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$79+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$247
(Mytrip)

One-way from

$79
(Southwest)

Popular in

March

Cheapest in

September

Average price

$362

Good round-trip deal

$334 or less

Good one-way deal

$194 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. 4% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:19 pmBHM - STL
1 stop20h 20mSpirit Airlines
Sun 7/2710:47 amSTL - BHM
1 stop25h 20mSpirit Airlines
Deal found 6/11$247
This Delta deal was found by Cheapflights users on 6/10. 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.
Fri 7/45:16 amBHM - STL
1 stop3h 59mDelta
Mon 7/77:11 pmSTL - BHM
1 stop4h 00mDelta
Deal found 6/10$258
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 7/2310:45 amBHM - STL
1 stop6h 02mAmerican Airlines
Fri 7/255:15 amSTL - BHM
1 stop5h 04mAmerican Airlines
Deal found 6/9$264
This Southwest deal was found by Cheapflights users on 6/10. 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.
Fri 8/86:00 pmBHM - MDW
Nonstop1h 50mSouthwest
Mon 8/1110:00 amMDW - BHM
2 stops8h 25mSouthwest
Deal found 6/10$268
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/34:58 pmBHM - ORD
1 stop6h 47mSpirit Airlines
Tue 7/85:05 amORD - BHM
1 stop10h 47mSpirit Airlines
Deal found 6/12$268
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 7/305:45 amBHM - STL
2 stops8h 20mSouthwest
Sat 8/25:55 amSTL - BHM
1 stop4h 35mSouthwest
Deal found 6/11$269
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 6/3012:41 pmBHM - ORD
1 stop4h 54mAmerican Airlines
Wed 7/28:45 pmORD - BHM
Nonstop2h 13mAmerican Airlines
Deal found 6/11$271
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:14 amBHM - MDW
1 stop6h 15mDelta
Wed 7/26:00 amMDW - BHM
1 stop4h 58mDelta
Deal found 6/11$281
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:22 pmBHM - ORD
1 stop5h 37mDelta
Sat 7/57:10 amORD - BHM
1 stop3h 49mDelta
Deal found 6/11$281
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 9/124:55 pmBHM - STL
1 stop5h 13mUnited Airlines
Mon 9/224:32 pmSTL - BHM
1 stop5h 27mUnited Airlines
Deal found 6/9$282
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/207:30 amBHM - ORD
Nonstop2h 24mUnited Airlines
Sun 8/247:50 pmORD - BHM
Nonstop2h 07mUnited Airlines
Deal found 6/11$286
This Southwest deal was found by Cheapflights users on 6/10. 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 7/85:45 amBHM - ORD
1 stop5h 00mSouthwest
Tue 7/157:30 amORD - BHM
1 stop8h 05mSouthwest
Deal found 6/10$297

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 June 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

Fri 7/25

6:19 pm-2:39 pm

1 stop20h 20m

Lambert-St Louis

Sun 7/27

10:47 am-12:07 pm

1 stop25h 20m

$247

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Fri 7/4

5:16 am-9:15 am

1 stop3h 59m

Lambert-St Louis

Mon 7/7

7:11 pm-11:11 pm

1 stop4h 00m

$258

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Wed 7/23

10:45 am-4:47 pm

1 stop6h 02m

Lambert-St Louis

Fri 7/25

5:15 am-10:19 am

1 stop5h 04m

$264

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Fri 8/8

6:00 pm-7:50 pm

Nonstop1h 50m

Chicago Midway

Mon 8/11

10:00 am-6:25 pm

2 stops8h 25m

$268

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Thu 7/3

4:58 pm-11:45 pm

1 stop6h 47m

Chicago O'Hare Intl

Tue 7/8

5:05 am-3:52 pm

1 stop10h 47m

$268

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Wed 7/30

5:45 am-2:05 pm

2 stops8h 20m

Lambert-St Louis

Sat 8/2

5:55 am-10:30 am

1 stop4h 35m

$269

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Mon 6/30

12:41 pm-5:35 pm

1 stop4h 54m

Chicago O'Hare Intl

Wed 7/2

8:45 pm-10:58 pm

Nonstop2h 13m

$271

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Mon 6/30

6:14 am-12:29 pm

1 stop6h 15m

Chicago Midway

Wed 7/2

6:00 am-10:58 am

1 stop4h 58m

$281

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Tue 7/1

6:22 pm-11:59 pm

1 stop5h 37m

Chicago O'Hare Intl

Sat 7/5

7:10 am-10:59 am

1 stop3h 49m

$281

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Fri 9/12

4:55 pm-10:08 pm

1 stop5h 13m

Lambert-St Louis

Mon 9/22

4:32 pm-9:59 pm

1 stop5h 27m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 30 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 June 12, 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 June 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 (9 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 June 12, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Birmingham to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,052 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

  • 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 Southwest ($79), United Airlines ($79), and Spirit Airlines ($98).

  • 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 Envoy Air (89%), United Airlines (82%) or Air New Zealand (82%) 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 $165. On average you can expect to pay $1,517. The most popular route, (Birmingham - Chicago O'Hare Intl), can usually be booked for $177.

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$161Average$324FlexibilityNo cancel feeOn-time71%
DeltaCheapest$176Average$418FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$271Average$458FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$278Average$375FlexibilityNo cancel feeOn-time63%

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