$159+ Cheap flights from Baton Rouge (BTR) 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BTR — ORD
Jun 10 — Jun 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Baton Rouge 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 Baton Rouge to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from Baton Rouge to IllinoisExplore the most affordable flight options available from Baton Rouge to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
Explore the most affordable flight options available from Baton Rouge to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Wed 7/16:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/9![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 5/6. 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 6/134:07 pm
BTR
- ORD
1 stop4h 52m
Delta
Tue 6/166:35 am
ORD
- BTR
1 stop6h 12m
Delta
Deal found 5/6![Delta logo]()
$303
This American Airlines deal was found by Cheapflights users on 5/7. 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 6/236:16 pm
BTR
- STL
1 stop5h 43m
American Airlines
Tue 6/305:29 am
STL
- BTR
1 stop5h 16m
American Airlines
Deal found 5/7![American Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 5/6. 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 6/224:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Tue 6/306:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/6![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 5/6. 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 5/287:04 pm
BTR
- ORD
1 stop4h 55m
Delta
Mon 6/17:07 am
ORD
- BTR
1 stop5h 42m
Delta
Deal found 5/6![Delta logo]()
$306
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/277:36 pm
BTR
- STL
1 stop4h 23m
American Airlines
Mon 6/295:29 am
STL
- BTR
1 stop5h 31m
American Airlines
Deal found 5/6![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 5/6. 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 6/127:08 pm
BTR
- ORD
1 stop4h 51m
Delta
Sun 6/145:30 am
ORD
- BTR
1 stop7h 18m
Delta
Deal found 5/6![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 5/6. 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 6/57:04 pm
BTR
- STL
1 stop4h 55m
Delta
Sun 6/76:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 5/6![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Mon 6/296:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/9![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 5/7. 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 5/287:04 pm
BTR
- ORD
1 stop4h 55m
Delta
Sun 5/317:07 am
ORD
- BTR
1 stop5h 42m
Delta
Deal found 5/7![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 5/10. 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 5/297:04 pm
BTR
- STL
1 stop4h 55m
Delta
Sun 5/316:00 am
STL
- BTR
1 stop6h 49m
Delta
Deal found 5/10![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/144:00 pm
BTR
- MDW
1 stop6h 15m
Delta
Tue 7/2111:05 am
MDW
- BTR
1 stop7h 14m
Delta
Deal found 5/8![Delta logo]()
$313
Best flights from Baton Rouge to IllinoisDiscover carefully curated flight deals from Baton Rouge to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
Discover carefully curated flight deals from Baton Rouge to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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 7/74:00 pm
BTR
- MDW
1 stop6h 15m
Delta
Sat 7/114:22 pm
MDW
- BTR
1 stop4h 29m
Delta
Deal found 5/5![Delta logo]()
$303
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Fri 7/36:28 pm
BTR
- STL
1 stop5h 29m
American Airlines
Tue 7/78:36 am
STL
- BTR
1 stop5h 06m
American Airlines
Deal found 5/7![American Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:05 pm
BTR
- ORD
2 stops16h 23m
United Airlines
Tue 7/76:30 am
ORD
- BTR
1 stop4h 50m
United Airlines
Deal found 5/10![United Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 5/6. 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 7/161:27 pm
BTR
- ORD
1 stop7h 06m
Delta
Tue 7/219:45 am
ORD
- BTR
1 stop5h 24m
Delta
Deal found 5/6![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 5/6. 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 7/37:08 pm
BTR
- ORD
1 stop4h 51m
Delta
Sun 7/55:30 am
ORD
- BTR
1 stop7h 17m
Delta
Deal found 5/6![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 5/6. 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 6/57:04 pm
BTR
- STL
1 stop4h 55m
Delta
Sun 6/76:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 5/6![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 5/7. 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 5/297:04 pm
BTR
- ORD
1 stop4h 55m
Delta
Sun 5/317:07 am
ORD
- BTR
1 stop5h 42m
Delta
Deal found 5/7![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 5/10. 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.
Tue 6/237:06 pm
BTR
- ORD
1 stop4h 53m
Delta
Sun 6/285:30 am
ORD
- BTR
1 stop7h 17m
Delta
Deal found 5/10![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:06 pm
BTR
- STL
1 stop4h 47m
Delta
Tue 7/219:24 am
STL
- BTR
1 stop5h 45m
Delta
Deal found 5/8![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:09 pm
BTR
- ORD
1 stop6h 36m
United Airlines
Mon 7/69:20 pm
ORD
- BTR
2 stops14h 00m
United Airlines
Deal found 5/10![United Airlines logo]()
$546
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:00 pm
BTR
- ORD
1 stop7h 53m
Delta
Mon 7/205:30 am
ORD
- BTR
1 stop4h 09m
Delta
Deal found 5/8![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 5/10. 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 6/121:32 pm
BTR
- ORD
1 stop7h 00m
Delta
Mon 6/159:48 am
ORD
- BTR
1 stop5h 24m
Delta
Deal found 5/10![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:35 am
BTR
- MLI
2 stops9h 56m
United Airlines
Sat 8/296:00 am
MLI
- BTR
2 stops9h 30m
United Airlines
Deal found 5/10![United Airlines logo]()
$573
This Delta deal was found by Cheapflights users on 5/7. 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 6/127:08 pm
BTR
- ORD
1 stop4h 51m
Delta
Thu 6/188:08 am
ORD
- BTR
1 stop4h 39m
Delta
Deal found 5/7![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:15 am
BTR
- PIA
2 stops7h 45m
United Airlines
Sat 8/226:05 am
PIA
- BTR
2 stops9h 25m
United Airlines
Deal found 5/10![United Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:04 pm
BTR
- STL
1 stop4h 55m
Delta
Fri 6/1210:51 am
STL
- BTR
1 stop4h 21m
Delta
Deal found 5/9![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:29 am
BTR
- STL
1 stop4h 09m
Delta
Sun 9/203:42 pm
STL
- BTR
1 stop6h 16m
Delta
Deal found 5/8![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 5/6. 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 5/276:03 am
BTR
- STL
1 stop6h 22m
Delta
Thu 5/287:05 am
STL
- BTR
1 stop5h 44m
Delta
Deal found 5/6![Delta logo]()
$325
This Delta deal was found by Cheapflights users on 5/7. 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 6/236:11 am
BTR
- MDW
1 stop5h 54m
Delta
Sun 6/284:25 pm
MDW
- BTR
1 stop5h 30m
Delta
Deal found 5/7![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:35 am
BTR
- PIA
2 stops13h 10m
United Airlines
Thu 5/282:33 pm
PIA
- BTR
2 stops8h 13m
United Airlines
Deal found 5/8![United Airlines logo]()
$867
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:00 pm
BTR
- MDW
1 stop6h 15m
Delta
Sun 7/266:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/9![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:48 pm
BTR
- MDW
1 stop5h 21m
Delta
Mon 6/86:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/9![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 5/7. 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 6/304:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Thu 7/26:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/7![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 5/7. 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 6/124:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Sun 6/146:00 am
MDW
- BTR
1 stop6h 48m
Delta
Deal found 5/7![Delta logo]()
$433
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:19 am
BTR
- MDW
1 stop5h 37m
Delta
Mon 7/205:10 pm
MDW
- BTR
1 stop4h 46m
Delta
Deal found 5/8![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:27 am
BTR
- MDW
1 stop5h 49m
Delta
Tue 6/306:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/8![Delta logo]()
$471
This Delta deal was found by Cheapflights users on 5/6. 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 6/144:17 pm
BTR
- MDW
1 stop6h 00m
Delta
Wed 6/176:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/6![Delta logo]()
$478
This Delta deal was found by Cheapflights users on 5/11. 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.
Sun 6/216:11 am
BTR
- ORD
1 stop6h 25m
Delta
Wed 6/246:35 am
ORD
- BTR
1 stop6h 12m
Delta
Deal found 5/11![Delta logo]()
$488
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:06 pm
BTR
- STL
2 stops14h 25m
Delta
Wed 7/1510:51 am
STL
- BTR
1 stop4h 18m
Delta
Deal found 5/8![Delta logo]()
$507
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:00 pm
BTR
- STL
2 stops18h 28m
Delta
Thu 7/1610:51 am
STL
- BTR
1 stop4h 18m
Delta
Deal found 5/8![Delta logo]()
$509
Last-minute flights from Baton Rouge to IllinoisDiscover last-minute flight deals from Baton Rouge to Illinois. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from Baton Rouge to Illinois. Data last updated May 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/6. 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 5/287:04 pm
BTR
- ORD
1 stop4h 55m
Delta
Mon 6/17:07 am
ORD
- BTR
1 stop5h 42m
Delta
Deal found 5/6![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 5/10. 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 5/297:04 pm
BTR
- STL
1 stop4h 55m
Delta
Sun 5/316:00 am
STL
- BTR
1 stop6h 49m
Delta
Deal found 5/10![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 5/6. 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 6/57:04 pm
BTR
- STL
1 stop4h 55m
Delta
Sun 6/76:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 5/6![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 5/7. 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 6/104:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Tue 6/2311:05 am
MDW
- BTR
1 stop7h 15m
Delta
Deal found 5/7![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 5/6. 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 6/127:08 pm
BTR
- ORD
1 stop4h 51m
Delta
Sun 6/145:30 am
ORD
- BTR
1 stop7h 18m
Delta
Deal found 5/6![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 5/6. 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 6/134:07 pm
BTR
- ORD
1 stop4h 52m
Delta
Tue 6/166:35 am
ORD
- BTR
1 stop6h 12m
Delta
Deal found 5/6![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 5/6. 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 6/224:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Tue 6/306:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/6![Delta logo]()
$306
This American Airlines deal was found by Cheapflights users on 5/7. 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 6/236:16 pm
BTR
- STL
1 stop5h 43m
American Airlines
Tue 6/305:29 am
STL
- BTR
1 stop5h 16m
American Airlines
Deal found 5/7![American Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:32 pm
BTR
- ORD
1 stop5h 10m
Delta
Wed 7/16:35 am
ORD
- BTR
1 stop6h 12m
Delta
Deal found 5/8![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Wed 7/16:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/9![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Mon 6/296:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 5/9![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/277:36 pm
BTR
- STL
1 stop4h 23m
American Airlines
Mon 6/295:29 am
STL
- BTR
1 stop5h 31m
American Airlines
Deal found 5/6![American Airlines logo]()
$307
One-way flights from Baton Rouge to IllinoisSearch for one-way flight options from Baton Rouge to Illinois. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
Search for one-way flight options from Baton Rouge to Illinois. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This Delta deal was found by Cheapflights users on 5/6. 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 9/176:00 am
BTR
- STL
1 stop6h 53m
Delta
Deal found 5/6![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 5/7. 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 5/287:04 pm
BTR
- ORD
1 stop4h 55m
Delta
Deal found 5/7![Delta logo]()
$199
This Delta deal was found by Cheapflights users on 5/5. 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 6/2910:29 am
BTR
- MDW
1 stop5h 11m
Delta
Deal found 5/5![Delta logo]()
$220
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/87:36 pm
BTR
- ORD
1 stop5h 03m
American Airlines
Deal found 5/6![American Airlines logo]()
$220
This American Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:36 pm
BTR
- ORD
1 stop5h 03m
American Airlines
Deal found 5/8![American Airlines logo]()
$224
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Deal found 5/8![Delta logo]()
$225
This American Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:28 pm
BTR
- ORD
1 stop5h 30m
American Airlines
Deal found 5/8![American Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 5/6. 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 7/244:00 pm
BTR
- MDW
1 stop6h 15m
Delta
Deal found 5/6![Delta logo]()
$230
This Delta deal was found by Cheapflights users on 5/6. 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 7/241:27 pm
BTR
- ORD
1 stop5h 18m
Delta
Deal found 5/6![Delta logo]()
$230
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/121:32 pm
BTR
- ORD
1 stop5h 10m
Delta
Deal found 5/8![Delta logo]()
$235
This Delta deal was found by Cheapflights users on 5/6. 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 6/86:11 am
BTR
- MDW
1 stop5h 54m
Delta
Deal found 5/6![Delta logo]()
$250
This American Airlines deal was found by Cheapflights users on 5/7. 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 6/46:28 pm
BTR
- ORD
1 stop5h 30m
American Airlines
Deal found 5/7![American Airlines logo]()
$260
Find flight deals from Baton Rouge to Illinois
Keep the following information in mind while searching for Baton Rouge to Illinois flight deals. Data was last updated May 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (Delta) |
One-way from | $159 (Delta) |
Popular in | April |
Cheapest in | August |
Average price | $303 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baton Rouge 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 May 11, 2026.
Use the filters below to find and compare flights from Baton Rouge to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Baton RougeChicago
BTR - MDW
BTRMDW
Baton Rouge Ryan
Tue 7/7
4:00 pm-10:15 pm
1 stop6h 15m
Chicago Midway
Sat 7/11
4:22 pm-8:51 pm
1 stop4h 29m
$303
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Fri 7/3
6:28 pm-11:57 pm
1 stop5h 29m
Lambert-St Louis
Tue 7/7
8:36 am-1:42 pm
1 stop5h 06m
$305
Baton RougeChicago
BTR - ORD
BTRORD
Baton Rouge Ryan
Thu 7/16
1:27 pm-8:33 pm
1 stop7h 06m
Chicago O'Hare Intl
Tue 7/21
9:45 am-3:09 pm
1 stop5h 24m
$306
Baton RougeChicago
BTR - ORD
BTRORD
Baton Rouge Ryan
Fri 7/3
7:08 pm-11:59 pm
1 stop4h 51m
Chicago O'Hare Intl
Sun 7/5
5:30 am-12:47 pm
1 stop7h 17m
$306
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Fri 6/5
7:04 pm-11:59 pm
1 stop4h 55m
Lambert-St Louis
Sun 6/7
6:00 am-12:47 pm
1 stop6h 47m
$309
Baton RougeChicago
BTR - ORD
BTRORD
Baton Rouge Ryan
Fri 5/29
7:04 pm-11:59 pm
1 stop4h 55m
Chicago O'Hare Intl
Sun 5/31
7:07 am-12:49 pm
1 stop5h 42m
$311
Baton RougeChicago
BTR - ORD
BTRORD
Baton Rouge Ryan
Tue 6/23
7:06 pm-11:59 pm
1 stop4h 53m
Chicago O'Hare Intl
Sun 6/28
5:30 am-12:47 pm
1 stop7h 17m
$311
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Mon 7/13
7:06 pm-11:53 pm
1 stop4h 47m
Lambert-St Louis
Tue 7/21
9:24 am-3:09 pm
1 stop5h 45m
$317
Baton RougeChicago
BTR - ORD
BTRORD
Baton Rouge Ryan
Thu 7/16
4:00 pm-11:53 pm
1 stop7h 53m
Chicago O'Hare Intl
Mon 7/20
5:30 am-9:39 am
1 stop4h 09m
$319
Baton RougeChicago
BTR - ORD
BTRORD
Baton Rouge Ryan
Fri 6/12
1:32 pm-8:32 pm
1 stop7h 00m
Chicago O'Hare Intl
Mon 6/15
9:48 am-3:12 pm
1 stop5h 24m
$319
Showing 1-10 of 49 resultsSorted by cheapest first
Best time to book a flight from Baton Rouge to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Baton Rouge with our price prediction graph.
BTR-MDW
BTR-ORD
BTR-STL
BTR-MLI
BTR-PIA
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 Baton Rouge to Illinois
BTR-USIL
BTR-MDW
BTR-ORD
BTR-STL
BTR-MLI
What is the cheapest month to book a flight from Baton Rouge to Illinois?
Currently, September is the cheapest month in which you can book a flight from Baton Rouge to Illinois (average of $196). Flying from Baton Rouge to Illinois in June is currently the most expensive (average of $313). 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.
How much does it cost to fly round-trip from Baton Rouge to Illinois?
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 May 11, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Baton Rouge to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Baton Rouge 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 Baton Rouge 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 Baton Rouge to Illinois by cabin class
Find flights from Baton Rouge to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baton Rouge and Illinois flights
Browse other Baton Rouge and Illinois flight options. Last updated on May 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Baton Rouge to Illinois flights
Consider these flights traveling from Baton Rouge to Illinois.
Top 3 airlines flying from Baton Rouge to Illinois
Discover the top 3 airlines that operate flights from Baton Rouge 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 May 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$368 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$253 | Average$348 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$318 | FlexibilityNo cancel fee | On-time69% |