$70+ Cheap flights from Iowa 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ORD
May 1 — May 81
Round-trip
1 adult, Economy
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Find cheap flights from Iowa to Illinois with Cheapflights
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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 Iowa to IllinoisExplore the most affordable flight options available from Iowa to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.
Explore the most affordable flight options available from Iowa to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.
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.
Mon 4/136:45 pm
CID
- ORD
1 stop26h 32m
Multiple Airlines
Thu 5/73:44 pm
ORD
- CID
1 stop26h 11m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Wed 5/68:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Mon 5/118:08 pm
STL
- OMA
1 stop23h 16m
Frontier
Deal found 3/28![Frontier logo]()
$191
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:55 am
MCW
- ORD
Nonstop1h 24m
United Airlines
Sat 5/2312:30 pm
ORD
- MCW
Nonstop1h 28m
United Airlines
Deal found 3/30![United Airlines logo]()
$202
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.
Thu 4/3012:55 pm
SUX
- ORD
Nonstop1h 45m
United Airlines
Mon 5/44:15 pm
ORD
- SUX
Nonstop1h 51m
United Airlines
Deal found 3/31![United Airlines logo]()
$204
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.
Sun 5/32:36 pm
DSM
- ORD
1 stop17h 46m
Multiple Airlines
Sat 5/307:52 pm
ORD
- DSM
1 stop26h 39m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Thu 5/78:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Mon 5/118:08 pm
STL
- OMA
1 stop23h 16m
Frontier
Deal found 3/28![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/62:16 pm
DSM
- ORD
1 stop6h 21m
Multiple Airlines
Wed 5/131:18 pm
ORD
- DSM
1 stop25h 57m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/58:19 pm
OMA
- STL
2 stops12h 36m
Frontier
Mon 5/118:08 pm
STL
- OMA
1 stop23h 16m
Frontier
Deal found 3/28![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Mon 4/276:45 pm
CID
- ORD
1 stop29h 39m
Multiple Airlines
Mon 5/45:05 am
ORD
- CID
1 stop12h 50m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Mon 5/48:43 pm
OMA
- STL
2 stops20h 53m
Frontier
Mon 5/118:08 pm
STL
- OMA
1 stop23h 16m
Frontier
Deal found 3/28![Frontier logo]()
$224
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:15 am
LSE
- ORD
Nonstop1h 23m
United Airlines
Mon 5/254:45 pm
ORD
- LSE
Nonstop1h 25m
United Airlines
Deal found 3/30![United Airlines logo]()
$229
This Trip.com deal was found by Cheapflights users on 3/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:54 pm
OMA
- ORD
1 stop8h 45m
Frontier
Sat 4/115:53 pm
ORD
- OMA
1 stop26h 21m
Frontier
Deal found 3/28![Frontier logo]()
$232
Best flights from Iowa to IllinoisDiscover carefully curated flight deals from Iowa to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 1, 2026.
Discover carefully curated flight deals from Iowa to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 1, 2026.
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Fri 4/247:19 pm
MCW
- ORD
Nonstop1h 28m
United Airlines
Sun 4/266:50 am
ORD
- MCW
Nonstop1h 27m
United Airlines
Deal found 3/28![United Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:37 pm
LSE
- ORD
Nonstop1h 35m
American Airlines
Thu 6/43:39 pm
ORD
- LSE
Nonstop1h 25m
American Airlines
Deal found 3/27![American Airlines logo]()
$229
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.
Wed 6/243:50 pm
OMA
- MDW
Nonstop1h 25m
Southwest
Tue 6/3012:20 pm
MDW
- OMA
Nonstop1h 25m
Southwest
Deal found 4/1![Southwest logo]()
$275
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.
Wed 6/2410:23 am
OMA
- ORD
1 stop6h 03m
Delta
Tue 6/306:30 am
ORD
- OMA
1 stop3h 46m
Delta
Deal found 4/1![Delta logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Mon 5/46:45 pm
CID
- ORD
2 stops37h 10m
Multiple Airlines
Sat 5/99:42 pm
ORD
- CID
1 stop15h 24m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$325
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:43 am
SUX
- ORD
Nonstop1h 52m
United Airlines
Sun 7/264:00 pm
ORD
- SUX
Nonstop1h 54m
United Airlines
Deal found 3/30![United Airlines logo]()
$204
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:52 am
LSE
- ORD
Nonstop1h 22m
American Airlines
Thu 6/2510:45 pm
ORD
- LSE
Nonstop1h 21m
American Airlines
Deal found 4/1![American Airlines logo]()
$229
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:37 pm
LSE
- ORD
Nonstop1h 35m
American Airlines
Mon 5/48:11 am
ORD
- LSE
Nonstop1h 24m
American Airlines
Deal found 3/28![American Airlines logo]()
$229
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:42 am
LSE
- ORD
Nonstop1h 24m
United Airlines
Sat 5/1611:52 am
ORD
- LSE
Nonstop1h 22m
United Airlines
Deal found 3/30![United Airlines logo]()
$229
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:37 pm
LSE
- ORD
Nonstop1h 35m
American Airlines
Mon 5/48:11 am
ORD
- LSE
Nonstop1h 24m
American Airlines
Deal found 4/1![American Airlines logo]()
$229
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:15 am
LSE
- ORD
Nonstop1h 23m
United Airlines
Mon 5/254:45 pm
ORD
- LSE
Nonstop1h 25m
United Airlines
Deal found 3/30![United Airlines logo]()
$229
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 5/135:30 am
DSM
- MDW
Nonstop1h 25m
Southwest
Tue 5/196:30 am
MDW
- DSM
1 stop7h 35m
Southwest
Deal found 3/31![Southwest logo]()
$279
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:15 am
LSE
- ORD
Nonstop1h 23m
United Airlines
Sun 6/144:45 pm
ORD
- LSE
Nonstop1h 25m
United Airlines
Deal found 3/30![United Airlines logo]()
$229
This Southwest deal was found by Cheapflights users on 3/28. 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 4/284:45 pm
OMA
- STL
Nonstop1h 15m
Southwest
Thu 4/305:40 am
STL
- OMA
1 stop6h 05m
Southwest
Deal found 3/28![Southwest logo]()
$279
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:10 am
DSM
- MDW
1 stop6h 33m
Delta
Sat 4/259:46 am
MDW
- DSM
1 stop5h 55m
Delta
Deal found 3/27![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:40 am
LSE
- ORD
Nonstop1h 31m
American Airlines
Sat 4/188:11 am
ORD
- LSE
Nonstop1h 24m
American Airlines
Deal found 3/28![American Airlines logo]()
$244
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 pm
OMA
- STL
1 stop4h 30m
Southwest
Mon 4/279:40 pm
STL
- OMA
Nonstop1h 20m
Southwest
Deal found 3/29![Southwest logo]()
$279
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:10 am
DSM
- ORD
1 stop4h 09m
Delta
Sat 5/26:25 am
ORD
- DSM
1 stop3h 51m
Delta
Deal found 3/30![Delta logo]()
$311
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:46 am
CID
- ORD
Nonstop1h 29m
United Airlines
Sun 5/38:19 pm
ORD
- CID
Nonstop1h 19m
United Airlines
Deal found 3/30![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 3/28. 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 4/185:15 am
OMA
- STL
1 stop5h 15m
Southwest
Mon 4/209:40 pm
STL
- OMA
Nonstop1h 20m
Southwest
Deal found 3/28![Southwest logo]()
$279
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 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.
Sat 5/24:23 pm
DSM
- ORD
1 stop3h 29m
Delta
Mon 5/46:25 am
ORD
- DSM
1 stop3h 51m
Delta
Deal found 3/29![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Fri 6/121:15 pm
MLI
- ORD
Nonstop1h 14m
United Airlines
Sun 6/147:40 pm
ORD
- MLI
Nonstop1h 24m
United Airlines
Deal found 3/28![United Airlines logo]()
$239
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.
Tue 4/216:25 am
OMA
- MDW
1 stop6h 18m
Delta
Tue 4/282:12 pm
MDW
- OMA
1 stop5h 20m
Delta
Deal found 3/29![Delta logo]()
$311
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:37 pm
LSE
- ORD
Nonstop1h 35m
American Airlines
Sun 4/198:11 am
ORD
- LSE
Nonstop1h 24m
American Airlines
Deal found 3/30![American Airlines logo]()
$259
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 5/263:15 pm
DSM
- MDW
Nonstop1h 20m
Southwest
Thu 5/286:00 am
MDW
- DSM
1 stop7h 10m
Southwest
Deal found 3/30![Southwest logo]()
$290
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Fri 5/19:55 am
MCW
- ORD
Nonstop1h 24m
United Airlines
Sun 5/106:50 am
ORD
- MCW
Nonstop1h 27m
United Airlines
Deal found 3/28![United Airlines logo]()
$242
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:40 am
LSE
- ORD
Nonstop1h 31m
American Airlines
Sun 4/1910:33 pm
ORD
- LSE
Nonstop1h 21m
American Airlines
Deal found 3/30![American Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 3/27. 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.
Mon 5/114:20 pm
DSM
- MDW
Nonstop1h 20m
Southwest
Mon 5/1810:20 am
MDW
- DSM
Nonstop1h 25m
Southwest
Deal found 3/27![Southwest logo]()
$291
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.
Sat 8/12:52 pm
MCW
- ORD
Nonstop1h 30m
United Airlines
Sun 8/27:35 am
ORD
- MCW
Nonstop1h 35m
United Airlines
Deal found 3/31![United Airlines logo]()
$242
Last-minute flights from Iowa to IllinoisDiscover last-minute flight deals from Iowa to Illinois. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Iowa to Illinois. Data last updated April 1, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 3/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:54 pm
OMA
- ORD
1 stop8h 45m
Frontier
Sat 4/115:53 pm
ORD
- OMA
1 stop26h 21m
Frontier
Deal found 3/28![Frontier logo]()
$232
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.
Mon 4/136:45 pm
CID
- ORD
1 stop26h 32m
Multiple Airlines
Thu 5/73:44 pm
ORD
- CID
1 stop26h 11m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$175
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.
Fri 4/174:04 pm
OMA
- ORD
1 stop6h 35m
Frontier
Sun 4/1910:50 am
ORD
- OMA
1 stop9h 23m
Frontier
Deal found 3/31![Frontier logo]()
$235
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:55 am
MCW
- ORD
Nonstop1h 24m
United Airlines
Sat 5/2312:30 pm
ORD
- MCW
Nonstop1h 28m
United Airlines
Deal found 3/30![United Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Mon 4/276:45 pm
CID
- ORD
1 stop29h 39m
Multiple Airlines
Mon 5/45:05 am
ORD
- CID
1 stop12h 50m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$222
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.
Mon 4/276:33 pm
DSM
- ORD
2 stops29h 51m
Multiple Airlines
Thu 4/301:27 pm
ORD
- DSM
1 stop8h 39m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$238
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.
Thu 4/3012:55 pm
SUX
- ORD
Nonstop1h 45m
United Airlines
Mon 5/44:15 pm
ORD
- SUX
Nonstop1h 51m
United Airlines
Deal found 3/31![United Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Mon 5/48:43 pm
OMA
- STL
2 stops20h 53m
Frontier
Mon 5/118:08 pm
STL
- OMA
1 stop23h 16m
Frontier
Deal found 3/28![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/58:19 pm
OMA
- STL
2 stops12h 36m
Frontier
Mon 5/118:08 pm
STL
- OMA
1 stop23h 16m
Frontier
Deal found 3/28![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/58:19 pm
OMA
- STL
2 stops12h 36m
Frontier
Sat 5/98:08 pm
STL
- OMA
1 stop23h 26m
Frontier
Deal found 3/28![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Wed 5/68:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Mon 5/118:08 pm
STL
- OMA
1 stop23h 16m
Frontier
Deal found 3/28![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Thu 5/78:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Mon 5/118:08 pm
STL
- OMA
1 stop23h 16m
Frontier
Deal found 3/28![Frontier logo]()
$211
One-way flights from Iowa to IllinoisSearch for one-way flight options from Iowa to Illinois. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
Search for one-way flight options from Iowa to Illinois. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
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.
Wed 5/132:16 pm
DSM
- ORD
1 stop6h 21m
Frontier
Deal found 3/31![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 3/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:04 pm
OMA
- MDW
1 stop6h 22m
Frontier
Deal found 3/27![Frontier logo]()
$70
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.
Fri 4/244:04 pm
OMA
- ORD
1 stop6h 35m
Frontier
Deal found 3/29![Frontier logo]()
$70
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.
Tue 6/28:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Deal found 4/1![Frontier logo]()
$78
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.
Tue 6/28:19 pm
OMA
- ORD
1 stop24h 18m
Frontier
Deal found 3/31![Frontier logo]()
$84
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.
Mon 6/18:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Deal found 4/1![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/246:45 pm
CID
- ORD
1 stop26h 32m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$87
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:16 pm
DSM
- ORD
1 stop6h 21m
Frontier
Deal found 3/31![Frontier logo]()
$90
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.
Mon 4/274:19 pm
OMA
- MDW
1 stop6h 00m
Frontier
Deal found 3/30![Frontier logo]()
$90
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:54 pm
OMA
- ORD
1 stop8h 45m
Frontier
Deal found 3/30![Frontier logo]()
$90
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.
Fri 4/176:45 pm
CID
- ORD
1 stop26h 32m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$93
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:58 pm
OMA
- ORD
1 stop12h 52m
Frontier
Deal found 3/30![Frontier logo]()
$95
Find flight deals from Iowa to Illinois
Keep the following information in mind while searching for Iowa to Illinois flight deals. Data was last updated April 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $175 (Kiwi.com) |
One-way from | $70 (Frontier) |
Popular in | March |
Cheapest in | September |
Average price | $249 |
Good round-trip deal | $218 or less |
Good one-way deal | $199 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Iowa 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 April 1, 2026.
Use the filters below to find and compare flights from Iowa to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Mason CityChicago
MCW - ORD
MCWORD
Mason City
Fri 4/24
7:19 pm-8:47 pm
Nonstop1h 28m
Chicago O'Hare Intl
Sun 4/26
6:50 am-8:17 am
Nonstop1h 27m
$202
Sioux CityChicago
SUX - ORD
SUXORD
Sioux City Sioux Gateway
Wed 7/22
7:43 am-9:35 am
Nonstop1h 52m
Chicago O'Hare Intl
Sun 7/26
4:00 pm-5:54 pm
Nonstop1h 54m
$204
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Thu 4/30
6:37 pm-8:12 pm
Nonstop1h 35m
Chicago O'Hare Intl
Thu 6/4
3:39 pm-5:04 pm
Nonstop1h 25m
$229
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Fri 6/19
11:52 am-1:14 pm
Nonstop1h 22m
Chicago O'Hare Intl
Thu 6/25
10:45 pm-12:06 am
Nonstop1h 21m
$229
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Mon 4/27
6:37 pm-8:12 pm
Nonstop1h 35m
Chicago O'Hare Intl
Mon 5/4
8:11 am-9:35 am
Nonstop1h 24m
$229
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Fri 5/15
9:42 am-11:06 am
Nonstop1h 24m
Chicago O'Hare Intl
Sat 5/16
11:52 am-1:14 pm
Nonstop1h 22m
$229
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Sat 4/25
6:37 pm-8:12 pm
Nonstop1h 35m
Chicago O'Hare Intl
Mon 5/4
8:11 am-9:35 am
Nonstop1h 24m
$229
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Fri 5/22
6:15 am-7:38 am
Nonstop1h 23m
Chicago O'Hare Intl
Mon 5/25
4:45 pm-6:10 pm
Nonstop1h 25m
$229
La CrosseChicago
LSE - ORD
LSEORD
La Crosse
Fri 6/12
6:15 am-7:38 am
Nonstop1h 23m
Chicago O'Hare Intl
Sun 6/14
4:45 pm-6:10 pm
Nonstop1h 25m
$229
Cedar RapidsChicago
CID - ORD
CIDORD
Cedar Rapids
Sat 5/2
9:46 am-11:15 am
Nonstop1h 29m
Chicago O'Hare Intl
Sun 5/3
8:19 pm-9:38 pm
Nonstop1h 19m
$239
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Iowa to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Iowa with our price prediction graph.
DSM-ORD
OMA-MDW
OMA-ORD
OMA-STL
CID-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 Iowa to Illinois
USIA-USIL
DSM-ORD
OMA-MDW
OMA-ORD
OMA-STL
What is the cheapest month to book a flight from Iowa to Illinois?
Currently, February is the cheapest month in which you can book a flight from Iowa to Illinois (average of $140). Flying from Iowa to Illinois in July is currently the most expensive (average of $189). 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 IA to IL?
Find hourly flight availability from Iowa 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 April 1, 2026.
One of the essential ways to save on airfare from Iowa to Illinois is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 28% on airfare.
What is the cheapest day to fly from Iowa to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Iowa to Illinois. Price data was last updated on March 28, 2026.
Travelers seeking maximum savings on their Iowa to Illinois flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Iowa to Illinois
Explore weekly flight availability from Iowa 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 April 1, 2026.
The most flights from USIA to USIL are scheduled on a Monday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Iowa to Illinois?
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 April 1, 2026.
See what other customers who have flown with Denver Air Connection,Southwest, andContour from Iowa to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Denver Air Connection
Comfort
8.6
Entertainment
7.6
Boarding
8.2
Overall
8.1
Crew
9.1
Food
8.2
Denver Air Connection
Denver Air Connection
Comfort
8.6
Entertainment
7.6
Boarding
8.2
Overall
8.1
Crew
9.1
Food
8.2
Denver Air Connection
Comfort
8.6
Entertainment
7.6
Boarding
8.2
Overall
8.1
Crew
9.1
Food
8.2
Denver Air Connection
Comfort
8.6
Entertainment
7.6
Boarding
8.2
Overall
8.1
Crew
9.1
Food
8.2
Denver Air Connection
Comfort
8.6
Entertainment
7.6
Boarding
8.2
Overall
8.1
Crew
9.1
Food
8.2
Denver Air Connection
Comfort
8.6
Entertainment
7.6
Boarding
8.2
Overall
8.1
Crew
9.1
Food
8.2
Related info for your journey
Find useful and relevant information for your journey from Iowa to Illinois. 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
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Alternative routes for Iowa 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 Iowa to Illinois by cabin class
Find flights from Iowa to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Iowa and Illinois flights
Browse other Iowa and Illinois flight options. Last updated on April 1, 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 Iowa after your stay in Illinois
Iowa to Illinois flights
Consider these flights traveling from Iowa to Illinois.
Top 4 airlines flying from Iowa to Illinois
Discover the top 4 airlines that operate flights from Iowa 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 April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$59 | Average$91 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$315 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$168 | Average$222 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$269 | FlexibilityNo cancel fee | On-time69% |