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$88+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHM
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap 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 February 5, 2026.

This United Airlines deal was found by Cheapflights users on 2/1. 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 5/164:20 pm
ORD
-
BHM
Nonstop2h 05m
United Airlines
Tue 5/198:40 am
BHM
-
ORD
Nonstop2h 24m
United Airlines
Deal found 2/1$253
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 5/169:15 am
ORD
-
BHM
Nonstop2h 03m
American Airlines
Tue 5/195:55 pm
BHM
-
ORD
1 stop5h 59m
American Airlines
Deal found 2/1$263
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Fri 4/173:20 pm
MLI
-
BHM
1 stop6h 39m
United Airlines
Wed 4/226:10 pm
BHM
-
MLI
1 stop4h 35m
United Airlines
Deal found 2/4$269
This American Airlines deal was found by Cheapflights users on 2/3. 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 3/102:02 pm
MLI
-
BHM
2 stops9h 57m
American Airlines
Tue 3/177:02 am
BHM
-
MLI
1 stop6h 19m
American Airlines
Deal found 2/3$274
This United Airlines deal was found by Cheapflights users on 2/3. 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 2/181:25 pm
PIA
-
BHM
1 stop4h 58m
United Airlines
Sun 2/227:27 am
BHM
-
PIA
1 stop5h 16m
United Airlines
Deal found 2/3$279
This American Airlines deal was found by Cheapflights users on 2/4. 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 2/2011:31 am
BMI
-
BHM
1 stop5h 24m
American Airlines
Tue 2/247:02 am
BHM
-
BMI
1 stop3h 59m
American Airlines
Deal found 2/4$279
This American Airlines deal was found by Cheapflights users on 2/3. 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 3/32:02 pm
MLI
-
BHM
2 stops9h 57m
American Airlines
Tue 3/107:00 am
BHM
-
MLI
2 stops11h 35m
American Airlines
Deal found 2/3$279
This Southwest deal was found by Cheapflights users on 2/1. 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 3/72:30 pm
MDW
-
BHM
Nonstop1h 40m
Southwest
Mon 3/99:45 am
BHM
-
MDW
Nonstop1h 50m
Southwest
Deal found 2/1$284
This Southwest deal was found by Cheapflights users on 2/3. 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 4/225:30 am
MDW
-
BHM
1 stop5h 10m
Southwest
Thu 4/3010:00 am
BHM
-
MDW
Nonstop1h 50m
Southwest
Deal found 2/3$286
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/77:55 pm
ORD
-
BHM
Nonstop2h 02m
United Airlines
Mon 3/92:20 pm
BHM
-
ORD
Nonstop2h 18m
United Airlines
Deal found 2/1$290
This American Airlines deal was found by Cheapflights users on 2/4. 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 3/511:31 am
BMI
-
BHM
1 stop5h 24m
American Airlines
Thu 3/197:02 am
BHM
-
BMI
1 stop3h 59m
American Airlines
Deal found 2/4$294
This American Airlines deal was found by Cheapflights users on 2/2. 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 4/209:11 pm
ORD
-
BHM
Nonstop2h 00m
American Airlines
Thu 4/236:33 am
BHM
-
ORD
Nonstop2h 27m
American Airlines
Deal found 2/2$295

Find flight deals from Illinois to Birmingham

Keep the following information in mind while searching for Illinois to Birmingham flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$253
(United Airlines)

One-way from

$88
(Southwest)

Popular in

February

Cheapest in

July

Average price

$442

Good round-trip deal

$296 or less

Good one-way deal

$235 or less
Provider with most accurate pricing for Chicago (CHI)-Birmingham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Birmingham flights.
Search Deals
From Illinois to Birmingham
Search Deals
One-way flight from Illinois to Birmingham
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Birmingham.
Search Deals
Price to beat on a one-way flight from Illinois to Birmingham.
Search Deals

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 February 5, 2026.
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

Sat 5/16

4:20 pm-6:25 pm

Nonstop2h 05m

Birmingham

Tue 5/19

8:40 am-11:04 am

Nonstop2h 24m

$253

MolineBirmingham

MLI - BHM

MLIBHM

Moline Quad-City

Sat 4/18

5:55 am-10:12 am

1 stop4h 17m

Birmingham

Mon 4/20

4:19 pm-10:35 pm

1 stop6h 16m

$269

MolineBirmingham

MLI - BHM

MLIBHM

Moline Quad-City

Sat 4/18

5:55 am-11:55 am

1 stop6h 00m

Birmingham

Tue 4/21

4:19 pm-10:35 pm

1 stop6h 16m

$269

MolineBirmingham

MLI - BHM

MLIBHM

Moline Quad-City

Sat 5/16

5:30 pm-9:59 pm

1 stop4h 29m

Birmingham

Wed 5/20

7:40 pm-11:59 pm

1 stop4h 19m

$269

MolineBirmingham

MLI - BHM

MLIBHM

Moline Quad-City

Tue 3/10

3:25 pm-9:57 pm

1 stop6h 32m

Birmingham

Tue 3/17

7:30 am-2:12 pm

1 stop6h 42m

$269

MolineBirmingham

MLI - BHM

MLIBHM

Moline Quad-City

Fri 4/17

3:20 pm-9:59 pm

1 stop6h 39m

Birmingham

Wed 4/22

6:10 pm-10:45 pm

1 stop4h 35m

$269

MolineBirmingham

MLI - BHM

MLIBHM

Moline Quad-City

Tue 3/3

8:15 am-12:36 pm

1 stop4h 21m

Birmingham

Tue 3/10

9:15 am-2:12 pm

1 stop4h 57m

$269

MolineBirmingham

MLI - BHM

MLIBHM

Moline Quad-City

Tue 3/10

2:02 pm-11:59 pm

2 stops9h 57m

Birmingham

Tue 3/17

7:02 am-1:21 pm

1 stop6h 19m

$274

MolineBirmingham

MLI - BHM

MLIBHM

Moline Quad-City

Wed 4/1

2:02 pm-10:20 pm

2 stops8h 18m

Birmingham

Sun 4/5

6:32 am-1:06 pm

1 stop6h 34m

$274

MolineBirmingham

MLI - BHM

MLIBHM

Moline Quad-City

Tue 3/3

2:02 pm-11:59 pm

2 stops9h 57m

Birmingham

Tue 3/10

5:37 pm-11:37 pm

1 stop6h 00m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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, March is the cheapest month in which you can book a flight from Illinois to Birmingham, Alabama (average of $159). Flying from Illinois to Birmingham, Alabama in December is currently the most expensive (average of $249). 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 February 5, 2026.

It’s typically best to fly out from Illinois to Birmingham, Alabama in the afternoon. Doing so could potentially save you 21% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Illinois to Birmingham, Alabama?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Birmingham. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their Illinois to Birmingham, Alabama flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 5, 2026.

The most flights from USIL to BHM are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 05m. Airlines will cover a distance of 585 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Birmingham, Alabama one-way?

    $59 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $124 and $129, respectively.

  • 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 PSA Airlines (100%), Aer Lingus (79%) or Envoy Air (74%) 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 $367, our data indicates the cheapest price to be $126. The most popular route (Chicago O'Hare Intl - Birmingham), is priced around $276.

  • 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, March is the cheapest month in which you can book a flight from Illinois to Birmingham, Alabama (average of $159). Flying from Illinois to Birmingham, Alabama in December is currently the most expensive (average of $249). 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
Fultondale
Homewood
Bessemer
Hoover

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Top 4 airlines flying from Illinois to Birmingham

Discover the top 4 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$232Average$323FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$240Average$329FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$269Average$399FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$290Average$544FlexibilityNo cancel feeOn-time69%

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