$59+ Cheap flights from Illinois to Indiana
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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IND
May 3 — May 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Indiana 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Indiana
Cheapest
Best
Last-minute
One-way
Cheapest flights from Illinois to IndianaExplore the most affordable flight options available from Illinois to Indiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
Explore the most affordable flight options available from Illinois to Indiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/2311:28 am
ORD
- IND
1 stop22h 04m
Multiple Airlines
Mon 4/2712:34 pm
IND
- ORD
1 stop22h 49m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:15 pm
MDW
- IND
1 stop20h 17m
Frontier
Wed 5/612:14 pm
IND
- MDW
1 stop10h 48m
Frontier
Deal found 4/1![Frontier logo]()
$142
This Southwest deal was found by Cheapflights users on 3/30. 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.
Tue 4/2810:00 am
MDW
- IND
Nonstop1h 05m
Southwest
Tue 5/55:10 pm
IND
- MDW
Nonstop1h 00m
Southwest
Deal found 3/30![Southwest logo]()
$157
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 4/299:02 am
ORD
- IND
Nonstop1h 15m
United Airlines
Wed 5/61:55 pm
IND
- ORD
Nonstop1h 15m
United Airlines
Deal found 3/31![United Airlines logo]()
$157
This Frontier deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/188:58 pm
ORD
- IND
1 stop14h 59m
Frontier
Mon 4/2011:29 am
IND
- ORD
1 stop13h 26m
Frontier
Deal found 3/29![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:28 am
ORD
- IND
1 stop22h 04m
Multiple Airlines
Mon 4/2012:34 pm
IND
- ORD
1 stop22h 49m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/189:14 am
MDW
- IND
1 stop7h 28m
Multiple Airlines
Mon 4/2012:34 pm
IND
- MDW
1 stop10h 45m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:15 pm
ORD
- IND
2 stops15h 17m
Multiple Airlines
Wed 5/612:14 pm
IND
- ORD
1 stop20h 41m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$170
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:21 pm
STL
- ORD
1 stop9h 38m
Frontier
Fri 4/248:58 pm
ORD
- STL
1 stop18h 23m
Frontier
Deal found 3/31![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/1611:28 am
ORD
- IND
1 stop22h 04m
Multiple Airlines
Sun 4/1912:12 pm
IND
- ORD
1 stop24h 20m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Fri 4/178:23 pm
STL
- MDW
1 stop22h 14m
Frontier
Tue 4/212:15 pm
MDW
- STL
1 stop16h 35m
Frontier
Deal found 4/2![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:14 am
MDW
- IND
1 stop24h 57m
Frontier
Mon 5/412:34 pm
IND
- MDW
1 stop10h 45m
Frontier
Deal found 3/30![Frontier logo]()
$174
Best flights from Illinois to IndianaDiscover carefully curated flight deals from Illinois to Indiana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
Discover carefully curated flight deals from Illinois to Indiana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
This Southwest deal was found by Cheapflights users on 3/30. 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.
Thu 5/149:45 pm
MDW
- IND
Nonstop1h 10m
Southwest
Wed 5/205:10 pm
IND
- MDW
Nonstop1h 00m
Southwest
Deal found 3/30![Southwest logo]()
$189
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 5/148:30 pm
STL
- ORD
Nonstop1h 31m
United Airlines
Sat 5/169:53 pm
ORD
- STL
Nonstop1h 26m
United Airlines
Deal found 4/1![United Airlines logo]()
$191
This Delta deal was found by Cheapflights users on 4/3. 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 4/256:20 am
STL
- MDW
1 stop7h 12m
Delta
Mon 4/277:16 pm
MDW
- STL
1 stop3h 57m
Delta
Deal found 4/3![Delta logo]()
$211
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/134:17 pm
ORD
- DAY
1 stop4h 46m
American Airlines
Wed 5/206:30 pm
DAY
- ORD
Nonstop1h 48m
American Airlines
Deal found 3/29![American Airlines logo]()
$249
This Expedia deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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.
Fri 5/159:42 pm
ORD
- CVG
1 stop13h 18m
Frontier
Sun 5/179:30 pm
CVG
- ORD
1 stop26h 43m
Frontier
Deal found 3/29![Frontier logo]()
$287
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/41:45 pm
STL
- MDW
Nonstop1h 10m
Southwest
Wed 5/68:15 am
MDW
- STL
Nonstop1h 15m
Southwest
Deal found 3/29![Southwest logo]()
$191
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/48:30 pm
STL
- ORD
Nonstop1h 31m
United Airlines
Wed 5/65:20 pm
ORD
- STL
Nonstop1h 33m
United Airlines
Deal found 3/29![United Airlines logo]()
$191
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/237:20 am
STL
- MDW
Nonstop1h 10m
Southwest
Sat 4/2512:45 pm
MDW
- STL
Nonstop1h 15m
Southwest
Deal found 3/29![Southwest logo]()
$191
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:48 am
STL
- ORD
1 stop5h 57m
Delta
Mon 4/277:09 pm
ORD
- STL
1 stop4h 04m
Delta
Deal found 3/31![Delta logo]()
$211
This Southwest deal was found by Cheapflights users on 4/2. 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 4/235:40 am
STL
- MDW
Nonstop1h 10m
Southwest
Mon 4/275:40 pm
MDW
- STL
Nonstop1h 15m
Southwest
Deal found 4/2![Southwest logo]()
$191
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/412:23 pm
STL
- ORD
2 stops8h 17m
Delta
Wed 5/65:15 am
ORD
- STL
1 stop6h 41m
Delta
Deal found 3/29![Delta logo]()
$216
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 5/48:00 pm
ORD
- IND
Nonstop1h 17m
United Airlines
Thu 5/76:00 am
IND
- ORD
Nonstop1h 20m
United Airlines
Deal found 3/31![United Airlines logo]()
$221
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/175:15 am
MLI
- ORD
Nonstop1h 18m
American Airlines
Sun 4/194:54 pm
ORD
- MLI
Nonstop1h 13m
American Airlines
Deal found 3/29![American Airlines logo]()
$254
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/203:35 pm
ORD
- IND
Nonstop1h 13m
United Airlines
Wed 4/224:10 pm
IND
- ORD
Nonstop1h 28m
United Airlines
Deal found 3/29![United Airlines logo]()
$221
This Delta deal was found by Cheapflights users on 4/1. 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.
Sat 5/96:21 am
STL
- ORD
2 stops6h 35m
Delta
Sat 5/169:25 am
ORD
- STL
2 stops7h 21m
Delta
Deal found 4/1![Delta logo]()
$221
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/79:45 pm
STL
- MDW
Nonstop1h 05m
Southwest
Sat 5/910:30 am
MDW
- STL
2 stops7h 40m
Southwest
Deal found 3/29![Southwest logo]()
$206
This Southwest deal was found by Cheapflights users on 3/30. 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.
Thu 4/309:40 pm
STL
- MDW
Nonstop1h 05m
Southwest
Sat 5/28:35 am
MDW
- STL
2 stops7h 50m
Southwest
Deal found 3/30![Southwest logo]()
$206
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 5/124:30 pm
ORD
- CVG
Nonstop1h 27m
United Airlines
Wed 5/137:00 am
CVG
- ORD
Nonstop1h 32m
United Airlines
Deal found 3/31![United Airlines logo]()
$227
This American Airlines deal was found by Cheapflights users on 4/3. 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 6/201:19 pm
ORD
- DAY
1 stop7h 47m
American Airlines
Sun 6/2112:03 pm
DAY
- ORD
Nonstop1h 31m
American Airlines
Deal found 4/3![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:36 pm
ORD
- IND
1 stop6h 39m
Delta
Thu 5/76:30 am
IND
- ORD
1 stop4h 59m
Delta
Deal found 3/31![Delta logo]()
$241
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:40 am
STL
- MDW
Nonstop1h 10m
Southwest
Sat 5/1610:30 am
MDW
- STL
2 stops7h 40m
Southwest
Deal found 4/1![Southwest logo]()
$206
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/87:55 pm
ORD
- DAY
Nonstop1h 24m
United Airlines
Sun 5/108:13 pm
DAY
- ORD
Nonstop1h 37m
United Airlines
Deal found 3/29![United Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Thu 4/165:15 am
MLI
- ORD
Nonstop1h 18m
American Airlines
Mon 4/204:54 pm
ORD
- MLI
Nonstop1h 13m
American Airlines
Deal found 4/3![American Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:24 am
ORD
- CVG
2 stops6h 03m
Delta
Sat 5/166:00 pm
CVG
- ORD
1 stop3h 14m
Delta
Deal found 3/31![Delta logo]()
$250
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/710:30 am
STL
- MDW
1 stop5h 35m
Southwest
Mon 5/115:55 pm
MDW
- STL
1 stop5h 20m
Southwest
Deal found 3/29![Southwest logo]()
$211
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/243:45 pm
ORD
- DAY
Nonstop1h 27m
United Airlines
Mon 4/278:10 pm
DAY
- ORD
Nonstop1h 33m
United Airlines
Deal found 4/3![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:10 am
STL
- ORD
1 stop5h 20m
Southwest
Sat 5/162:05 pm
ORD
- STL
1 stop6h 20m
Southwest
Deal found 4/1![Southwest logo]()
$211
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/711:24 am
ORD
- DAY
Nonstop1h 18m
United Airlines
Mon 8/107:55 pm
DAY
- ORD
Nonstop1h 37m
United Airlines
Deal found 3/29![United Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:25 am
ORD
- CVG
2 stops7h 16m
Delta
Sun 5/35:59 am
CVG
- ORD
1 stop6h 35m
Delta
Deal found 3/31![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 4/2. 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 4/235:30 am
MDW
- CVG
1 stop5h 20m
Southwest
Mon 4/275:45 am
CVG
- MDW
2 stops8h 25m
Southwest
Deal found 4/2![Southwest logo]()
$216
Last-minute flights from Illinois to IndianaDiscover last-minute flight deals from Illinois to Indiana. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Indiana. Data last updated April 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:28 am
ORD
- IND
1 stop22h 04m
Multiple Airlines
Mon 4/2012:34 pm
IND
- ORD
1 stop22h 49m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/1611:28 am
ORD
- IND
1 stop22h 04m
Multiple Airlines
Sun 4/1912:12 pm
IND
- ORD
1 stop24h 20m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Fri 4/178:23 pm
STL
- MDW
1 stop22h 14m
Frontier
Tue 4/212:15 pm
MDW
- STL
1 stop16h 35m
Frontier
Deal found 4/2![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/188:58 pm
ORD
- IND
1 stop14h 59m
Frontier
Mon 4/2011:29 am
IND
- ORD
1 stop13h 26m
Frontier
Deal found 3/29![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/189:14 am
MDW
- IND
1 stop7h 28m
Multiple Airlines
Mon 4/2012:34 pm
IND
- MDW
1 stop10h 45m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$169
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:21 pm
STL
- ORD
1 stop9h 38m
Frontier
Fri 4/248:58 pm
ORD
- STL
1 stop18h 23m
Frontier
Deal found 3/31![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/2311:28 am
ORD
- IND
1 stop22h 04m
Multiple Airlines
Mon 4/2712:34 pm
IND
- ORD
1 stop22h 49m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:14 am
MDW
- IND
1 stop24h 57m
Frontier
Mon 5/412:34 pm
IND
- MDW
1 stop10h 45m
Frontier
Deal found 3/30![Frontier logo]()
$174
This Southwest deal was found by Cheapflights users on 3/30. 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.
Tue 4/2810:00 am
MDW
- IND
Nonstop1h 05m
Southwest
Tue 5/55:10 pm
IND
- MDW
Nonstop1h 00m
Southwest
Deal found 3/30![Southwest logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:15 pm
MDW
- IND
1 stop20h 17m
Frontier
Wed 5/612:14 pm
IND
- MDW
1 stop10h 48m
Frontier
Deal found 4/1![Frontier logo]()
$142
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 4/299:02 am
ORD
- IND
Nonstop1h 15m
United Airlines
Wed 5/61:55 pm
IND
- ORD
Nonstop1h 15m
United Airlines
Deal found 3/31![United Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:15 pm
ORD
- IND
2 stops15h 17m
Multiple Airlines
Wed 5/612:14 pm
IND
- ORD
1 stop20h 41m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$170
One-way flights from Illinois to IndianaSearch for one-way flight options from Illinois to Indiana. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
Search for one-way flight options from Illinois to Indiana. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This Southwest deal was found by Cheapflights users on 3/31. 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 6/179:30 pm
STL
- MDW
Nonstop1h 05m
Southwest
Deal found 3/31![Southwest logo]()
$59
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 5/197:05 am
STL
- ORD
Nonstop1h 31m
American Airlines
Deal found 3/31![American Airlines logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:16 am
ORD
- CVG
1 stop8h 20m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:28 am
ORD
- IND
1 stop23h 04m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/228:23 pm
STL
- ORD
1 stop14h 00m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$66
This Southwest deal was found by Cheapflights users on 4/2. 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.
Tue 5/56:35 am
STL
- ORD
1 stop8h 25m
Southwest
Deal found 4/2![Southwest logo]()
$69
This Frontier deal was found by Cheapflights users on 4/1. 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.
Sat 5/29:14 am
MDW
- CVG
1 stop6h 34m
Frontier
Deal found 4/1![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 3/31. 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.
Thu 4/301:27 pm
ORD
- CVG
1 stop7h 27m
Frontier
Deal found 3/31![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 3/30. 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.
Thu 4/305:50 am
ORD
- IND
1 stop4h 42m
Frontier
Deal found 3/30![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:15 pm
MDW
- CVG
1 stop27h 21m
Frontier
Deal found 3/31![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:15 pm
MDW
- IND
1 stop20h 17m
Frontier
Deal found 3/31![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/228:23 pm
STL
- MDW
1 stop25h 56m
Frontier
Deal found 4/2![Frontier logo]()
$71
Find flight deals from Illinois to Indiana
Keep the following information in mind while searching for Illinois to Indiana flight deals. Data was last updated April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $125 (Kiwi.com) |
One-way from | $59 (Southwest) |
Popular in | December |
Cheapest in | August |
Average price | $297 |
Good round-trip deal | $269 or less |
Good one-way deal | $218 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Indiana 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 April 3, 2026.
Use the filters below to find and compare flights from Illinois to Indiana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ChicagoIndianapolis
MDW - IND
MDWIND
Chicago Midway
Thu 5/14
9:45 pm-11:55 pm
Nonstop1h 10m
Indianapolis
Wed 5/20
5:10 pm-5:10 pm
Nonstop1h 00m
$189
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Thu 5/14
8:30 pm-10:01 pm
Nonstop1h 31m
Chicago O'Hare Intl
Sat 5/16
9:53 pm-11:19 pm
Nonstop1h 26m
$191
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Mon 5/4
1:45 pm-2:55 pm
Nonstop1h 10m
Chicago Midway
Wed 5/6
8:15 am-9:30 am
Nonstop1h 15m
$191
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Mon 5/4
8:30 pm-10:01 pm
Nonstop1h 31m
Chicago O'Hare Intl
Wed 5/6
5:20 pm-6:53 pm
Nonstop1h 33m
$191
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Thu 4/23
7:20 am-8:30 am
Nonstop1h 10m
Chicago Midway
Sat 4/25
12:45 pm-2:00 pm
Nonstop1h 15m
$191
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Thu 4/23
5:40 am-6:50 am
Nonstop1h 10m
Chicago Midway
Mon 4/27
5:40 pm-6:55 pm
Nonstop1h 15m
$191
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Thu 5/7
9:45 pm-10:50 pm
Nonstop1h 05m
Chicago Midway
Sat 5/9
10:30 am-6:10 pm
2 stops7h 40m
$206
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Thu 4/30
9:40 pm-10:45 pm
Nonstop1h 05m
Chicago Midway
Sat 5/2
8:35 am-4:25 pm
2 stops7h 50m
$206
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Sat 5/9
5:40 am-6:50 am
Nonstop1h 10m
Chicago Midway
Sat 5/16
10:30 am-6:10 pm
2 stops7h 40m
$206
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Sat 4/25
6:20 am-1:32 pm
1 stop7h 12m
Chicago Midway
Mon 4/27
7:16 pm-11:13 pm
1 stop3h 57m
$211
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Indiana
Have a flexible travel schedule? Discover the best time to fly to Indiana from Illinois with our price prediction graph.
ORD-IND
MDW-IND
STL-ORD
STL-MDW
ORD-CVG
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Indiana
USIL-USIN
ORD-IND
MDW-IND
STL-ORD
STL-MDW
What is the cheapest month to book a flight from Illinois to Indiana?
Currently, April is the cheapest month in which you can book a flight from Illinois to Indiana (average of $163). Flying from Illinois to Indiana in January is currently the most expensive (average of $291). 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 IL to IN?
Find hourly flight availability from Illinois to Indiana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 3, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 27% on flights from Illinois to Indiana by exploring options for tickets at noon.
What is the cheapest day to fly from Illinois to Indiana?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Indiana. Price data was last updated on March 28, 2026.
Travelers seeking maximum savings on their Illinois to Indiana flight should consider departing on Friday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Illinois to Indiana
Explore weekly flight availability from Illinois to Indiana. 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 April 3, 2026.
The most flights from USIL to USIN are scheduled on a Friday (72 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 on average).
How much does it cost to fly round-trip from Illinois to Indiana?
Reviews of airlines servicing Indiana
Get insights into the airlines that provide service to Indiana. 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 Indiana. Reviews last updated April 3, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican Airlines from Illinois to Indiana. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Illinois to Indiana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Illinois to Indiana
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Indiana by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Indiana by cabin class
Find flights from Illinois to Indiana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Indiana flights
Browse other Illinois and Indiana flight options. Last updated on April 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Indiana
Find the right flight back to Illinois after your stay in Indiana
Illinois to Indiana flights
Consider these flights traveling from Illinois to Indiana.
Top 2 airlines flying from Illinois to Indiana
Discover the top 2 airlines that operate flights from Illinois to Indiana. 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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$324 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$193 | Average$386 | FlexibilityNo cancel fee | On-time71% |