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Cheap flights from Illinois to Alabama from $29

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Alabama departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to Alabama

Cheap round-trip flights

Frontier Logo
7:23 pm - 10:28 pmMDW-ATL
2h 05mnonstop
Frontier Logo
5:19 pm - 6:18 pmATL-MDW
1h 59mnonstop
$49Frontier
Find Deal
Thu, Oct 23 - Mon, Oct 27
Spirit Airlines Logo
11:21 am - 2:11 pmORD-ATL
1h 50mnonstop
Spirit Airlines Logo
3:06 pm - 4:26 pmATL-ORD
2h 20mnonstop
$51Spirit Airlines
Find Deal
Sat, Aug 23 - Wed, Sep 3
Delta Logo
6:00 am - 8:56 amMDW-ATL
1h 56mnonstop
Delta Logo
8:15 pm - 9:12 pmATL-MDW
1h 57mnonstop
$137Delta
Find Deal
Sat, Sep 6 - Sat, Sep 6
Delta Logo
6:42 pm - 9:24 pmSTL-ATL
1h 42mnonstop
Delta Logo
10:44 pm - 11:24 pmATL-STL
1h 40mnonstop
$147Delta
Find Deal
Fri, Sep 19 - Mon, Sep 22
Southwest Logo
1:30 pm - 4:05 pmSTL-ATL
1h 35mnonstop
Southwest Logo
7:45 am - 8:25 amATL-STL
1h 40mnonstop
$173Southwest
Find Deal
Fri, Sep 5 - Sun, Sep 7
American Airlines Logo
8:50 pm - 10:58 pmORD-BHM
2h 08mnonstop
American Airlines Logo
5:00 pm - 7:25 pmBHM-ORD
2h 25mnonstop
$181American Airlines
Find Deal
Sat, Oct 18 - Tue, Oct 21
Southwest Logo
5:35 am - 12:55 pmSTL-ATL
6h 20m1 stop
Southwest Logo
6:00 am - 9:50 amATL-STL
4h 50m1 stop
$182Southwest
Find Deal
Wed, Oct 15 - Thu, Oct 16
American Airlines Logo
9:23 am - 3:40 pmSTL-ATL
5h 17m1 stop
American Airlines Logo
7:15 pm - 11:05 pmATL-STL
4h 50m1 stop
$186American Airlines
Find Deal
Sat, Aug 23 - Mon, Aug 25
United Airlines Logo
8:45 am - 11:36 amORD-CHA
1h 51mnonstop
United Airlines Logo
2:01 pm - 3:04 pmCHA-ORD
2h 03mnonstop
$194United Airlines
Find Deal
Wed, Sep 10 - Tue, Sep 16
United Airlines Logo
8:14 pm - 10:59 pmORD-CHA
1h 45mnonstop
United Airlines Logo
2:01 pm - 3:04 pmCHA-ORD
2h 03mnonstop
$199United Airlines
Find Deal
Fri, Aug 15 - Tue, Aug 19

Frontier flights from Illinois to Alabama

Our best Frontier deals on Illinois to Alabama flight tickets
Frontier
Oct 23
MDW7:23 pmChicago Midway
2h 05m
ATL10:28 pmAtlanta Hartsfield-Jackson
Oct 27
ATL5:19 pmAtlanta Hartsfield-Jackson
1h 59m
MDW6:18 pmChicago Midway
$49
Find similar
Frontier
Oct 23
ORD6:16 pmChicago O'Hare Intl
2h 24m
ATL9:40 pmAtlanta Hartsfield-Jackson
Oct 27
ATL9:11 amAtlanta Hartsfield-Jackson
2h 15m
ORD10:26 amChicago O'Hare Intl
$58
Find similar
Frontier
Oct 23
ORD5:10 amChicago O'Hare Intl
2h 05m
ATL8:15 amAtlanta Hartsfield-Jackson
Oct 27
ATL2:16 pmAtlanta Hartsfield-Jackson
2h 14m
ORD3:30 pmChicago O'Hare Intl
$69
Find similar

Spirit Airlines flights from Illinois to Alabama

Our best Spirit Airlines deals on Illinois to Alabama flight tickets
Spirit Airlines
Aug 23
ORD11:21 amChicago O'Hare Intl
1h 50m
ATL2:11 pmAtlanta Hartsfield-Jackson
Sep 3
ATL3:06 pmAtlanta Hartsfield-Jackson
2h 20m
ORD4:26 pmChicago O'Hare Intl
$51
Find similar
Spirit Airlines
Aug 23
ORD11:21 amChicago O'Hare Intl
1h 50m
ATL2:11 pmAtlanta Hartsfield-Jackson
Sep 3
ATL3:06 pmAtlanta Hartsfield-Jackson
2h 20m
ORD4:26 pmChicago O'Hare Intl
$61
Find similar
Spirit Airlines
Aug 16
ORD11:21 amChicago O'Hare Intl
1h 50m
ATL2:11 pmAtlanta Hartsfield-Jackson
Aug 23
ATL3:06 pmAtlanta Hartsfield-Jackson
2h 20m
ORD4:26 pmChicago O'Hare Intl
$68
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 2, 2025.
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

Price

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Thu 10/23

7:23 pm-10:28 pm

Nonstop2h 05m

Atlanta Hartsfield-Jackson

Mon 10/27

5:19 pm-6:18 pm

Nonstop1h 59m

$49

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 8/23

11:21 am-2:11 pm

Nonstop1h 50m

Atlanta Hartsfield-Jackson

Wed 9/3

3:06 pm-4:26 pm

Nonstop2h 20m

$51

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Sat 9/6

6:00 am-8:56 am

Nonstop1h 56m

Atlanta Hartsfield-Jackson

Sat 9/6

8:15 pm-9:12 pm

Nonstop1h 57m

$137

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Fri 9/19

6:42 pm-9:24 pm

Nonstop1h 42m

Atlanta Hartsfield-Jackson

Mon 9/22

10:44 pm-11:24 pm

Nonstop1h 40m

$147

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Fri 9/5

1:30 pm-4:05 pm

Nonstop1h 35m

Atlanta Hartsfield-Jackson

Sun 9/7

7:45 am-8:25 am

Nonstop1h 40m

$173

ChicagoBirmingham

ORD - BHM

ORDBHM

Chicago O'Hare Intl

Sat 10/18

8:50 pm-10:58 pm

Nonstop2h 08m

Birmingham

Tue 10/21

5:00 pm-7:25 pm

Nonstop2h 25m

$181

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 10/15

5:35 am-12:55 pm

1 stop6h 20m

Atlanta Hartsfield-Jackson

Thu 10/16

6:00 am-9:50 am

1 stop4h 50m

$182

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Sat 8/23

9:23 am-3:40 pm

1 stop5h 17m

Atlanta Hartsfield-Jackson

Mon 8/25

7:15 pm-11:05 pm

1 stop4h 50m

$186

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Wed 9/10

8:45 am-11:36 am

Nonstop1h 51m

Chattanooga Lovell Field

Tue 9/16

2:01 pm-3:04 pm

Nonstop2h 03m

$194

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Fri 8/15

8:14 pm-10:59 pm

Nonstop1h 45m

Chattanooga Lovell Field

Tue 8/19

2:01 pm-3:04 pm

Nonstop2h 03m

$199

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from Illinois to Alabama

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 Alabama?

In general, July is the cheapest month to fly from Illinois to Alabama. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $349. If you’re not able to fly to Alabama in July, then November is your next best option. Flight prices from Illinois to Alabama during November average around $350.

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

Our data shows that Saturday is the least expensive day to fly to Alabama. Tickets to fly out on this day can be as low as $324. The most expensive day to fly to Alabama is Sunday, with ticket prices averaging around $479.

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

Our data shows that the cheapest Illinois to Alabama flights are usually those with departure times at noon. Our users have found flights to Alabama at noon for as low as $324. Flights in the evening are often more expensive with an average ticket price of $442.

What is the cheapest Illinois to Alabama flight route?

Fly from Chicago Midway to Birmingham for the best Illinois - Alabama flight prices

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

You are more likely to see cheaper flights to Alabama from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Alabama for around $382 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alabama from Illinois for as low as $242 on momondo.

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

There are 3 cabin classes available to choose from on Illinois to Alabama 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 Illinois to Alabama flights?

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

Cheap Illinois to Alabama flight deals and tips

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

Best Price Found

$29

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Alabama

4 airports
The best one-way flight to Alabama from Illinois in the past 72 hours is $29. The best round-trip flight deal from Illinois to Alabama found on momondo in the last 72 hours is $49.
The fastest flight from Illinois to Alabama takes 1h 30m
Direct flights go from Illinois to Alabama every day.
There are 4 airports near Alabama: Pensacola (PNS), Birmingham (BHM), Atlanta Hartsfield-Jackson (ATL), Chattanooga Lovell Field (CHA)
Search flight deals

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

    Prices for flights from Illinois to Alabama were last updated today.

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

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

    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 Illinois to Alabama.

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

    The travel and health documents you'll need for your trip to Alabama may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alabama. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Illinois to Alabama

Compare and see reviews for airlines that fly from Illinois to Alabama with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $117Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $198Free CancellationRating
8.0
7,983 reviews
Search Delta flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
Spirit AirlinesPriceFrom $214Free CancellationRating
6.3
8,054 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $269Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Alabama. momondo saves you time and could save you money on your trip.

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

Flights from Illinois to Alabama 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 Illinois to Alabama?

momondo provides multiple filters to help you find the best flight to Alabama from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Alabama from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Alabama trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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