$81+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ORD
Dec 4 — Dec 111
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 November 4, 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 November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 11/192:44 pm -
Nonstop1h 16m
Sun 11/2212:10 pm -
Nonstop0h 59m
Deal found 11/4![United Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/31:20 pm -
1 stop25h 40m
Mon 12/710:29 pm -
1 stop19h 05m
Deal found 11/3![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:19 pm -
1 stop17h 14m
Tue 12/812:28 pm -
1 stop5h 06m
Deal found 11/2![Frontier logo]()
$173
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:19 pm -
2 stops21h 51m
Tue 12/88:30 am -
1 stop9h 04m
Deal found 11/2![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:27 pm -
1 stop11h 53m
Wed 12/94:00 pm -
1 stop26h 32m
Deal found 11/2![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Wed 12/24:06 pm -
1 stop9h 47m
Sat 12/57:25 am -
1 stop7h 21m
Deal found 11/1![Frontier logo]()
$200
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/155:43 am -
Nonstop1h 16m
Thu 11/1910:00 pm -
Nonstop0h 56m
Deal found 10/31![United Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:27 pm -
1 stop26h 02m
Sun 12/138:30 am -
1 stop10h 02m
Deal found 11/2![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/74:41 pm -
1 stop9h 13m
Wed 12/97:25 am -
1 stop6h 45m
Deal found 11/1![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/247:43 pm -
1 stop17h 17m
Thu 12/315:58 am -
1 stop12h 00m
Deal found 11/3![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/37:52 pm -
1 stop21h 15m
Mon 12/75:02 pm -
2 stops18h 23m
Deal found 11/3![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:56 am -
2 stops25h 37m
Mon 12/75:02 pm -
1 stop24h 32m
Deal found 11/2![Frontier logo]()
$216
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 November 4, 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 November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 11/192:44 pm -
Nonstop1h 16m
Mon 11/2310:00 pm -
Nonstop0h 56m
Deal found 11/4![United Airlines logo]()
$161
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 11/275:30 pm -
Nonstop1h 10m
Fri 12/48:40 pm -
Nonstop1h 10m
Deal found 10/30![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:33 am -
1 stop4h 23m
Mon 12/77:15 pm -
1 stop3h 58m
Deal found 11/4![Delta logo]()
$277
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/255:26 am -
Nonstop1h 33m
Fri 11/274:30 pm -
Nonstop1h 17m
Deal found 10/31![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 11/192:44 pm -
Nonstop1h 16m
Sun 11/2212:10 pm -
Nonstop0h 59m
Deal found 11/4![United Airlines logo]()
$161
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 11/165:43 am -
Nonstop1h 16m
Fri 11/2011:59 am -
Nonstop0h 59m
Deal found 11/1![United Airlines logo]()
$201
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/155:43 am -
Nonstop1h 16m
Thu 11/1910:00 pm -
Nonstop0h 56m
Deal found 10/31![United Airlines logo]()
$201
This Southwest deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 1/68:55 am -
Nonstop1h 15m
Wed 2/177:35 pm -
Nonstop1h 00m
Deal found 10/31![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 11/2. 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 4/96:30 am -
Nonstop1h 14m
Sat 4/109:30 pm -
Nonstop0h 58m
Deal found 11/2![United Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 11/3. 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.
Tue 12/228:10 am -
1 stop5h 36m
Tue 12/291:26 pm -
1 stop5h 07m
Deal found 11/3![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 11/2. 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 12/36:45 am -
Nonstop1h 10m
Mon 12/76:00 am -
1 stop5h 05m
Deal found 11/2![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/115:40 am -
Nonstop1h 16m
Sat 12/1210:03 pm -
Nonstop0h 56m
Deal found 11/2![United Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 11/273:11 pm -
1 stop6h 06m
Fri 12/45:02 pm -
1 stop3h 34m
Deal found 10/30![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 11/2. 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 12/172:25 pm -
1 stop4h 55m
Thu 12/248:40 pm -
Nonstop1h 10m
Deal found 11/2![Southwest logo]()
$267
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/169:03 pm -
1 stop4h 00m
Mon 11/305:43 pm -
1 stop5h 56m
Deal found 10/31![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 11/2. 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.
Thu 12/1712:14 pm -
1 stop5h 03m
Thu 12/247:00 am -
1 stop3h 39m
Deal found 11/2![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:43 am -
1 stop3h 54m
Mon 12/79:37 am -
1 stop4h 01m
Deal found 11/4![Delta logo]()
$277
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/175:30 am -
Nonstop1h 29m
Sat 11/2110:35 pm -
Nonstop1h 13m
Deal found 11/2![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/175:43 am -
Nonstop1h 16m
Sat 11/2110:00 pm -
Nonstop0h 56m
Deal found 11/2![United Airlines logo]()
$251
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/710:33 am -
1 stop3h 28m
Wed 12/96:41 pm -
1 stop4h 32m
Deal found 11/1![Delta logo]()
$277
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/176:40 am -
Nonstop2h 04m
Sat 11/2110:45 pm -
Nonstop1h 27m
Deal found 11/2![American Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:43 am -
Nonstop1h 16m
Sun 11/2212:10 pm -
Nonstop0h 59m
Deal found 11/4![United Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 2/48:00 am -
1 stop6h 04m
Sun 2/71:54 pm -
1 stop6h 17m
Deal found 11/1![Delta logo]()
$315
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 3/236:45 am -
1 stop5h 48m
Wed 3/3110:30 pm -
Nonstop1h 29m
Deal found 11/1![American Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 11/3. 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 11/268:19 am -
1 stop3h 19m
Sun 11/292:44 pm -
1 stop5h 03m
Deal found 11/3![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:30 am -
Nonstop1h 30m
Sun 11/298:40 am -
Nonstop1h 14m
Deal found 11/3![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 11/3. 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.
Tue 11/242:06 pm -
1 stop3h 12m
Sun 11/292:44 pm -
1 stop5h 03m
Deal found 11/3![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 11/285:25 am -
Nonstop1h 24m
Sat 12/54:20 pm -
Nonstop1h 18m
Deal found 11/1![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 11/2. 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 11/252:06 pm -
1 stop3h 12m
Sun 11/292:44 pm -
1 stop5h 03m
Deal found 11/2![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:37 am -
Nonstop2h 04m
Mon 11/2310:45 pm -
Nonstop1h 27m
Deal found 11/4![American Airlines logo]()
$491
Last-minute flights from Indiana to IllinoisDiscover last-minute flight deals from Indiana to Illinois. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Indiana to Illinois. Data last updated November 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/155:43 am -
Nonstop1h 16m
Thu 11/1910:00 pm -
Nonstop0h 56m
Deal found 10/31![United Airlines logo]()
$201
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 11/192:44 pm -
Nonstop1h 16m
Mon 11/2310:00 pm -
Nonstop0h 56m
Deal found 11/4![United Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:56 am -
2 stops25h 37m
Mon 12/75:02 pm -
1 stop24h 32m
Deal found 11/2![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:19 pm -
1 stop17h 14m
Tue 12/812:28 pm -
1 stop5h 06m
Deal found 11/2![Frontier logo]()
$173
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:19 pm -
2 stops21h 51m
Tue 12/88:30 am -
1 stop9h 04m
Deal found 11/2![Frontier logo]()
$190
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Wed 12/24:06 pm -
1 stop9h 47m
Sat 12/57:25 am -
1 stop7h 21m
Deal found 11/1![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/31:20 pm -
1 stop25h 40m
Mon 12/710:29 pm -
1 stop19h 05m
Deal found 11/3![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/37:52 pm -
1 stop21h 15m
Mon 12/75:02 pm -
2 stops18h 23m
Deal found 11/3![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:27 pm -
1 stop11h 53m
Wed 12/94:00 pm -
1 stop26h 32m
Deal found 11/2![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:27 pm -
1 stop26h 02m
Sun 12/138:30 am -
1 stop10h 02m
Deal found 11/2![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/74:41 pm -
1 stop9h 13m
Wed 12/97:25 am -
1 stop6h 45m
Deal found 11/1![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/247:43 pm -
1 stop17h 17m
Thu 12/315:58 am -
1 stop12h 00m
Deal found 11/3![Frontier logo]()
$210
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 November 4, 2026.
Search for one-way flight options from Indiana to Illinois. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Tue 12/17:19 pm -
1 stop19h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$81
This Orbitz deal was found by Cheapflights users on 11/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:27 pm -
1 stop11h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:52 pm -
1 stop23h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$97
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 11/192:44 pm -
Nonstop1h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$98
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Wed 11/254:37 pm -
1 stop9h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/1812:38 pm -
1 stop27h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/2110:30 pm -
1 stop10h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/247:43 pm -
1 stop17h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 12/44:41 pm -
1 stop9h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$109
This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:56 am -
2 stops25h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:27 pm -
1 stop20h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:04 am -
2 stops11h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$123
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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $154 (Kiwi.com) |
One-way from | $81 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $524 |
Good round-trip deal | $327 or less |
Good one-way deal | $218 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 November 4, 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
Thu 11/19
2:44 pm-3:00 pm
Nonstop1h 16m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
Quickest round-trip
LafayetteChicago
LAF Lafayette Purdue University - ORD Chicago O'Hare Intl
LAFORD
Lafayette Purdue University
Sun 1/10
2:55 pm-3:00 pm
Nonstop1h 05m
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
Tue 1/5
11:35 am-9:45 pm
2 stops35h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$128
IndianapolisChicago
IND Indianapolis - MDW Chicago Midway
INDMDW
Indianapolis
Wed 11/25
5:50 pm-6:00 pm
Nonstop1h 10m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
IndianapolisChicago
IND Indianapolis - MDW Chicago Midway
INDMDW
Indianapolis
Fri 12/4
6:45 am-6:55 am
Nonstop1h 10m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
IndianapolisChicago
IND Indianapolis - ORD Chicago O'Hare Intl
INDORD
Indianapolis
Fri 12/25
11:20 am-11:44 am
Nonstop1h 24m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
IndianapolisChicago
IND Indianapolis - MDW Chicago Midway
INDMDW
Indianapolis
Fri 12/18
6:40 am-6:50 am
Nonstop1h 10m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
IndianapolisChicago
IND Indianapolis - ORD Chicago O'Hare Intl
INDORD
Indianapolis
Thu 12/3
11:05 am-11:31 am
Nonstop1h 26m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
IndianapolisChicago
IND Indianapolis - MDW Chicago Midway
INDMDW
Indianapolis
Thu 12/3
6:45 am-6:55 am
Nonstop1h 10m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
IndianapolisChicago
IND Indianapolis - ORD Chicago O'Hare Intl
INDORD
Indianapolis
Wed 11/25
1:40 pm-1:59 pm
Nonstop1h 19m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
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.
LAF-ORD
IND-ORD
IND-MDW
SBN-ORD
FWA-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
LAF-ORD
IND-ORD
IND-MDW
SBN-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 $193). 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 November 4, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 27% 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 November 4, 2026.
The most flights from USIN to USIL are scheduled on a Monday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 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 $311 and $517 in December.The cheapest round-trip price found within the last 5 days was $154 on Frontier (Dec 3-Dec 7).
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 31, 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. 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 November 4, 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.
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
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 November 4, 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 November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$299 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$341 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$547 | FlexibilityNo cancel fee | On-time63% |