$191+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
BTR — ORD
Jul 25 — Aug 11
Round-trip
1 adult, Economy
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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
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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 June 25, 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 June 25, 2026.
This Delta deal was found by Cheapflights users on 6/23. 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 7/34:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Thu 7/96:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 6/23![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 6/23. 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
Thu 7/99:45 am
ORD
- BTR
1 stop5h 24m
Delta
Deal found 6/23![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:07 pm
BTR
- MDW
1 stop6h 08m
Delta
Tue 7/285:10 pm
MDW
- BTR
1 stop4h 46m
Delta
Deal found 6/22![Delta logo]()
$303
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:16 pm
BTR
- ORD
1 stop6h 34m
American Airlines
Wed 8/55:00 am
ORD
- BTR
1 stop5h 42m
American Airlines
Deal found 6/24![American Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 6/23. 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 11/101:40 pm
BTR
- STL
1 stop7h 09m
Delta
Tue 11/1711:51 am
STL
- BTR
1 stop6h 39m
Delta
Deal found 6/23![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 6/20. 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 7/167:04 pm
BTR
- ORD
1 stop4h 49m
Delta
Tue 7/218:03 am
ORD
- BTR
1 stop4h 44m
Delta
Deal found 6/20![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 6/23. 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 11/121:40 pm
BTR
- STL
1 stop4h 21m
Delta
Sat 11/146:00 am
STL
- BTR
1 stop6h 50m
Delta
Deal found 6/23![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 6/23. 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 8/121:27 pm
BTR
- ORD
1 stop5h 22m
Delta
Wed 8/191:59 pm
ORD
- BTR
2 stops8h 02m
Delta
Deal found 6/23![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 6/22. 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 7/134:00 pm
BTR
- MDW
1 stop6h 15m
Delta
Tue 7/2112:41 pm
MDW
- BTR
1 stop5h 38m
Delta
Deal found 6/22![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 6/23. 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 11/203:20 pm
BTR
- ORD
1 stop5h 50m
Delta
Mon 11/231:15 pm
ORD
- BTR
1 stop5h 15m
Delta
Deal found 6/23![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 6/23. 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 11/51:40 pm
BTR
- STL
1 stop7h 09m
Delta
Mon 11/94:40 pm
STL
- BTR
1 stop5h 21m
Delta
Deal found 6/23![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 6/20. 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 8/129:35 am
BTR
- STL
2 stops12h 25m
United Airlines
Wed 8/2611:15 am
STL
- BTR
1 stop4h 15m
United Airlines
Deal found 6/20![United Airlines logo]()
$310
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 June 25, 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 June 25, 2026.
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:07 pm
BTR
- MDW
1 stop6h 08m
Delta
Tue 7/285:10 pm
MDW
- BTR
1 stop4h 46m
Delta
Deal found 6/22![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 6/23. 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 11/145:00 am
BTR
- ORD
1 stop5h 11m
United Airlines
Tue 11/177:40 am
ORD
- BTR
1 stop7h 52m
United Airlines
Deal found 6/23![United Airlines logo]()
$383
This KAYAK deal was found by Cheapflights users on 6/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:16 pm
BTR
- STL
1 stop5h 36m
American Airlines
Sun 7/125:32 am
STL
- BTR
1 stop5h 26m
American Airlines
Deal found 6/22![American Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 6/24. 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 11/203:20 pm
BTR
- MDW
1 stop6h 50m
Delta
Mon 11/231:00 pm
MDW
- BTR
2 stops9h 01m
Delta
Deal found 6/24![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 6/24. 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 11/201:40 pm
BTR
- ORD
1 stop7h 30m
Delta
Mon 11/237:05 am
ORD
- BTR
2 stops7h 45m
Delta
Deal found 6/24![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 6/21. 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 12/55:00 am
BTR
- STL
1 stop4h 42m
United Airlines
Tue 12/811:00 am
STL
- BTR
1 stop4h 51m
United Airlines
Deal found 6/21![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 6/21. 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 7/51:32 pm
BTR
- ORD
1 stop7h 00m
Delta
Thu 7/165:30 am
ORD
- BTR
1 stop4h 09m
Delta
Deal found 6/21![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/21. 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 8/65:00 am
BTR
- STL
1 stop5h 07m
United Airlines
Mon 8/106:14 am
STL
- BTR
1 stop5h 06m
United Airlines
Deal found 6/21![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/23. 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 11/105:00 am
BTR
- STL
2 stops10h 41m
United Airlines
Wed 11/1811:00 am
STL
- BTR
1 stop4h 32m
United Airlines
Deal found 6/23![United Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 6/22. 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 9/185:45 pm
BTR
- MDW
1 stop5h 00m
Delta
Sun 9/206:05 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 6/22![Delta logo]()
$360
This United Airlines deal was found by Cheapflights users on 6/23. 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 11/105:00 am
BTR
- STL
2 stops10h 41m
United Airlines
Tue 11/1711:00 am
STL
- BTR
1 stop4h 32m
United Airlines
Deal found 6/23![United Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 6/19. 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 7/189:35 am
BTR
- STL
2 stops11h 51m
United Airlines
Fri 7/246:14 am
STL
- BTR
1 stop5h 06m
United Airlines
Deal found 6/19![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 6/23. 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 8/233:57 pm
BTR
- MDW
1 stop6h 39m
Delta
Fri 8/289:24 am
MDW
- BTR
2 stops9h 02m
Delta
Deal found 6/23![Delta logo]()
$416
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/246:16 pm
BTR
- PIA
1 stop5h 24m
American Airlines
Mon 7/279:50 am
PIA
- BTR
2 stops11h 40m
American Airlines
Deal found 6/20![American Airlines logo]()
$615
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:00 pm
BTR
- MLI
2 stops11h 14m
United Airlines
Wed 9/28:13 am
MLI
- BTR
2 stops9h 20m
United Airlines
Deal found 6/22![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 6/19. 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 7/217:06 pm
BTR
- STL
1 stop4h 47m
Delta
Wed 7/227:08 am
STL
- BTR
1 stop5h 39m
Delta
Deal found 6/19![Delta logo]()
$445
This American Airlines deal was found by Cheapflights users on 6/23. 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 7/246:16 pm
BTR
- PIA
1 stop5h 24m
American Airlines
Sun 7/264:43 pm
PIA
- BTR
1 stop5h 24m
American Airlines
Deal found 6/23![American Airlines logo]()
$656
This United Airlines deal was found by Cheapflights users on 6/21. 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 10/275:00 am
BTR
- PIA
2 stops8h 55m
United Airlines
Sat 10/316:30 am
PIA
- BTR
2 stops9h 02m
United Airlines
Deal found 6/21![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 6/24. 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 9/410:26 am
BTR
- ORD
2 stops10h 04m
Delta
Mon 9/76:40 am
ORD
- BTR
1 stop6h 07m
Delta
Deal found 6/24![Delta logo]()
$448
This United Airlines deal was found by Cheapflights users on 6/24. 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 11/55:00 am
BTR
- STL
2 stops10h 41m
United Airlines
Mon 11/92:56 pm
STL
- BTR
1 stop4h 34m
United Airlines
Deal found 6/24![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 6/24. 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 7/710:25 am
BTR
- MDW
2 stops8h 00m
Delta
Sat 7/116:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 6/24![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 6/20. 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 12/84:04 pm
BTR
- MLI
2 stops8h 10m
United Airlines
Sat 12/122:26 pm
MLI
- BTR
2 stops8h 30m
United Airlines
Deal found 6/20![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 6/24. 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 8/24:00 pm
BTR
- MDW
1 stop6h 16m
Delta
Thu 8/65:10 pm
MDW
- BTR
1 stop4h 51m
Delta
Deal found 6/24![Delta logo]()
$494
This KAYAK deal was found by Cheapflights users on 6/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/194:00 pm
BTR
- MDW
1 stop6h 15m
Delta
Wed 7/226:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 6/22![Delta logo]()
$502
This United Airlines deal was found by Cheapflights users on 6/24. 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 11/312:05 pm
BTR
- PIA
2 stops10h 43m
United Airlines
Sat 11/75:35 pm
PIA
- BTR
2 stops17h 37m
United Airlines
Deal found 6/24![United Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 6/23. 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 10/46:07 am
BTR
- MDW
1 stop5h 48m
Delta
Thu 10/810:35 am
MDW
- BTR
1 stop4h 15m
Delta
Deal found 6/23![Delta logo]()
$505
This Delta deal was found by Cheapflights users on 6/20. 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 7/167:04 pm
BTR
- ORD
1 stop4h 49m
Delta
Tue 7/217:05 am
ORD
- BTR
2 stops8h 04m
Delta
Deal found 6/20![Delta logo]()
$517
This Delta deal was found by Cheapflights users on 6/22. 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 9/1810:24 am
BTR
- ORD
1 stop6h 06m
Delta
Sun 9/206:00 am
ORD
- BTR
2 stops9h 01m
Delta
Deal found 6/22![Delta logo]()
$517
This Delta deal was found by Cheapflights users on 6/21. 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 8/113:57 pm
BTR
- MDW
1 stop6h 39m
Delta
Thu 8/131:25 pm
MDW
- BTR
2 stops8h 36m
Delta
Deal found 6/21![Delta logo]()
$553
Last-minute flights from Baton Rouge to IllinoisDiscover last-minute flight deals from Baton Rouge to Illinois. Data last updated June 25, 2026 and is based on user searches.
Discover last-minute flight deals from Baton Rouge to Illinois. Data last updated June 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/23. 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 7/34:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Thu 7/96:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 6/23![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 6/23. 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
Thu 7/99:45 am
ORD
- BTR
1 stop5h 24m
Delta
Deal found 6/23![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 6/22. 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 7/34:00 pm
BTR
- MDW
1 stop6h 17m
Delta
Sat 7/46:00 am
MDW
- BTR
1 stop6h 47m
Delta
Deal found 6/22![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 6/22. 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 7/77:06 pm
BTR
- ORD
1 stop4h 47m
Delta
Sat 7/115:30 am
ORD
- BTR
1 stop7h 17m
Delta
Deal found 6/22![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:07 pm
BTR
- MDW
1 stop6h 08m
Delta
Tue 7/2112:41 pm
MDW
- BTR
1 stop5h 38m
Delta
Deal found 6/22![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:07 pm
BTR
- ORD
1 stop7h 46m
Delta
Sat 7/185:30 am
ORD
- BTR
1 stop4h 09m
Delta
Deal found 6/23![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 6/22. 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 7/134:00 pm
BTR
- MDW
1 stop6h 15m
Delta
Tue 7/2112:41 pm
MDW
- BTR
1 stop5h 38m
Delta
Deal found 6/22![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 6/20. 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 7/167:04 pm
BTR
- ORD
1 stop4h 49m
Delta
Tue 7/218:03 am
ORD
- BTR
1 stop4h 44m
Delta
Deal found 6/20![Delta logo]()
$306
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:36 pm
BTR
- ORD
1 stop5h 14m
American Airlines
Tue 7/215:00 am
ORD
- BTR
1 stop5h 43m
American Airlines
Deal found 6/24![American Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 6/24. 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 7/247:36 pm
BTR
- STL
1 stop4h 28m
American Airlines
Wed 7/298:38 am
STL
- BTR
1 stop5h 04m
American Airlines
Deal found 6/24![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:07 pm
BTR
- MDW
1 stop6h 08m
Delta
Tue 7/285:10 pm
MDW
- BTR
1 stop4h 46m
Delta
Deal found 6/22![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:25 am
BTR
- ORD
1 stop6h 47m
Delta
Tue 7/288:03 am
ORD
- BTR
1 stop7h 06m
Delta
Deal found 6/22![Delta logo]()
$303
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 June 25, 2026.
Search for one-way flight options from Baton Rouge to Illinois. Find affordable one-way fares based on user searches. Data last updated June 25, 2026.
This Delta deal was found by Cheapflights users on 6/23. 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 8/810:26 am
BTR
- MDW
1 stop5h 12m
Delta
Deal found 6/23![Delta logo]()
$191
This Delta deal was found by Cheapflights users on 6/23. 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 8/86:07 am
BTR
- ORD
1 stop6h 33m
Delta
Deal found 6/23![Delta logo]()
$191
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:07 pm
BTR
- MDW
1 stop6h 08m
Delta
Deal found 6/23![Delta logo]()
$199
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:07 pm
BTR
- ORD
1 stop7h 46m
Delta
Deal found 6/23![Delta logo]()
$199
This Delta deal was found by Cheapflights users on 6/22. 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 9/183:48 pm
BTR
- MDW
1 stop6h 57m
Delta
Deal found 6/22![Delta logo]()
$206
This American Airlines deal was found by Cheapflights users on 6/24. 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 7/246:16 pm
BTR
- ORD
1 stop5h 23m
American Airlines
Deal found 6/24![American Airlines logo]()
$206
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:19 am
BTR
- STL
1 stop5h 58m
Delta
Deal found 6/20![Delta logo]()
$223
This KAYAK deal was found by Cheapflights users on 6/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:36 pm
BTR
- ORD
1 stop5h 14m
American Airlines
Deal found 6/22![American Airlines logo]()
$228
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:21 am
BTR
- STL
1 stop6h 42m
American Airlines
Deal found 6/24![American Airlines logo]()
$232
This KAYAK deal was found by Cheapflights users on 6/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:12 pm
BTR
- ORD
1 stop7h 10m
American Airlines
Deal found 6/22![American Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 6/20. 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 9/134:10 pm
BTR
- ORD
1 stop7h 17m
United Airlines
Deal found 6/20![United Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 6/20. 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 9/143:48 pm
BTR
- MDW
1 stop6h 57m
Delta
Deal found 6/20![Delta logo]()
$250
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 June 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (Delta) |
One-way from | $191 (Delta) |
Popular in | April |
Cheapest in | January |
Average price | $448 |
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 June 25, 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
Sat 7/25
4:07 pm-10:15 pm
1 stop6h 08m
Chicago Midway
Tue 7/28
5:10 pm-9:56 pm
1 stop4h 46m
$303
Baton RougeChicago
BTR - MDW
BTRMDW
Baton Rouge Ryan
Fri 11/20
3:20 pm-10:10 pm
1 stop6h 50m
Chicago Midway
Mon 11/23
1:00 pm-10:01 pm
2 stops9h 01m
$314
Baton RougeChicago
BTR - ORD
BTRORD
Baton Rouge Ryan
Fri 11/20
1:40 pm-9:10 pm
1 stop7h 30m
Chicago O'Hare Intl
Mon 11/23
7:05 am-2:50 pm
2 stops7h 45m
$314
Baton RougeChicago
BTR - ORD
BTRORD
Baton Rouge Ryan
Sun 7/5
1:32 pm-8:32 pm
1 stop7h 00m
Chicago O'Hare Intl
Thu 7/16
5:30 am-9:39 am
1 stop4h 09m
$324
Baton RougeChicago
BTR - MDW
BTRMDW
Baton Rouge Ryan
Fri 9/18
5:45 pm-10:45 pm
1 stop5h 00m
Chicago Midway
Sun 9/20
6:05 am-12:52 pm
1 stop6h 47m
$360
Baton RougeChicago
BTR - ORD
BTRORD
Baton Rouge Ryan
Sat 11/14
5:00 am-10:11 am
1 stop5h 11m
Chicago O'Hare Intl
Tue 11/17
7:40 am-3:32 pm
1 stop7h 52m
$383
Quickest round-trip
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Sat 12/5
5:00 am-9:42 am
1 stop4h 42m
Lambert-St Louis
Tue 12/8
11:00 am-3:51 pm
1 stop4h 51m
$385
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Thu 8/6
5:00 am-10:07 am
1 stop5h 07m
Lambert-St Louis
Mon 8/10
6:14 am-11:20 am
1 stop5h 06m
$389
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Tue 11/10
5:00 am-3:41 pm
2 stops10h 41m
Lambert-St Louis
Wed 11/18
11:00 am-3:32 pm
1 stop4h 32m
$390
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Tue 11/10
5:00 am-3:41 pm
2 stops10h 41m
Lambert-St Louis
Tue 11/17
11:00 am-3:32 pm
1 stop4h 32m
$390
Showing 1-10 of 59 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-SPI
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-SPI
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 $302). 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 June 25, 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.
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
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.
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Alternative routes for Baton Rouge to Illinois
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Complete your trip
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Baton Rouge and Illinois flights
Browse other Baton Rouge and Illinois flight options. Last updated on June 25, 2026.
Popular flight searches
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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 June 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$253 | Average$410 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$253 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$318 | FlexibilityNo cancel fee | On-time69% |