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Illinois

$48+ Cheap flights from Alabama to Illinois

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
Jun 22 — Jun 291
Sun 6/22
Sun 6/29
1 adult, Economy
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Cheap flight deals from Alabama to Illinois

Keep the following information in mind while searching for Alabama to Illinois flight deals. Data was last updated June 17, 2025.

Round-trip from

$91
(Kiwi.com)

One-way from

$48
(FlightHub)

Popular in

March

Cheapest in

September

Average price

$362

Good round-trip deal

$120 or less

Good one-way deal

$198 or less
From Alabama to Illinois
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One-way flight from Alabama to Illinois
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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 June 2025
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Price to beat on a round-trip flight from Alabama to Illinois.
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Price to beat on a one-way flight from Alabama to Illinois.
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Find flight deals from Alabama to Illinois

Cheapest flights from Alabama to Illinois
Explore the most affordable flight options available from Alabama to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/206:00 amATL - ORD
Nonstop2h 04mSpirit Airlines
Tue 7/226:02 pmORD - ATL
Nonstop2h 06mSpirit Airlines
Deal found 6/17$91
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/99:37 amATL - MDW
Nonstop2h 03mFrontier
Sat 7/196:20 amMDW - ATL
Nonstop2h 05mFrontier
Deal found 6/16$97
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 10/29:20 amATL - STL
Nonstop1h 47mFrontier
Sun 10/511:02 amSTL - ATL
Nonstop1h 40mFrontier
Deal found 6/15$125
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Fri 7/1110:58 pmATL - ORD
Nonstop2h 24mMultiple Airlines
Wed 7/166:02 pmORD - ATL
Nonstop2h 06mMultiple Airlines
Deal found 6/15$129
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 10/210:23 pmATL - STL
1 stop10h 26mSpirit Airlines
Sun 10/58:44 amSTL - ATL
1 stop4h 38mSpirit Airlines
Deal found 6/15$132
This Delta deal was found by Cheapflights users on 6/15. 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 9/307:25 amATL - STL
Nonstop1h 45mDelta
Tue 10/2810:45 amSTL - ATL
Nonstop1h 37mDelta
Deal found 6/15$137
This Delta deal was found by Cheapflights users on 6/15. 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 8/306:00 pmATL - ORD
Nonstop2h 19mDelta
Tue 9/25:45 amORD - ATL
Nonstop1h 54mDelta
Deal found 6/15$137
This FlightHub deal was found by Cheapflights users on 6/15. 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 7/105:45 amATL - STL
1 stop5h 07mMultiple Airlines
Sat 7/122:52 pmSTL - ATL
Nonstop1h 54mMultiple Airlines
Deal found 6/15$138
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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.
Fri 8/110:58 pmATL - ORD
Nonstop2h 24mFrontier
Sun 8/35:01 amORD - ATL
Nonstop2h 11mFrontier
Deal found 6/15$140
This Southwest deal was found by Cheapflights users on 6/16. 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.
Mon 8/43:40 pmATL - MDW
1 stop4h 45mSouthwest
Wed 8/610:05 amMDW - ATL
Nonstop1h 55mSouthwest
Deal found 6/16$158
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/98:51 amATL - MDW
Nonstop1h 54mDelta
Tue 7/156:00 amMDW - ATL
Nonstop1h 57mDelta
Deal found 6/17$171
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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.
Mon 7/78:26 pmPNS - ORD
1 stop12h 24mSpirit Airlines
Wed 7/94:36 pmORD - PNS
1 stop6h 05mSpirit Airlines
Deal found 6/16$171

Cheapflights Fare Finder

Customize your flight search to find flights from Alabama to Illinois 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 June 17, 2025.
Use the filters below to find and compare flights from Alabama to Illinois that are best for you.

Fly from

Alabama

Fly to

Illinois

Route

Depart

Return

Price

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sun 7/20

6:00 am-7:04 am

Nonstop2h 04m

Chicago O'Hare Intl

Tue 7/22

6:02 pm-9:08 pm

Nonstop2h 06m

$91

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Wed 7/9

9:37 am-10:40 am

Nonstop2h 03m

Chicago Midway

Sat 7/19

6:20 am-9:25 am

Nonstop2h 05m

$97

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Fri 7/18

10:58 pm-12:22 am

Nonstop2h 24m

Chicago O'Hare Intl

Sat 7/19

6:02 pm-9:08 pm

Nonstop2h 06m

$124

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 10/2

9:20 am-10:07 am

Nonstop1h 47m

Lambert-St Louis

Sun 10/5

11:02 am-1:42 pm

Nonstop1h 40m

$125

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 10/2

10:23 pm-7:49 am

1 stop10h 26m

Lambert-St Louis

Sun 10/5

8:44 am-2:22 pm

1 stop4h 38m

$132

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Tue 9/30

7:25 am-8:10 am

Nonstop1h 45m

Lambert-St Louis

Tue 10/28

10:45 am-1:22 pm

Nonstop1h 37m

$137

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 8/30

6:00 pm-7:19 pm

Nonstop2h 19m

Chicago O'Hare Intl

Tue 9/2

5:45 am-8:39 am

Nonstop1h 54m

$137

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 7/10

5:45 am-9:52 am

1 stop5h 07m

Lambert-St Louis

Sat 7/12

2:52 pm-5:46 pm

Nonstop1h 54m

$138

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Fri 8/1

10:58 pm-12:22 am

Nonstop2h 24m

Chicago O'Hare Intl

Sun 8/3

5:01 am-8:12 am

Nonstop2h 11m

$140

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Mon 8/4

3:40 pm-7:25 pm

1 stop4h 45m

Chicago Midway

Wed 8/6

10:05 am-1:00 pm

Nonstop1h 55m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 60 results
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Best time to book a flight from Alabama to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Alabama 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 Alabama to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Alabama to Illinois (average of $245). Flying from Alabama to Illinois in March is currently the most expensive (average of $321). 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 AL to IL?

Find hourly flight availability from Alabama to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 17, 2025.

When flying from Alabama to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Alabama to Illinois

Explore weekly flight availability from Alabama to Illinois. 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 June 17, 2025.

The most flights from USAL to USIL are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated June 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Alabama to Illinois to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

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
4,279 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

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
7,965 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

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
8,809 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

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
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

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 Alabama to Illinois. 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 Alabama to Illinois one-way?

    The cheapest airlines for a one-way flight from Alabama to Illinois are Spirit Airlines ($48), Frontier ($58), and Southwest ($69).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Alabama to Illinois 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 Alabama to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Alabama to Illinois (average of $245). Flying from Alabama to Illinois in March is currently the most expensive (average of $321). 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

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Alternative routes for Alabama to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Alabama to Illinois

Discover the top 4 airlines that operate flights from Alabama to Illinois. 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 June 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$131Average$441FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$148Average$342FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$193Average$376FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$278Average$370FlexibilityNo cancel feeOn-time63%

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