$19+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHM
Nov 22 — Nov 291
1 adult, Economy
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Find cheap flights from Illinois to Alabama with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Alabama
Keep the following information in mind while searching for Illinois to Alabama flight deals. Data was last updated October 23, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $82 (Cheapflightsfares) |
One-way from | $19 (Kiwi.com) |
Popular in | October |
Cheapest in | July |
Average price | $480 |
Good round-trip deal | $274 or less |
Good one-way deal | $146 or less |
Find flight deals from Illinois to Alabama
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 October 23, 2025.
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 October 23, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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.
Sun 11/25:20 amMDW - ATL
Nonstop2h 09mFrontier
Mon 11/109:08 pmATL - MDW
Nonstop2h 03mFrontier
Deal found 10/20![Frontier logo]()
$82
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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.
Sun 11/25:11 amORD - ATL
Nonstop2h 05mFrontier
Mon 11/1010:59 pmATL - ORD
Nonstop2h 12mFrontier
Deal found 10/20![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 10/315:11 amORD - ATL
Nonstop2h 05mFrontier
Mon 11/33:37 pmATL - ORD
Nonstop2h 19mFrontier
Deal found 10/22![Frontier logo]()
$83
This Cheapflightsfares deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/106:15 amMDW - ATL
Nonstop2h 14mFrontier
Thu 11/135:40 pmATL - MDW
Nonstop1h 59mFrontier
Deal found 10/22![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:11 amORD - ATL
Nonstop2h 05mMultiple Airlines
Wed 11/123:36 pmATL - ORD
1 stop5h 51mMultiple Airlines
Deal found 10/20![Multiple Airlines logo]()
$84
This Frontier deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/22:49 pmMDW - ATL
Nonstop2h 04mFrontier
Fri 12/59:10 pmATL - MDW
Nonstop2h 02mFrontier
Deal found 10/22![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/56:11 amORD - ATL
Nonstop2h 20mFrontier
Sat 12/69:10 pmATL - ORD
Nonstop2h 14mFrontier
Deal found 10/22![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/125:10 amORD - ATL
1 stop8h 31mSpirit Airlines
Sat 11/155:25 pmATL - ORD
1 stop8h 02mSpirit Airlines
Deal found 10/23![Spirit Airlines logo]()
$86
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/42:31 pmORD - ATL
1 stop5h 52mMultiple Airlines
Mon 11/109:26 amATL - ORD
Nonstop2h 15mMultiple Airlines
Deal found 10/21![Multiple Airlines logo]()
$87
This CheapOair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Tue 12/236:14 amMDW - ATL
Nonstop2h 18mFrontier
Thu 12/254:38 pmATL - MDW
Nonstop2h 00mFrontier
Deal found 10/21![Frontier logo]()
$88
This Cheapflightsfares deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/42:31 pmORD - ATL
1 stop5h 52mSpirit Airlines
Wed 11/53:36 pmATL - ORD
1 stop9h 51mSpirit Airlines
Deal found 10/21![Spirit Airlines logo]()
$88
This Frontier deal was found by Cheapflights users on 10/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:20 amMDW - ATL
Nonstop2h 09mFrontier
Wed 11/1211:43 amATL - MDW
Nonstop1h 58mFrontier
Deal found 10/20![Frontier logo]()
$89
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 October 23, 2025.
Use the filters below to find and compare flights from Illinois to Alabama that are best for you.
Fly from
Illinois
Fly to
Alabama
Route
Depart
Return
Price
ChicagoAtlanta
ORD - ATL
ORDATL
Chicago O'Hare Intl
Sat 2/14
6:00 pm-9:34 pm
Nonstop2h 34m
Atlanta Hartsfield-Jackson
Tue 2/17
9:09 pm-10:23 pm
Nonstop2h 14m
$88
ChicagoAtlanta
MDW - ATL
MDWATL
Chicago Midway
Tue 1/13
9:55 am-12:50 pm
Nonstop1h 55m
Atlanta Hartsfield-Jackson
Tue 1/20
3:45 pm-4:40 pm
Nonstop1h 55m
$111
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Fri 12/12
10:42 am-1:27 pm
Nonstop1h 45m
Atlanta Hartsfield-Jackson
Sun 12/14
10:46 pm-8:59 am
1 stop11h 13m
$117
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Fri 12/5
10:42 am-1:27 pm
Nonstop1h 45m
Atlanta Hartsfield-Jackson
Sun 12/7
7:20 am-10:14 am
1 stop27h 54m
$117
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Sun 11/2
11:27 am-2:07 pm
Nonstop1h 40m
Atlanta Hartsfield-Jackson
Wed 11/5
12:15 pm-9:07 am
1 stop21h 52m
$123
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Thu 11/13
11:07 am-1:47 pm
Nonstop1h 40m
Atlanta Hartsfield-Jackson
Sun 11/16
8:00 pm-9:07 am
1 stop14h 07m
$134
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Thu 12/11
2:57 pm-11:04 pm
1 stop7h 07m
Atlanta Hartsfield-Jackson
Sun 12/14
8:55 am-9:47 am
Nonstop1h 52m
$135
ChicagoAtlanta
MDW - ATL
MDWATL
Chicago Midway
Wed 2/11
5:25 pm-8:27 pm
Nonstop2h 02m
Atlanta Hartsfield-Jackson
Sun 2/15
2:30 pm-3:25 pm
Nonstop1h 55m
$137
ChicagoAtlanta
ORD - ATL
ORDATL
Chicago O'Hare Intl
Thu 1/15
7:10 am-10:23 am
Nonstop2h 13m
Atlanta Hartsfield-Jackson
Mon 1/19
8:05 pm-9:14 pm
Nonstop2h 09m
$137
ChicagoAtlanta
ORD - ATL
ORDATL
Chicago O'Hare Intl
Fri 1/16
5:50 am-9:02 am
Nonstop2h 12m
Atlanta Hartsfield-Jackson
Sun 1/18
3:30 pm-4:39 pm
Nonstop2h 09m
$137
Showing 1-10 of 60 results
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.
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
What is the cheapest month to book a flight from Illinois to Alabama?
Currently, March is the cheapest month in which you can book a flight from Illinois to Alabama (average of $157). Flying from Illinois to Alabama in April is currently the most expensive (average of $232). 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 October 23, 2025.
It’s typically best to fly out from Illinois to Alabama in the evening. Doing so could potentially save you 8% on the flight price compared to flying at noon, which is usually more expensive.
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 October 19, 2025.
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.
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 October 23, 2025.
The most flights from USIL to USAL are scheduled on a Wednesday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
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 October 23, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United 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.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - 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
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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.
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 October 23, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$172 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$187 | Average$335 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$209 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$457 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$275 | Average$396 | FlexibilityNo cancel fee | On-time63% |