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Cheap flights from Alabama to Illinois from $32

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alabama to Illinois departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Alabama to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 6:50 am
ATL
-
STL
1h 50mnonstop
Frontier Logo
8:23 pm - 11:09 pm
STL
-
ATL
1h 46mnonstop
$65Frontier
Wed, Apr 15 - Wed, Apr 22
Frontier Logo
6:00 am - 6:50 am
ATL
-
STL
1h 50mnonstop
Frontier Logo
5:27 pm - 8:14 pm
STL
-
ATL
1h 47mnonstop
$76Frontier
Sat, May 2 - Wed, May 6
Southwest Logo
3:40 pm - 10:15 pm
BHM
-
MDW
6h 35m
1 stop
Southwest Logo
11:10 am - 12:50 pm
MDW
-
BHM
1h 40mnonstop
$256Southwest
Tue, Apr 21 - Tue, Apr 28
Southwest Logo
6:20 am - 2:55 pm
BHM
-
MDW
8h 35m
2 stops
Southwest Logo
11:10 am - 12:50 pm
MDW
-
BHM
1h 40mnonstop
$261Southwest
Tue, Apr 21 - Tue, Apr 28
Delta Logo
2:55 pm - 6:31 pm
CHA
-
MDW
4h 36m
1 stop
Delta Logo
6:05 am - 12:23 pm
MDW
-
CHA
5h 18m
1 stop
$269Delta
Tue, Jun 23 - Wed, Jul 1
Delta Logo
6:15 pm - 10:31 pm
CHA
-
MDW
5h 16m
1 stop
Delta Logo
10:45 am - 3:29 pm
MDW
-
CHA
3h 44m
1 stop
$284Delta
Wed, Apr 8 - Sat, Apr 11
United Airlines Logo
7:30 am - 9:49 am
BHM
-
ORD
2h 19mnonstop
United Airlines Logo
7:57 pm - 10:04 pm
ORD
-
BHM
2h 07mnonstop
$317United Airlines
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
6:33 am - 9:00 am
BHM
-
ORD
2h 27mnonstop
American Airlines Logo
1:54 pm - 6:26 pm
ORD
-
BHM
4h 32m
1 stop
$327American Airlines
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
6:26 pm - 8:50 pm
BHM
-
ORD
2h 24mnonstop
United Airlines Logo
7:03 am - 9:05 am
ORD
-
BHM
2h 02mnonstop
$328United Airlines
Wed, Apr 15 - Sat, Apr 18
American Airlines Logo
5:44 pm - 8:17 pm
BHM
-
ORD
2h 33mnonstop
American Airlines Logo
9:08 pm - 11:13 pm
ORD
-
BHM
2h 05mnonstop
$330American Airlines
Wed, May 20 - Sat, May 23

Frontier flights from Alabama to Illinois

Our best Frontier deals on Alabama to Illinois flight tickets
Frontier
Apr 15
ATL6:00 amAtlanta Hartsfield-Jackson
1h 50m
STL6:50 amLambert-St Louis
Apr 22
STL8:23 pmLambert-St Louis
1h 46m
ATL11:09 pmAtlanta Hartsfield-Jackson
$65
Frontier
May 2
ATL6:00 amAtlanta Hartsfield-Jackson
1h 50m
STL6:50 amLambert-St Louis
May 6
STL5:27 pmLambert-St Louis
1h 47m
ATL8:14 pmAtlanta Hartsfield-Jackson
$76
Frontier
May 13
ATL8:05 amAtlanta Hartsfield-Jackson
1h 50m
STL8:55 amLambert-St Louis
May 15
STL5:27 pmLambert-St Louis
1h 47m
ATL8:14 pmAtlanta Hartsfield-Jackson
$77

Spirit Airlines flights from Alabama to Illinois

Our best Spirit Airlines deals on Alabama to Illinois flight tickets
Spirit Airlines
May 3
ATL9:12 amAtlanta Hartsfield-Jackson
2h 11m
ORD10:23 amChicago O'Hare Intl
May 10
ORD11:51 amChicago O'Hare Intl
1h 59m
ATL2:50 pmAtlanta Hartsfield-Jackson
$83
Spirit Airlines
May 6
ATL9:35 amAtlanta Hartsfield-Jackson
2h 11m
ORD10:46 amChicago O'Hare Intl
May 9
ORD9:35 amChicago O'Hare Intl
2h 01m
ATL12:36 pmAtlanta Hartsfield-Jackson
$84
Spirit Airlines
Apr 24
ATL9:12 amAtlanta Hartsfield-Jackson
2h 11m
ORD10:23 amChicago O'Hare Intl
Apr 27
ORD11:28 amChicago O'Hare Intl
1h 59m
ATL2:27 pmAtlanta Hartsfield-Jackson
$95

momondo 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, momondo users made 832,500 searches. Data last updated March 23, 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

Price

Cheapest round-trip
Quickest round-trip

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Wed 4/15

6:00 am-6:50 am

Nonstop1h 50m

Lambert-St Louis

Wed 4/22

8:23 pm-11:09 pm

Nonstop1h 46m

$65

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Sat 5/2

6:00 am-6:50 am

Nonstop1h 50m

Lambert-St Louis

Wed 5/6

5:27 pm-8:14 pm

Nonstop1h 47m

$76

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Tue 4/21

3:40 pm-10:15 pm

1 stop6h 35m

Chicago Midway

Tue 4/28

11:10 am-12:50 pm

Nonstop1h 40m

$256

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Tue 4/21

6:20 am-2:55 pm

2 stops8h 35m

Chicago Midway

Tue 4/28

11:10 am-12:50 pm

Nonstop1h 40m

$261

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Tue 6/23

2:55 pm-6:31 pm

1 stop4h 36m

Chicago Midway

Wed 7/1

6:05 am-12:23 pm

1 stop5h 18m

$269

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Wed 4/8

6:15 pm-10:31 pm

1 stop5h 16m

Chicago Midway

Sat 4/11

10:45 am-3:29 pm

1 stop3h 44m

$284

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Wed 4/15

7:30 am-9:49 am

Nonstop2h 19m

Chicago O'Hare Intl

Wed 4/22

7:57 pm-10:04 pm

Nonstop2h 07m

$317

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Wed 4/15

6:33 am-9:00 am

Nonstop2h 27m

Chicago O'Hare Intl

Wed 4/22

1:54 pm-6:26 pm

1 stop4h 32m

$327

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Wed 4/15

6:26 pm-8:50 pm

Nonstop2h 24m

Chicago O'Hare Intl

Sat 4/18

7:03 am-9:05 am

Nonstop2h 02m

$328

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Wed 5/20

5:44 pm-8:17 pm

Nonstop2h 33m

Chicago O'Hare Intl

Sat 5/23

9:08 pm-11:13 pm

Nonstop2h 05m

$330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Alabama to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Alabama is in September. Flight prices, which tend to average around $289, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $294.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Alabama to Illinois is on a Thursday when prices can be found for as low as $419. Flights from Alabama to Illinois on a Monday will generally be more expensive and average around $592. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Alabama to Illinois during this time can be as low as $406. Flights at noon are often more expensive with an average ticket price of $640.

What is the cheapest Alabama to Illinois flight route?

Fly from Gulf Shores Jack Edwards to Belleville for the best Alabama - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Alabama when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $365 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Alabama for as low as $296 on momondo.

What cabin class options are available on Alabama to Illinois flights?

There are 4 cabin classes available to choose from on Alabama to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Alabama to Illinois flights?

No. A direct flight is the cheapest option for a flight between Alabama to Illinois.

Cheap Alabama to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Alabama to Illinois

Best Price Found

$237

Fastest flight time

1h 25m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Alabama in the past 72 hours is $237. The best round-trip flight deal from Alabama to Illinois found on momondo in the last 72 hours is $319.
The fastest flight from Alabama to Illinois takes 1h 25m
Direct flights go from Alabama to Illinois every day.
There are 98 airports in Illinois. From Alabama there are direct flights to Lambert-St Louis (STL).
Search flight deals

  • When did momondo last update prices for flights from Alabama to Illinois?

    Prices for flights from Alabama to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Alabama to Illinois?

  • How old do you have to be to fly from Alabama to Illinois?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alabama to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Alabama to Illinois?

Best airlines flying from Alabama to Illinois

Compare and see reviews for airlines that fly from Alabama to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $82Free CancellationRating
7.3
710 reviews
Search Allegiant Air flights
DeltaPriceFrom $131Free CancellationRating
7.9
8,318 reviews
Search Delta flights
American AirlinesPriceFrom $186Free CancellationRating
7.1
11,486 reviews
Search American Airlines flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,462 reviews
Search United Airlines flights
SouthwestPriceFrom $240Free CancellationRating
8.0
4,324 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Alabama to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Alabama.

Can I find flights from Alabama to Illinois with flexible booking policies on momondo?

Flights from Alabama to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Alabama to Illinois?

Once you have performed a search for Alabama to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Alabama to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Alabama are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Illinois trip

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