$157+ Cheap flights from Illinois to Baton Rouge (BTR)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BTR
Sep 7 — Sep 141
Round-trip
1 adult, Economy
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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 Illinois to Baton RougeExplore the most affordable flight options available from Illinois to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 8, 2026.
Explore the most affordable flight options available from Illinois to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 8, 2026.
This Delta deal was found by Cheapflights users on 8/5. 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.
Sat 9/196:05 am -
1 stop6h 47m
Sat 9/2610:29 am -
1 stop4h 55m
Deal found 8/5![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 8/5. 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.
Sat 9/195:30 am -
1 stop7h 22m
Sat 9/261:32 pm -
1 stop5h 24m
Deal found 8/5![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:00 pm -
1 stop5h 12m
Sat 9/265:28 pm -
1 stop6h 02m
Deal found 8/5![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 8/4. 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 8/2510:54 am -
1 stop4h 14m
Tue 9/84:00 pm -
1 stop6h 44m
Deal found 8/4![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 8/3. 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.
Fri 9/115:30 am -
1 stop7h 22m
Sun 9/135:46 pm -
1 stop6h 13m
Deal found 8/3![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 8/3. 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.
Thu 9/1010:40 am -
1 stop4h 21m
Mon 9/141:32 pm -
1 stop6h 26m
Deal found 8/3![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 8/4. 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.
Thu 8/2710:54 am -
1 stop4h 14m
Tue 9/110:26 am -
1 stop5h 18m
Deal found 8/4![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 8/4. 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.
Fri 8/285:30 am -
1 stop4h 09m
Tue 9/110:26 am -
1 stop6h 25m
Deal found 8/4![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 8/5. 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.
Fri 10/165:35 pm -
1 stop4h 21m
Mon 10/195:53 pm -
1 stop6h 01m
Deal found 8/5![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:12 pm -
1 stop6h 04m
Sat 10/1012:05 pm -
2 stops9h 16m
Deal found 8/6![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 8/7. 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 8/266:05 am -
1 stop6h 42m
Sat 8/294:00 pm -
1 stop6h 36m
Deal found 8/7![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 8/202:57 pm -
1 stop6h 33m
Mon 12/146:10 pm -
1 stop5h 49m
Deal found 8/6![American Airlines logo]()
$334
Best flights from Illinois to Baton RougeDiscover carefully curated flight deals from Illinois to Baton Rouge that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
Discover carefully curated flight deals from Illinois to Baton Rouge that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 9/151:46 pm -
1 stop6h 26m
Tue 9/222:29 pm -
1 stop7h 35m
Deal found 8/3![American Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 8/5. 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.
Wed 9/26:05 am -
1 stop6h 42m
Wed 9/96:03 am -
1 stop4h 33m
Deal found 8/5![Delta logo]()
$316
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:34 am -
1 stop7h 04m
Sun 11/16:15 pm -
1 stop5h 11m
Deal found 8/6![United Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 8/3. 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.
Thu 9/1010:40 am -
1 stop4h 21m
Mon 9/141:32 pm -
1 stop6h 26m
Deal found 8/3![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:12 pm -
1 stop6h 04m
Sat 10/1012:05 pm -
2 stops9h 16m
Deal found 8/6![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 8/4. 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.
Fri 8/285:30 am -
1 stop4h 09m
Tue 9/110:26 am -
1 stop6h 25m
Deal found 8/4![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 8/6. 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 12/105:37 pm -
1 stop4h 25m
Thu 12/176:59 pm -
1 stop4h 57m
Deal found 8/6![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 9/311:32 am -
1 stop6h 10m
Wed 9/95:28 pm -
1 stop5h 50m
Deal found 8/6![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 8/3. 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 1/57:45 am -
1 stop5h 37m
Sat 1/96:45 pm -
1 stop5h 30m
Deal found 8/3![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 8/6. 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 8/216:05 am -
1 stop6h 42m
Tue 8/253:57 pm -
1 stop6h 39m
Deal found 8/6![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/611:00 am -
1 stop4h 51m
Sat 1/94:04 pm -
1 stop6h 02m
Deal found 8/4![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 8/7. 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 8/216:05 am -
1 stop6h 42m
Sun 8/2310:26 am -
1 stop5h 49m
Deal found 8/7![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:00 am -
2 stops9h 43m
Sat 10/31:55 pm -
1 stop6h 21m
Deal found 8/7![United Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 8/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:01 pm -
1 stop5h 54m
Mon 8/246:14 pm -
1 stop5h 13m
Deal found 8/4![American Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 8/3. 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.
Fri 1/155:30 am -
1 stop7h 20m
Mon 1/187:00 pm -
1 stop4h 50m
Deal found 8/3![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:15 am -
1 stop6h 18m
Tue 9/812:00 pm -
2 stops10h 00m
Deal found 8/6![United Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 8/8. 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 11/176:45 am -
1 stop6h 13m
Fri 11/206:59 pm -
1 stop5h 00m
Deal found 8/8![Delta logo]()
$386
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:45 am -
2 stops9h 45m
Wed 8/2612:00 pm -
2 stops10h 43m
Deal found 8/7![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 8/6. 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 10/96:30 am -
1 stop7h 24m
Sun 10/111:43 pm -
1 stop7h 09m
Deal found 8/6![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 1/92:26 pm -
2 stops8h 30m
Tue 1/122:06 pm -
2 stops6h 52m
Deal found 8/3![United Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 8/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:21 am -
2 stops10h 20m
Sun 10/115:50 am -
1 stop5h 13m
Deal found 8/4![American Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:45 am -
2 stops9h 06m
Tue 12/85:00 am -
2 stops7h 35m
Deal found 8/7![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 8/6. 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 11/128:04 am -
1 stop7h 03m
Sun 11/156:59 pm -
1 stop5h 00m
Deal found 8/6![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 1/93:30 pm -
2 stops7h 26m
Tue 1/125:00 am -
2 stops6h 51m
Deal found 8/3![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 8/6. 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 8/286:25 am -
1 stop6h 22m
Mon 8/316:07 am -
1 stop6h 55m
Deal found 8/6![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:29 pm -
2 stops15h 48m
Sun 9/136:14 pm -
1 stop5h 13m
Deal found 8/4![United Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 8/4. 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.
Thu 11/58:05 am -
1 stop4h 50m
Sun 11/85:53 pm -
1 stop5h 59m
Deal found 8/4![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:20 pm -
2 stops9h 36m
Wed 12/95:00 am -
2 stops6h 51m
Deal found 8/7![United Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 8/4. 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.
Fri 9/2512:39 pm -
1 stop4h 25m
Sun 9/276:03 am -
1 stop5h 51m
Deal found 8/4![Delta logo]()
$484
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 9/196:05 am -
2 stops9h 25m
Sat 9/2612:05 pm -
2 stops10h 53m
Deal found 8/3![United Airlines logo]()
$497
Last-minute flights from Illinois to Baton RougeDiscover last-minute flight deals from Illinois to Baton Rouge. Data last updated August 8, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Baton Rouge. Data last updated August 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 8/202:57 pm -
1 stop6h 33m
Mon 12/146:10 pm -
1 stop5h 49m
Deal found 8/6![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 8/7. 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 8/216:05 am -
1 stop6h 42m
Sun 8/2310:26 am -
1 stop5h 49m
Deal found 8/7![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 8/4. 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.
Fri 8/218:05 am -
1 stop7h 03m
Sun 8/231:27 pm -
1 stop7h 28m
Deal found 8/4![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 8/4. 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 8/2510:54 am -
1 stop4h 14m
Tue 9/84:00 pm -
1 stop6h 44m
Deal found 8/4![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 8/7. 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 8/266:05 am -
1 stop6h 42m
Sat 8/294:00 pm -
1 stop6h 36m
Deal found 8/7![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 8/4. 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.
Thu 8/2710:54 am -
1 stop4h 14m
Tue 9/110:26 am -
1 stop5h 18m
Deal found 8/4![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 8/4. 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.
Fri 8/285:30 am -
1 stop4h 09m
Tue 9/110:26 am -
1 stop6h 25m
Deal found 8/4![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 8/3. 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.
Thu 9/1010:40 am -
1 stop4h 21m
Mon 9/141:32 pm -
1 stop6h 26m
Deal found 8/3![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 8/3. 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.
Fri 9/115:30 am -
1 stop7h 22m
Sun 9/135:46 pm -
1 stop6h 13m
Deal found 8/3![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 8/5. 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.
Sat 9/196:05 am -
1 stop6h 47m
Sat 9/2610:29 am -
1 stop4h 55m
Deal found 8/5![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 8/5. 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.
Sat 9/195:30 am -
1 stop7h 22m
Sat 9/261:32 pm -
1 stop5h 24m
Deal found 8/5![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:00 pm -
1 stop5h 12m
Sat 9/265:28 pm -
1 stop6h 02m
Deal found 8/5![American Airlines logo]()
$314
One-way flights from Illinois to Baton RougeSearch for one-way flight options from Illinois to Baton Rouge. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
Search for one-way flight options from Illinois to Baton Rouge. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:45 am -
1 stop6h 01m
Deal found 8/5![American Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:50 am -
1 stop6h 39m
Deal found 8/7![United Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 8/5. 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 8/316:05 am -
1 stop6h 42m
Deal found 8/5![Delta logo]()
$178
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:30 am -
1 stop8h 00m
Deal found 8/7![United Airlines logo]()
$178
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 9/283:50 pm -
1 stop7h 03m
Deal found 8/7![American Airlines logo]()
$181
This American Airlines deal was found by Cheapflights users on 8/3. 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 9/276:00 am -
1 stop4h 51m
Deal found 8/3![American Airlines logo]()
$201
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 9/35:42 am -
1 stop5h 00m
Deal found 8/6![American Airlines logo]()
$220
This Delta deal was found by Cheapflights users on 8/3. 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 1/23:35 pm -
1 stop6h 26m
Deal found 8/3![Delta logo]()
$246
This Delta deal was found by Cheapflights users on 8/6. 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 1/25:25 pm -
1 stop4h 36m
Deal found 8/6![Delta logo]()
$251
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 9/46:15 am -
1 stop4h 58m
Deal found 8/3![United Airlines logo]()
$266
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 10/154:38 pm -
1 stop6h 18m
Deal found 8/6![American Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:30 am -
1 stop5h 43m
Deal found 8/4![United Airlines logo]()
$274
Find flight deals from Illinois to Baton Rouge
Keep the following information in mind while searching for Illinois to Baton Rouge flight deals. Data was last updated August 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (Delta) |
One-way from | $157 (American Airlines) |
Popular in | April |
Cheapest in | May |
Average price | $283 |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Baton Rouge 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 August 8, 2026.
Use the filters below to find and compare flights from Illinois to Baton Rouge that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBaton Rouge
ORD Chicago O'Hare Intl - BTR Baton Rouge Ryan
ORDBTR
Chicago O'Hare Intl
Tue 9/15
1:46 pm-8:12 pm
1 stop6h 26m
Baton Rouge Ryan
Tue 9/22
2:29 pm-10:04 pm
1 stop7h 35m
$313
ChicagoBaton Rouge
MDW Chicago Midway - BTR Baton Rouge Ryan
MDWBTR
Chicago Midway
Wed 9/2
6:05 am-12:47 pm
1 stop6h 42m
Baton Rouge Ryan
Wed 9/9
6:03 am-10:36 am
1 stop4h 33m
$316
ChicagoBaton Rouge
ORD Chicago O'Hare Intl - BTR Baton Rouge Ryan
ORDBTR
Chicago O'Hare Intl
Tue 10/27
10:34 am-5:38 pm
1 stop7h 04m
Baton Rouge Ryan
Sun 11/1
6:15 pm-11:26 pm
1 stop5h 11m
$316
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Thu 9/10
10:40 am-3:01 pm
1 stop4h 21m
Baton Rouge Ryan
Mon 9/14
1:32 pm-7:58 pm
1 stop6h 26m
$317
ChicagoBaton Rouge
ORD Chicago O'Hare Intl - BTR Baton Rouge Ryan
ORDBTR
Chicago O'Hare Intl
Fri 8/28
5:30 am-9:39 am
1 stop4h 09m
Baton Rouge Ryan
Tue 9/1
10:26 am-4:51 pm
1 stop6h 25m
$319
Quickest round-trip
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Thu 12/10
5:37 pm-10:02 pm
1 stop4h 25m
Baton Rouge Ryan
Thu 12/17
6:59 pm-11:56 pm
1 stop4h 57m
$319
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Thu 10/1
3:12 pm-9:16 pm
1 stop6h 04m
Baton Rouge Ryan
Sat 10/10
12:05 pm-9:21 pm
2 stops9h 16m
$322
ChicagoBaton Rouge
MDW Chicago Midway - BTR Baton Rouge Ryan
MDWBTR
Chicago Midway
Fri 8/21
6:05 am-12:47 pm
1 stop6h 42m
Baton Rouge Ryan
Tue 8/25
3:57 pm-10:36 pm
1 stop6h 39m
$349
ChicagoBaton Rouge
MDW Chicago Midway - BTR Baton Rouge Ryan
MDWBTR
Chicago Midway
Fri 8/21
6:05 am-12:47 pm
1 stop6h 42m
Baton Rouge Ryan
Sun 8/23
10:26 am-4:15 pm
1 stop5h 49m
$349
ChicagoBaton Rouge
ORD Chicago O'Hare Intl - BTR Baton Rouge Ryan
ORDBTR
Chicago O'Hare Intl
Fri 1/15
5:30 am-12:50 pm
1 stop7h 20m
Baton Rouge Ryan
Mon 1/18
7:00 pm-11:50 pm
1 stop4h 50m
$359
Showing 1-10 of 55 resultsSorted by cheapest first
Best time to book a flight from Illinois to Baton Rouge
Have a flexible travel schedule? Discover the best time to fly to Baton Rouge from Illinois with our price prediction graph.
ORD-BTR
MDW-BTR
STL-BTR
MLI-BTR
PIA-BTR
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 Illinois to Baton Rouge
USIL-BTR
ORD-BTR
MDW-BTR
STL-BTR
MLI-BTR
What is the cheapest month to book a flight from Illinois to Baton Rouge?
Currently, August is the cheapest month in which you can book a flight from Illinois to Baton Rouge (average of $310). Flying from Illinois to Baton Rouge in April is currently the most expensive (average of $486). 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.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Baton Rouge. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Baton Rouge?
Book flights to Baton Rouge if you plan to visit one of these locationsMcComb
Saint Francisville
Denham Springs
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes
Baton Rouge flight routes
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Alternative routes for Illinois to Baton Rouge
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Other flights to Baton Rouge
Explore flights to Baton Rouge departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 8, 2026.
Complete your trip
Complete your trip to Baton Rouge by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Baton Rouge by cabin class
Find flights from Illinois to Baton Rouge, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Baton Rouge flights
Browse other Illinois and Baton Rouge flight options. Last updated on August 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Baton Rouge flights
Consider these flights traveling from Illinois to Baton Rouge.
Top 3 airlines flying from Illinois to Baton Rouge
Discover the top 3 airlines that operate flights from Illinois to Baton Rouge. 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 August 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$253 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$348 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$357 | FlexibilityNo cancel fee | On-time71% |