$49+ Cheap flights from Ohio to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ORD
Apr 1 — Apr 81
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ohio to IllinoisExplore the most affordable flight options available from Ohio to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 2, 2026.
Explore the most affordable flight options available from Ohio to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/2511:51 am
CLE
- MDW
1 stop7h 46m
Frontier
Sun 4/266:00 am
MDW
- CLE
1 stop7h 49m
Frontier
Deal found 2/26![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/76:05 pm
CLE
- ORD
1 stop29h 34m
Frontier
Tue 5/124:28 pm
ORD
- CLE
1 stop17h 15m
Frontier
Deal found 2/28![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 5/18:25 pm
CLE
- MDW
1 stop17h 35m
Frontier
Mon 5/46:00 am
MDW
- CLE
1 stop5h 28m
Frontier
Deal found 2/28![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/135:30 am
CLE
- MDW
1 stop17h 49m
Frontier
Fri 5/12:15 pm
MDW
- CLE
1 stop5h 39m
Frontier
Deal found 2/26![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/136:05 pm
CLE
- ORD
1 stop23h 55m
Frontier
Fri 5/14:28 pm
ORD
- CLE
1 stop17h 15m
Frontier
Deal found 2/26![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/138:01 pm
CLE
- MDW
1 stop13h 03m
Frontier
Sat 5/169:14 am
MDW
- CLE
1 stop14h 56m
Frontier
Deal found 2/27![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/1811:51 am
CLE
- ORD
1 stop10h 21m
Multiple Airlines
Wed 4/226:08 pm
ORD
- CLE
1 stop12h 36m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/163:44 pm
CLE
- MDW
1 stop7h 35m
Frontier
Thu 5/72:20 pm
MDW
- CLE
1 stop7h 54m
Frontier
Deal found 2/27![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/1. 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.
Fri 4/178:25 pm
CLE
- ORD
1 stop20h 49m
Multiple Airlines
Tue 4/216:08 pm
ORD
- CLE
1 stop15h 28m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/58:45 pm
CLE
- ORD
1 stop14h 38m
Multiple Airlines
Tue 5/124:28 pm
ORD
- CLE
1 stop17h 15m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/2211:46 am
CLE
- ORD
1 stop6h 14m
Multiple Airlines
Sat 4/259:16 am
ORD
- CLE
1 stop7h 39m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/185:21 pm
CLE
- ORD
1 stop17h 24m
Frontier
Mon 4/204:28 pm
ORD
- CLE
1 stop14h 16m
Frontier
Deal found 2/26![Frontier logo]()
$141
Best flights from Ohio to IllinoisDiscover carefully curated flight deals from Ohio to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 2, 2026.
Discover carefully curated flight deals from Ohio to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 2, 2026.
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/137:40 pm
CLE
- ORD
Nonstop1h 49m
United Airlines
Fri 5/19:00 am
ORD
- CLE
Nonstop1h 35m
United Airlines
Deal found 2/26![United Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/612:35 pm
CLE
- ORD
2 stops9h 05m
Delta
Fri 5/87:00 am
ORD
- CLE
1 stop5h 23m
Delta
Deal found 2/26![Delta logo]()
$165
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 3/247:20 pm
PIT
- MDW
Nonstop1h 30m
Southwest
Wed 3/256:05 pm
MDW
- PIT
Nonstop1h 25m
Southwest
Deal found 2/27![Southwest logo]()
$179
This American Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/15:02 am
CVG
- ORD
1 stop6h 48m
American Airlines
Sat 4/118:15 am
ORD
- CVG
Nonstop1h 26m
American Airlines
Deal found 2/25![American Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/2511:00 am
CLE
- ORD
Nonstop1h 39m
United Airlines
Sat 5/27:30 am
ORD
- CLE
Nonstop1h 29m
United Airlines
Deal found 2/28![United Airlines logo]()
$171
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/136:15 pm
DTW
- ORD
Nonstop1h 37m
Delta
Mon 4/2011:00 am
ORD
- DTW
Nonstop1h 24m
Delta
Deal found 2/26![Delta logo]()
$171
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 3/247:15 pm
CLE
- MDW
Nonstop1h 25m
Southwest
Wed 3/2511:15 am
MDW
- CLE
1 stop5h 55m
Southwest
Deal found 2/28![Southwest logo]()
$181
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 3/247:02 am
CLE
- ORD
Nonstop1h 40m
United Airlines
Wed 3/257:30 am
ORD
- CLE
Nonstop1h 18m
United Airlines
Deal found 2/28![United Airlines logo]()
$171
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 3/317:48 pm
DTW
- ORD
Nonstop1h 29m
Delta
Sat 4/49:50 am
ORD
- DTW
Nonstop1h 19m
Delta
Deal found 2/28![Delta logo]()
$171
This Southwest deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/254:50 pm
CLE
- MDW
Nonstop1h 20m
Southwest
Sat 5/24:20 pm
MDW
- CLE
1 stop3h 40m
Southwest
Deal found 2/25![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 3/1. 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.
Wed 5/63:50 pm
DTW
- ORD
Nonstop1h 28m
Delta
Sat 5/97:00 am
ORD
- DTW
Nonstop1h 29m
Delta
Deal found 3/1![Delta logo]()
$171
This United Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/157:18 am
DTW
- ORD
Nonstop1h 35m
United Airlines
Wed 4/227:15 am
ORD
- DTW
Nonstop1h 28m
United Airlines
Deal found 2/25![United Airlines logo]()
$175
This Delta deal was found by Cheapflights users on 3/2. 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 4/26:05 pm
DTW
- ORD
Nonstop1h 29m
Delta
Mon 4/61:57 pm
ORD
- DTW
Nonstop1h 22m
Delta
Deal found 3/2![Delta logo]()
$171
This Southwest deal was found by Cheapflights users on 3/1. 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.
Wed 4/156:50 am
PIT
- MDW
1 stop5h 45m
Southwest
Wed 4/227:50 am
MDW
- PIT
Nonstop1h 25m
Southwest
Deal found 3/1![Southwest logo]()
$189
This United Airlines deal was found by Cheapflights users on 3/1. 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 3/307:00 am
PIT
- ORD
Nonstop1h 48m
United Airlines
Mon 4/69:20 pm
ORD
- PIT
Nonstop1h 33m
United Airlines
Deal found 3/1![United Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 3/258:35 am
DTW
- ORD
Nonstop1h 35m
Delta
Wed 4/17:10 am
ORD
- DTW
Nonstop1h 20m
Delta
Deal found 2/28![Delta logo]()
$171
This Southwest deal was found by Cheapflights users on 3/1. 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.
Tue 3/318:15 am
PIT
- MDW
Nonstop1h 35m
Southwest
Tue 4/71:55 pm
MDW
- PIT
1 stop6h 25m
Southwest
Deal found 3/1![Southwest logo]()
$189
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 3/2410:38 am
PIT
- ORD
Nonstop1h 53m
United Airlines
Wed 3/2510:35 am
ORD
- PIT
Nonstop1h 34m
United Airlines
Deal found 2/27![United Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 3/1. 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.
Tue 4/712:15 pm
DTW
- MDW
Nonstop1h 14m
Delta
Sat 4/116:34 pm
MDW
- DTW
Nonstop1h 11m
Delta
Deal found 3/1![Delta logo]()
$171
This Southwest deal was found by Cheapflights users on 3/1. 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.
Tue 4/146:40 am
PIT
- MDW
2 stops8h 25m
Southwest
Wed 4/1512:45 pm
MDW
- PIT
Nonstop1h 25m
Southwest
Deal found 3/1![Southwest logo]()
$194
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Wed 4/87:00 am
CVG
- ORD
Nonstop1h 31m
United Airlines
Sat 4/116:05 pm
ORD
- CVG
Nonstop1h 24m
United Airlines
Deal found 3/1![United Airlines logo]()
$183
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/228:25 am
DTW
- MDW
Nonstop1h 22m
Delta
Sat 5/21:24 pm
MDW
- DTW
Nonstop1h 15m
Delta
Deal found 2/26![Delta logo]()
$171
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 3/246:15 am
PIT
- ORD
1 stop7h 35m
Southwest
Wed 3/252:40 pm
ORD
- PIT
1 stop6h 15m
Southwest
Deal found 2/28![Southwest logo]()
$199
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/286:00 pm
CAK
- ORD
Nonstop1h 47m
United Airlines
Wed 4/16:55 am
ORD
- CAK
Nonstop1h 29m
United Airlines
Deal found 2/26![United Airlines logo]()
$189
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:35 am
CLE
- ORD
2 stops7h 14m
Delta
Sat 5/26:25 am
ORD
- CLE
2 stops6h 30m
Delta
Deal found 3/2![Delta logo]()
$173
This Southwest deal was found by Cheapflights users on 3/1. 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.
Thu 4/168:00 pm
CMH
- MDW
Nonstop1h 15m
Southwest
Sat 4/183:35 pm
MDW
- CMH
Nonstop1h 10m
Southwest
Deal found 3/1![Southwest logo]()
$200
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/78:30 am
CAK
- ORD
Nonstop1h 53m
United Airlines
Mon 5/116:55 am
ORD
- CAK
Nonstop1h 29m
United Airlines
Deal found 2/27![United Airlines logo]()
$189
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/115:40 pm
DTW
- MDW
Nonstop1h 14m
Delta
Mon 4/139:27 am
MDW
- DTW
Nonstop1h 12m
Delta
Deal found 2/26![Delta logo]()
$175
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 am
CAK
- ORD
Nonstop1h 53m
United Airlines
Sun 5/176:55 am
ORD
- CAK
Nonstop1h 29m
United Airlines
Deal found 2/28![United Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/221:20 pm
DTW
- MDW
1 stop7h 10m
Southwest
Sat 5/27:50 am
MDW
- DTW
Nonstop1h 10m
Southwest
Deal found 2/26![Southwest logo]()
$208
Last-minute flights from Ohio to IllinoisDiscover last-minute flight deals from Ohio to Illinois. Data last updated March 2, 2026 and is based on user searches.
Discover last-minute flight deals from Ohio to Illinois. Data last updated March 2, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 3/288:00 pm
CLE
- MDW
Nonstop1h 20m
Southwest
Sat 4/46:55 pm
MDW
- CLE
Nonstop1h 10m
Southwest
Deal found 2/28![Southwest logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/76:05 pm
CLE
- ORD
1 stop29h 34m
Frontier
Tue 4/146:08 pm
ORD
- CLE
1 stop15h 28m
Frontier
Deal found 2/28![Frontier logo]()
$134
This Southwest deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/72:45 pm
CLE
- MDW
Nonstop1h 20m
Southwest
Tue 4/76:05 pm
MDW
- CLE
Nonstop1h 15m
Southwest
Deal found 2/25![Southwest logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/135:30 am
CLE
- MDW
1 stop17h 49m
Frontier
Fri 5/12:15 pm
MDW
- CLE
1 stop5h 39m
Frontier
Deal found 2/26![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/136:05 pm
CLE
- ORD
1 stop23h 55m
Frontier
Fri 5/14:28 pm
ORD
- CLE
1 stop17h 15m
Frontier
Deal found 2/26![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/163:44 pm
CLE
- MDW
1 stop7h 35m
Frontier
Thu 5/72:20 pm
MDW
- CLE
1 stop7h 54m
Frontier
Deal found 2/27![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/1. 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.
Fri 4/178:25 pm
CLE
- ORD
1 stop20h 49m
Multiple Airlines
Tue 4/216:08 pm
ORD
- CLE
1 stop15h 28m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/1811:51 am
CLE
- ORD
1 stop10h 21m
Multiple Airlines
Wed 4/226:08 pm
ORD
- CLE
1 stop12h 36m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/185:21 pm
CLE
- ORD
1 stop17h 24m
Frontier
Mon 4/204:28 pm
ORD
- CLE
1 stop14h 16m
Frontier
Deal found 2/26![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/1811:51 am
CLE
- ORD
1 stop10h 21m
Multiple Airlines
Mon 4/205:50 am
ORD
- CLE
1 stop14h 50m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/2211:46 am
CLE
- ORD
1 stop6h 14m
Multiple Airlines
Sat 4/259:16 am
ORD
- CLE
1 stop7h 39m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/2511:51 am
CLE
- MDW
1 stop7h 46m
Frontier
Sun 4/266:00 am
MDW
- CLE
1 stop7h 49m
Frontier
Deal found 2/26![Frontier logo]()
$134
One-way flights from Ohio to IllinoisSearch for one-way flight options from Ohio to Illinois. Find affordable one-way fares based on user searches. Data last updated March 2, 2026.
Search for one-way flight options from Ohio to Illinois. Find affordable one-way fares based on user searches. Data last updated March 2, 2026.
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/67:10 pm
CMH
- MDW
Nonstop1h 15m
Southwest
Deal found 2/27![Southwest logo]()
$49
This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/152:52 pm
CMH
- ORD
Nonstop1h 37m
American Airlines
Deal found 2/26![American Airlines logo]()
$49
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/66:45 pm
CLE
- MDW
Nonstop1h 15m
Southwest
Deal found 2/27![Southwest logo]()
$49
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/67:00 am
CLE
- ORD
Nonstop1h 33m
United Airlines
Deal found 2/26![United Airlines logo]()
$49
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/248:00 pm
CMH
- MDW
Nonstop1h 15m
Southwest
Deal found 2/27![Southwest logo]()
$59
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/145:40 am
CMH
- ORD
Nonstop1h 36m
United Airlines
Deal found 2/26![United Airlines logo]()
$59
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/197:20 pm
CLE
- MDW
1 stop3h 55m
Southwest
Deal found 2/27![Southwest logo]()
$59
This American Airlines deal was found by Cheapflights users on 3/2. 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.
Wed 4/156:00 am
DTW
- ORD
Nonstop1h 24m
American Airlines
Deal found 3/2![American Airlines logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/68:01 pm
CLE
- MDW
1 stop13h 03m
Frontier
Deal found 2/26![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/128:03 pm
CMH
- MDW
1 stop27h 16m
Frontier
Deal found 2/26![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/1811:51 am
CLE
- MDW
1 stop7h 46m
Frontier
Deal found 2/26![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/283:33 pm
CLE
- ORD
1 stop19h 29m
Frontier
Deal found 2/28![Frontier logo]()
$63
Find flight deals from Ohio to Illinois
Keep the following information in mind while searching for Ohio to Illinois flight deals. Data was last updated March 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $134 (Kiwi.com) |
One-way from | $49 (Southwest) |
Popular in | January |
Cheapest in | August |
Average price | $243 |
Good round-trip deal | $310 or less |
Good one-way deal | $174 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ohio to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 2, 2026.
Use the filters below to find and compare flights from Ohio to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
ClevelandChicago
CLE - ORD
CLEORD
Cleveland Hopkins Intl
Mon 4/13
7:40 pm-8:29 pm
Nonstop1h 49m
Chicago O'Hare Intl
Fri 5/1
9:00 am-11:35 am
Nonstop1h 35m
$143
ClevelandChicago
CLE - ORD
CLEORD
Cleveland Hopkins Intl
Wed 5/6
12:35 pm-8:40 pm
2 stops9h 05m
Chicago O'Hare Intl
Fri 5/8
7:00 am-1:23 pm
1 stop5h 23m
$165
ClevelandChicago
CLE - ORD
CLEORD
Cleveland Hopkins Intl
Sat 4/25
11:00 am-11:39 am
Nonstop1h 39m
Chicago O'Hare Intl
Sat 5/2
7:30 am-9:59 am
Nonstop1h 29m
$171
DetroitChicago
DTW - ORD
DTWORD
Detroit Metropolitan Wayne County
Mon 4/13
6:15 pm-6:52 pm
Nonstop1h 37m
Chicago O'Hare Intl
Mon 4/20
11:00 am-1:24 pm
Nonstop1h 24m
$171
ClevelandChicago
CLE - ORD
CLEORD
Cleveland Hopkins Intl
Tue 3/24
7:02 am-7:42 am
Nonstop1h 40m
Chicago O'Hare Intl
Wed 3/25
7:30 am-9:48 am
Nonstop1h 18m
$171
DetroitChicago
DTW - ORD
DTWORD
Detroit Metropolitan Wayne County
Tue 3/31
7:48 pm-8:17 pm
Nonstop1h 29m
Chicago O'Hare Intl
Sat 4/4
9:50 am-12:09 pm
Nonstop1h 19m
$171
DetroitChicago
DTW - ORD
DTWORD
Detroit Metropolitan Wayne County
Wed 5/6
3:50 pm-4:18 pm
Nonstop1h 28m
Chicago O'Hare Intl
Sat 5/9
7:00 am-9:29 am
Nonstop1h 29m
$171
DetroitChicago
DTW - ORD
DTWORD
Detroit Metropolitan Wayne County
Thu 4/2
6:05 pm-6:34 pm
Nonstop1h 29m
Chicago O'Hare Intl
Mon 4/6
1:57 pm-4:19 pm
Nonstop1h 22m
$171
DetroitChicago
DTW - ORD
DTWORD
Detroit Metropolitan Wayne County
Wed 3/25
8:35 am-9:10 am
Nonstop1h 35m
Chicago O'Hare Intl
Wed 4/1
7:10 am-9:30 am
Nonstop1h 20m
$171
DetroitChicago
DTW - MDW
DTWMDW
Detroit Metropolitan Wayne County
Tue 4/7
12:15 pm-12:29 pm
Nonstop1h 14m
Chicago Midway
Sat 4/11
6:34 pm-8:45 pm
Nonstop1h 11m
$171
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ohio to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Ohio with our price prediction graph.
CLE-MDW
CLE-ORD
CMH-MDW
CVG-ORD
DTW-MDW
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 Ohio to Illinois
USOH-USIL
CLE-MDW
CLE-ORD
CMH-MDW
CVG-ORD
What is the cheapest month to book a flight from Ohio to Illinois?
Currently, September is the cheapest month in which you can book a flight from Ohio to Illinois (average of $96). Flying from Ohio to Illinois in May is currently the most expensive (average of $144). 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 OH to IL?
Find hourly flight availability from Ohio 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 March 2, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 25% on flights from Ohio to Illinois by exploring options for tickets in the morning.
What is the cheapest day to fly from Ohio to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Ohio to Illinois. Price data was last updated on February 21, 2026.
Travelers seeking maximum savings on their Ohio to Illinois flight should consider departing on Tuesday evenings 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 Ohio to Illinois
Explore weekly flight availability from Ohio 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 March 2, 2026.
The most flights from USOH to USIL are scheduled on a Monday (60 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (29 on average).
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 March 2, 2026.
Read through reviews of airlines operating flights from Ohio to Illinois, such as Southwest, United Airlines, and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Related info for your journey
Find useful and relevant information for your journey from Ohio 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 Ohio 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 Ohio to Illinois by cabin class
Find flights from Ohio to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ohio and Illinois flights
Browse other Ohio and Illinois flight options. Last updated on March 2, 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 Ohio after your stay in Illinois
Ohio to Illinois flights
Consider these flights traveling from Ohio to Illinois.
Top 4 airlines flying from Ohio to Illinois
Discover the top 4 airlines that operate flights from Ohio to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$285 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$131 | Average$313 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$139 | Average$304 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$143 | Average$196 | FlexibilityNo cancel fee | On-time62% |