HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$125+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Birmingham to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:34 amBHM - ORD
Nonstop2h 18mAmerican Airlines
Wed 1/78:15 amORD - BHM
Nonstop2h 11mAmerican Airlines
Deal found 12/10$253
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:20 amBHM - MDW
1 stop3h 45mDelta
Wed 1/76:45 amMDW - BHM
1 stop3h 48mDelta
Deal found 12/10$273
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:34 amBHM - ORD
Nonstop2h 18mAmerican Airlines
Sat 1/38:49 pmORD - BHM
Nonstop2h 04mAmerican Airlines
Deal found 12/10$326
This Delta deal was found by Cheapflights users on 12/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:20 amBHM - ORD
1 stop4h 16mDelta
Sat 1/35:30 amORD - BHM
1 stop4h 31mDelta
Deal found 12/9$346
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/257:30 amBHM - ORD
Nonstop2h 24mUnited Airlines
Mon 12/297:47 pmORD - BHM
Nonstop2h 08mUnited Airlines
Deal found 12/10$359
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:34 amBHM - ORD
Nonstop2h 18mAmerican Airlines
Fri 12/268:50 pmORD - BHM
Nonstop2h 04mAmerican Airlines
Deal found 12/11$366
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amBHM - ORD
1 stop6h 40mAmerican Airlines
Sat 1/34:07 pmORD - BHM
1 stop5h 11mAmerican Airlines
Deal found 12/10$372
This Delta deal was found by Cheapflights users on 12/8. 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.
Thu 12/255:20 amBHM - MDW
1 stop3h 45mDelta
Sat 1/36:00 amMDW - BHM
1 stop4h 01mDelta
Deal found 12/8$374
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:20 amBHM - ORD
1 stop5h 52mDelta
Mon 12/295:30 amORD - BHM
1 stop6h 43mDelta
Deal found 12/10$379
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:48 amBHM - STL
1 stop4h 36mDelta
Mon 12/295:13 pmSTL - BHM
1 stop4h 05mDelta
Deal found 12/10$408
This Southwest deal was found by Cheapflights users on 12/8. 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 12/265:00 pmBHM - MDW
Nonstop1h 55mSouthwest
Tue 12/307:45 amMDW - BHM
Nonstop1h 45mSouthwest
Deal found 12/8$447
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amBHM - STL
2 stops8h 09mAmerican Airlines
Mon 12/295:00 amSTL - BHM
1 stop7h 23mAmerican Airlines
Deal found 12/10$454

Find flight deals from Birmingham to Illinois

Keep the following information in mind while searching for Birmingham to Illinois flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$125
(Southwest)

Popular in

July

Cheapest in

September

Average price

$387

Good round-trip deal

$378 or less

Good one-way deal

$234 or less
Provider with most accurate pricing for Birmingham-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Birmingham-Chicago (CHI) flights.
Search Deals
From Birmingham to Illinois
Search Deals
One-way flight from Birmingham to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Birmingham to Illinois.
Search Deals
Price to beat on a one-way flight from Birmingham to Illinois.
Search Deals

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 December 12, 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 1/7

6:20 am-11:05 am

1 stop4h 45m

Lambert-St Louis

Wed 1/14

7:10 am-12:49 pm

1 stop5h 39m

$257

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Wed 1/7

10:51 am-3:04 pm

1 stop4h 13m

Lambert-St Louis

Wed 1/14

9:54 am-5:00 pm

2 stops7h 06m

$262

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Sat 1/17

7:35 am-2:45 pm

1 stop7h 10m

Chicago O'Hare Intl

Sun 1/18

2:15 pm-9:20 pm

1 stop7h 05m

$269

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Sat 1/17

6:20 am-10:32 am

1 stop4h 12m

Chicago Midway

Sun 1/18

6:45 am-10:33 am

1 stop3h 48m

$269

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Sat 1/17

9:13 am-1:39 pm

1 stop4h 26m

Chicago O'Hare Intl

Sun 1/18

5:30 am-10:33 am

1 stop5h 03m

$269

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Tue 1/13

10:56 am-1:09 pm

Nonstop2h 13m

Chicago O'Hare Intl

Thu 1/22

8:15 am-10:26 am

Nonstop2h 11m

$276

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Wed 1/21

7:20 am-9:15 am

Nonstop1h 55m

Chicago Midway

Sat 1/24

9:55 am-4:15 pm

1 stop6h 20m

$286

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Thu 1/29

4:53 pm-10:00 pm

1 stop5h 07m

Lambert-St Louis

Sat 1/31

11:20 am-6:29 pm

1 stop7h 09m

$294

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Thu 1/15

9:10 am-11:34 am

Nonstop2h 24m

Chicago O'Hare Intl

Mon 1/19

7:50 pm-9:58 pm

Nonstop2h 08m

$295

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Tue 1/13

6:10 am-1:00 pm

1 stop6h 50m

Chicago O'Hare Intl

Thu 1/22

11:55 am-5:00 pm

1 stop5h 05m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 53 results
1
2
3
...
6

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, March is the cheapest month in which you can book a flight from Birmingham, Alabama to Illinois (average of $113). Flying from Birmingham, Alabama to Illinois in June is currently the most expensive (average of $219). 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 December 12, 2025.

It’s optimal to fly from Birmingham, Alabama to Illinois in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the morning.

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 December 12, 2025.

The most flights from BHM to USIL are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 December 12, 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
7.9
Good
4,253 reviews

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Overall

7.9

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 4h 13m. Delta provides one of the quickest options available for as low as $262. Birmingham, Alabama and Illinois are separated by a distance of 411 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 United Airlines ($90), American Airlines ($94), and Southwest ($102).

  • 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 Alaska Airlines (95%), Qatar Airways (94%) or American Airlines (87%) 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 $149. On average you can expect to pay $430. The most popular route, (Birmingham - Chicago O'Hare Intl), can usually be booked for $259.

  • 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, March is the cheapest month in which you can book a flight from Birmingham, Alabama to Illinois (average of $113). Flying from Birmingham, Alabama to Illinois in June is currently the most expensive (average of $219). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Birmingham to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to John F Kennedy Intl flights
Atlanta to LaGuardia flights
Atlanta to Las Vegas flights
Atlanta to Denver flights
Atlanta to Los Angeles flights
Atlanta to Newark flights
Atlanta to Fort Lauderdale flights
Atlanta to Miami flights
Atlanta to O'Hare Intl flights
Atlanta to Sky Harbor Intl flights
Atlanta to Dulles Intl flights
Atlanta to Dallas/Fort Worth flights
Atlanta to Baltimore flights
Atlanta to Hobby flights
Atlanta to Midway flights
Atlanta to Boston flights
Atlanta to San Francisco flights
Atlanta to Tampa flights
Atlanta to Seattle flights
Atlanta to Orlando flights
Atlanta to New Orleans flights
Atlanta to Philadelphia flights
Atlanta to Reagan-National flights
Atlanta to George Bush Intcntl flights
Atlanta to Honolulu flights
Atlanta to Salt Lake City flights
Atlanta to Minneapolis flights
Atlanta to Ontario flights
Atlanta to Love Field flights
Atlanta to Austin flights
Atlanta to Portland flights
Atlanta to San Diego flights
Atlanta to Detroit flights
Atlanta to Raleigh flights
Atlanta to Santa Ana flights
Atlanta to San Antonio flights
Birmingham to LaGuardia flights
Atlanta to West Palm Beach flights
Atlanta to Key West flights
Atlanta to White Plains flights
Chattanooga to LaGuardia flights
Atlanta to Cleveland flights
Atlanta to Indianapolis flights
Atlanta to Fort Myers flights
Atlanta to Hartford flights
Atlanta to Oklahoma City flights
Atlanta to Stewart flights
Atlanta to Buffalo flights
Chattanooga to John F Kennedy Intl flights
Atlanta to Burbank flights

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$131Average$537FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$200Average$351FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$240Average$379FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$251Average$402FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.