$65+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ORD
May 17 — May 241
Round-trip
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 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 17, 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 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 4/206:45 pm
CID
- ORD
1 stop26h 32m
Multiple Airlines
Thu 5/143:44 pm
ORD
- CID
1 stop26h 11m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 6/102:16 pm
DSM
- ORD
1 stop6h 27m
Multiple Airlines
Sat 6/277:52 pm
ORD
- DSM
1 stop27h 00m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/278:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Mon 6/18:08 pm
STL
- OMA
1 stop23h 16m
Frontier
Deal found 4/13![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/158:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Fri 5/229:06 pm
STL
- OMA
2 stops22h 28m
Frontier
Deal found 4/16![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/278:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Tue 6/28:08 pm
STL
- OMA
1 stop23h 26m
Frontier
Deal found 4/13![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/268:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Tue 6/28:08 pm
STL
- OMA
1 stop23h 26m
Frontier
Deal found 4/13![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/116:45 pm
CID
- ORD
1 stop16h 34m
Multiple Airlines
Thu 5/143:44 pm
ORD
- CID
1 stop26h 11m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$203
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 9/169:03 am
SUX
- ORD
Nonstop1h 54m
United Airlines
Sun 9/204:00 pm
ORD
- SUX
Nonstop1h 53m
United Airlines
Deal found 4/15![United Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/278:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Wed 6/38:08 pm
STL
- OMA
1 stop23h 26m
Frontier
Deal found 4/13![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/268:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Wed 6/38:08 pm
STL
- OMA
1 stop23h 26m
Frontier
Deal found 4/13![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/107:45 am
DSM
- ORD
1 stop24h 37m
Multiple Airlines
Wed 6/38:05 am
ORD
- DSM
2 stops37h 22m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$221
This Expedia deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 4/244:04 pm
OMA
- ORD
1 stop6h 35m
Frontier
Mon 4/275:50 am
ORD
- OMA
1 stop9h 34m
Frontier
Deal found 4/17![Frontier logo]()
$222
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 17, 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 17, 2026.
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 6/276:25 am
CID
- ORD
Nonstop1h 27m
United Airlines
Sun 7/124:45 pm
ORD
- CID
Nonstop1h 21m
United Airlines
Deal found 4/12![United Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 7/1811:30 am
MLI
- ORD
Nonstop1h 20m
American Airlines
Sun 7/2610:41 pm
ORD
- MLI
Nonstop1h 10m
American Airlines
Deal found 4/16![American Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/510:25 am
OMA
- MDW
Nonstop1h 25m
Southwest
Wed 5/610:15 am
MDW
- OMA
Nonstop1h 30m
Southwest
Deal found 4/15![Southwest logo]()
$275
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/612:34 pm
CID
- MDW
1 stop6h 02m
Delta
Sat 5/99:22 am
MDW
- CID
2 stops6h 09m
Delta
Deal found 4/17![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/2810:00 am
CID
- ORD
Nonstop1h 34m
United Airlines
Sun 5/315:45 pm
ORD
- CID
Nonstop1h 18m
United Airlines
Deal found 4/12![United Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/2711:07 am
MLI
- ORD
Nonstop1h 15m
American Airlines
Thu 6/410:41 pm
ORD
- MLI
Nonstop1h 11m
American Airlines
Deal found 4/15![American Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 6/277:43 am
SUX
- ORD
Nonstop1h 52m
United Airlines
Wed 8/194:00 pm
ORD
- SUX
Nonstop1h 53m
United Airlines
Deal found 4/14![United Airlines logo]()
$244
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 6/25:30 am
DSM
- MDW
Nonstop1h 25m
Southwest
Tue 6/910:10 am
MDW
- DSM
Nonstop1h 20m
Southwest
Deal found 4/17![Southwest logo]()
$280
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 6/21:04 pm
DSM
- MDW
1 stop4h 52m
Delta
Tue 6/91:16 pm
MDW
- DSM
1 stop4h 07m
Delta
Deal found 4/17![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 6/26:15 am
DSM
- ORD
1 stop6h 46m
Delta
Tue 6/912:27 pm
ORD
- DSM
1 stop4h 27m
Delta
Deal found 4/17![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 6/14:20 pm
DSM
- STL
1 stop6h 25m
Southwest
Mon 6/86:30 pm
STL
- DSM
1 stop5h 00m
Southwest
Deal found 4/17![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/138:01 am
OMA
- ORD
Nonstop1h 44m
United Airlines
Wed 5/2012:40 pm
ORD
- OMA
Nonstop1h 41m
United Airlines
Deal found 4/13![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/126:15 am
DSM
- ORD
1 stop6h 46m
Delta
Tue 5/196:24 am
ORD
- DSM
1 stop6h 00m
Delta
Deal found 4/13![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/305:35 am
DSM
- STL
1 stop4h 55m
Southwest
Sat 6/64:45 pm
STL
- DSM
1 stop5h 10m
Southwest
Deal found 4/15![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/186:49 pm
OMA
- ORD
Nonstop1h 44m
United Airlines
Wed 5/2012:40 pm
ORD
- OMA
Nonstop1h 41m
United Airlines
Deal found 4/13![United Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/126:25 am
OMA
- ORD
1 stop4h 04m
Delta
Tue 5/196:24 am
ORD
- OMA
1 stop6h 01m
Delta
Deal found 4/13![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/284:20 pm
DSM
- MDW
Nonstop1h 20m
Southwest
Thu 6/44:15 pm
MDW
- DSM
1 stop6h 05m
Southwest
Deal found 4/13![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 6/105:20 am
DSM
- STL
2 stops9h 30m
Southwest
Mon 6/155:35 am
STL
- DSM
1 stop7h 15m
Southwest
Deal found 4/16![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/156:49 pm
OMA
- ORD
Nonstop1h 44m
United Airlines
Wed 5/278:12 pm
ORD
- OMA
Nonstop1h 47m
United Airlines
Deal found 4/13![United Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/166:57 am
CID
- ORD
2 stops5h 59m
Delta
Tue 5/199:25 am
ORD
- CID
2 stops6h 06m
Delta
Deal found 4/12![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 6/15:25 am
DSM
- MDW
Nonstop1h 20m
Southwest
Mon 6/810:05 pm
MDW
- DSM
Nonstop1h 25m
Southwest
Deal found 4/17![Southwest logo]()
$304
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 6/127:55 am
OMA
- ORD
Nonstop1h 50m
United Airlines
Tue 6/169:36 pm
ORD
- OMA
Nonstop1h 44m
United Airlines
Deal found 4/13![United Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/76:15 am
DSM
- ORD
1 stop6h 46m
Delta
Mon 5/115:41 pm
ORD
- DSM
1 stop3h 31m
Delta
Deal found 4/13![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/226:25 am
CID
- ORD
Nonstop1h 27m
United Airlines
Sun 5/249:04 am
ORD
- CID
Nonstop1h 29m
United Airlines
Deal found 4/13![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/76:25 am
OMA
- MDW
1 stop6h 17m
Delta
Sat 5/91:59 pm
MDW
- OMA
1 stop5h 33m
Delta
Deal found 4/12![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/145:25 am
DSM
- STL
1 stop3h 40m
Southwest
Thu 5/217:20 am
STL
- DSM
1 stop4h 25m
Southwest
Deal found 4/16![Southwest logo]()
$311
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 6/66:25 am
CID
- ORD
Nonstop1h 27m
United Airlines
Mon 6/88:10 pm
ORD
- CID
Nonstop1h 21m
United Airlines
Deal found 4/17![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/214:20 pm
DSM
- STL
1 stop6h 25m
Southwest
Sun 5/243:05 pm
STL
- DSM
2 stops7h 05m
Southwest
Deal found 4/13![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:09 pm
CID
- ORD
1 stop4h 53m
Delta
Sun 7/56:30 am
ORD
- CID
1 stop4h 56m
Delta
Deal found 4/15![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/88:30 pm
CID
- ORD
Nonstop1h 26m
United Airlines
Sun 5/109:05 am
ORD
- CID
Nonstop1h 22m
United Airlines
Deal found 4/12![United Airlines logo]()
$309
Last-minute flights from Iowa to IllinoisDiscover last-minute flight deals from Iowa to Illinois. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Iowa to Illinois. Data last updated April 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 4/206:45 pm
CID
- ORD
1 stop26h 32m
Multiple Airlines
Thu 5/143:44 pm
ORD
- CID
1 stop26h 11m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/107:45 am
DSM
- ORD
1 stop24h 37m
Multiple Airlines
Wed 6/38:05 am
ORD
- DSM
2 stops37h 22m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/116:45 pm
CID
- ORD
1 stop16h 34m
Multiple Airlines
Thu 5/143:44 pm
ORD
- CID
1 stop26h 11m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/158:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Fri 5/229:06 pm
STL
- OMA
2 stops22h 28m
Frontier
Deal found 4/16![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/268:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Tue 6/28:08 pm
STL
- OMA
1 stop23h 26m
Frontier
Deal found 4/13![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/268:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Wed 6/38:08 pm
STL
- OMA
1 stop23h 26m
Frontier
Deal found 4/13![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/268:19 pm
OMA
- STL
2 stops12h 36m
Frontier
Mon 6/18:08 pm
STL
- OMA
1 stop23h 16m
Frontier
Deal found 4/13![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/278:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Mon 6/18:08 pm
STL
- OMA
1 stop23h 16m
Frontier
Deal found 4/13![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/278:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Tue 6/28:08 pm
STL
- OMA
1 stop23h 26m
Frontier
Deal found 4/13![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/278:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Wed 6/38:08 pm
STL
- OMA
1 stop23h 26m
Frontier
Deal found 4/13![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/278:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Sun 5/319:06 pm
STL
- OMA
2 stops22h 28m
Frontier
Deal found 4/13![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/284:41 pm
DSM
- ORD
1 stop26h 03m
Multiple Airlines
Mon 6/18:05 am
ORD
- DSM
1 stop15h 19m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$227
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 17, 2026.
Search for one-way flight options from Iowa to Illinois. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 6/168:25 pm
OMA
- STL
1 stop22h 58m
Frontier
Deal found 4/14![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/88:19 pm
OMA
- ORD
1 stop24h 13m
Frontier
Deal found 4/14![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/158:19 pm
OMA
- ORD
1 stop24h 13m
Frontier
Deal found 4/14![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/158:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Deal found 4/16![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/238:19 pm
OMA
- ORD
1 stop24h 13m
Frontier
Deal found 4/14![Frontier logo]()
$87
This Travelocity deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/82:16 pm
DSM
- ORD
1 stop6h 16m
Frontier
Deal found 4/13![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/148:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Deal found 4/15![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 6/102:16 pm
DSM
- ORD
1 stop6h 27m
Frontier
Deal found 4/13![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/268:19 pm
OMA
- ORD
2 stops26h 42m
Frontier
Deal found 4/15![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/108:19 pm
OMA
- STL
1 stop23h 04m
Frontier
Deal found 4/14![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/116:45 pm
CID
- ORD
1 stop28h 30m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/118:19 pm
OMA
- ORD
2 stops26h 42m
Frontier
Deal found 4/14![Frontier logo]()
$96
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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $190 (Kiwi.com) |
One-way from | $65 (Kiwi.com) |
Popular in | April |
Cheapest in | September |
Average price | $354 |
Good round-trip deal | $91 or less |
Good one-way deal | $180 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 17, 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
Cedar RapidsChicago
CID - ORD
CIDORD
Cedar Rapids
Sat 6/27
6:25 am-7:52 am
Nonstop1h 27m
Chicago O'Hare Intl
Sun 7/12
4:45 pm-6:06 pm
Nonstop1h 21m
$239
MolineChicago
MLI - ORD
MLIORD
Moline Quad-City
Sat 7/18
11:30 am-12:50 pm
Nonstop1h 20m
Chicago O'Hare Intl
Sun 7/26
10:41 pm-11:51 pm
Nonstop1h 10m
$239
Cedar RapidsChicago
CID - ORD
CIDORD
Cedar Rapids
Thu 5/28
10:00 am-11:34 am
Nonstop1h 34m
Chicago O'Hare Intl
Sun 5/31
5:45 pm-7:03 pm
Nonstop1h 18m
$239
Quickest round-trip
MolineChicago
MLI - ORD
MLIORD
Moline Quad-City
Wed 5/27
11:07 am-12:22 pm
Nonstop1h 15m
Chicago O'Hare Intl
Thu 6/4
10:41 pm-11:52 pm
Nonstop1h 11m
$239
Sioux CityChicago
SUX - ORD
SUXORD
Sioux City Sioux Gateway
Sat 6/27
7:43 am-9:35 am
Nonstop1h 52m
Chicago O'Hare Intl
Wed 8/19
4:00 pm-5:53 pm
Nonstop1h 53m
$244
OmahaChicago
OMA - MDW
OMAMDW
Omaha Eppley Airfield
Tue 5/5
10:25 am-11:50 am
Nonstop1h 25m
Chicago Midway
Wed 5/6
10:15 am-11:45 am
Nonstop1h 30m
$275
OmahaChicago
OMA - ORD
OMAORD
Omaha Eppley Airfield
Wed 5/13
8:01 am-9:45 am
Nonstop1h 44m
Chicago O'Hare Intl
Wed 5/20
12:40 pm-2:21 pm
Nonstop1h 41m
$275
Cedar RapidsChicago
CID - MDW
CIDMDW
Cedar Rapids
Wed 5/6
12:34 pm-6:36 pm
1 stop6h 02m
Chicago Midway
Sat 5/9
9:22 am-3:31 pm
2 stops6h 09m
$279
Des MoinesChicago
DSM - MDW
DSMMDW
Des Moines
Tue 6/2
5:30 am-6:55 am
Nonstop1h 25m
Chicago Midway
Tue 6/9
10:10 am-11:30 am
Nonstop1h 20m
$280
OmahaChicago
OMA - ORD
OMAORD
Omaha Eppley Airfield
Mon 5/18
6:49 pm-8:33 pm
Nonstop1h 44m
Chicago O'Hare Intl
Wed 5/20
12:40 pm-2:21 pm
Nonstop1h 41m
$283
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.
CID-ORD
DSM-MDW
DSM-STL
OMA-STL
DSM-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
CID-ORD
DSM-MDW
DSM-STL
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 $126). Flying from Iowa to Illinois in January is currently the most expensive (average of $179). 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 17, 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 April 11, 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 17, 2026.
The most flights from USIA to USIL are scheduled on a Thursday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 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 17, 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
Boarding
8.2
Food
8.2
Crew
9.1
Overall
8.1
Comfort
8.6
Entertainment
7.6
Denver Air Connection
Denver Air Connection
Boarding
8.2
Food
8.2
Crew
9.1
Overall
8.1
Comfort
8.6
Entertainment
7.6
Denver Air Connection
Boarding
8.2
Food
8.2
Crew
9.1
Overall
8.1
Comfort
8.6
Entertainment
7.6
Denver Air Connection
Boarding
8.2
Food
8.2
Crew
9.1
Overall
8.1
Comfort
8.6
Entertainment
7.6
Denver Air Connection
Boarding
8.2
Food
8.2
Crew
9.1
Overall
8.1
Comfort
8.6
Entertainment
7.6
Denver Air Connection
Boarding
8.2
Food
8.2
Crew
9.1
Overall
8.1
Comfort
8.6
Entertainment
7.6
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 17, 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$59 | Average$91 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$246 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$168 | Average$222 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$272 | FlexibilityNo cancel fee | On-time69% |