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$40+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHM
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$78
(Cheapflightsfares)

One-way from

$40
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$378

Good round-trip deal

$285 or less

Good one-way deal

$172 or less
Provider with most accurate pricing for Chicago (CHI)-Birmingham flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Birmingham flights.
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From Illinois to Alabama
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One-way flight from Illinois to Alabama
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Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Illinois to Alabama.
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Price to beat on a one-way flight from Illinois to Alabama.
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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 April 17, 2025.

This FlightHub deal was found by Cheapflights users on 4/17. 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 5/1510:00 amORD - ATL
Nonstop2h 06mSpirit Airlines
Sun 5/187:48 amATL - ORD
Nonstop2h 07mSpirit Airlines
Deal found 4/17$78
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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.
Wed 5/286:40 amMDW - ATL
Nonstop2h 19mFrontier
Tue 6/32:33 pmATL - MDW
Nonstop2h 06mFrontier
Deal found 4/17$78
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 5/86:00 amORD - ATL
Nonstop2h 27mFrontier
Thu 5/89:52 pmATL - ORD
Nonstop2h 19mFrontier
Deal found 4/17$79
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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 5/86:00 amORD - ATL
Nonstop2h 27mMultiple Airlines
Mon 5/127:48 amATL - ORD
Nonstop2h 07mMultiple Airlines
Deal found 4/16$83
This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 5/206:00 amMDW - ATL
Nonstop1h 58mDelta
Tue 5/208:34 pmATL - MDW
Nonstop1h 53mDelta
Deal found 4/16$157
This Delta deal was found by Cheapflights users on 4/16. 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 5/1011:05 amORD - ATL
Nonstop1h 54mDelta
Sat 5/1010:10 pmATL - ORD
Nonstop2h 07mDelta
Deal found 4/16$161
This CheapOair deal was found by Cheapflights users on 4/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/145:05 amORD - PNS
1 stop10h 25mSpirit Airlines
Fri 5/166:14 pmPNS - ORD
1 stop5h 15mSpirit Airlines
Deal found 4/17$165
This Southwest deal was found by Cheapflights users on 4/16. 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.
Sun 5/1810:45 amMDW - PNS
Nonstop2h 15mSouthwest
Sat 5/244:15 pmPNS - MDW
Nonstop2h 10mSouthwest
Deal found 4/16$177
This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 5/279:39 amORD - VPS
1 stop4h 25mDelta
Wed 6/46:00 amVPS - ORD
1 stop4h 03mDelta
Deal found 4/16$177
This Southwest deal was found by Cheapflights users on 4/17. 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 7/238:25 amMDW - ATL
1 stop4h 30mSouthwest
Tue 7/297:35 amATL - MDW
Nonstop1h 55mSouthwest
Deal found 4/17$178
This Delta deal was found by Cheapflights users on 4/16. 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 5/105:00 pmSTL - ATL
Nonstop1h 38mDelta
Sun 5/1110:57 pmATL - STL
Nonstop1h 41mDelta
Deal found 4/16$179
This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/232:27 pmSTL - ATL
1 stop28h 57mFrontier
Sat 6/281:10 pmATL - STL
Nonstop1h 57mFrontier
Deal found 4/16$182

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 April 17, 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 5/15

10:00 am-1:06 pm

Nonstop2h 06m

Atlanta Hartsfield-Jackson

Sun 5/18

7:48 am-8:55 am

Nonstop2h 07m

$78

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Wed 5/28

6:40 am-9:59 am

Nonstop2h 19m

Atlanta Hartsfield-Jackson

Tue 6/3

2:33 pm-3:39 pm

Nonstop2h 06m

$78

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Thu 5/8

5:31 pm-8:53 pm

Nonstop2h 22m

Atlanta Hartsfield-Jackson

Sun 5/11

7:48 am-8:55 am

Nonstop2h 07m

$79

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Thu 5/8

5:31 pm-8:53 pm

Nonstop2h 22m

Atlanta Hartsfield-Jackson

Sat 5/10

12:20 pm-1:41 pm

Nonstop2h 21m

$80

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Tue 5/20

6:00 am-8:58 am

Nonstop1h 58m

Atlanta Hartsfield-Jackson

Tue 5/20

8:34 pm-9:27 pm

Nonstop1h 53m

$157

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 5/10

11:05 am-1:59 pm

Nonstop1h 54m

Atlanta Hartsfield-Jackson

Sat 5/10

10:10 pm-11:17 pm

Nonstop2h 07m

$161

ChicagoPensacola

ORD - PNS

ORDPNS

Chicago O'Hare Intl

Wed 5/14

5:05 am-3:30 pm

1 stop10h 25m

Pensacola

Fri 5/16

6:14 pm-11:29 pm

1 stop5h 15m

$165

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Tue 5/20

9:00 am-1:55 pm

1 stop3h 55m

Atlanta Hartsfield-Jackson

Wed 5/21

4:10 pm-5:05 pm

Nonstop1h 55m

$170

ChicagoPensacola

MDW - PNS

MDWPNS

Chicago Midway

Sun 5/18

10:45 am-1:00 pm

Nonstop2h 15m

Pensacola

Sat 5/24

4:15 pm-6:25 pm

Nonstop2h 10m

$177

ChicagoValparaiso

ORD - VPS

ORDVPS

Chicago O'Hare Intl

Tue 5/27

9:39 am-2:04 pm

1 stop4h 25m

Valparaiso Destin-Ft Walton Beach

Wed 6/4

6:00 am-10:03 am

1 stop4h 03m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 60 results
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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 June is currently the most expensive (average of $460). 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 April 17, 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 April 17, 2025.

The most flights from USIL to USAL are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, 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 April 17, 2025.
To help decide which airline to fly from Illinois to Alabama, see what other customers have to say about Southwest, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,917 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,667 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
349 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 Spirit Airlines, which is currently one of the cheapest options available, starting at $40. Frontier flights start at $41 while deals on Delta start at $79 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 June is currently the most expensive (average of $460). 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

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Alternative routes for Illinois to Alabama

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Illinois to Alabama

Discover the top 5 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$157Average$356FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$187Average$419FlexibilityNo cancel feeOn-time69%
DeltaCheapest$198Average$415FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$214Average$233FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$275Average$396FlexibilityNo cancel feeOn-time63%

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