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Illinois

$38+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$77
(Kiwi.com)

One-way from

$38
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$419

Good round-trip deal

$341 or less

Good one-way deal

$148 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. 2% potential increase in price ($11 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 March 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 March 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/309:04 amATL - MDW
Nonstop2h 01mFrontier
Wed 5/72:12 pmMDW - ATL
Nonstop2h 06mFrontier
Deal found 3/31$77
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/299:29 amATL - ORD
Nonstop2h 16mFrontier
Tue 5/65:48 pmORD - ATL
Nonstop2h 21mFrontier
Deal found 3/30$77
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/133:16 pmATL - ORD
Nonstop2h 25mMultiple Airlines
Fri 5/1610:00 amORD - ATL
Nonstop2h 06mMultiple Airlines
Deal found 3/30$95
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 5/87:48 amATL - ORD
Nonstop2h 07mSpirit Airlines
Thu 5/810:00 amORD - ATL
Nonstop2h 06mSpirit Airlines
Deal found 3/31$110
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 6/37:25 amATL - ORD
Nonstop2h 04mDelta
Wed 6/115:45 amORD - ATL
Nonstop1h 57mDelta
Deal found 3/30$159
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/255:57 pmPNS - ORD
1 stop7h 01mSpirit Airlines
Mon 4/288:45 amORD - PNS
1 stop6h 19mSpirit Airlines
Deal found 3/30$161
This Delta deal was found by Cheapflights users on 3/30. 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 5/35:05 pmATL - MDW
Nonstop1h 54mDelta
Sun 5/46:04 amMDW - ATL
Nonstop1h 56mDelta
Deal found 3/30$164
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/276:45 amATL - ORD
Nonstop2h 16mUnited Airlines
Sun 5/46:05 pmORD - ATL
Nonstop2h 10mUnited Airlines
Deal found 3/30$171
This American Airlines deal was found by Cheapflights users on 3/29. 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 5/76:55 amMGM - ORD
1 stop8h 34mAmerican Airlines
Sat 5/245:00 amORD - MGM
1 stop7h 18mAmerican Airlines
Deal found 3/29$186
This Southwest deal was found by Cheapflights users on 3/30. 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.
Wed 5/218:40 amATL - MDW
1 stop6h 00mSouthwest
Wed 5/286:25 amMDW - ATL
1 stop3h 30mSouthwest
Deal found 3/30$194
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2910:29 amHSV - ORD
Nonstop2h 11mAmerican Airlines
Sun 8/318:05 amORD - HSV
Nonstop1h 53mAmerican Airlines
Deal found 3/30$209
This Delta deal was found by Cheapflights users on 3/30. 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 5/37:35 amCHA - ORD
1 stop6h 04mDelta
Tue 5/611:15 amORD - CHA
1 stop6h 29mDelta
Deal found 3/30$209

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 March 31, 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 - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Wed 4/30

9:04 am-10:05 am

Nonstop2h 01m

Chicago Midway

Wed 5/7

2:12 pm-5:18 pm

Nonstop2h 06m

$77

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 4/29

9:29 am-10:45 am

Nonstop2h 16m

Chicago O'Hare Intl

Tue 5/6

5:48 pm-9:09 pm

Nonstop2h 21m

$77

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 5/13

3:16 pm-4:41 pm

Nonstop2h 25m

Chicago O'Hare Intl

Fri 5/16

10:00 am-1:06 pm

Nonstop2h 06m

$95

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Thu 5/29

7:48 am-8:55 am

Nonstop2h 07m

Chicago O'Hare Intl

Thu 6/5

10:00 am-1:06 pm

Nonstop2h 06m

$113

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 6/3

9:00 am-10:03 am

Nonstop2h 03m

Chicago O'Hare Intl

Tue 6/10

5:45 am-8:42 am

Nonstop1h 57m

$159

PensacolaChicago

PNS - ORD

PNSORD

Pensacola

Fri 4/25

5:57 pm-12:58 am

1 stop7h 01m

Chicago O'Hare Intl

Mon 4/28

8:45 am-3:04 pm

1 stop6h 19m

$161

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Sat 5/3

5:05 pm-5:59 pm

Nonstop1h 54m

Chicago Midway

Sun 5/4

6:04 am-9:00 am

Nonstop1h 56m

$164

MontgomeryChicago

MGM - ORD

MGMORD

Montgomery Dannelly Field

Wed 5/7

12:49 pm-8:24 pm

1 stop7h 35m

Chicago O'Hare Intl

Sat 5/24

7:00 am-12:00 pm

1 stop5h 00m

$186

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Wed 5/21

8:40 am-1:40 pm

1 stop6h 00m

Chicago Midway

Wed 5/28

6:25 am-10:55 am

1 stop3h 30m

$194

HuntsvilleChicago

HSV - ORD

HSVORD

Huntsville

Fri 8/29

10:29 am-12:40 pm

Nonstop2h 11m

Chicago O'Hare Intl

Sun 8/31

8:05 am-9:58 am

Nonstop1h 53m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 $323). 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 March 31, 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 March 31, 2025.

The most flights from USAL to USIL are scheduled on a Monday (14 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 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 March 31, 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
9,818 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 ($38), Spirit Airlines ($54), and American Airlines ($79).

  • 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 $323). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$148Average$376FlexibilityNo cancel feeOn-time71%
DeltaCheapest$167Average$460FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$185Average$363FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$278Average$370FlexibilityNo cancel feeOn-time63%
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