Cheap flights from Alabama to Illinois from $27

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 3/6. 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 - 6:51 am
ATL
-
STL
1h 51mnonstop
Frontier Logo
8:17 pm - 10:57 pm
STL
-
ATL
1h 40mnonstop
$57Frontier
Mon, Feb 16 - Wed, Feb 18
Frontier Logo
6:00 am - 6:51 am
ATL
-
STL
1h 51mnonstop
Frontier Logo
8:22 pm - 11:02 pm
STL
-
ATL
1h 40mnonstop
$58Frontier
Wed, Feb 25 - Mon, Mar 2
Delta Logo
6:55 pm - 11:56 pm
HSV
-
ORD
5h 01m
1 stop
Delta Logo
5:30 am - 10:08 am
ORD
-
HSV
4h 38m
1 stop
$187Delta
Fri, Mar 6 - Sun, Mar 8
United Airlines Logo
6:30 am - 7:37 am
CHA
-
ORD
2h 07mnonstop
United Airlines Logo
10:35 am - 1:26 pm
ORD
-
CHA
1h 51mnonstop
$189United Airlines
Thu, Feb 26 - Thu, Mar 5
United Airlines Logo
2:25 pm - 4:43 pm
HSV
-
ORD
2h 18mnonstop
United Airlines Logo
9:15 pm - 11:06 pm
ORD
-
HSV
1h 51mnonstop
$209United Airlines
Wed, Mar 4 - Mon, Mar 9
Delta Logo
7:00 am - 12:46 pm
CHA
-
MDW
6h 46m
1 stop
Delta Logo
6:00 am - 1:10 pm
MDW
-
CHA
6h 10m
1 stop
$209Delta
Sat, Feb 28 - Wed, Mar 11
American Airlines Logo
2:15 pm - 4:28 pm
HSV
-
ORD
2h 13mnonstop
American Airlines Logo
8:59 pm - 10:50 pm
ORD
-
HSV
1h 51mnonstop
$210American Airlines
Fri, Mar 20 - Fri, Mar 27
American Airlines Logo
11:50 am - 2:12 pm
BHM
-
ORD
2h 22mnonstop
American Airlines Logo
3:09 pm - 5:14 pm
ORD
-
BHM
2h 05mnonstop
$282American Airlines
Wed, Apr 29 - Sat, May 2
Southwest Logo
2:55 pm - 4:50 pm
BHM
-
MDW
1h 55mnonstop
Southwest Logo
12:35 pm - 2:15 pm
MDW
-
BHM
1h 40mnonstop
$295Southwest
Sat, May 2 - Mon, May 4
Southwest Logo
5:40 am - 3:30 pm
BHM
-
ORD
9h 50m
2 stops
Southwest Logo
1:35 pm - 8:15 pm
ORD
-
BHM
6h 40m
1 stop
$301Southwest
Thu, Apr 30 - Tue, May 5

Spirit Airlines flights from Alabama to Illinois

Our best Spirit Airlines deals on Alabama to Illinois flight tickets
Spirit Airlines
Feb 19
ATL3:12 pmAtlanta Hartsfield-Jackson
7h 01m
1 stop
ORD9:13 pmChicago O'Hare Intl
Feb 23
ORD8:16 pmChicago O'Hare Intl
13h 08m
1 stop
ATL10:24 amAtlanta Hartsfield-Jackson
$100
Spirit Airlines
Feb 28
ATL9:42 pmAtlanta Hartsfield-Jackson
11h 12m
1 stop
ORD7:54 amChicago O'Hare Intl
Mar 4
ORD7:23 pmChicago O'Hare Intl
12h 44m
1 stop
ATL9:07 amAtlanta Hartsfield-Jackson
$110
Spirit Airlines
Feb 24
ATL8:47 amAtlanta Hartsfield-Jackson
11h 24m
1 stop
ORD7:11 pmChicago O'Hare Intl
Feb 28
ORD5:15 amChicago O'Hare Intl
7h 52m
1 stop
ATL2:07 pmAtlanta Hartsfield-Jackson
$111

Frontier flights from Alabama to Illinois

Our best Frontier deals on Alabama to Illinois flight tickets
Frontier
Feb 16
ATL6:00 amAtlanta Hartsfield-Jackson
1h 51m
STL6:51 amLambert-St Louis
Feb 18
STL8:17 pmLambert-St Louis
1h 40m
ATL10:57 pmAtlanta Hartsfield-Jackson
$57
Frontier
Feb 25
ATL6:00 amAtlanta Hartsfield-Jackson
1h 51m
STL6:51 amLambert-St Louis
Mar 2
STL8:22 pmLambert-St Louis
1h 40m
ATL11:02 pmAtlanta Hartsfield-Jackson
$58
Frontier
Mar 13
ATL12:43 pmAtlanta Hartsfield-Jackson
1h 51m
STL1:34 pmLambert-St Louis
Mar 23
STL12:16 pmLambert-St Louis
1h 40m
ATL2:56 pmAtlanta Hartsfield-Jackson
$62

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 February 6, 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

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Mon 2/16

6:00 am-6:51 am

Nonstop1h 51m

Lambert-St Louis

Wed 2/18

8:17 pm-10:57 pm

Nonstop1h 40m

$57

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Wed 2/25

6:00 am-6:51 am

Nonstop1h 51m

Lambert-St Louis

Mon 3/2

8:22 pm-11:02 pm

Nonstop1h 40m

$58

HuntsvilleChicago

HSV - ORD

HSVORD

Huntsville

Fri 3/6

6:55 pm-11:56 pm

1 stop5h 01m

Chicago O'Hare Intl

Sun 3/8

5:30 am-10:08 am

1 stop4h 38m

$187

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Thu 2/26

6:30 am-7:37 am

Nonstop2h 07m

Chicago O'Hare Intl

Thu 3/5

10:35 am-1:26 pm

Nonstop1h 51m

$189

HuntsvilleChicago

HSV - ORD

HSVORD

Huntsville

Wed 3/4

2:25 pm-4:43 pm

Nonstop2h 18m

Chicago O'Hare Intl

Mon 3/9

9:15 pm-11:06 pm

Nonstop1h 51m

$209

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Sat 2/28

7:00 am-12:46 pm

1 stop6h 46m

Chicago Midway

Wed 3/11

6:00 am-1:10 pm

1 stop6h 10m

$209

HuntsvilleChicago

HSV - ORD

HSVORD

Huntsville

Fri 3/20

2:15 pm-4:28 pm

Nonstop2h 13m

Chicago O'Hare Intl

Fri 3/27

8:59 pm-10:50 pm

Nonstop1h 51m

$210

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Wed 4/29

11:50 am-2:12 pm

Nonstop2h 22m

Chicago O'Hare Intl

Sat 5/2

3:09 pm-5:14 pm

Nonstop2h 05m

$282

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Sat 5/2

2:55 pm-4:50 pm

Nonstop1h 55m

Chicago Midway

Mon 5/4

12:35 pm-2:15 pm

Nonstop1h 40m

$295

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Thu 4/30

5:40 am-3:30 pm

2 stops9h 50m

Chicago O'Hare Intl

Tue 5/5

1:35 pm-8:15 pm

1 stop6h 40m

$301

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 $293, 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 October is also cheap. Prices for this month can be found on momondo for an average of $313.

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 $408. Flights from Alabama to Illinois on a Monday will generally be more expensive and average around $606. 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 $410. Flights at noon are often more expensive with an average ticket price of $661.

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 $375 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

$192

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Alabama in the past 72 hours is $192. The best round-trip flight deal from Alabama to Illinois found on momondo in the last 72 hours is $337.
The fastest flight from Alabama to Illinois takes 1h 20m
Direct flights go from Alabama to Illinois every day.
There are 98 airports in Illinois. From Alabama there are direct flights to Chicago Midway (MDW), Lambert-St Louis (STL).
  • 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
7.2
709 reviews
Search Allegiant Air flights
DeltaPriceFrom $131Free CancellationRating
7.9
8,158 reviews
Search Delta flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
11,244 reviews
Search American Airlines flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,243 reviews
Search United Airlines flights
SouthwestPriceFrom $240Free CancellationRating
8.0
4,278 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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1 adult
Sun 3/8
Sun 3/15

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Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo