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$89+ 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
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$177
(Southwest)

One-way from

$89
(Southwest)

Popular in

March

Cheapest in

September

Average price

$358

Good round-trip deal

$356 or less

Good one-way deal

$174 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 ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This Southwest deal was found by Cheapflights users on 6/29. 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.
Thu 8/72:05 pmBHM - STL
1 stop5h 30mSouthwest
Mon 8/115:25 amSTL - BHM
1 stop4h 00mSouthwest
Deal found 6/29$177
This American Airlines deal was found by Cheapflights users on 6/29. 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 9/46:00 amBHM - STL
1 stop6h 23mAmerican Airlines
Sat 9/69:44 amSTL - BHM
1 stop7h 21mAmerican Airlines
Deal found 6/29$198
This Delta deal was found by Cheapflights users on 6/30. 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 7/305:16 amBHM - STL
1 stop4h 25mDelta
Sat 8/23:41 pmSTL - BHM
1 stop3h 23mDelta
Deal found 6/30$251
This Southwest deal was found by Cheapflights users on 6/30. 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.
Thu 8/711:25 amBHM - MDW
2 stops8h 20mSouthwest
Fri 8/89:35 amMDW - BHM
2 stops8h 50mSouthwest
Deal found 6/30$258
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/314:15 pmBHM - ORD
Nonstop2h 15mAmerican Airlines
Sat 8/28:40 pmORD - BHM
Nonstop2h 16mAmerican Airlines
Deal found 6/30$262
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Thu 7/244:37 pmBHM - ORD
2 stops28h 53mSpirit Airlines
Thu 8/145:05 amORD - BHM
1 stop11h 28mSpirit Airlines
Deal found 6/30$264
This Delta deal was found by Cheapflights users on 6/29. 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 7/306:14 amBHM - MDW
1 stop6h 15mDelta
Mon 8/44:22 pmMDW - BHM
1 stop6h 49mDelta
Deal found 6/29$279
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/307:30 amBHM - ORD
Nonstop2h 25mUnited Airlines
Mon 9/110:50 amORD - BHM
Nonstop2h 02mUnited Airlines
Deal found 7/1$286
This Southwest deal was found by Cheapflights users on 6/30. 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 7/306:15 amBHM - ORD
1 stop6h 50mSouthwest
Wed 8/67:00 amORD - BHM
2 stops11h 50mSouthwest
Deal found 6/30$294
This Delta deal was found by Cheapflights users on 6/30. 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.
Sat 7/2612:10 pmBHM - ORD
1 stop7h 06mDelta
Sat 8/211:01 amORD - BHM
1 stop5h 55mDelta
Deal found 6/30$311
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Tue 7/292:17 pmBHM - STL
3 stops20h 12mSpirit Airlines
Tue 8/55:26 pmSTL - BHM
2 stops19h 56mSpirit Airlines
Deal found 6/30$329
This United Airlines deal was found by Cheapflights users on 6/30. 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 7/299:00 amBHM - STL
1 stop7h 59mUnited Airlines
Tue 8/56:15 pmSTL - BHM
2 stops18h 40mUnited Airlines
Deal found 6/30$513

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 July 1, 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

Thu 8/7

2:05 pm-7:35 pm

1 stop5h 30m

Lambert-St Louis

Mon 8/11

5:25 am-9:25 am

1 stop4h 00m

$177

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Thu 9/4

6:00 am-12:23 pm

1 stop6h 23m

Lambert-St Louis

Sat 9/6

9:44 am-5:05 pm

1 stop7h 21m

$198

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Fri 10/3

6:32 am-8:49 am

Nonstop2h 17m

Chicago O'Hare Intl

Sun 10/12

5:22 am-10:46 am

1 stop5h 24m

$250

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Wed 7/30

5:16 am-9:41 am

1 stop4h 25m

Lambert-St Louis

Sat 8/2

3:41 pm-7:04 pm

1 stop3h 23m

$251

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Fri 10/3

5:35 pm-11:52 pm

1 stop6h 17m

Chicago O'Hare Intl

Sun 10/12

6:00 am-11:22 am

1 stop5h 22m

$252

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Thu 8/7

11:25 am-7:45 pm

2 stops8h 20m

Chicago Midway

Fri 8/8

9:35 am-6:25 pm

2 stops8h 50m

$258

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Thu 8/7

1:36 pm-3:55 pm

Nonstop2h 19m

Chicago O'Hare Intl

Sun 8/10

7:45 pm-9:49 pm

Nonstop2h 04m

$263

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Thu 7/24

4:37 pm-9:30 pm

2 stops28h 53m

Chicago O'Hare Intl

Thu 8/14

5:05 am-4:33 pm

1 stop11h 28m

$264

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Wed 7/30

6:14 am-12:29 pm

1 stop6h 15m

Chicago Midway

Mon 8/4

4:22 pm-11:11 pm

1 stop6h 49m

$279

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Wed 7/30

6:15 am-1:05 pm

1 stop6h 50m

Chicago O'Hare Intl

Wed 8/6

7:00 am-6:50 pm

2 stops11h 50m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 24 results
1
2
3

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 July 1, 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 July 1, 2025.

The most flights from BHM to USIL are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 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 July 1, 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
4,275 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

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
4,275 reviews
Southwest
8.0
Very good
4,275 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

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
7,974 reviews
Southwest
8.0
Very good
4,275 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

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
8,858 reviews
Southwest
8.0
Very good
4,275 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

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
4,275 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

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
8,100 reviews
Southwest
8.0
Very good
4,275 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.0

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 ($89), United Airlines ($91), and Delta ($110).

  • 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 PSA Airlines (100%), Qatar Airways (89%) or Republic Airways (89%) 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 $170. On average you can expect to pay $1,647. The most popular route, (Birmingham - Chicago O'Hare Intl), can usually be booked for $181.

  • 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$131Average$449FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$161Average$324FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$270Average$440FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$278Average$376FlexibilityNo cancel feeOn-time63%

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