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$128+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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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 January 28, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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 2/186:00 pm
BHM
-
STL
1 stop5h 36m
Delta
Sat 2/2110:11 am
STL
-
BHM
1 stop4h 33m
Delta
Deal found 1/27$255
This American Airlines deal was found by Cheapflights users on 1/28. 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 3/187:02 am
BHM
-
ORD
Nonstop2h 23m
American Airlines
Wed 3/258:05 am
ORD
-
BHM
Nonstop1h 57m
American Airlines
Deal found 1/28$257
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/1810:37 am
BHM
-
ORD
Nonstop2h 17m
American Airlines
Thu 2/268:10 am
ORD
-
BHM
Nonstop1h 57m
American Airlines
Deal found 1/27$267
This Southwest deal was found by Cheapflights users on 1/25. 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 2/264:00 pm
BHM
-
MDW
1 stop5h 40m
Southwest
Sat 2/284:25 pm
MDW
-
BHM
Nonstop1h 40m
Southwest
Deal found 1/25$270
This American Airlines deal was found by Cheapflights users on 1/28. 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 4/114:58 pm
BHM
-
ORD
Nonstop2h 32m
American Airlines
Wed 4/152:23 pm
ORD
-
BHM
Nonstop2h 03m
American Airlines
Deal found 1/28$276
This Southwest deal was found by Cheapflights users on 1/26. 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 2/276:35 am
BHM
-
MDW
Nonstop1h 55m
Southwest
Sun 3/17:25 pm
MDW
-
BHM
Nonstop1h 45m
Southwest
Deal found 1/26$277
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/267:02 am
BHM
-
ORD
Nonstop2h 23m
American Airlines
Sat 2/288:00 am
ORD
-
BHM
Nonstop2h 02m
American Airlines
Deal found 1/27$277
This Southwest deal was found by Cheapflights users on 1/27. 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 2/186:10 am
BHM
-
STL
2 stops10h 20m
Southwest
Sat 2/212:40 pm
STL
-
BHM
1 stop3h 25m
Southwest
Deal found 1/27$287
This Southwest deal was found by Cheapflights users on 1/27. 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 2/2611:00 am
BHM
-
MDW
1 stop6h 15m
Southwest
Sun 3/17:25 pm
MDW
-
BHM
Nonstop1h 45m
Southwest
Deal found 1/27$287
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/166:18 pm
BHM
-
ORD
1 stop5h 48m
American Airlines
Tue 3/38:10 am
ORD
-
BHM
Nonstop1h 57m
American Airlines
Deal found 1/26$287
This Southwest deal was found by Cheapflights users on 1/25. 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 2/265:00 am
BHM
-
ORD
1 stop9h 05m
Southwest
Sat 2/284:25 pm
ORD
-
BHM
1 stop5h 45m
Southwest
Deal found 1/25$288
This Delta deal was found by Cheapflights users on 1/28. 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 4/112:39 pm
BHM
-
ORD
1 stop5h 23m
Delta
Wed 4/158:15 am
ORD
-
BHM
1 stop3h 40m
Delta
Deal found 1/28$296

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$255
(Delta)

One-way from

$128
(Delta)

Popular in

January

Cheapest in

September

Average price

$544

Good round-trip deal

$367 or less

Good one-way deal

$227 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. 10% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 28, 2026.
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 2/18

6:00 pm-11:36 pm

1 stop5h 36m

Lambert-St Louis

Sat 2/21

10:11 am-2:44 pm

1 stop4h 33m

$255

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Fri 2/27

6:35 am-8:30 am

Nonstop1h 55m

Chicago Midway

Sun 3/1

7:25 pm-9:10 pm

Nonstop1h 45m

$277

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Tue 2/24

1:17 pm-3:33 pm

Nonstop2h 16m

Chicago O'Hare Intl

Tue 3/3

4:20 pm-6:23 pm

Nonstop2h 03m

$277

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Thu 2/26

6:35 am-8:30 am

Nonstop1h 55m

Chicago Midway

Sun 3/1

7:25 pm-9:10 pm

Nonstop1h 45m

$277

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Mon 2/23

1:17 pm-3:33 pm

Nonstop2h 16m

Chicago O'Hare Intl

Sat 2/28

4:20 pm-6:20 pm

Nonstop2h 00m

$277

BirminghamChicago

BHM - MDW

BHMMDW

Birmingham

Thu 2/26

5:00 am-12:55 pm

1 stop7h 55m

Chicago Midway

Sat 2/28

9:20 am-3:20 pm

1 stop6h 00m

$279

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Wed 2/18

6:10 am-4:30 pm

2 stops10h 20m

Lambert-St Louis

Sat 2/21

2:40 pm-6:05 pm

1 stop3h 25m

$287

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Thu 2/26

5:00 am-2:05 pm

1 stop9h 05m

Chicago O'Hare Intl

Sat 2/28

4:25 pm-10:10 pm

1 stop5h 45m

$288

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Sat 3/28

10:37 am-12:54 pm

Nonstop2h 17m

Chicago O'Hare Intl

Mon 3/30

8:05 am-10:02 am

Nonstop1h 57m

$295

BirminghamChicago

BHM - ORD

BHMORD

Birmingham

Sat 4/11

2:39 pm-8:02 pm

1 stop5h 23m

Chicago O'Hare Intl

Wed 4/15

8:15 am-11:55 am

1 stop3h 40m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 58 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, 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 January 28, 2026.

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 January 28, 2026.

The most flights from BHM to USIL are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 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 January 28, 2026.
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
4,267 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.5

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
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.5

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
8,124 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.5

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
9,212 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.5

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
11,201 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.5

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 1h 55m. Delta provides one of the quickest options available for as low as $277. 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 United Airlines ($93), 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 PSA Airlines (100%), Alaska Airlines (90%) or Envoy Air (84%) 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 $161. On average you can expect to pay $961. The most popular route, (Birmingham - Chicago O'Hare Intl), can usually be booked for $267.

  • 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

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Alternative routes for Birmingham to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$131Average$537FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$201Average$360FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$240Average$393FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$251Average$391FlexibilityNo cancel feeOn-time69%

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