$66+ Cheap flights from Indiana 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ORD
Aug 7 — Aug 141
Round-trip
1 adult, Economy
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Find cheap flights from Indiana to Illinois with Cheapflights
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Cheapest flights from Indiana to IllinoisExplore the most affordable flight options available from Indiana to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.
Explore the most affordable flight options available from Indiana to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:33 am
IND
- ORD
Nonstop1h 50m
American Airlines
Tue 8/119:24 am
ORD
- IND
Nonstop1h 08m
American Airlines
Deal found 7/7![American Airlines logo]()
$131
This Delta deal was found by Cheapflights users on 7/7. 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 8/55:26 pm
IND
- ORD
1 stop4h 04m
Delta
Wed 8/1211:22 am
ORD
- IND
1 stop6h 39m
Delta
Deal found 7/7![Delta logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:20 pm
IND
- ORD
1 stop8h 33m
Frontier
Wed 8/267:05 am
ORD
- IND
1 stop9h 21m
Frontier
Deal found 7/7![Frontier logo]()
$163
This American Airlines deal was found by Cheapflights users on 7/7. 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 8/126:28 am
SDF
- ORD
Nonstop1h 47m
American Airlines
Wed 8/123:24 pm
ORD
- SDF
Nonstop1h 36m
American Airlines
Deal found 7/7![American Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:45 pm
SDF
- MDW
Nonstop1h 15m
Southwest
Sat 8/227:50 am
MDW
- SDF
Nonstop1h 20m
Southwest
Deal found 7/7![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:30 pm
CVG
- MDW
1 stop5h 50m
Southwest
Sat 8/298:05 am
MDW
- CVG
1 stop4h 45m
Southwest
Deal found 7/3![Southwest logo]()
$177
This Delta deal was found by Cheapflights users on 7/3. 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 8/14:00 pm
CVG
- ORD
1 stop5h 31m
Delta
Tue 8/48:48 am
ORD
- CVG
1 stop3h 54m
Delta
Deal found 7/3![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:45 am
SDF
- MDW
Nonstop1h 15m
Southwest
Wed 8/126:20 pm
MDW
- SDF
Nonstop1h 15m
Southwest
Deal found 7/7![Southwest logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:18 pm
CVG
- ORD
1 stop8h 35m
Frontier
Mon 8/101:50 pm
ORD
- CVG
1 stop20h 23m
Frontier
Deal found 7/7![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:18 pm
CVG
- ORD
1 stop8h 35m
Frontier
Mon 8/101:50 pm
ORD
- CVG
1 stop20h 23m
Frontier
Deal found 7/7![Frontier logo]()
$185
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:00 pm
CVG
- MDW
Nonstop1h 10m
Southwest
Mon 8/105:55 am
MDW
- CVG
1 stop5h 20m
Southwest
Deal found 7/7![Southwest logo]()
$186
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:15 pm
SDF
- MDW
Nonstop1h 15m
Southwest
Mon 8/318:00 am
MDW
- SDF
Nonstop1h 25m
Southwest
Deal found 7/7![Southwest logo]()
$190
Best flights from Indiana to IllinoisDiscover carefully curated flight deals from Indiana to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
Discover carefully curated flight deals from Indiana to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
This Delta deal was found by Cheapflights users on 7/7. 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 8/55:26 pm
IND
- ORD
1 stop4h 04m
Delta
Wed 8/1211:22 am
ORD
- IND
1 stop6h 39m
Delta
Deal found 7/7![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:10 pm
SDF
- MDW
Nonstop1h 15m
Southwest
Thu 8/136:10 pm
MDW
- SDF
Nonstop1h 15m
Southwest
Deal found 7/7![Southwest logo]()
$202
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:10 am
SDF
- ORD
Nonstop1h 40m
United Airlines
Mon 8/176:56 am
ORD
- SDF
Nonstop1h 42m
United Airlines
Deal found 7/2![United Airlines logo]()
$235
This American Airlines deal was found by Cheapflights users on 7/7. 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 8/77:00 am
DAY
- ORD
Nonstop1h 35m
American Airlines
Sun 8/98:20 pm
ORD
- DAY
Nonstop1h 26m
American Airlines
Deal found 7/7![American Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Wed 7/292:30 pm
CVG
- RFD
1 stop21h 07m
Multiple Airlines
Sun 8/211:27 am
RFD
- CVG
2 stops23h 21m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:18 pm
CVG
- RFD
1 stop13h 12m
Allegiant Air
Sun 8/911:37 am
RFD
- CVG
1 stop23h 50m
Allegiant Air
Deal found 7/7![Allegiant Air logo]()
$286
This Delta deal was found by Cheapflights users on 7/3. 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 9/268:14 am
CVG
- ORD
1 stop3h 23m
Delta
Sat 10/178:55 am
ORD
- CVG
1 stop5h 25m
Delta
Deal found 7/3![Delta logo]()
$215
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:30 am
SDF
- MDW
2 stops9h 25m
Southwest
Mon 8/312:35 pm
MDW
- SDF
2 stops7h 00m
Southwest
Deal found 7/7![Southwest logo]()
$220
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:30 pm
CVG
- MDW
1 stop6h 00m
Southwest
Sat 8/88:05 am
MDW
- CVG
1 stop9h 45m
Southwest
Deal found 7/3![Southwest logo]()
$220
This Delta deal was found by Cheapflights users on 7/3. 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 10/2411:05 am
CVG
- ORD
1 stop6h 19m
Delta
Mon 11/22:00 pm
ORD
- CVG
1 stop4h 14m
Delta
Deal found 7/3![Delta logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:18 pm
CVG
- RFD
1 stop13h 12m
Multiple Airlines
Sun 8/911:37 am
RFD
- CVG
2 stops31h 05m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$266
This United Airlines deal was found by Cheapflights users on 7/7. 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 10/106:08 pm
CVG
- ORD
Nonstop1h 37m
United Airlines
Mon 10/129:32 pm
ORD
- CVG
Nonstop1h 27m
United Airlines
Deal found 7/7![United Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:31 pm
CVG
- RFD
1 stop20h 28m
Allegiant Air
Mon 10/510:44 am
RFD
- CVG
1 stop6h 38m
Allegiant Air
Deal found 7/7![Allegiant Air logo]()
$291
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:34 am
SDF
- ORD
1 stop4h 16m
Delta
Wed 8/126:59 am
ORD
- SDF
1 stop5h 52m
Delta
Deal found 7/2![Delta logo]()
$243
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:30 am
CVG
- MDW
Nonstop1h 15m
Southwest
Fri 10/97:30 pm
MDW
- CVG
Nonstop1h 05m
Southwest
Deal found 7/2![Southwest logo]()
$248
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/2512:29 pm
CVG
- ORD
Nonstop1h 34m
United Airlines
Sat 8/2912:50 pm
ORD
- CVG
Nonstop1h 31m
United Airlines
Deal found 7/7![United Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/292:30 pm
CVG
- RFD
1 stop21h 07m
Multiple Airlines
Sat 8/15:09 pm
RFD
- CVG
1 stop28h 18m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 7/3. 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.
Mon 8/317:55 am
IND
- ORD
1 stop3h 47m
Delta
Mon 8/315:20 pm
ORD
- IND
1 stop3h 28m
Delta
Deal found 7/3![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:05 am
CVG
- MDW
2 stops6h 10m
Southwest
Mon 9/213:20 pm
MDW
- CVG
1 stop5h 15m
Southwest
Deal found 7/7![Southwest logo]()
$250
This United Airlines deal was found by Cheapflights users on 7/4. 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 12/166:00 pm
SDF
- ORD
Nonstop1h 36m
United Airlines
Sun 1/37:45 pm
ORD
- SDF
Nonstop1h 24m
United Airlines
Deal found 7/4![United Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 7/3. 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 10/112:11 pm
IND
- ORD
1 stop5h 03m
Delta
Mon 10/57:05 am
ORD
- IND
1 stop3h 26m
Delta
Deal found 7/3![Delta logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:45 am
CVG
- RFD
1 stop8h 38m
Multiple Airlines
Mon 8/316:04 pm
RFD
- CVG
1 stop15h 01m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:00 am
CVG
- MDW
Nonstop1h 05m
Southwest
Sat 7/256:35 am
MDW
- CVG
1 stop4h 30m
Southwest
Deal found 7/2![Southwest logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 9/1012:27 pm
CVG
- RFD
1 stop21h 25m
Allegiant Air
Sun 9/1311:55 am
RFD
- CVG
1 stop24h 16m
Allegiant Air
Deal found 7/5![Allegiant Air logo]()
$356
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/267:10 am
SDF
- ORD
Nonstop1h 40m
United Airlines
Mon 8/319:25 pm
ORD
- SDF
Nonstop1h 34m
United Airlines
Deal found 7/7![United Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:21 pm
SDF
- ORD
1 stop4h 09m
Delta
Mon 8/1711:22 am
ORD
- SDF
1 stop4h 57m
Delta
Deal found 7/2![Delta logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:15 am
CVG
- RFD
1 stop11h 21m
Multiple Airlines
Mon 8/106:26 pm
RFD
- CVG
1 stop18h 21m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:05 am
CVG
- MDW
Nonstop1h 05m
Southwest
Wed 8/125:55 pm
MDW
- CVG
Nonstop1h 15m
Southwest
Deal found 7/4![Southwest logo]()
$273
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:34 am
SDF
- ORD
1 stop6h 43m
Delta
Mon 8/311:59 pm
ORD
- SDF
1 stop6h 20m
Delta
Deal found 7/2![Delta logo]()
$255
This KAYAK deal was found by Cheapflights users on 7/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:40 am
IND
- ORD
Nonstop1h 50m
American Airlines
Tue 7/1410:30 pm
ORD
- IND
Nonstop1h 21m
American Airlines
Deal found 7/4![American Airlines logo]()
$460
Last-minute flights from Indiana to IllinoisDiscover last-minute flight deals from Indiana to Illinois. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from Indiana to Illinois. Data last updated July 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/3. 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 8/14:00 pm
CVG
- ORD
1 stop5h 31m
Delta
Tue 8/48:48 am
ORD
- CVG
1 stop3h 54m
Delta
Deal found 7/3![Delta logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:18 pm
CVG
- ORD
1 stop8h 35m
Frontier
Mon 8/101:50 pm
ORD
- CVG
1 stop20h 23m
Frontier
Deal found 7/7![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:18 pm
CVG
- ORD
1 stop8h 35m
Frontier
Mon 8/101:50 pm
ORD
- CVG
1 stop20h 23m
Frontier
Deal found 7/7![Frontier logo]()
$179
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:25 pm
CVG
- MDW
1 stop5h 55m
Southwest
Mon 8/108:05 am
MDW
- CVG
Nonstop1h 20m
Southwest
Deal found 7/7![Southwest logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:18 pm
CVG
- ORD
1 stop8h 35m
Frontier
Tue 8/111:50 pm
ORD
- CVG
1 stop20h 58m
Frontier
Deal found 7/7![Frontier logo]()
$186
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:14 pm
IND
- ORD
Nonstop1h 22m
American Airlines
Thu 8/135:30 pm
ORD
- IND
Nonstop1h 08m
American Airlines
Deal found 7/7![American Airlines logo]()
$131
This American Airlines deal was found by Cheapflights users on 7/7. 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 8/126:28 am
SDF
- ORD
Nonstop1h 47m
American Airlines
Wed 8/123:24 pm
ORD
- SDF
Nonstop1h 36m
American Airlines
Deal found 7/7![American Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:45 am
SDF
- MDW
Nonstop1h 15m
Southwest
Wed 8/126:20 pm
MDW
- SDF
Nonstop1h 15m
Southwest
Deal found 7/7![Southwest logo]()
$178
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:45 pm
SDF
- MDW
Nonstop1h 15m
Southwest
Sat 8/227:50 am
MDW
- SDF
Nonstop1h 20m
Southwest
Deal found 7/7![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:00 pm
IND
- ORD
Nonstop1h 20m
United Airlines
Sat 8/297:45 am
ORD
- IND
Nonstop1h 16m
United Airlines
Deal found 7/2![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:30 pm
CVG
- MDW
1 stop5h 50m
Southwest
Sat 8/298:05 am
MDW
- CVG
1 stop4h 45m
Southwest
Deal found 7/3![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:15 pm
SDF
- MDW
Nonstop1h 15m
Southwest
Mon 8/318:00 am
MDW
- SDF
Nonstop1h 25m
Southwest
Deal found 7/7![Southwest logo]()
$190
One-way flights from Indiana to IllinoisSearch for one-way flight options from Indiana to Illinois. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
Search for one-way flight options from Indiana to Illinois. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
This American Airlines deal was found by Cheapflights users on 7/7. 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 8/243:56 pm
IND
- ORD
Nonstop1h 27m
American Airlines
Deal found 7/7![American Airlines logo]()
$66
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:35 pm
IND
- ORD
Nonstop1h 25m
American Airlines
Deal found 7/3![American Airlines logo]()
$79
This Delta deal was found by Cheapflights users on 7/3. 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 8/14:00 pm
IND
- ORD
1 stop5h 31m
Delta
Deal found 7/3![Delta logo]()
$89
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/175:15 am
SDF
- ORD
Nonstop1h 40m
United Airlines
Deal found 7/7![United Airlines logo]()
$89
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:00 pm
ORD
- STL
Nonstop1h 29m
United Airlines
Deal found 7/2![United Airlines logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:26 pm
CVG
- ORD
1 stop20h 27m
Frontier
Deal found 7/7![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:53 pm
CVG
- ORD
1 stop8h 00m
Frontier
Deal found 7/7![Frontier logo]()
$96
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:20 am
MDW
- STL
Nonstop1h 10m
Southwest
Deal found 7/2![Southwest logo]()
$98
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:00 am
ORD
- STL
Nonstop1h 24m
American Airlines
Deal found 7/2![American Airlines logo]()
$98
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:10 pm
CVG
- MDW
1 stop3h 23m
Delta
Deal found 7/7![Delta logo]()
$98
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:05 am
CVG
- ORD
1 stop5h 34m
Delta
Deal found 7/7![Delta logo]()
$98
This Delta deal was found by Cheapflights users on 7/7. 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.
Mon 8/1710:34 am
SDF
- ORD
1 stop6h 43m
Delta
Deal found 7/7![Delta logo]()
$99
Find flight deals from Indiana to Illinois
Keep the following information in mind while searching for Indiana to Illinois flight deals. Data was last updated July 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $131 (United Airlines) |
One-way from | $66 (American Airlines) |
Popular in | June |
Cheapest in | August |
Average price | $317 |
Good round-trip deal | $332 or less |
Good one-way deal | $165 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Indiana 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 July 8, 2026.
Use the filters below to find and compare flights from Indiana to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IndianapolisChicago
IND - ORD
INDORD
Indianapolis
Wed 8/5
5:26 pm-8:30 pm
1 stop4h 04m
Chicago O'Hare Intl
Wed 8/12
11:22 am-7:01 pm
1 stop6h 39m
$157
LouisvilleChicago
SDF - MDW
SDFMDW
Louisville Intl
Thu 8/6
7:10 pm-7:25 pm
Nonstop1h 15m
Chicago Midway
Thu 8/13
6:10 pm-8:25 pm
Nonstop1h 15m
$202
CincinnatiChicago
CVG - ORD
CVGORD
Cincinnati Cinci./N. Kentucky
Sat 9/26
8:14 am-10:37 am
1 stop3h 23m
Chicago O'Hare Intl
Sat 10/17
8:55 am-3:20 pm
1 stop5h 25m
$215
LouisvilleChicago
SDF - MDW
SDFMDW
Louisville Intl
Wed 8/26
5:30 am-1:55 pm
2 stops9h 25m
Chicago Midway
Mon 8/31
2:35 pm-10:35 pm
2 stops7h 00m
$220
CincinnatiChicago
CVG - MDW
CVGMDW
Cincinnati Cinci./N. Kentucky
Tue 8/4
3:30 pm-8:30 pm
1 stop6h 00m
Chicago Midway
Sat 8/8
8:05 am-6:50 pm
1 stop9h 45m
$220
LouisvilleChicago
SDF - ORD
SDFORD
Louisville Intl
Sat 8/15
7:10 am-7:50 am
Nonstop1h 40m
Chicago O'Hare Intl
Mon 8/17
6:56 am-9:38 am
Nonstop1h 42m
$235
CincinnatiChicago
CVG - ORD
CVGORD
Cincinnati Cinci./N. Kentucky
Sat 10/24
11:05 am-4:24 pm
1 stop6h 19m
Chicago O'Hare Intl
Mon 11/2
2:00 pm-7:14 pm
1 stop4h 14m
$237
DaytonChicago
DAY - ORD
DAYORD
Dayton
Fri 8/7
7:00 am-7:35 am
Nonstop1h 35m
Chicago O'Hare Intl
Sun 8/9
8:20 pm-10:46 pm
Nonstop1h 26m
$239
LouisvilleChicago
SDF - ORD
SDFORD
Louisville Intl
Sat 8/8
10:34 am-1:50 pm
1 stop4h 16m
Chicago O'Hare Intl
Wed 8/12
6:59 am-1:51 pm
1 stop5h 52m
$243
IndianapolisChicago
IND - ORD
INDORD
Indianapolis
Mon 8/31
7:55 am-10:42 am
1 stop3h 47m
Chicago O'Hare Intl
Mon 8/31
5:20 pm-9:48 pm
1 stop3h 28m
$247
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Indiana to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Indiana with our price prediction graph.
IND-ORD
SDF-ORD
SDF-MDW
CVG-MDW
CVG-ORD
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 Indiana to Illinois
USIN-USIL
IND-ORD
SDF-ORD
SDF-MDW
CVG-MDW
What is the cheapest month to book a flight from Indiana to Illinois?
Currently, January is the cheapest month in which you can book a flight from Indiana to Illinois (average of $99). Flying from Indiana to Illinois in November is currently the most expensive (average of $179). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IN to IL?
Find hourly flight availability from Indiana to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 8, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 31% on flights from Indiana to Illinois by exploring options for tickets in the morning.
Weekly flight availability from Indiana to Illinois
Explore weekly flight availability from Indiana to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 8, 2026.
The most flights from USIN to USIL are scheduled on a Monday (77 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (52 on average).
How much does it cost to fly round-trip from Indiana to Illinois?
What is the cheapest day to fly from Indiana to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Indiana to Illinois. Price data was last updated on July 4, 2026.
Travelers seeking maximum savings on their Indiana to Illinois flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 8, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Indiana to Illinois to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Indiana 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 Indiana to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Indiana to Illinois by cabin class
Find flights from Indiana to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Indiana and Illinois flights
Browse other Indiana and Illinois flight options. Last updated on July 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Indiana after your stay in Illinois
Indiana to Illinois flights
Consider these flights traveling from Indiana to Illinois.
Top 3 airlines flying from Indiana to Illinois
Discover the top 3 airlines that operate flights from Indiana 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 July 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$254 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$159 | Average$334 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$192 | Average$337 | FlexibilityNo cancel fee | On-time63% |