$29+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHM
Feb 13 — Feb 201
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
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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 January 14, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $79 (Kiwi.com) |
One-way from | $29 (Priceline) |
Popular in | February |
Cheapest in | July |
Average price | $377 |
Good round-trip deal | $102 or less |
Good one-way deal | $180 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 January 14, 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 January 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Sun 2/225:05 am
ORD
- ATL
Nonstop2h 17m
Frontier
Thu 2/269:15 pm
ATL
- ORD
Nonstop2h 24m
Frontier
Deal found 1/12![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 1/13. 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.
Mon 1/268:22 pm
STL
- ATL
Nonstop1h 44m
Frontier
Fri 1/306:00 am
ATL
- STL
Nonstop1h 51m
Frontier
Deal found 1/13![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 1/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:02 pm
ORD
- ATL
Nonstop2h 32m
Frontier
Sat 2/219:17 am
ATL
- ORD
Nonstop2h 29m
Frontier
Deal found 1/12![Frontier logo]()
$80
This Cheapflightsfares deal was found by Cheapflights users on 1/11. 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 2/229:04 pm
MDW
- ATL
Nonstop2h 07m
Frontier
Wed 2/256:04 pm
ATL
- MDW
Nonstop2h 03m
Frontier
Deal found 1/11![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 1/13. 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.
Wed 3/48:17 pm
STL
- ATL
Nonstop1h 40m
Frontier
Mon 3/912:28 pm
ATL
- STL
Nonstop1h 51m
Frontier
Deal found 1/13![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Sat 2/76:03 am
ORD
- ATL
Nonstop2h 21m
Frontier
Sat 2/219:15 pm
ATL
- ORD
Nonstop2h 24m
Frontier
Deal found 1/13![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 1/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/214:42 pm
ORD
- ATL
Nonstop2h 26m
Frontier
Mon 2/239:15 pm
ATL
- ORD
Nonstop2h 24m
Frontier
Deal found 1/13![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 1/13. 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.
Wed 2/116:15 am
MDW
- ATL
Nonstop2h 17m
Frontier
Sun 2/156:56 pm
ATL
- MDW
Nonstop2h 03m
Frontier
Deal found 1/13![Frontier logo]()
$83
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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.
Thu 3/124:28 pm
ORD
- ATL
Nonstop2h 26m
Frontier
Tue 3/179:23 am
ATL
- ORD
Nonstop2h 29m
Frontier
Deal found 1/12![Frontier logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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.
Mon 3/236:00 am
MDW
- ATL
Nonstop2h 17m
Frontier
Thu 3/266:44 pm
ATL
- MDW
Nonstop2h 03m
Frontier
Deal found 1/12![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 2/48:22 pm
STL
- ATL
Nonstop1h 44m
Frontier
Sat 2/76:00 am
ATL
- STL
Nonstop1h 51m
Frontier
Deal found 1/12![Frontier logo]()
$85
This Travelocity deal was found by Cheapflights users on 1/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/155:05 am
ORD
- ATL
Nonstop2h 17m
Multiple Airlines
Wed 2/255:25 am
ATL
- ORD
1 stop6h 57m
Multiple Airlines
Deal found 1/13![Multiple Airlines logo]()
$85
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 January 14, 2026.
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 2/21
4:42 pm-8:08 pm
Nonstop2h 26m
Atlanta Hartsfield-Jackson
Sun 2/22
9:15 pm-10:39 pm
Nonstop2h 24m
$83
ChicagoAtlanta
ORD - ATL
ORDATL
Chicago O'Hare Intl
Sat 2/7
6:03 am-9:24 am
Nonstop2h 21m
Atlanta Hartsfield-Jackson
Sat 2/14
9:17 am-10:46 am
Nonstop2h 29m
$88
ChicagoAtlanta
ORD - ATL
ORDATL
Chicago O'Hare Intl
Sat 2/7
7:20 am-2:20 pm
1 stop6h 00m
Atlanta Hartsfield-Jackson
Sat 2/14
9:17 am-10:46 am
Nonstop2h 29m
$98
ChicagoAtlanta
ORD - ATL
ORDATL
Chicago O'Hare Intl
Wed 3/11
5:01 am-8:18 am
Nonstop2h 17m
Atlanta Hartsfield-Jackson
Fri 3/20
9:23 am-10:52 am
Nonstop2h 29m
$103
ChicagoAtlanta
ORD - ATL
ORDATL
Chicago O'Hare Intl
Fri 3/13
4:51 pm-8:17 pm
Nonstop2h 26m
Atlanta Hartsfield-Jackson
Wed 3/18
9:23 am-10:52 am
Nonstop2h 29m
$103
ChicagoAtlanta
ORD - ATL
ORDATL
Chicago O'Hare Intl
Fri 2/27
8:16 pm-10:24 am
1 stop13h 08m
Atlanta Hartsfield-Jackson
Mon 3/2
9:15 pm-10:39 pm
Nonstop2h 24m
$105
ChicagoAtlanta
ORD - ATL
ORDATL
Chicago O'Hare Intl
Fri 3/13
4:51 pm-8:17 pm
Nonstop2h 26m
Atlanta Hartsfield-Jackson
Sun 3/15
9:23 am-10:52 am
Nonstop2h 29m
$107
St. LouisAtlanta
STL - ATL
STLATL
Lambert-St Louis
Thu 2/26
10:11 pm-1:04 pm
1 stop13h 53m
Atlanta Hartsfield-Jackson
Thu 4/2
8:55 am-9:47 am
Nonstop1h 52m
$109
ChicagoAtlanta
ORD - ATL
ORDATL
Chicago O'Hare Intl
Wed 3/11
2:43 pm-9:50 pm
1 stop6h 07m
Atlanta Hartsfield-Jackson
Tue 3/17
9:23 am-10:52 am
Nonstop2h 29m
$112
ChicagoAtlanta
ORD - ATL
ORDATL
Chicago O'Hare Intl
Wed 3/11
2:43 pm-9:50 pm
1 stop6h 07m
Atlanta Hartsfield-Jackson
Wed 3/18
9:23 am-10:52 am
Nonstop2h 29m
$112
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, January is the cheapest month in which you can book a flight from Illinois to Alabama (average of $82). 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 January 14, 2026.
It’s typically best to fly out from Illinois to Alabama in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the evening, 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 January 10, 2026.
Travelers seeking maximum savings on their Illinois to Alabama flight should consider departing on Monday afternoons 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 January 14, 2026.
The most flights from USIL to USAL are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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 January 14, 2026.
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
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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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 January 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$168 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$187 | Average$323 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$209 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$232 | Average$448 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$399 | FlexibilityNo cancel fee | On-time63% |