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$123+ Cheap flights from Birmingham, AL (BHM) 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Birmingham to Illinois

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

Round-trip from

$257
(Delta)

One-way from

$123
(American Airlines)

Popular in

March

Cheapest in

October

Average price

$364

Good round-trip deal

$280 or less

Good one-way deal

$143 or less
From Birmingham to Illinois
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One-way flight from Birmingham to Illinois
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 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 Birmingham to Illinois.
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Price to beat on a one-way flight from Birmingham to Illinois.
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Find flight deals from Birmingham to Illinois

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

This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 11/51:23 pmBHM - STL
1 stop4h 39mDelta
Sat 11/83:59 pmSTL - BHM
1 stop4h 21mDelta
Deal found 9/15$257
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:45 amBHM - MDW
Nonstop1h 45mSouthwest
Tue 10/147:40 amMDW - BHM
Nonstop1h 40mSouthwest
Deal found 9/15$293
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/149:20 amBHM - ORD
Nonstop2h 24mUnited Airlines
Tue 10/212:30 pmORD - BHM
Nonstop2h 04mUnited Airlines
Deal found 9/14$293
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:33 amBHM - STL
1 stop7h 11mAmerican Airlines
Sat 11/16:00 amSTL - BHM
1 stop9h 06mAmerican Airlines
Deal found 9/15$296
This Southwest deal was found by Cheapflights users on 9/14. 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.
Fri 10/317:40 amBHM - MDW
Nonstop1h 50mSouthwest
Mon 11/38:25 pmMDW - BHM
Nonstop1h 45mSouthwest
Deal found 9/14$296
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:36 amBHM - ORD
Nonstop2h 18mAmerican Airlines
Mon 11/38:45 pmORD - BHM
Nonstop2h 06mAmerican Airlines
Deal found 9/15$296
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:26 amBHM - ORD
Nonstop2h 21mAmerican Airlines
Tue 1/67:37 pmORD - BHM
Nonstop2h 01mAmerican Airlines
Deal found 9/15$301
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:33 amBHM - ORD
Nonstop2h 21mAmerican Airlines
Wed 10/155:20 amORD - BHM
1 stop6h 12mAmerican Airlines
Deal found 9/15$303
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:33 pmBHM - STL
1 stop4h 08mDelta
Sat 11/110:45 amSTL - BHM
1 stop6h 34mDelta
Deal found 9/16$307
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:00 amBHM - MDW
Nonstop1h 50mSouthwest
Mon 10/207:45 amMDW - BHM
Nonstop1h 40mSouthwest
Deal found 9/17$308
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/245:00 pmBHM - ORD
Nonstop2h 25mAmerican Airlines
Mon 10/278:43 pmORD - BHM
Nonstop2h 08mAmerican Airlines
Deal found 9/14$308
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:57 amBHM - STL
1 stop5h 15mAmerican Airlines
Fri 11/75:56 pmSTL - BHM
1 stop5h 01mAmerican Airlines
Deal found 9/15$311

Cheapflights Fare Finder

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

Fly from

Birmingham

Fly to

Illinois

Route

Depart

Return

Price

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Wed 11/5

1:23 pm-6:02 pm

1 stop4h 39m

Lambert-St Louis

Sat 11/8

3:59 pm-8:20 pm

1 stop4h 21m

$257

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Sat 11/8

7:10 am-9:00 am

Nonstop1h 50m

Chicago Midway

Tue 11/11

8:25 pm-10:10 pm

Nonstop1h 45m

$293

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Wed 10/15

6:00 pm-8:25 pm

Nonstop2h 25m

Chicago O'Hare Intl

Wed 10/22

2:30 pm-4:34 pm

Nonstop2h 04m

$293

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Tue 10/14

9:20 am-11:44 am

Nonstop2h 24m

Chicago O'Hare Intl

Tue 10/21

2:30 pm-4:34 pm

Nonstop2h 04m

$293

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Sun 10/26

6:33 am-1:44 pm

1 stop7h 11m

Lambert-St Louis

Sat 11/1

6:00 am-3:06 pm

1 stop9h 06m

$296

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Fri 10/31

7:40 am-9:30 am

Nonstop1h 50m

Chicago Midway

Mon 11/3

8:25 pm-10:10 pm

Nonstop1h 45m

$296

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Sat 10/18

7:40 am-1:00 pm

1 stop5h 20m

Chicago Midway

Mon 10/20

8:50 pm-10:30 pm

Nonstop1h 40m

$303

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Tue 10/14

3:15 pm-5:05 pm

Nonstop1h 50m

Chicago Midway

Tue 10/21

5:35 am-10:15 am

1 stop4h 40m

$303

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Sun 10/26

7:33 pm-11:41 pm

1 stop4h 08m

Lambert-St Louis

Sat 11/1

10:45 am-5:19 pm

1 stop6h 34m

$307

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Fri 10/24

4:10 pm-6:00 pm

Nonstop1h 50m

Chicago Midway

Mon 10/27

7:45 am-9:25 am

Nonstop1h 40m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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

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

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

Currently, August is the cheapest month in which you can book a flight from Birmingham, Alabama to Illinois (average of $245). Flying from Birmingham, 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 BHM to IL?

Find hourly flight availability from Birmingham 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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Birmingham, Alabama to Illinois as you normally would.

Weekly flight availability from Birmingham, Alabama to Illinois

Explore weekly flight availability from Birmingham 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 September 17, 2025.

The most flights from BHM to USIL are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

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 September 17, 2025.
Read through reviews of airlines operating flights from Birmingham to Illinois, such as Southwest, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Birmingham to Illinois. 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 from for flights from Birmingham to Illinois?

    Located just 4.3 mi from the city center, Birmingham (BHM) is the airport most travelers will use when flying to Illinois from Birmingham.

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

    A quick flight from Birmingham, Alabama to Illinois can take about 1h 50m. Delta provides one of the quickest options available for as low as $293. Birmingham, Alabama and Illinois are separated by a distance of 570 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Birmingham, Alabama to Illinois are Delta ($129), Southwest ($147), and United Airlines ($147).

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

    When deciding which route to take from Birmingham, Alabama to Illinois consider Birmingham - Chicago O'Hare Intl, Birmingham - Chicago Midway or Birmingham - Lambert-St Louis as they are the most popular.

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

    Consider Republic Airways (94%), Lufthansa (93%) or United Airlines (92%) when booking your flight. These represent the most reliable airlines when flying from Birmingham, Alabama to Illinois.

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

    The cheapest flight price from Birmingham, Alabama to Illinois is $109. On average you can expect to pay $1,029. The most popular route, (Birmingham - Chicago O'Hare Intl), can usually be booked for $293.

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

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

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

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

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

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

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

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Top 4 airlines flying from Birmingham to Illinois

Discover the top 4 airlines that operate flights from Birmingham 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$131Average$449FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$193Average$316FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$260Average$375FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$260Average$407FlexibilityNo cancel feeOn-time69%

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