$88+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
Mar 6 — Mar 131
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
Best
Last-minute
One-way
Cheapest flights from Birmingham to IllinoisExplore 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 February 4, 2026.
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 February 4, 2026.
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1111:50 am
BHM
- ORD
Nonstop2h 22m
American Airlines
Wed 4/153:09 pm
ORD
- BHM
Nonstop2h 05m
American Airlines
Deal found 2/1![American Airlines logo]()
$253
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:55 am
BHM
- ORD
1 stop6h 55m
Southwest
Sat 5/162:05 pm
ORD
- BHM
1 stop5h 45m
Southwest
Deal found 2/1![Southwest logo]()
$269
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:45 am
BHM
- MDW
Nonstop1h 50m
Southwest
Sat 3/72:30 pm
MDW
- BHM
Nonstop1h 40m
Southwest
Deal found 2/1![Southwest logo]()
$284
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:37 am
BHM
- ORD
Nonstop2h 17m
American Airlines
Sat 3/78:00 am
ORD
- BHM
Nonstop2h 02m
American Airlines
Deal found 2/1![American Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:33 am
BHM
- ORD
Nonstop2h 27m
American Airlines
Wed 5/203:09 pm
ORD
- BHM
Nonstop2h 05m
American Airlines
Deal found 2/1![American Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:05 pm
BHM
- MDW
1 stop4h 50m
Southwest
Wed 5/205:30 am
MDW
- BHM
1 stop5h 10m
Southwest
Deal found 2/1![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 2/4. 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 4/115:20 am
BHM
- ORD
1 stop4h 46m
Delta
Wed 4/158:15 am
ORD
- BHM
1 stop4h 40m
Delta
Deal found 2/4![Delta logo]()
$296
This Southwest deal was found by Cheapflights users on 2/2. 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 3/312:50 pm
BHM
- MDW
Nonstop1h 55m
Southwest
Wed 4/11:05 pm
MDW
- BHM
Nonstop1h 45m
Southwest
Deal found 2/2![Southwest logo]()
$313
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/34:56 pm
BHM
- STL
1 stop5h 18m
United Airlines
Wed 3/411:25 am
STL
- BHM
1 stop6h 58m
United Airlines
Deal found 2/3![United Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 2/2. 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 5/55:20 am
BHM
- STL
1 stop5h 14m
Delta
Sat 5/910:45 am
STL
- BHM
1 stop5h 30m
Delta
Deal found 2/2![Delta logo]()
$320
This Southwest deal was found by Cheapflights users on 2/2. 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 5/53:40 pm
BHM
- STL
2 stops6h 30m
Southwest
Sat 5/93:40 pm
STL
- BHM
1 stop4h 10m
Southwest
Deal found 2/2![Southwest logo]()
$325
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/232:45 pm
BHM
- STL
1 stop7h 43m
United Airlines
Sat 4/256:00 am
STL
- BHM
1 stop8h 04m
United Airlines
Deal found 2/2![United Airlines logo]()
$331
Best flights from Birmingham to IllinoisDiscover carefully curated flight deals from Birmingham to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from Birmingham to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:55 am
BHM
- ORD
1 stop6h 55m
Southwest
Sat 5/162:05 pm
ORD
- BHM
1 stop5h 45m
Southwest
Deal found 2/1![Southwest logo]()
$269
This American Airlines deal was found by Cheapflights users on 2/3. 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 4/115:44 pm
BHM
- ORD
Nonstop2h 33m
American Airlines
Wed 4/159:11 pm
ORD
- BHM
Nonstop2h 00m
American Airlines
Deal found 2/3![American Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 2/3. 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 4/115:20 am
BHM
- ORD
1 stop4h 46m
Delta
Wed 4/151:36 pm
ORD
- BHM
1 stop7h 12m
Delta
Deal found 2/3![Delta logo]()
$296
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/34:56 pm
BHM
- STL
1 stop5h 18m
United Airlines
Wed 3/46:00 am
STL
- BHM
1 stop8h 01m
United Airlines
Deal found 2/2![United Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:45 am
BHM
- MDW
Nonstop1h 50m
Southwest
Sat 3/72:30 pm
MDW
- BHM
Nonstop1h 40m
Southwest
Deal found 2/1![Southwest logo]()
$284
This Delta deal was found by Cheapflights users on 2/3. 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 5/22:20 pm
BHM
- ORD
1 stop4h 28m
Delta
Tue 5/58:15 am
ORD
- BHM
1 stop3h 40m
Delta
Deal found 2/3![Delta logo]()
$296
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/315:37 pm
BHM
- ORD
Nonstop2h 22m
American Airlines
Wed 4/17:50 pm
ORD
- BHM
Nonstop1h 59m
American Airlines
Deal found 2/2![American Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:05 pm
BHM
- MDW
1 stop4h 50m
Southwest
Wed 5/205:30 am
MDW
- BHM
1 stop5h 10m
Southwest
Deal found 2/1![Southwest logo]()
$296
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/232:45 pm
BHM
- STL
1 stop7h 43m
United Airlines
Sat 4/256:00 am
STL
- BHM
1 stop8h 04m
United Airlines
Deal found 2/2![United Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 2/2. 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 5/55:20 am
BHM
- STL
1 stop5h 14m
Delta
Sat 5/910:45 am
STL
- BHM
1 stop5h 30m
Delta
Deal found 2/2![Delta logo]()
$320
This Southwest deal was found by Cheapflights users on 2/3. 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 5/212:40 pm
BHM
- ORD
2 stops9h 15m
Southwest
Tue 5/51:35 pm
ORD
- BHM
1 stop6h 40m
Southwest
Deal found 2/3![Southwest logo]()
$301
This American Airlines deal was found by Cheapflights users on 2/3. 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 4/196:33 am
BHM
- ORD
Nonstop2h 27m
American Airlines
Thu 4/239:15 am
ORD
- BHM
Nonstop2h 03m
American Airlines
Deal found 2/3![American Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1811:25 am
BHM
- ORD
1 stop10h 30m
Southwest
Wed 5/201:35 pm
ORD
- BHM
1 stop6h 40m
Southwest
Deal found 2/1![Southwest logo]()
$301
This Delta deal was found by Cheapflights users on 2/2. 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 3/85:20 am
BHM
- STL
1 stop3h 27m
Delta
Mon 3/96:00 am
STL
- BHM
1 stop4h 01m
Delta
Deal found 2/2![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:20 pm
BHM
- STL
1 stop6h 39m
Delta
Mon 5/251:27 pm
STL
- BHM
1 stop5h 15m
Delta
Deal found 2/1![Delta logo]()
$355
This Southwest deal was found by Cheapflights users on 2/2. 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 5/53:40 pm
BHM
- STL
2 stops6h 30m
Southwest
Sat 5/93:40 pm
STL
- BHM
1 stop4h 10m
Southwest
Deal found 2/2![Southwest logo]()
$325
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:45 pm
BHM
- STL
1 stop3h 53m
Delta
Thu 7/91:30 pm
STL
- BHM
1 stop5h 30m
Delta
Deal found 2/1![Delta logo]()
$355
This Southwest deal was found by Cheapflights users on 2/2. 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 3/312:30 pm
BHM
- MDW
2 stops7h 25m
Southwest
Wed 4/11:05 pm
MDW
- BHM
Nonstop1h 45m
Southwest
Deal found 2/2![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:45 am
BHM
- ORD
2 stops12h 50m
Southwest
Sat 3/71:35 pm
ORD
- BHM
1 stop7h 50m
Southwest
Deal found 2/1![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 2/3. 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.
Sun 5/35:35 am
BHM
- ORD
1 stop7h 15m
Southwest
Tue 5/51:35 pm
ORD
- BHM
1 stop6h 40m
Southwest
Deal found 2/3![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 2/2. 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 5/25:30 pm
BHM
- MDW
1 stop5h 15m
Southwest
Sun 5/310:05 am
MDW
- BHM
Nonstop1h 45m
Southwest
Deal found 2/2![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 2/3. 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 3/32:40 pm
BHM
- MDW
1 stop3h 25m
Southwest
Tue 3/101:05 pm
MDW
- BHM
Nonstop1h 45m
Southwest
Deal found 2/3![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 2/3. 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 4/1812:40 pm
BHM
- MDW
1 stop8h 40m
Southwest
Fri 4/245:00 am
MDW
- BHM
1 stop4h 45m
Southwest
Deal found 2/3![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 2/2. 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.
Sun 5/35:00 am
BHM
- MDW
1 stop6h 15m
Southwest
Sat 5/164:20 pm
MDW
- BHM
1 stop5h 35m
Southwest
Deal found 2/2![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 2/3. 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 5/156:30 am
BHM
- STL
2 stops6h 45m
Southwest
Mon 5/184:30 pm
STL
- BHM
2 stops6h 20m
Southwest
Deal found 2/3![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 2/3. 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 6/256:25 am
BHM
- STL
1 stop4h 35m
Southwest
Mon 6/295:35 am
STL
- BHM
1 stop8h 05m
Southwest
Deal found 2/3![Southwest logo]()
$355
Last-minute flights from Birmingham to IllinoisDiscover last-minute flight deals from Birmingham to Illinois. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Birmingham to Illinois. Data last updated February 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/27:02 am
BHM
- ORD
Nonstop2h 23m
American Airlines
Tue 3/33:01 pm
ORD
- BHM
Nonstop1h 54m
American Airlines
Deal found 2/2![American Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/34:56 pm
BHM
- STL
1 stop5h 18m
United Airlines
Wed 3/411:25 am
STL
- BHM
1 stop6h 58m
United Airlines
Deal found 2/3![United Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 2/3. 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 3/37:20 am
BHM
- MDW
Nonstop1h 55m
Southwest
Tue 3/101:05 pm
MDW
- BHM
Nonstop1h 45m
Southwest
Deal found 2/3![Southwest logo]()
$333
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/47:27 am
BHM
- ORD
Nonstop2h 21m
United Airlines
Sun 3/87:55 pm
ORD
- BHM
Nonstop2h 02m
United Airlines
Deal found 2/2![United Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 2/3. 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 3/410:37 am
BHM
- ORD
Nonstop2h 17m
American Airlines
Sun 3/86:40 am
ORD
- BHM
1 stop5h 37m
American Airlines
Deal found 2/3![American Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:45 am
BHM
- MDW
Nonstop1h 50m
Southwest
Sat 3/72:30 pm
MDW
- BHM
Nonstop1h 40m
Southwest
Deal found 2/1![Southwest logo]()
$284
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:37 am
BHM
- ORD
Nonstop2h 17m
American Airlines
Sat 3/78:00 am
ORD
- BHM
Nonstop2h 02m
American Airlines
Deal found 2/1![American Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:45 am
BHM
- ORD
2 stops12h 50m
Southwest
Sat 3/71:35 pm
ORD
- BHM
1 stop7h 50m
Southwest
Deal found 2/1![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 2/3. 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 3/85:20 am
BHM
- STL
1 stop3h 27m
Delta
Mon 3/96:00 am
STL
- BHM
1 stop5h 49m
Delta
Deal found 2/3![Delta logo]()
$355
This Southwest deal was found by Cheapflights users on 2/2. 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 3/312:50 pm
BHM
- MDW
Nonstop1h 55m
Southwest
Wed 4/11:05 pm
MDW
- BHM
Nonstop1h 45m
Southwest
Deal found 2/2![Southwest logo]()
$313
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/315:37 pm
BHM
- ORD
Nonstop2h 22m
American Airlines
Wed 4/17:50 pm
ORD
- BHM
Nonstop1h 59m
American Airlines
Deal found 2/2![American Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 2/2. 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 3/315:40 am
BHM
- ORD
2 stops12h 55m
Southwest
Wed 4/12:40 pm
ORD
- BHM
1 stop7h 55m
Southwest
Deal found 2/2![Southwest logo]()
$349
One-way flights from Birmingham to IllinoisSearch for one-way flight options from Birmingham to Illinois. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from Birmingham to Illinois. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Southwest deal was found by Cheapflights users on 2/2. 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 2/285:00 am
BHM
- MDW
Nonstop1h 50m
Southwest
Deal found 2/2![Southwest logo]()
$88
This Delta deal was found by Cheapflights users on 2/3. 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 2/249:10 am
BHM
- STL
1 stop5h 37m
Delta
Deal found 2/3![Delta logo]()
$128
This Southwest deal was found by Cheapflights users on 2/4. 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 4/2110:10 am
BHM
- MDW
Nonstop1h 50m
Southwest
Deal found 2/4![Southwest logo]()
$129
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/17:30 am
BHM
- ORD
Nonstop2h 19m
United Airlines
Deal found 2/3![United Airlines logo]()
$129
This Southwest deal was found by Cheapflights users on 2/2. 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 4/1812:40 pm
BHM
- MDW
1 stop4h 45m
Southwest
Deal found 2/2![Southwest logo]()
$131
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
BHM
- ORD
1 stop7h 19m
American Airlines
Deal found 2/1![American Airlines logo]()
$131
This Southwest deal was found by Cheapflights users on 2/3. 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 2/285:30 am
BHM
- STL
2 stops6h 30m
Southwest
Deal found 2/3![Southwest logo]()
$133
This Southwest deal was found by Cheapflights users on 2/2. 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 4/115:45 am
BHM
- ORD
1 stop9h 45m
Southwest
Deal found 2/2![Southwest logo]()
$137
This Delta deal was found by Cheapflights users on 2/4. 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 5/54:19 pm
BHM
- MDW
1 stop6h 09m
Delta
Deal found 2/4![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 2/4. 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 5/54:19 pm
BHM
- ORD
1 stop3h 57m
Delta
Deal found 2/4![Delta logo]()
$139
This Southwest deal was found by Cheapflights users on 2/2. 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 3/146:30 pm
BHM
- MDW
1 stop6h 20m
Southwest
Deal found 2/2![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 2/2. 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 2/286:40 am
BHM
- ORD
1 stop7h 25m
Southwest
Deal found 2/2![Southwest logo]()
$142
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 February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $253 (American Airlines) |
One-way from | $88 (Southwest) |
Popular in | January |
Cheapest in | September |
Average price | $349 |
Good round-trip deal | $343 or less |
Good one-way deal | $192 or less |
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 February 4, 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
BirminghamChicago
BHM - ORD
BHMORD
Birmingham
Tue 4/28
5:55 am-12:50 pm
1 stop6h 55m
Chicago O'Hare Intl
Sat 5/16
2:05 pm-7:50 pm
1 stop5h 45m
$269
BirminghamChicago
BHM - ORD
BHMORD
Birmingham
Sat 4/11
5:44 pm-8:17 pm
Nonstop2h 33m
Chicago O'Hare Intl
Wed 4/15
9:11 pm-11:11 pm
Nonstop2h 00m
$276
BirminghamChicago
BHM - MDW
BHMMDW
Birmingham
Thu 3/5
9:45 am-11:35 am
Nonstop1h 50m
Chicago Midway
Sat 3/7
2:30 pm-4:10 pm
Nonstop1h 40m
$284
BirminghamChicago
BHM - ORD
BHMORD
Birmingham
Sat 4/11
5:20 am-10:06 am
1 stop4h 46m
Chicago O'Hare Intl
Wed 4/15
1:36 pm-8:48 pm
1 stop7h 12m
$296
BirminghamChicago
BHM - ORD
BHMORD
Birmingham
Sat 5/2
2:20 pm-6:48 pm
1 stop4h 28m
Chicago O'Hare Intl
Tue 5/5
8:15 am-11:55 am
1 stop3h 40m
$296
BirminghamChicago
BHM - MDW
BHMMDW
Birmingham
Mon 5/18
7:05 pm-11:55 pm
1 stop4h 50m
Chicago Midway
Wed 5/20
5:30 am-10:40 am
1 stop5h 10m
$296
BirminghamChicago
BHM - ORD
BHMORD
Birmingham
Sat 5/2
12:40 pm-9:55 pm
2 stops9h 15m
Chicago O'Hare Intl
Tue 5/5
1:35 pm-8:15 pm
1 stop6h 40m
$301
BirminghamChicago
BHM - ORD
BHMORD
Birmingham
Mon 5/18
11:25 am-9:55 pm
1 stop10h 30m
Chicago O'Hare Intl
Wed 5/20
1:35 pm-8:15 pm
1 stop6h 40m
$301
BirminghamChicago
BHM - ORD
BHMORD
Birmingham
Tue 3/31
5:37 pm-7:59 pm
Nonstop2h 22m
Chicago O'Hare Intl
Wed 4/1
7:50 pm-9:49 pm
Nonstop1h 59m
$313
BirminghamSt. Louis
BHM - STL
BHMSTL
Birmingham
Tue 3/3
4:56 pm-10:14 pm
1 stop5h 18m
Lambert-St Louis
Wed 3/4
6:00 am-2:01 pm
1 stop8h 01m
$315
Showing 1-10 of 55 results
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.
BHM-MDW
BHM-ORD
BHM-STL
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
BHM-USIL
BHM-MDW
BHM-ORD
BHM-STL
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 February 4, 2026.
It’s optimal to fly from Birmingham, Alabama to Illinois in the afternoon. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the evening.
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 February 4, 2026.
The most flights from BHM to USIL are scheduled on a Wednesday (15 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 February 4, 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.
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Birmingham to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Birmingham to Illinois by cabin class
Find flights from Birmingham to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Birmingham and Illinois flights
Browse other Birmingham and Illinois flight options. Last updated on February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Birmingham to Illinois flights
Consider these flights traveling from Birmingham to Illinois.
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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$537 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$201 | Average$364 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$240 | Average$393 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$251 | Average$391 | FlexibilityNo cancel fee | On-time69% |