$178+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BTR — ORD
Sep 9 — Sep 161
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 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 August 10, 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 August 10, 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 10/36:07 am -
1 stop4h 29m
Sat 10/104:19 pm -
1 stop4h 34m
Deal found 8/5![Delta logo]()
$313
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.
Wed 9/235:28 pm -
1 stop6h 46m
Tue 9/294:50 pm -
1 stop6h 03m
Deal found 8/7![American Airlines logo]()
$313
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 9/264:30 pm -
1 stop6h 14m
Mon 9/286:05 am -
1 stop6h 47m
Deal found 8/6![Delta logo]()
$316
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.
Sat 9/2610:29 am -
1 stop6h 08m
Mon 9/286:40 am -
1 stop6h 12m
Deal found 8/4![Delta logo]()
$316
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.
Fri 8/2811:14 am -
1 stop6h 51m
Sat 9/510:16 am -
1 stop6h 22m
Deal found 8/6![American Airlines logo]()
$317
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 9/255:50 pm -
1 stop4h 54m
Mon 9/286:05 am -
1 stop6h 47m
Deal found 8/6![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 9/255:50 pm -
1 stop6h 09m
Mon 9/285:30 am -
1 stop7h 22m
Deal found 8/4![Delta logo]()
$319
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.
Thu 11/55:28 pm -
1 stop6h 05m
Mon 11/910:21 am -
1 stop6h 36m
Deal found 8/7![American Airlines 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.
Fri 8/2812:00 pm -
2 stops10h 59m
Sat 9/53:13 pm -
1 stop6h 15m
Deal found 8/6![United Airlines logo]()
$322
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 8/3112:00 pm -
2 stops10h 59m
Sat 9/53:13 pm -
1 stop6h 15m
Deal found 8/7![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:14 pm -
1 stop6h 45m
Sun 8/305:30 am -
1 stop5h 43m
Deal found 8/9![United Airlines logo]()
$334
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 11/214:13 pm -
1 stop5h 23m
Wed 11/255:30 am -
1 stop5h 51m
Deal found 8/7![United Airlines logo]()
$335
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 August 10, 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 August 10, 2026.
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 9/54:00 pm -
1 stop6h 36m
Fri 9/114:30 pm -
1 stop5h 23m
Deal found 8/6![Delta logo]()
$316
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:14 pm -
1 stop5h 12m
Sat 9/126:30 am -
1 stop6h 47m
Deal found 8/9![United Airlines logo]()
$316
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:28 pm -
1 stop6h 05m
Mon 11/910:21 am -
1 stop6h 36m
Deal found 8/8![American Airlines 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.
Sat 9/2610:29 am -
1 stop6h 08m
Mon 9/286:40 am -
1 stop6h 12m
Deal found 8/4![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.
Thu 10/226:58 pm -
1 stop5h 25m
Sat 10/244:11 pm -
1 stop5h 05m
Deal found 8/6![United Airlines logo]()
$316
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.
Fri 8/216:00 am -
1 stop5h 02m
Tue 8/254:32 pm -
1 stop6h 23m
Deal found 8/6![American Airlines logo]()
$349
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.
Fri 9/255:50 pm -
1 stop4h 54m
Mon 9/286:05 am -
1 stop6h 47m
Deal found 8/8![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 9/255:50 pm -
1 stop6h 09m
Mon 9/285:30 am -
1 stop7h 22m
Deal found 8/4![Delta logo]()
$319
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.
Fri 9/254:07 pm -
1 stop6h 23m
Tue 9/298:00 am -
2 stops7h 32m
Deal found 8/7![United Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 8/9. 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 10/296:00 am -
1 stop7h 20m
Mon 11/22:25 pm -
1 stop6h 28m
Deal found 8/9![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:28 pm -
1 stop5h 50m
Sun 10/44:33 pm -
1 stop5h 03m
Deal found 8/9![American Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 8/9. 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 11/133:52 pm -
1 stop5h 41m
Sun 11/155:37 pm -
1 stop4h 25m
Deal found 8/9![Delta logo]()
$319
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:00 am -
1 stop4h 42m
Tue 12/811:00 am -
1 stop4h 51m
Deal found 8/8![United Airlines logo]()
$395
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/305:00 am -
2 stops6h 51m
Tue 2/27:00 am -
2 stops8h 51m
Deal found 8/5![United Airlines logo]()
$409
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.
Sat 8/221:27 pm -
1 stop7h 28m
Sun 8/235:30 am -
1 stop4h 09m
Deal found 8/8![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.
Sat 1/2312:05 pm -
2 stops8h 53m
Wed 1/276:45 am -
2 stops9h 06m
Deal found 8/7![United Airlines logo]()
$409
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 9/47:13 pm -
1 stop4h 45m
Tue 9/86:00 am -
1 stop6h 52m
Deal found 8/5![Delta logo]()
$349
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/305:00 am -
2 stops8h 51m
Tue 2/22:26 pm -
2 stops8h 30m
Deal found 8/5![United Airlines logo]()
$409
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 9/115:46 pm -
1 stop4h 58m
Sat 9/124:30 pm -
1 stop4h 19m
Deal found 8/7![Delta logo]()
$356
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.
Fri 8/212:27 pm -
2 stops9h 45m
Sat 8/226:08 am -
2 stops10h 30m
Deal found 8/7![American Airlines logo]()
$619
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.
Thu 10/223:49 pm -
1 stop6h 44m
Mon 10/2610:59 am -
1 stop6h 13m
Deal found 8/5![Delta logo]()
$359
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:14 pm -
1 stop5h 12m
Mon 9/75:30 am -
1 stop5h 43m
Deal found 8/8![United Airlines logo]()
$453
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.
Fri 8/282:05 pm -
2 stops16h 25m
Sun 8/305:30 am -
1 stop5h 43m
Deal found 8/6![United Airlines logo]()
$488
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 8/123:57 pm -
1 stop4h 58m
Sun 8/168:05 am -
1 stop7h 03m
Deal found 8/7![Delta logo]()
$411
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:29 pm -
2 stops9h 41m
Mon 10/1212:31 pm -
1 stop6h 42m
Deal found 8/8![American Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:14 pm -
2 stops11h 40m
Sun 9/68:50 am -
1 stop6h 39m
Deal found 8/9![United Airlines logo]()
$502
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.
Fri 8/212:05 pm -
2 stops8h 38m
Sat 8/228:29 am -
2 stops7h 01m
Deal found 8/7![United Airlines logo]()
$512
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 9/269:35 am -
2 stops10h 55m
Mon 9/286:25 am -
1 stop4h 53m
Deal found 8/7![United Airlines logo]()
$537
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 10/93:50 pm -
1 stop6h 43m
Tue 10/135:15 pm -
1 stop4h 41m
Deal found 8/6![Delta logo]()
$572
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:00 am -
2 stops8h 41m
Mon 12/78:25 pm -
2 stops16h 57m
Deal found 8/8![United Airlines logo]()
$596
Last-minute flights from Baton Rouge to IllinoisDiscover last-minute flight deals from Baton Rouge to Illinois. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Baton Rouge to Illinois. Data last updated August 10, 2026 and is based on user searches.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:14 pm -
1 stop5h 12m
Mon 8/246:30 am -
1 stop4h 43m
Deal found 8/5![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:14 pm -
1 stop6h 45m
Sun 8/305:30 am -
1 stop5h 43m
Deal found 8/9![United Airlines 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.
Fri 8/2811:14 am -
1 stop6h 51m
Sat 9/510:16 am -
1 stop6h 22m
Deal found 8/6![American Airlines 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.
Fri 8/2812:00 pm -
2 stops10h 59m
Sat 9/53:13 pm -
1 stop6h 15m
Deal found 8/6![United Airlines logo]()
$322
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 8/3112:00 pm -
2 stops10h 59m
Sat 9/53:13 pm -
1 stop6h 15m
Deal found 8/7![United Airlines logo]()
$324
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 9/47:13 pm -
1 stop4h 45m
Thu 9/1010:40 am -
1 stop4h 21m
Deal found 8/5![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.
Sat 9/54:00 pm -
1 stop6h 36m
Fri 9/114:30 pm -
1 stop5h 23m
Deal found 8/5![Delta logo]()
$313
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.
Wed 9/235:28 pm -
1 stop6h 46m
Tue 9/294:50 pm -
1 stop6h 03m
Deal found 8/7![American Airlines logo]()
$313
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 9/255:50 pm -
1 stop4h 54m
Mon 9/286:05 am -
1 stop6h 47m
Deal found 8/6![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 9/255:50 pm -
1 stop6h 09m
Mon 9/285:30 am -
1 stop7h 22m
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.
Sat 9/264:30 pm -
1 stop6h 14m
Mon 9/286:05 am -
1 stop6h 47m
Deal found 8/6![Delta logo]()
$316
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.
Sat 9/2610:29 am -
1 stop6h 08m
Mon 9/286:40 am -
1 stop6h 12m
Deal found 8/4![Delta logo]()
$316
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 August 10, 2026.
Search for one-way flight options from Baton Rouge to Illinois. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
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 10/156:00 am -
1 stop5h 50m
Deal found 8/6![Delta logo]()
$178
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 10/151:36 pm -
1 stop5h 35m
Deal found 8/6![Delta logo]()
$178
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:14 am -
1 stop8h 28m
Deal found 8/6![American Airlines logo]()
$202
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:58 pm -
1 stop5h 25m
Deal found 8/5![United Airlines logo]()
$210
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 8/126:07 am -
1 stop5h 44m
Deal found 8/7![Delta logo]()
$277
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.
Wed 8/129:35 am -
1 stop5h 15m
Deal found 8/7![United Airlines logo]()
$277
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.
Thu 9/243:48 pm -
1 stop6h 56m
Deal found 8/5![Delta logo]()
$333
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 10/155:20 am -
2 stops13h 15m
Deal found 8/6![United Airlines logo]()
$349
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:28 pm -
1 stop5h 49m
Deal found 8/8![American Airlines logo]()
$353
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 8/257:15 am -
2 stops15h 00m
Deal found 8/7![United Airlines logo]()
$418
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:20 am -
1 stop5h 56m
Deal found 8/5![United Airlines logo]()
$466
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:21 am -
3 stops29h 19m
Deal found 8/5![Multiple Airlines logo]()
$666
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 August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (Delta) |
One-way from | $178 (Delta) |
Popular in | April |
Cheapest in | January |
Average price | $378 |
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 August 10, 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 Baton Rouge Ryan - MDW Chicago Midway
BTRMDW
Baton Rouge Ryan
Sat 9/5
4:00 pm-10:36 pm
1 stop6h 36m
Chicago Midway
Fri 9/11
4:30 pm-9:53 pm
1 stop5h 23m
$316
Baton RougeChicago
BTR Baton Rouge Ryan - ORD Chicago O'Hare Intl
BTRORD
Baton Rouge Ryan
Fri 9/11
6:14 pm-11:26 pm
1 stop5h 12m
Chicago O'Hare Intl
Sat 9/12
6:30 am-1:17 pm
1 stop6h 47m
$316
Baton RougeChicago
BTR Baton Rouge Ryan - ORD Chicago O'Hare Intl
BTRORD
Baton Rouge Ryan
Sat 9/26
10:29 am-4:37 pm
1 stop6h 08m
Chicago O'Hare Intl
Mon 9/28
6:40 am-12:52 pm
1 stop6h 12m
$316
Baton RougeChicago
BTR Baton Rouge Ryan - ORD Chicago O'Hare Intl
BTRORD
Baton Rouge Ryan
Thu 10/22
6:58 pm-12:23 am
1 stop5h 25m
Chicago O'Hare Intl
Sat 10/24
4:11 pm-9:16 pm
1 stop5h 05m
$316
Baton RougeSt. Louis
BTR Baton Rouge Ryan - STL Lambert-St Louis
BTRSTL
Baton Rouge Ryan
Thu 11/5
5:28 pm-11:33 pm
1 stop6h 05m
Lambert-St Louis
Mon 11/9
10:21 am-4:57 pm
1 stop6h 36m
$319
Baton RougeChicago
BTR Baton Rouge Ryan - MDW Chicago Midway
BTRMDW
Baton Rouge Ryan
Fri 9/25
5:50 pm-10:44 pm
1 stop4h 54m
Chicago Midway
Mon 9/28
6:05 am-12:52 pm
1 stop6h 47m
$319
Baton RougeChicago
BTR Baton Rouge Ryan - ORD Chicago O'Hare Intl
BTRORD
Baton Rouge Ryan
Fri 9/25
5:50 pm-11:59 pm
1 stop6h 09m
Chicago O'Hare Intl
Mon 9/28
5:30 am-12:52 pm
1 stop7h 22m
$319
Baton RougeSt. Louis
BTR Baton Rouge Ryan - STL Lambert-St Louis
BTRSTL
Baton Rouge Ryan
Thu 10/29
6:00 am-1:20 pm
1 stop7h 20m
Lambert-St Louis
Mon 11/2
2:25 pm-8:53 pm
1 stop6h 28m
$319
Baton RougeSt. Louis
BTR Baton Rouge Ryan - STL Lambert-St Louis
BTRSTL
Baton Rouge Ryan
Fri 11/13
3:52 pm-9:33 pm
1 stop5h 41m
Lambert-St Louis
Sun 11/15
5:37 pm-10:02 pm
1 stop4h 25m
$319
Baton RougeMoline
BTR Baton Rouge Ryan - MLI Moline Quad-City
BTRMLI
Baton Rouge Ryan
Fri 8/21
6:00 am-11:02 am
1 stop5h 02m
Moline Quad-City
Tue 8/25
4:32 pm-10:55 pm
1 stop6h 23m
$349
Showing 1-10 of 46 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, January is the cheapest month in which you can book a flight from Baton Rouge to Illinois (average of $278). Flying from Baton Rouge to Illinois in April is currently the most expensive (average of $593). 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?
Airfare is below average for this route at the moment.
Baton Rouge to Illinois flights typically cost between $353 and $412 in September.The cheapest round-trip price found within the last 5 days was $313 on American Airlines (Sep 23-Sep 29).
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 August 10, 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
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
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.
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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 August 10, 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 August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$253 | Average$423 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$253 | Average$401 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$348 | FlexibilityNo cancel fee | On-time69% |