HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Alabama

$39+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHM
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 July 3, 2025.

Round-trip from

$93
(Priceline)

One-way from

$39
(Frontier)

Popular in

February

Cheapest in

July

Average price

$340

Good round-trip deal

$117 or less

Good one-way deal

$142 or less
From Illinois to Alabama
Search Deals
One-way flight from Illinois to Alabama
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Alabama.
Search Deals
Price to beat on a one-way flight from Illinois to Alabama.
Search Deals

Find flight deals from Illinois to Alabama

Cheapest flights from Illinois to Alabama
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 July 3, 2025.

This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:47 pmMDW - ATL
1 stop10h 17mFrontier
Mon 9/1510:25 pmATL - MDW
Nonstop1h 55mFrontier
Deal found 6/30$93
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:02 pmORD - ATL
Nonstop2h 06mSpirit Airlines
Wed 7/166:00 amATL - ORD
Nonstop2h 04mSpirit Airlines
Deal found 7/1$93
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Mon 7/145:01 amORD - ATL
Nonstop2h 11mFrontier
Wed 7/169:02 amATL - ORD
Nonstop2h 23mFrontier
Deal found 7/2$94
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 7/165:01 amORD - ATL
Nonstop2h 11mMultiple Airlines
Sun 8/36:00 amATL - ORD
Nonstop2h 04mMultiple Airlines
Deal found 7/3$95
This Frontier deal was found by Cheapflights users on 7/1. 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.
Thu 7/102:36 pmSTL - ATL
Nonstop1h 54mFrontier
Sun 8/1012:43 pmATL - STL
Nonstop1h 51mFrontier
Deal found 7/1$121
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/142:36 pmSTL - ATL
Nonstop1h 54mMultiple Airlines
Wed 8/274:13 pmATL - STL
1 stop22h 19mMultiple Airlines
Deal found 7/1$131
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/142:30 pmSTL - ATL
1 stop7h 35mSpirit Airlines
Mon 8/186:35 amATL - STL
1 stop7h 57mSpirit Airlines
Deal found 7/1$133
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1311:02 amSTL - ATL
Nonstop1h 38mDelta
Tue 8/269:20 pmATL - STL
Nonstop1h 42mDelta
Deal found 7/1$137
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:45 amSTL - ATL
1 stop6h 30mSouthwest
Tue 8/267:15 pmATL - STL
Nonstop1h 45mSouthwest
Deal found 7/1$147
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:56 amSTL - ATL
1 stop3h 53mAmerican Airlines
Mon 10/65:58 pmATL - STL
1 stop7h 00mAmerican Airlines
Deal found 7/2$159
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:16 amORD - BHM
Nonstop1h 56mAmerican Airlines
Tue 11/43:40 pmBHM - ORD
Nonstop2h 10mAmerican Airlines
Deal found 7/2$181
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/27:10 amORD - CHA
Nonstop1h 49mUnited Airlines
Sat 8/95:30 pmCHA - ORD
Nonstop2h 05mUnited Airlines
Deal found 7/2$189

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 July 3, 2025.
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

MDW - ATL

MDWATL

Chicago Midway

Fri 9/12

9:47 pm-9:04 am

1 stop10h 17m

Atlanta Hartsfield-Jackson

Mon 9/15

10:25 pm-11:20 pm

Nonstop1h 55m

$93

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 7/12

6:02 pm-9:08 pm

Nonstop2h 06m

Atlanta Hartsfield-Jackson

Wed 7/16

6:00 am-7:04 am

Nonstop2h 04m

$93

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Mon 7/14

5:01 am-8:12 am

Nonstop2h 11m

Atlanta Hartsfield-Jackson

Wed 7/16

9:02 am-10:25 am

Nonstop2h 23m

$94

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Tue 7/29

4:36 pm-11:46 pm

1 stop6h 10m

Atlanta Hartsfield-Jackson

Sun 8/3

9:02 am-10:25 am

Nonstop2h 23m

$96

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 10/16

11:02 am-1:42 pm

Nonstop1h 40m

Atlanta Hartsfield-Jackson

Sat 10/18

6:45 am-7:49 am

1 stop26h 04m

$121

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 7/17

2:36 pm-5:30 pm

Nonstop1h 54m

Atlanta Hartsfield-Jackson

Sun 7/20

12:43 pm-1:34 pm

Nonstop1h 51m

$126

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 8/14

2:30 pm-11:05 pm

1 stop7h 35m

Atlanta Hartsfield-Jackson

Mon 8/18

6:35 am-1:32 pm

1 stop7h 57m

$133

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 8/13

11:02 am-1:40 pm

Nonstop1h 38m

Atlanta Hartsfield-Jackson

Tue 8/26

9:20 pm-10:02 pm

Nonstop1h 42m

$137

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 8/13

9:45 am-5:15 pm

1 stop6h 30m

Atlanta Hartsfield-Jackson

Tue 8/26

7:15 pm-8:00 pm

Nonstop1h 45m

$147

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 10/1

9:56 am-2:49 pm

1 stop3h 53m

Atlanta Hartsfield-Jackson

Mon 10/6

5:58 pm-11:58 pm

1 stop7h 00m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 60 results
1
2
3
...
6

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, October is the cheapest month in which you can book a flight from Illinois to Alabama (average of $376). Flying from Illinois to Alabama in March is currently the most expensive (average of $457). 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 July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Alabama as you normally would.

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 July 3, 2025.

The most flights from USIL to USAL are scheduled on a Thursday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 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 July 3, 2025.
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.
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Sun Country Air
6.9
Okay
339 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

  • What are the cheapest airlines to fly from Illinois to Alabama one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $39. Spirit Airlines flights start at $48 while deals on Southwest start at $69 one-way.

  • Can I find deals for flights from Illinois to Alabama that include hotel bookings?

    Yes. In addition to deals on Illinois to Alabama flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Alabama?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Alabama.

  • Can I find deals for business class flights from Illinois to Alabama?

    Yes. Cheapflights offers flight deals from Illinois to Alabama by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Alabama?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Alabama (average of $376). Flying from Illinois to Alabama in March is currently the most expensive (average of $457). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Alabama

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to LaGuardia flights
Los Angeles to John F Kennedy Intl flights
Dallas/Fort Worth to Seattle flights
Los Angeles to Seattle flights
John F Kennedy Intl to Los Angeles flights
Los Angeles to Newark flights
John F Kennedy Intl to Las Vegas flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Miami flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to Los Angeles flights
John F Kennedy Intl to O'Hare Intl flights
Dallas/Fort Worth to O'Hare Intl flights
Los Angeles to Honolulu flights
LaGuardia to Fort Lauderdale flights
Dallas/Fort Worth to Los Angeles flights
Newark to Fort Lauderdale flights
Atlanta to John F Kennedy Intl flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to San Francisco flights
John F Kennedy Intl to Orlando flights
Newark to O'Hare Intl flights
Dallas/Fort Worth to Las Vegas flights
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to Seattle flights
San Francisco to Las Vegas flights
San Francisco to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
John F Kennedy Intl to Atlanta flights
John F Kennedy Intl to Dallas/Fort Worth flights
Newark to Seattle flights
John F Kennedy Intl to San Francisco flights
San Francisco to Los Angeles flights
Newark to Miami flights
LaGuardia to Miami flights
Seattle to Dallas/Fort Worth flights
O'Hare Intl to John F Kennedy Intl flights
Ontario to Seattle flights
Seattle to Los Angeles flights
Dallas/Fort Worth to Newark flights
O'Hare Intl to Newark flights
O'Hare Intl to Las Vegas flights
Dallas/Fort Worth to Orlando flights
John F Kennedy Intl to Fort Lauderdale flights
Los Angeles to O'Hare Intl flights
Newark to Orlando flights
O'Hare Intl to Dallas/Fort Worth flights
Los Angeles to Las Vegas flights
Newark to Las Vegas flights
Dallas/Fort Worth to Denver flights

Top 6 airlines flying from Illinois to Alabama

Discover the top 6 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$117Average$187FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$157Average$340FlexibilityNo cancel feeOn-time71%
DeltaCheapest$198Average$400FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$207Average$435FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$214Average$233FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$269Average$402FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.