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$59+ Cheap flights from Illinois to Birmingham, AL (BHM)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHM
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Illinois to Birmingham

Keep the following information in mind while searching for Illinois to Birmingham flight deals. Data was last updated September 11, 2025.

Round-trip from

$117
(United Airlines)

One-way from

$59
(United Airlines)

Popular in

August

Cheapest in

July

Average price

$349

Good round-trip deal

$199 or less

Good one-way deal

$160 or less
From Illinois to Birmingham
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One-way flight from Illinois to Birmingham
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Birmingham.
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Price to beat on a one-way flight from Illinois to Birmingham.
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Find flight deals from Illinois to Birmingham

Cheapest flights from Illinois to Birmingham
Explore the most affordable flight options available from Illinois to Birmingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/182:30 pmORD - BHM
Nonstop2h 04mUnited Airlines
Tue 10/217:30 amBHM - ORD
Nonstop2h 24mUnited Airlines
Deal found 9/9$117
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/68:10 amORD - BHM
Nonstop1h 56mAmerican Airlines
Sat 10/1110:41 amBHM - ORD
Nonstop2h 18mAmerican Airlines
Deal found 9/9$133
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/24:50 pmORD - BHM
Nonstop2h 01mUnited Airlines
Mon 10/61:40 pmBHM - ORD
Nonstop2h 21mUnited Airlines
Deal found 9/10$149
This Southwest deal was found by Cheapflights users on 9/10. 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 11/124:25 pmSTL - BHM
1 stop5h 45mSouthwest
Tue 11/183:35 pmBHM - STL
1 stop6h 25mSouthwest
Deal found 9/10$154
This Southwest deal was found by Cheapflights users on 9/11. 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 10/57:55 amMDW - BHM
Nonstop1h 40mSouthwest
Wed 10/83:15 pmBHM - MDW
Nonstop1h 50mSouthwest
Deal found 9/11$157
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/3010:55 amORD - BHM
Nonstop2h 00mUnited Airlines
Wed 10/17:30 amBHM - ORD
Nonstop2h 24mUnited Airlines
Deal found 9/10$158
This Southwest deal was found by Cheapflights users on 9/10. 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 10/86:00 pmMDW - BHM
Nonstop1h 40mSouthwest
Wed 10/153:15 pmBHM - MDW
Nonstop1h 50mSouthwest
Deal found 9/10$165
This Southwest deal was found by Cheapflights users on 9/9. 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.
Sat 11/81:55 pmSTL - BHM
1 stop6h 35mSouthwest
Wed 11/125:35 amBHM - STL
1 stop4h 35mSouthwest
Deal found 9/9$182
This Southwest deal was found by Cheapflights users on 9/10. 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 10/73:25 pmSTL - BHM
1 stop4h 40mSouthwest
Tue 10/1411:10 amBHM - STL
2 stops7h 55mSouthwest
Deal found 9/10$184
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/1410:55 amORD - BHM
Nonstop2h 00mUnited Airlines
Wed 10/156:00 pmBHM - ORD
Nonstop2h 25mUnited Airlines
Deal found 9/10$187
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/142:00 pmORD - BHM
Nonstop1h 51mAmerican Airlines
Wed 10/155:00 pmBHM - ORD
Nonstop2h 25mAmerican Airlines
Deal found 9/9$194
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/67:53 pmORD - BHM
Nonstop2h 07mUnited Airlines
Thu 10/97:30 amBHM - ORD
Nonstop2h 24mUnited Airlines
Deal found 9/9$195

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Birmingham 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 September 11, 2025.
Use the filters below to find and compare flights from Illinois to Birmingham that are best for you.

Fly from

Illinois

Fly to

Birmingham

Route

Depart

Return

Price

ChicagoBirmingham

ORD - BHM

ORDBHM

Chicago O'Hare Intl

Thu 10/23

4:50 pm-6:51 pm

Nonstop2h 01m

Birmingham

Sun 10/26

7:31 am-9:49 am

Nonstop2h 18m

$149

ChicagoBirmingham

ORD - BHM

ORDBHM

Chicago O'Hare Intl

Thu 11/6

7:54 pm-9:59 pm

Nonstop2h 05m

Birmingham

Mon 11/10

7:31 am-9:49 am

Nonstop2h 18m

$149

St. LouisBirmingham

STL - BHM

STLBHM

Lambert-St Louis

Wed 10/8

2:55 pm-9:45 pm

1 stop6h 50m

Birmingham

Tue 10/14

3:15 pm-7:10 pm

1 stop3h 55m

$154

St. LouisBirmingham

STL - BHM

STLBHM

Lambert-St Louis

Wed 11/12

4:25 pm-10:10 pm

1 stop5h 45m

Birmingham

Tue 11/18

3:35 pm-10:00 pm

1 stop6h 25m

$154

St. LouisBirmingham

STL - BHM

STLBHM

Lambert-St Louis

Tue 10/7

3:25 pm-8:05 pm

1 stop4h 40m

Birmingham

Tue 10/14

3:15 pm-7:10 pm

1 stop3h 55m

$154

ChicagoBirmingham

MDW - BHM

MDWBHM

Chicago Midway

Sun 10/5

7:55 am-9:35 am

Nonstop1h 40m

Birmingham

Wed 10/8

3:15 pm-5:05 pm

Nonstop1h 50m

$157

St. LouisBirmingham

STL - BHM

STLBHM

Lambert-St Louis

Sat 11/8

1:55 pm-8:30 pm

1 stop6h 35m

Birmingham

Wed 11/12

5:35 am-10:10 am

1 stop4h 35m

$182

ChicagoBirmingham

MDW - BHM

MDWBHM

Chicago Midway

Wed 10/8

5:35 am-10:15 am

1 stop4h 40m

Birmingham

Wed 10/15

1:50 pm-6:30 pm

1 stop4h 40m

$185

ChicagoBirmingham

ORD - BHM

ORDBHM

Chicago O'Hare Intl

Sat 10/18

10:30 am-5:19 pm

1 stop6h 49m

Birmingham

Mon 10/20

7:33 pm-11:58 pm

1 stop4h 25m

$197

ChicagoBirmingham

ORD - BHM

ORDBHM

Chicago O'Hare Intl

Sat 10/18

6:10 pm-10:34 pm

1 stop4h 24m

Birmingham

Tue 10/21

10:27 am-4:11 pm

1 stop5h 44m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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

Have a flexible travel schedule? Discover the best time to fly to Birmingham 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 Birmingham

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

Currently, August is the cheapest month in which you can book a flight from Illinois to Birmingham, Alabama (average of $363). Flying from Illinois to Birmingham, 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 BHM?

Find hourly flight availability from Illinois to Birmingham. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Illinois to Birmingham, Alabama, 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 Illinois to Birmingham, Alabama

Explore weekly flight availability from Illinois to Birmingham. 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 September 11, 2025.

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

How much does it cost to fly round-trip from Illinois to Birmingham, Alabama?

Related info for your journey

Find useful and relevant information for your journey from Illinois to Birmingham. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Birmingham from Illinois?

    Birmingham (BHM), located 4.3 mi from the city center, is the airport you fly into when you book flights from Illinois to Birmingham.

  • How long is the flight from Illinois to Birmingham, Alabama?

    Departing from Illinois to Birmingham, Alabama will take you 2h 01m. Airlines will cover a distance of 585 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Illinois to Birmingham, Alabama?

    Most travelers choose Chicago O'Hare Intl - Birmingham, Chicago Midway - Birmingham or Lambert-St Louis - Birmingham when deciding on the best route from Illinois to Birmingham, Alabama.

  • What are the most reliable airlines from Illinois to Birmingham, Alabama?

    Consider Republic Airways (94%), Alaska Airlines (87%) or American Airlines (86%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Birmingham, Alabama.

  • What are the cheapest flights from Illinois to Birmingham, Alabama?

    Looking for the cheapest flight from Illinois to Birmingham, Alabama? While on average our users pay $306, our data indicates the cheapest price to be $125. The most popular route (Chicago O'Hare Intl - Birmingham), is priced around $133.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Illinois to Birmingham, Alabama (average of $363). Flying from Illinois to Birmingham, 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

Traveling to a place near Birmingham?

Book flights to Birmingham if you plan to visit one of these locations
Homewood
Bessemer
Hoover

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Alternative routes for Illinois to Birmingham

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Top 5 airlines flying from Illinois to Birmingham

Discover the top 5 airlines that operate flights from Illinois to Birmingham. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$195Average$324FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$214Average$233FlexibilityNo cancel feeOn-time65%
DeltaCheapest$232Average$288FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$275Average$425FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$281Average$513FlexibilityNo cancel feeOn-time69%

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