What is the cheapest airline that flies from Illinois to Alabama?

Frontier, United Airlines, and Delta are the most popular carriers operating from Illinois to Alabama

How many flights depart from Illinois to Alabama on average per week?

As of February 2026, there are 1,066 flights per week flying from Illinois to Alabama. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

What airlines fly to Alabama?

American Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Alabama from Illinois according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Alabama. Keep in mind that there are 5 different airlines that fly to Alabama on a routine basis, so you have a few additional options to choose from.

How many flights depart from Illinois to Alabama on average per day?

As of February 2026, 152 flights take off from Illinois and land in Alabama each day. The most common flight departure time for this route is 8:00PM, with 38% of daily flights taking off in the evening.

How long is the flight from Illinois to Alabama?

Flight times from Illinois to Alabama vary, but if you’re flying out of Chicago and flying into Birmingham, Alabama (one of the most popular routes), then the duration is 1h 50m on average. Another popular route from Illinois to Alabama is flying from Moline to Birmingham, Alabama, which will take roughly 4h 35m. Keep in mind that layovers or delays could extend your travel time.

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?

There are 7 operators available for flights from Illinois to Alabama as of February 2026.

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.

$32 Cheap Flights from Illinois to Alabama in 2026

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Find the cheapest flights from Illinois to Alabama

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:27 am - 2:07 pm

STL

ATL

1h 40mnonstop

9:40 am - 10:31 am

ATL

STL

1h 51mnonstop

$73Frontier

Tue, Mar 24 - Thu, Mar 26

2:09 pm - 4:53 pm

STL

ATL

1h 44mnonstop

12:43 pm - 1:34 pm

ATL

STL

1h 51mnonstop

$79Frontier

Mon, Mar 9 - Mon, Mar 16

10:30 am - 1:35 pm

ORD

ATL

2h 05mnonstop

6:55 pm - 8:17 pm

ATL

ORD

2h 22mnonstop

$91United Airlines

Sat, Apr 11 - Sat, Apr 11

10:35 am - 1:26 pm

ORD

CHA

1h 51mnonstop

6:30 am - 7:37 am

CHA

ORD

2h 07mnonstop

$189United Airlines

Wed, Mar 18 - Mon, Mar 23

5:30 am - 1:10 pm

ORD

CHA

6h 40m

1 stop

3:07 pm - 6:34 pm

CHA

ORD

4h 27m

1 stop

$209Delta

Thu, Mar 19 - Mon, Mar 23

6:50 pm - 11:23 pm

STL

PNS

4h 33m

1 stop

5:26 pm - 9:19 pm

PNS

STL

3h 53m

1 stop

$211Delta

Wed, Apr 22 - Wed, Apr 29

3:28 pm - 6:17 pm

ORD

CHA

1h 49mnonstop

8:00 am - 9:11 am

CHA

ORD

2h 11mnonstop

$219American Airlines

Thu, Mar 12 - Sun, Mar 15

10:28 am - 5:42 pm

ORD

CHA

6h 14m

1 stop

6:47 pm - 7:58 pm

CHA

ORD

2h 11mnonstop

$220American Airlines

Wed, Mar 18 - Mon, Mar 23

8:25 am - 10:40 am

MDW

PNS

2h 15mnonstop

11:15 am - 10:45 pm

PNS

MDW

11h 30m

1 stop

$221Southwest

Sun, May 17 - Sat, May 23

2:20 pm - 9:55 pm

MDW

PNS

7h 35m

1 stop

2:05 pm - 11:55 pm

PNS

MDW

9h 50m

1 stop

$224Southwest

Mon, Apr 6 - Fri, Apr 10

Frontier flights from Illinois to Alabama

Our best Frontier deals on Illinois to Alabama flight tickets

Frontier

Mar 24

STL11:27 amLambert-St Louis

1h 40m

ATL2:07 pmAtlanta Hartsfield-Jackson

Mar 26

ATL9:40 amAtlanta Hartsfield-Jackson

1h 51m

STL10:31 amLambert-St Louis

$73

Frontier

Mar 9

STL2:09 pmLambert-St Louis

1h 44m

ATL4:53 pmAtlanta Hartsfield-Jackson

Mar 16

ATL12:43 pmAtlanta Hartsfield-Jackson

1h 51m

STL1:34 pmLambert-St Louis

$79

Frontier

Mar 23

STL12:16 pmLambert-St Louis

1h 40m

ATL2:56 pmAtlanta Hartsfield-Jackson

Mar 26

ATL9:40 amAtlanta Hartsfield-Jackson

1h 51m

STL10:31 amLambert-St Louis

$80

Spirit Airlines flights from Illinois to Alabama

Our best Spirit Airlines deals on Illinois to Alabama flight tickets

Spirit Airlines

Apr 23

ORD5:09 pmChicago O'Hare Intl

5h 18m

1 stop

ATL11:27 pmAtlanta Hartsfield-Jackson

Apr 25

ATL1:05 pmAtlanta Hartsfield-Jackson

2h 15m

ORD2:20 pmChicago O'Hare Intl

$90

Spirit Airlines

Apr 30

ORD5:09 pmChicago O'Hare Intl

5h 18m

1 stop

ATL11:27 pmAtlanta Hartsfield-Jackson

May 4

ATL5:40 pmAtlanta Hartsfield-Jackson

2h 14m

ORD6:54 pmChicago O'Hare Intl

$94

Spirit Airlines

Apr 30

ORD3:15 pmChicago O'Hare Intl

1h 59m

ATL6:14 pmAtlanta Hartsfield-Jackson

May 3

ATL5:40 pmAtlanta Hartsfield-Jackson

2h 14m

ORD6:54 pmChicago O'Hare Intl

$99

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Tue 3/24

11:27 am-2:07 pm

Nonstop1h 40m

Atlanta Hartsfield-Jackson

Thu 3/26

9:40 am-10:31 am

Nonstop1h 51m

$73

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Mon 3/9

2:09 pm-4:53 pm

Nonstop1h 44m

Atlanta Hartsfield-Jackson

Mon 3/16

12:43 pm-1:34 pm

Nonstop1h 51m

$79

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 4/11

10:30 am-1:35 pm

Nonstop2h 05m

Atlanta Hartsfield-Jackson

Sat 4/11

6:55 pm-8:17 pm

Nonstop2h 22m

$91

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Wed 3/18

10:35 am-1:26 pm

Nonstop1h 51m

Chattanooga Lovell Field

Mon 3/23

6:30 am-7:37 am

Nonstop2h 07m

$189

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Thu 3/19

5:30 am-1:10 pm

1 stop6h 40m

Chattanooga Lovell Field

Mon 3/23

3:07 pm-6:34 pm

1 stop4h 27m

$209

St. LouisPensacola

STL - PNS

STLPNS

Lambert-St Louis

Wed 4/22

6:50 pm-11:23 pm

1 stop4h 33m

Pensacola

Wed 4/29

5:26 pm-9:19 pm

1 stop3h 53m

$211

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Thu 3/12

3:28 pm-6:17 pm

Nonstop1h 49m

Chattanooga Lovell Field

Sun 3/15

8:00 am-9:11 am

Nonstop2h 11m

$219

ChicagoChattanooga

ORD - CHA

ORDCHA

Chicago O'Hare Intl

Wed 3/18

10:28 am-5:42 pm

1 stop6h 14m

Chattanooga Lovell Field

Mon 3/23

6:47 pm-7:58 pm

Nonstop2h 11m

$220

ChicagoPensacola

MDW - PNS

MDWPNS

Chicago Midway

Sun 5/17

8:25 am-10:40 am

Nonstop2h 15m

Pensacola

Sat 5/23

11:15 am-10:45 pm

1 stop11h 30m

$221

ChicagoPensacola

MDW - PNS

MDWPNS

Chicago Midway

Mon 4/6

2:20 pm-9:55 pm

1 stop7h 35m

Pensacola

Fri 4/10

2:05 pm-11:55 pm

1 stop9h 50m

$224

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $335. If you’re not able to fly to Alabama in July, then August is your next best option. Flight prices from Illinois to Alabama during August average around $344.

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 $365. The most expensive day to fly to Alabama is Monday, with ticket prices averaging around $567.

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 $377. Flights in the evening are often more expensive with an average ticket price of $499.

What is the cheapest Illinois to Alabama flight route?

Fly from Belleville to Gulf Shores Jack Edwards 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 $405 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 $302 on momondo.

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

There are 4 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	$87
Fastest flight time	1h 30m
Direct flights	Every day
Airports in Alabama	51 airports

The best one-way flight to Alabama from Illinois in the past 72 hours is $87. The best round-trip flight deal from Illinois to Alabama found on momondo in the last 72 hours is $252.

The fastest flight from Illinois to Alabama takes 1h 30m

Direct flights go from Illinois to Alabama every day.

There are 51 airports in Alabama. From Illinois there are direct flights to Pensacola (PNS), 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?
There are 7 operators available for flights from Illinois to Alabama as of February 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Alabama is Canadair (Bombardier) Regional Jet CRJ-550 (33.24% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 700 (16.90%), Embraer 175 (Enhanced Winglets) (12.77%), and Embraer 175 (11.95%).

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 Air	PriceFrom $82	Free Cancellation	Rating 7.2 713 reviews	Search Allegiant Air flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 8,238 reviews	Search Delta flights
United Airlines	PriceFrom $209	Free Cancellation	Rating 7.4 9,345 reviews	Search United Airlines flights
American Airlines	PriceFrom $209	Free Cancellation	Rating 7.1 11,345 reviews	Search American Airlines flights
Southwest	PriceFrom $269	Free Cancellation	Rating 8.0 4,299 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

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Popular cities in Alabama

Flights to New Yorkfrom $56

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Flights to Orlandofrom $56

Flights to Chicagofrom $53

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $30

Flights to Washington, D.C.from $56

Flights to Bostonfrom $75

Flights to Atlantafrom $49

Flights to Dallasfrom $54

Flights to Seattlefrom $48

Cheap flights from Illinois to Alabama 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 Illinois to Alabama departing on 3/24. 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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Filter for what you want

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Find the cheapest flights from Illinois to Alabama

Cheap round-trip flights

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Frontier flights from Illinois to Alabama

Our best Frontier deals on Illinois to Alabama flight tickets

Spirit Airlines flights from Illinois to Alabama

Our best Spirit Airlines deals on Illinois to Alabama flight tickets

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Use the filters below to find and compare flights from Illinois to Alabama that are best for you.

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How to get the cheapest flight ticket from Illinois to Alabama

What is the cheapest month to fly to Alabama?

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

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

What is the cheapest Illinois to Alabama flight route?

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

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

Can stopping save me money on Illinois to Alabama flights?

What is the cheapest airline that flies from Illinois to Alabama?

What airlines fly to Alabama?

How many flights depart from Illinois to Alabama on average per day?

How many flights depart from Illinois to Alabama on average per week?

How long is the flight from 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

Fastest flight time

Direct flights

Airports in Alabama

Best airlines flying from Illinois to Alabama

Compare and see reviews for airlines that fly from Illinois to Alabama with momondo

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Alabama

Popular cities in Alabama

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

Illinois flight routes

According to popular flight searches on momondo this year

Alabama flight routes

According to popular flight searches on momondo this year

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