HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Alabama

$41+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHM
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$78
(Frontier)

One-way from

$41
(Frontier)

Popular in

February

Cheapest in

September

Average price

$378

Good round-trip deal

$199 or less

Good one-way deal

$158 or less
Provider with most accurate pricing for Chicago (CHI)-Birmingham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Birmingham flights.
Search Deals
From Illinois to Alabama
Search Deals
One-way flight from Illinois to Alabama
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($17 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 May 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 May 1, 2025.

This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2210:00 amORD - ATL
Nonstop2h 06mSpirit Airlines
Thu 5/298:45 amATL - ORD
1 stop6h 21mSpirit Airlines
Deal found 4/30$78
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:20 amMDW - ATL
Nonstop2h 05mFrontier
Wed 8/139:37 amATL - MDW
Nonstop2h 03mFrontier
Deal found 4/30$78
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/145:01 amORD - ATL
Nonstop2h 06mFrontier
Tue 6/179:02 amATL - ORD
Nonstop2h 20mFrontier
Deal found 4/30$79
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:00 amORD - ATL
Nonstop2h 27mMultiple Airlines
Fri 5/167:48 amATL - ORD
Nonstop2h 07mMultiple Airlines
Deal found 5/1$80
This Delta deal was found by Cheapflights users on 4/29. 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 8/201:05 pmMDW - ATL
Nonstop2h 04mDelta
Sat 8/238:50 pmATL - MDW
Nonstop1h 57mDelta
Deal found 4/29$159
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/237:59 pmORD - ATL
Nonstop2h 12mDelta
Tue 5/277:25 amATL - ORD
Nonstop2h 04mDelta
Deal found 4/30$161
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/135:05 amORD - PNS
1 stop10h 25mSpirit Airlines
Sat 5/176:14 pmPNS - ORD
1 stop5h 15mSpirit Airlines
Deal found 4/29$166
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/41:25 pmMDW - ATL
1 stop5h 30mSouthwest
Mon 7/77:00 amATL - MDW
Nonstop1h 55mSouthwest
Deal found 4/30$171
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/1310:40 amORD - PNS
Nonstop2h 28mUnited Airlines
Sat 5/172:05 pmPNS - ORD
Nonstop2h 41mUnited Airlines
Deal found 4/29$177
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/117:43 amORD - VPS
Nonstop2h 16mAmerican Airlines
Fri 6/207:30 pmVPS - ORD
1 stop5h 29mAmerican Airlines
Deal found 4/29$178
This Southwest deal was found by Cheapflights users on 4/29. 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.
Tue 5/136:45 amMDW - PNS
1 stop4h 00mSouthwest
Sat 5/174:15 pmPNS - MDW
Nonstop2h 10mSouthwest
Deal found 4/29$187
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/74:15 pmMDW - PNS
1 stop5h 21mDelta
Mon 6/164:07 pmPNS - MDW
1 stop5h 38mDelta
Deal found 4/30$197

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 May 1, 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

ORD - ATL

ORDATL

Chicago O'Hare Intl

Thu 5/22

10:00 am-1:06 pm

Nonstop2h 06m

Atlanta Hartsfield-Jackson

Thu 5/29

8:45 am-2:06 pm

1 stop6h 21m

$78

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Sat 8/9

6:20 am-9:25 am

Nonstop2h 05m

Atlanta Hartsfield-Jackson

Tue 8/12

9:37 am-10:40 am

Nonstop2h 03m

$78

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 6/14

5:01 am-8:07 am

Nonstop2h 06m

Atlanta Hartsfield-Jackson

Tue 6/17

9:02 am-10:22 am

Nonstop2h 20m

$79

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Thu 5/15

6:00 am-9:27 am

Nonstop2h 27m

Atlanta Hartsfield-Jackson

Fri 5/16

7:48 am-8:55 am

Nonstop2h 07m

$80

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Wed 8/20

1:05 pm-4:09 pm

Nonstop2h 04m

Atlanta Hartsfield-Jackson

Sat 8/23

8:50 pm-9:47 pm

Nonstop1h 57m

$159

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Fri 5/23

7:59 pm-11:11 pm

Nonstop2h 12m

Atlanta Hartsfield-Jackson

Tue 5/27

7:25 am-8:29 am

Nonstop2h 04m

$161

ChicagoPensacola

ORD - PNS

ORDPNS

Chicago O'Hare Intl

Tue 5/13

5:05 am-3:30 pm

1 stop10h 25m

Pensacola

Sat 5/17

6:14 pm-11:29 pm

1 stop5h 15m

$166

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Fri 7/4

1:25 pm-7:55 pm

1 stop5h 30m

Atlanta Hartsfield-Jackson

Mon 7/7

7:00 am-7:55 am

Nonstop1h 55m

$171

ChicagoPensacola

ORD - PNS

ORDPNS

Chicago O'Hare Intl

Tue 5/13

10:40 am-1:08 pm

Nonstop2h 28m

Pensacola

Sat 5/17

2:05 pm-4:46 pm

Nonstop2h 41m

$177

ChicagoValparaiso

ORD - VPS

ORDVPS

Chicago O'Hare Intl

Wed 6/11

7:43 am-9:59 am

Nonstop2h 16m

Valparaiso Destin-Ft Walton Beach

Fri 6/20

7:30 pm-12:59 am

1 stop5h 29m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May 1, 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 May 1, 2025.

The most flights from USIL to USAL are scheduled on a Monday (10 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Alabama by month

Plan your trip to Alabama by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Alabama ranges from 3.4 - 5.2 inches per month. March is typically the wettest month, when rainfall can reach 5.2 in. October is typically the driest time to visit Alabama when rainfall is around 3.4 in.

Temperature in Alabama by month

Plan your trip to Alabama by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Alabama, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 44.6 F).

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 May 1, 2025.
To help decide which airline to fly from Illinois to Alabama, see what other customers have to say about Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $41. Spirit Airlines flights start at $42 while deals on Delta start at $80 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.
Los Angeles to John F Kennedy Intl flights
Newark to Fort Lauderdale flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Los Angeles flights
Newark to Miami flights
Newark to Orlando flights
John F Kennedy Intl to Miami flights
Newark to Las Vegas flights
Dallas/Fort Worth to O'Hare Intl flights
Dallas/Fort Worth to LaGuardia flights
LaGuardia to Miami flights
Los Angeles to Seattle flights
LaGuardia to O'Hare Intl flights
Dallas/Fort Worth to Seattle flights
Seattle to Los Angeles flights
San Francisco to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
John F Kennedy Intl to San Francisco flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
Dallas/Fort Worth to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to John F Kennedy Intl flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to Seattle flights
Los Angeles to Dallas/Fort Worth flights
Newark to Seattle flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Orlando flights
John F Kennedy Intl to Fort Lauderdale flights
Los Angeles to Newark flights
Newark to Dallas/Fort Worth flights
Newark to San Francisco flights
John F Kennedy Intl to O'Hare Intl flights
LaGuardia to Atlanta flights
Dallas/Fort Worth to Newark flights
Los Angeles to LaGuardia flights
O'Hare Intl to John F Kennedy Intl flights
Seattle to Dallas/Fort Worth flights
John F Kennedy Intl to Atlanta flights
San Francisco to Newark flights
Dallas/Fort Worth to Las Vegas flights
Los Angeles to Honolulu flights
Newark to Los Angeles flights
John F Kennedy Intl to Hobby flights
Newark to O'Hare Intl flights
Ontario to John F Kennedy Intl flights
San Francisco to Seattle flights
LaGuardia to Los Angeles flights
San Francisco to Los Angeles 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$157Average$360FlexibilityNo cancel feeOn-time71%
Allegiant AirCheapest$160Average$199FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$196Average$419FlexibilityNo cancel feeOn-time69%
DeltaCheapest$198Average$409FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$214Average$233FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$269Average$419FlexibilityNo 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.