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Illinois

$43+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$65
(Frontier)

One-way from

$44
(Cheapflightsfares)

Popular in

November

Cheapest in

September

Average price

$357

Good round-trip deal

$319 or less

Good one-way deal

$174 or less
Provider with most accurate pricing for Birmingham-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Birmingham-Chicago (CHI) flights.
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From Alabama to Illinois
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One-way flight from Alabama to Illinois
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Trip.com deal was found by Cheapflights users on 2/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/266:05 amATL - MDW
Nonstop2h 02mFrontier
Wed 3/58:12 amMDW - ATL
Nonstop2h 06mFrontier
Deal found 2/20$64
This Frontier deal was found by Cheapflights users on 2/20. 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.
Fri 5/169:52 pmATL - ORD
Nonstop2h 19mFrontier
Mon 5/196:20 amORD - ATL
Nonstop2h 20mFrontier
Deal found 2/20$65
This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 3/198:05 amATL - ORD
1 stop11h 51mSpirit Airlines
Mon 3/249:01 pmORD - ATL
1 stop11h 00mSpirit Airlines
Deal found 2/19$69
This Priceline deal was found by Cheapflights users on 2/19. 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.
Thu 4/244:14 pmATL - ORD
1 stop9h 27mMultiple Airlines
Sun 4/276:30 amORD - ATL
Nonstop2h 13mMultiple Airlines
Deal found 2/19$72
This FlightHub deal was found by Cheapflights users on 2/18. 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 3/2011:32 amPNS - ORD
Nonstop2h 36mSpirit Airlines
Thu 3/278:14 amORD - PNS
Nonstop2h 23mSpirit Airlines
Deal found 2/18$96
This United Airlines deal was found by Cheapflights users on 2/18. 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 4/17:30 amHSV - ORD
Nonstop2h 09mUnited Airlines
Tue 4/811:05 amORD - HSV
Nonstop1h 55mUnited Airlines
Deal found 2/18$157
This Delta deal was found by Cheapflights users on 2/18. 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 4/11:59 pmHSV - ORD
1 stop6h 45mDelta
Tue 4/85:45 amORD - HSV
1 stop4h 46mDelta
Deal found 2/18$177
This Southwest deal was found by Cheapflights users on 2/20. 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 4/306:40 pmATL - MDW
Nonstop1h 55mSouthwest
Tue 5/61:30 pmMDW - ATL
2 stops5h 55mSouthwest
Deal found 2/20$180
This Delta deal was found by Cheapflights users on 2/20. 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 10/254:30 pmCHA - ORD
1 stop5h 51mDelta
Sat 11/88:55 amORD - CHA
1 stop4h 37mDelta
Deal found 2/20$189
This KAYAK deal was found by Cheapflights users on 2/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/129:25 pmATL - MDW
Nonstop1h 58mDelta
Fri 3/146:00 amMDW - ATL
Nonstop1h 58mDelta
Deal found 2/20$194
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 8/286:17 amATL - ORD
Nonstop2h 08mAmerican Airlines
Sat 8/306:25 pmORD - ATL
Nonstop1h 55mAmerican Airlines
Deal found 2/20$198
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 3/57:00 amCHA - ORD
Nonstop2h 04mUnited Airlines
Sat 3/89:00 amORD - CHA
Nonstop1h 36mUnited Airlines
Deal found 2/20$200

Find flights from Alabama to Illinois within your budget

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 February 20, 2025.

Fly from

Alabama

Fly to

Illinois

Route

Depart

Return

Price

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Thu 4/3

7:34 am-8:44 am

Nonstop2h 10m

Chicago O'Hare Intl

Sun 4/6

8:00 am-11:17 am

Nonstop2h 17m

$64

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Fri 5/16

9:52 pm-11:11 pm

Nonstop2h 19m

Chicago O'Hare Intl

Mon 5/19

6:20 am-9:40 am

Nonstop2h 20m

$66

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 3/26

4:42 pm-1:38 am

1 stop9h 56m

Chicago O'Hare Intl

Sat 3/29

7:45 pm-10:45 pm

Nonstop2h 00m

$67

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Wed 3/5

6:05 am-7:07 am

Nonstop2h 02m

Chicago Midway

Wed 3/12

5:58 pm-9:13 pm

Nonstop2h 15m

$67

PensacolaChicago

PNS - ORD

PNSORD

Pensacola

Thu 3/20

11:32 am-2:08 pm

Nonstop2h 36m

Chicago O'Hare Intl

Thu 3/27

8:14 am-10:37 am

Nonstop2h 23m

$96

HuntsvilleChicago

HSV - ORD

HSVORD

Huntsville

Tue 4/1

7:30 am-9:39 am

Nonstop2h 09m

Chicago O'Hare Intl

Tue 4/8

11:05 am-1:00 pm

Nonstop1h 55m

$157

HuntsvilleChicago

HSV - ORD

HSVORD

Huntsville

Tue 4/1

1:59 pm-8:44 pm

1 stop6h 45m

Chicago O'Hare Intl

Tue 4/8

5:45 am-10:31 am

1 stop4h 46m

$177

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Wed 4/30

6:40 pm-7:35 pm

Nonstop1h 55m

Chicago Midway

Tue 5/6

1:30 pm-8:25 pm

2 stops5h 55m

$180

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Wed 3/12

5:35 pm-8:44 pm

1 stop4h 09m

Chicago O'Hare Intl

Tue 3/18

5:45 am-10:53 am

1 stop4h 08m

$189

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Wed 3/12

9:25 pm-10:23 pm

Nonstop1h 58m

Chicago Midway

Fri 3/14

6:00 am-8:58 am

Nonstop1h 58m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Alabama to Illinois

Get recent, data-driven insights about flights from Alabama to Illinois including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.

The most flights from USAL to USIL are scheduled on a Tuesday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 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 February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Sun Country Air
7.0
Good
374 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Frontier ($44), Spirit Airlines ($45), and Southwest ($80).

  • 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$131Average$432FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$148Average$379FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$185Average$371FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$278Average$370FlexibilityNo cancel feeOn-time63%
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