
Nonstop1h 40m
$137
Quickest round-trip
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Thu 8/13
11:00 am-1:37 pm
Nonstop1h 37m
Atlanta Hartsfield-Jackson
Tue 8/18
7:30 am-8:08 am
Nonstop1h 38m
$147
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Thu 8/20
10:10 am-2:40 pm
1 stop3h 30m
Atlanta Hartsfield-Jackson
Mon 8/24
3:25 pm-8:00 pm
1 stop5h 35m
$152
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Mon 8/17
2:25 pm-8:30 pm
1 stop5h 05m
Atlanta Hartsfield-Jackson
Thu 8/20
6:00 am-11:50 am
1 stop6h 50m
$157
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Thu 9/17
2:25 pm-8:30 pm
1 stop5h 05m
Atlanta Hartsfield-Jackson
Mon 9/21
12:25 pm-4:45 pm
1 stop5h 20m
$157
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Tue 8/18
12:50 pm-6:40 pm
1 stop4h 50m
Atlanta Hartsfield-Jackson
Thu 8/20
5:35 pm-10:20 pm
1 stop5h 45m
$157
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Sat 9/5
2:05 pm-8:25 pm
1 stop5h 20m
Atlanta Hartsfield-Jackson
Mon 9/7
12:50 pm-5:40 pm
1 stop5h 50m
$157
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Fri 8/14
2:25 pm-8:30 pm
1 stop5h 05m
Atlanta Hartsfield-Jackson
Mon 8/17
7:05 am-10:10 am
1 stop4h 05m
$157
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Tue 10/6
8:30 am-4:10 pm
2 stops6h 40m
Atlanta Hartsfield-Jackson
Wed 10/7
10:00 am-3:10 pm
1 stop6h 10m
$162
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Alabama
Have a flexible travel schedule? Discover the best time to fly to Alabama from Illinois with our price prediction graph.
MDW-VPS
STL-ATL
ORD-ATL
ORD-VPS
ORD-BHM
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 Alabama
USIL-USAL
MDW-VPS
STL-ATL
ORD-ATL
ORD-VPS
What is the cheapest month to book a flight from Illinois to Alabama?
Currently, August is the cheapest month in which you can book a flight from Illinois to Alabama (average of $288). Flying from Illinois to Alabama in April is currently the most expensive (average of $439). 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 AL?
Find hourly flight availability from Illinois to Alabama. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 20, 2026.
It’s typically best to fly out from Illinois to Alabama at noon. Doing so could potentially save you 15% on the flight price compared to flying in the evening, which is usually more expensive.
Weekly flight availability from Illinois to Alabama
Explore weekly flight availability from Illinois to Alabama. 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 July 20, 2026.
The most flights from USIL to USAL are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from Illinois to Alabama?
How far ahead should I book a flight from Illinois to Alabama?
To ensure you get the cheapest price possible for a flight from Illinois to Alabama, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Illinois to Alabama?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Alabama. Price data was last updated on July 18, 2026.
Travelers seeking maximum savings on their Illinois to Alabama flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Alabama
Get insights into the airlines that provide service to Alabama. 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 Alabama. Reviews last updated July 20, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Illinois to Alabama. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Related info for your journey
Find useful and relevant information for your journey from Illinois to Alabama. 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 Illinois to Alabama
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Alabama by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Alabama by cabin class
Find flights from Illinois to Alabama, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Alabama flights
Browse other Illinois and Alabama flight options. Last updated on July 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Alabama
Find the right flight back to Illinois after your stay in Alabama
Illinois to Alabama flights
Consider these flights traveling from Illinois to Alabama.
Top 5 airlines flying from Illinois to Alabama
Discover the top 5 airlines that operate flights from Illinois to Alabama. 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 July 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$194 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$196 | Average$510 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$209 | Average$453 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$209 | Average$453 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$279 | Average$398 | FlexibilityNo cancel fee | On-time63% |