$79+ Cheap flights from Indiana to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ORD
Nov 6 — Nov 131
Round-trip
1 adult, Economy
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Find cheap flights from Indiana to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from 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 October 7, 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 October 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Wed 11/47:52 pm -
1 stop14h 08m
Thu 11/57:50 pm -
1 stop21h 30m
Deal found 10/7![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Tue 12/17:19 pm -
1 stop12h 56m
Wed 12/27:32 pm -
1 stop22h 00m
Deal found 10/6![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Wed 11/47:52 pm -
1 stop22h 55m
Wed 11/116:08 am -
1 stop11h 49m
Deal found 10/6![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/141:46 pm -
1 stop5h 44m
Tue 11/177:35 pm -
1 stop22h 22m
Deal found 10/7![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/141:46 pm -
1 stop11h 01m
Tue 11/176:42 pm -
1 stop23h 15m
Deal found 10/7![Frontier logo]()
$159
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Sat 11/75:43 am -
Nonstop1h 16m
Sun 11/812:10 pm -
Nonstop0h 59m
Deal found 10/6![United Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 10/5. 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.
Fri 11/67:05 pm -
1 stop18h 46m
Tue 11/107:35 pm -
1 stop22h 22m
Deal found 10/5![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 11/47:52 pm -
1 stop14h 08m
Tue 11/107:35 pm -
1 stop22h 22m
Deal found 10/5![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Wed 11/47:52 pm -
1 stop14h 08m
Wed 11/117:35 pm -
2 stops13h 55m
Deal found 10/7![Frontier logo]()
$176
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Fri 11/135:43 am -
Nonstop1h 16m
Sun 11/1512:10 pm -
Nonstop0h 59m
Deal found 10/5![United Airlines logo]()
$181
This Frontier deal was found by Cheapflights users on 10/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:58 pm -
1 stop9h 23m
Wed 11/186:30 am -
1 stop7h 38m
Deal found 10/5![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Thu 10/293:58 pm -
2 stops26h 49m
Mon 11/26:16 am -
1 stop11h 41m
Deal found 10/6![Frontier logo]()
$197
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 October 7, 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 October 7, 2026.
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/75:43 am -
Nonstop1h 16m
Sun 11/812:10 pm -
Nonstop0h 59m
Deal found 10/5![United Airlines logo]()
$161
This Southwest deal was found by Cheapflights users on 10/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:50 pm -
Nonstop1h 15m
Tue 11/108:40 pm -
Nonstop1h 10m
Deal found 10/5![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 10/7. 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 11/43:30 pm -
1 stop3h 30m
Sat 11/71:27 pm -
1 stop4h 44m
Deal found 10/7![Delta logo]()
$247
This American Airlines deal was found by Cheapflights users on 10/2. 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.
Mon 10/267:09 pm -
Nonstop1h 35m
Mon 11/28:50 am -
Nonstop1h 08m
Deal found 10/2![American Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/65:43 am -
Nonstop1h 16m
Fri 11/1310:00 pm -
Nonstop0h 56m
Deal found 10/7![United Airlines logo]()
$181
This Frontier deal was found by Cheapflights users on 10/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/94:30 pm -
1 stop8h 56m
Tue 3/166:21 am -
1 stop8h 14m
Deal found 10/2![Frontier logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 10/3. 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.
Sat 10/244:42 pm -
1 stop14h 49m
Tue 10/277:50 pm -
2 stops20h 12m
Deal found 10/3![Multiple Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 11/135:43 am -
Nonstop1h 16m
Sun 11/1512:10 pm -
Nonstop0h 59m
Deal found 10/2![United Airlines logo]()
$181
This Southwest deal was found by Cheapflights users on 10/7. 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 11/36:45 am -
Nonstop1h 10m
Tue 11/310:20 am -
Nonstop1h 00m
Deal found 10/7![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Mon 10/195:45 am -
Nonstop1h 12m
Fri 10/2312:14 pm -
Nonstop1h 01m
Deal found 10/4![United Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:12 pm -
1 stop5h 20m
Tue 11/107:05 am -
1 stop3h 32m
Deal found 10/5![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 10/7. 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.
Sat 11/146:40 am -
Nonstop1h 10m
Tue 11/178:40 pm -
Nonstop1h 10m
Deal found 10/7![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Sun 10/252:44 pm -
Nonstop1h 15m
Thu 10/2910:00 pm -
Nonstop0h 56m
Deal found 10/5![United Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 10/5. 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 12/310:33 am -
1 stop4h 23m
Fri 12/42:41 pm -
1 stop5h 55m
Deal found 10/5![Delta logo]()
$259
This Southwest deal was found by Cheapflights users on 10/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:45 pm -
1 stop6h 05m
Wed 11/118:40 pm -
Nonstop1h 10m
Deal found 10/6![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Mon 3/226:15 am -
Nonstop1h 14m
Thu 3/259:30 pm -
Nonstop0h 58m
Deal found 10/4![United Airlines logo]()
$201
This American Airlines deal was found by Cheapflights users on 10/3. 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 12/129:04 pm -
1 stop4h 12m
Mon 1/44:58 pm -
1 stop4h 57m
Deal found 10/3![American Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 10/5. 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 12/38:00 am -
1 stop6h 01m
Fri 12/41:41 pm -
1 stop4h 21m
Deal found 10/5![Delta logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 10/3. 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.
Sun 10/188:47 pm -
1 stop15h 33m
Thu 10/228:02 pm -
1 stop26h 26m
Deal found 10/3![Allegiant Air logo]()
$642
This Southwest deal was found by Cheapflights users on 10/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:20 am -
2 stops8h 50m
Mon 11/22:35 pm -
2 stops7h 40m
Deal found 10/6![Southwest logo]()
$263
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Mon 10/193:18 pm -
Nonstop1h 12m
Wed 10/2810:00 pm -
Nonstop0h 56m
Deal found 10/6![United Airlines logo]()
$221
This American Airlines deal was found by Cheapflights users on 10/3. 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 10/178:58 pm -
1 stop4h 12m
Mon 10/195:30 pm -
1 stop4h 29m
Deal found 10/3![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 10/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:30 pm -
Nonstop1h 10m
Sat 11/710:15 am -
Nonstop1h 00m
Deal found 10/5![Southwest logo]()
$264
This United Airlines deal was found by Cheapflights users on 10/7. 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 1/235:10 am -
Nonstop1h 27m
Sat 1/2310:25 am -
Nonstop1h 24m
Deal found 10/7![United Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 10/3. 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 10/318:10 am -
1 stop5h 49m
Sat 11/78:29 am -
1 stop4h 08m
Deal found 10/3![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 10/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:30 pm -
Nonstop1h 10m
Fri 11/69:15 pm -
Nonstop1h 15m
Deal found 10/5![Southwest logo]()
$266
This American Airlines deal was found by Cheapflights users on 10/2. 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.
Tue 3/96:46 am -
Nonstop1h 25m
Tue 3/168:41 pm -
Nonstop1h 18m
Deal found 10/2![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Wed 10/2110:00 am -
1 stop22h 49m
Sun 10/252:10 pm -
2 stops47h 58m
Deal found 10/6![Multiple Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 10/5. 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 11/128:19 am -
1 stop6h 40m
Mon 12/77:05 am -
1 stop5h 22m
Deal found 10/5![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 10/7. 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 10/225:40 am -
1 stop6h 11m
Mon 10/265:02 pm -
1 stop6h 18m
Deal found 10/7![American Airlines logo]()
$359
Last-minute flights from Indiana to IllinoisDiscover last-minute flight deals from Indiana to Illinois. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute flight deals from Indiana to Illinois. Data last updated October 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Thu 10/293:58 pm -
2 stops26h 49m
Mon 11/26:16 am -
1 stop11h 41m
Deal found 10/6![Frontier logo]()
$197
This Frontier deal was found by Cheapflights users on 10/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:58 pm -
1 stop9h 23m
Tue 11/36:30 am -
1 stop7h 38m
Deal found 10/5![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Wed 11/47:52 pm -
1 stop14h 08m
Thu 11/57:50 pm -
1 stop21h 30m
Deal found 10/7![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Wed 11/47:52 pm -
1 stop22h 55m
Wed 11/116:08 am -
1 stop11h 49m
Deal found 10/6![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 11/47:52 pm -
1 stop14h 08m
Tue 11/107:35 pm -
1 stop22h 22m
Deal found 10/5![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Wed 11/47:52 pm -
1 stop14h 08m
Wed 11/117:35 pm -
2 stops13h 55m
Deal found 10/7![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 10/5. 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.
Fri 11/67:05 pm -
1 stop18h 46m
Tue 11/107:35 pm -
1 stop22h 22m
Deal found 10/5![Frontier logo]()
$164
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Sat 11/75:43 am -
Nonstop1h 16m
Sun 11/812:10 pm -
Nonstop0h 59m
Deal found 10/6![United Airlines logo]()
$161
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Fri 11/135:43 am -
Nonstop1h 16m
Sun 11/1512:10 pm -
Nonstop0h 59m
Deal found 10/5![United Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/141:46 pm -
1 stop5h 44m
Tue 11/177:35 pm -
1 stop22h 22m
Deal found 10/7![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/141:46 pm -
1 stop11h 01m
Tue 11/176:42 pm -
1 stop23h 15m
Deal found 10/7![Frontier logo]()
$159
This Frontier deal was found by Cheapflights users on 10/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:58 pm -
1 stop9h 23m
Wed 11/186:30 am -
1 stop7h 38m
Deal found 10/5![Frontier 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 October 7, 2026.
Search for one-way flight options from Indiana to Illinois. Find affordable one-way fares based on user searches. Data last updated October 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/97:52 pm -
1 stop22h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 10/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:46 pm -
1 stop5h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Mon 10/267:59 pm -
1 stop17h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Wed 11/47:52 pm -
1 stop14h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Fri 11/67:05 pm -
1 stop18h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Fri 11/67:05 pm -
1 stop23h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 10/4. 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.
Tue 12/17:19 pm -
1 stop12h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Wed 11/47:52 pm -
1 stop28h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 10/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:41 pm -
1 stop9h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Fri 10/307:52 pm -
1 stop4h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 10/5. 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.
Sun 12/67:19 pm -
1 stop27h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$96
This Expedia deal was found by Cheapflights users on 10/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/412:44 pm -
1 stop11h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Frontier logo]()
$98
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 October 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $126 (Kiwi.com) |
One-way from | $79 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $347 |
Good round-trip deal | $359 or less |
Good one-way deal | $176 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 7,457,451 searches. Data last updated October 7, 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
LafayetteChicago
LAF Lafayette Purdue University - ORD Chicago O'Hare Intl
LAFORD
Lafayette Purdue University
Tue 10/27
5:43 am-5:59 am
Nonstop1h 16m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
LafayetteChicago
LAF Lafayette Purdue University - ORD Chicago O'Hare Intl
LAFORD
Lafayette Purdue University
Thu 10/22
3:18 pm-3:30 pm
Nonstop1h 12m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
LafayetteChicago
LAF Lafayette Purdue University - ORD Chicago O'Hare Intl
LAFORD
Lafayette Purdue University
Mon 10/26
2:44 pm-2:59 pm
Nonstop1h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
LafayetteChicago
LAF Lafayette Purdue University - ORD Chicago O'Hare Intl
LAFORD
Lafayette Purdue University
Wed 10/28
5:43 am-5:59 am
Nonstop1h 16m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
LafayetteChicago
LAF Lafayette Purdue University - ORD Chicago O'Hare Intl
LAFORD
Lafayette Purdue University
Sun 11/1
5:43 am-5:59 am
Nonstop1h 16m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
LafayetteChicago
LAF Lafayette Purdue University - ORD Chicago O'Hare Intl
LAFORD
Lafayette Purdue University
Thu 10/29
2:44 pm-2:59 pm
Nonstop1h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
LafayetteChicago
LAF Lafayette Purdue University - ORD Chicago O'Hare Intl
LAFORD
Lafayette Purdue University
Fri 10/23
5:45 am-5:57 am
Nonstop1h 12m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
LafayetteChicago
LAF Lafayette Purdue University - ORD Chicago O'Hare Intl
LAFORD
Lafayette Purdue University
Tue 10/20
5:45 am-5:57 am
Nonstop1h 12m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
LafayetteChicago
LAF Lafayette Purdue University - ORD Chicago O'Hare Intl
LAFORD
Lafayette Purdue University
Mon 11/16
5:43 am-5:59 am
Nonstop1h 16m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
IndianapolisChicago
IND Indianapolis - ORD Chicago O'Hare Intl
INDORD
Indianapolis
Sat 12/5
8:10 pm-8:35 pm
Nonstop1h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$114
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-MDW
IND-ORD
LAF-ORD
FWA-ORD
EVV-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-MDW
IND-ORD
LAF-ORD
FWA-ORD
What is the cheapest month to book a flight from Indiana to Illinois?
Currently, February is the cheapest month in which you can book a flight from Indiana to Illinois (average of $209). Flying from Indiana to Illinois in July is currently the most expensive (average of $432). 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 October 7, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 28% 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 October 7, 2026.
The most flights from USIN to USIL are scheduled on a Monday (73 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (44 on average).
How much does it cost to fly round-trip from Indiana to Illinois?
Airfare is below average for this route at the moment.
Indiana to Illinois flights typically cost between $259 and $450 in December.The cheapest round-trip price found within the last 5 days was $126 on Frontier (Dec 1-Dec 2).
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 October 3, 2026.
Travelers seeking maximum savings on their Indiana to Illinois flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday evenings 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 October 7, 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.
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
7.9
Boarding
8.1
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 October 7, 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 7,457,451 searches. Data last updated October 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$283 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$350 | FlexibilityNo cancel fee | On-time63% |