$84+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ORD
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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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 June 23, 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 June 23, 2026.
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/107:10 pm
MCW
- ORD
Nonstop1h 30m
United Airlines
Sun 7/124:47 pm
ORD
- MCW
Nonstop1h 38m
United Airlines
Deal found 6/18![United Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/35:55 pm
CID
- ORD
1 stop18h 20m
Multiple Airlines
Fri 8/148:05 am
ORD
- CID
1 stop9h 29m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$215
This Booking.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:15 pm
OMA
- STL
1 stop23h 08m
Frontier
Tue 8/48:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Deal found 6/22![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 8/176:07 pm
DSM
- ORD
1 stop18h 53m
Multiple Airlines
Sun 9/66:00 am
ORD
- DSM
1 stop13h 57m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/106:30 am
CID
- ORD
Nonstop1h 21m
United Airlines
Mon 7/139:20 pm
ORD
- CID
Nonstop1h 22m
United Airlines
Deal found 6/18![United Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/176:30 am
MLI
- ORD
Nonstop1h 16m
United Airlines
Mon 7/278:45 am
ORD
- MLI
Nonstop1h 19m
United Airlines
Deal found 6/19![United Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/169:45 am
MCW
- ORD
Nonstop1h 30m
United Airlines
Thu 7/234:47 pm
ORD
- MCW
Nonstop1h 38m
United Airlines
Deal found 6/18![United Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:15 pm
MCW
- ORD
Nonstop1h 33m
United Airlines
Sun 8/167:14 am
ORD
- MCW
Nonstop1h 37m
United Airlines
Deal found 6/22![United Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/35:55 pm
CID
- ORD
1 stop18h 20m
Multiple Airlines
Mon 8/108:05 am
ORD
- CID
1 stop9h 29m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$243
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:15 pm
MLI
- ORD
Nonstop1h 14m
United Airlines
Fri 8/146:15 pm
ORD
- MLI
Nonstop1h 16m
United Airlines
Deal found 6/22![United Airlines logo]()
$248
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 8/42:40 pm
DSM
- MDW
Nonstop1h 20m
Southwest
Tue 8/1110:30 am
MDW
- DSM
Nonstop1h 20m
Southwest
Deal found 6/21![Southwest logo]()
$253
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 8/263:20 pm
DSM
- ORD
Nonstop1h 43m
United Airlines
Sat 8/2912:50 pm
ORD
- DSM
Nonstop1h 26m
United Airlines
Deal found 6/20![United Airlines logo]()
$253
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 June 23, 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 June 23, 2026.
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 10/2710:10 am
MCW
- ORD
Nonstop1h 25m
United Airlines
Wed 12/24:50 pm
ORD
- MCW
Nonstop1h 29m
United Airlines
Deal found 6/22![United Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/266:10 am
DSM
- MDW
Nonstop1h 20m
Southwest
Sat 8/296:00 pm
MDW
- DSM
Nonstop1h 25m
Southwest
Deal found 6/22![Southwest logo]()
$253
This American Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/226:33 pm
DSM
- STL
1 stop5h 43m
American Airlines
Wed 7/295:58 pm
STL
- DSM
1 stop6h 03m
American Airlines
Deal found 6/22![American Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/105:56 pm
DSM
- STL
1 stop5h 30m
Delta
Tue 8/1811:13 am
STL
- DSM
1 stop5h 37m
Delta
Deal found 6/19![Delta logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/110:59 am
DSM
- RFD
1 stop21h 30m
Allegiant Air
Sun 7/511:27 am
RFD
- DSM
1 stop28h 23m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 9/187:13 pm
MCW
- ORD
Nonstop1h 33m
United Airlines
Sun 9/205:00 pm
ORD
- MCW
Nonstop1h 38m
United Airlines
Deal found 6/21![United Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/88:00 am
DSM
- RFD
2 stops26h 47m
Multiple Airlines
Mon 8/106:26 pm
RFD
- DSM
1 stop17h 37m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:15 pm
MCW
- ORD
Nonstop1h 33m
United Airlines
Mon 8/174:47 pm
ORD
- MCW
Nonstop1h 38m
United Airlines
Deal found 6/21![United Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/107:10 pm
MCW
- ORD
Nonstop1h 30m
United Airlines
Sun 7/124:47 pm
ORD
- MCW
Nonstop1h 38m
United Airlines
Deal found 6/18![United Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/179:45 am
MCW
- ORD
Nonstop1h 30m
United Airlines
Mon 7/204:47 pm
ORD
- MCW
Nonstop1h 38m
United Airlines
Deal found 6/19![United Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/266:55 am
DSM
- STL
1 stop5h 59m
American Airlines
Mon 8/318:07 pm
STL
- DSM
1 stop4h 13m
American Airlines
Deal found 6/19![American Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/225:20 am
DSM
- STL
1 stop4h 15m
Southwest
Wed 7/2910:15 am
STL
- DSM
2 stops12h 35m
Southwest
Deal found 6/22![Southwest logo]()
$274
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/229:26 am
MCW
- ORD
Nonstop1h 33m
United Airlines
Sun 8/237:14 am
ORD
- MCW
Nonstop1h 37m
United Airlines
Deal found 6/22![United Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 9/28:20 am
OMA
- STL
Nonstop1h 15m
Southwest
Wed 9/98:30 am
STL
- OMA
Nonstop1h 15m
Southwest
Deal found 6/22![Southwest logo]()
$275
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/212:45 pm
DSM
- MDW
1 stop3h 33m
Delta
Thu 7/231:18 pm
MDW
- DSM
1 stop3h 54m
Delta
Deal found 6/18![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 8/267:15 pm
MCW
- ORD
Nonstop1h 33m
United Airlines
Sun 8/307:14 am
ORD
- MCW
Nonstop1h 37m
United Airlines
Deal found 6/21![United Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 9/84:40 pm
OMA
- STL
Nonstop1h 15m
Southwest
Wed 9/98:50 pm
STL
- OMA
Nonstop1h 15m
Southwest
Deal found 6/21![Southwest logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/810:59 am
DSM
- RFD
1 stop21h 30m
Allegiant Air
Fri 7/107:50 pm
RFD
- DSM
1 stop20h 19m
Allegiant Air
Deal found 6/22![Allegiant Air logo]()
$339
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/265:56 pm
DSM
- ORD
1 stop3h 51m
Delta
Sat 8/2911:22 am
ORD
- DSM
1 stop5h 56m
Delta
Deal found 6/22![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 8/87:00 am
DSM
- STL
1 stop5h 55m
American Airlines
Sun 8/98:07 pm
STL
- DSM
1 stop4h 13m
American Airlines
Deal found 6/18![American Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/158:00 am
DSM
- RFD
1 stop11h 59m
Allegiant Air
Sun 7/1911:27 am
RFD
- DSM
1 stop28h 23m
Allegiant Air
Deal found 6/21![Allegiant Air logo]()
$344
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/103:50 pm
DSM
- STL
1 stop6h 15m
Southwest
Tue 8/183:05 pm
STL
- DSM
2 stops6h 50m
Southwest
Deal found 6/19![Southwest logo]()
$286
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/74:19 pm
CID
- ORD
1 stop5h 33m
Delta
Tue 7/215:54 pm
ORD
- CID
1 stop4h 56m
Delta
Deal found 6/19![Delta logo]()
$342
This Southwest deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 8/187:15 am
DSM
- MDW
2 stops9h 45m
Southwest
Wed 8/192:15 pm
MDW
- DSM
1 stop6h 45m
Southwest
Deal found 6/20![Southwest logo]()
$288
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 11/48:20 am
MLI
- ORD
Nonstop1h 14m
United Airlines
Thu 12/311:00 pm
ORD
- MLI
Nonstop1h 14m
United Airlines
Deal found 6/19![United Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 8/279:28 am
DSM
- RFD
1 stop5h 41m
Allegiant Air
Sun 8/309:35 pm
RFD
- DSM
1 stop22h 29m
Allegiant Air
Deal found 6/20![Allegiant Air logo]()
$356
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 8/66:00 am
DSM
- ORD
1 stop7h 08m
Delta
Sun 8/96:00 am
ORD
- DSM
1 stop4h 18m
Delta
Deal found 6/21![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/183:47 pm
MLI
- ORD
Nonstop1h 18m
United Airlines
Thu 7/308:45 am
ORD
- MLI
Nonstop1h 19m
United Airlines
Deal found 6/18![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/215:20 am
DSM
- MDW
Nonstop1h 20m
Southwest
Thu 7/2310:10 am
MDW
- DSM
Nonstop1h 20m
Southwest
Deal found 6/18![Southwest logo]()
$291
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:15 pm
MLI
- ORD
Nonstop1h 14m
United Airlines
Fri 8/146:15 pm
ORD
- MLI
Nonstop1h 16m
United Airlines
Deal found 6/21![United Airlines logo]()
$239
Last-minute flights from Iowa to IllinoisDiscover last-minute flight deals from Iowa to Illinois. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Iowa to Illinois. Data last updated June 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/68:07 am
CID
- ORD
Nonstop1h 23m
United Airlines
Sat 7/1112:40 pm
ORD
- CID
Nonstop1h 21m
United Airlines
Deal found 6/18![United Airlines logo]()
$254
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/910:40 am
MLI
- ORD
Nonstop1h 18m
United Airlines
Sun 7/128:45 am
ORD
- MLI
Nonstop1h 19m
United Airlines
Deal found 6/20![United Airlines logo]()
$254
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/107:10 pm
MCW
- ORD
Nonstop1h 30m
United Airlines
Sun 7/124:47 pm
ORD
- MCW
Nonstop1h 38m
United Airlines
Deal found 6/18![United Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/106:30 am
CID
- ORD
Nonstop1h 21m
United Airlines
Mon 7/139:20 pm
ORD
- CID
Nonstop1h 22m
United Airlines
Deal found 6/18![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/143:45 pm
DSM
- MDW
Nonstop1h 20m
Southwest
Tue 7/219:20 pm
MDW
- DSM
Nonstop1h 30m
Southwest
Deal found 6/18![Southwest logo]()
$253
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/169:45 am
MCW
- ORD
Nonstop1h 30m
United Airlines
Thu 7/234:47 pm
ORD
- MCW
Nonstop1h 38m
United Airlines
Deal found 6/18![United Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/176:30 am
MLI
- ORD
Nonstop1h 16m
United Airlines
Mon 7/278:45 am
ORD
- MLI
Nonstop1h 19m
United Airlines
Deal found 6/19![United Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:33 pm
DSM
- ORD
Nonstop1h 55m
American Airlines
Tue 7/2810:31 pm
ORD
- DSM
Nonstop1h 30m
American Airlines
Deal found 6/21![American Airlines logo]()
$253
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/227:10 pm
MCW
- ORD
Nonstop1h 30m
United Airlines
Wed 7/294:47 pm
ORD
- MCW
Nonstop1h 38m
United Airlines
Deal found 6/22![United Airlines logo]()
$242
This American Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/226:33 pm
DSM
- STL
1 stop5h 43m
American Airlines
Wed 7/295:58 pm
STL
- DSM
1 stop6h 03m
American Airlines
Deal found 6/22![American Airlines logo]()
$263
This Booking.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:15 pm
OMA
- STL
1 stop23h 08m
Frontier
Thu 7/308:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Deal found 6/22![Frontier logo]()
$264
This Booking.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:15 pm
OMA
- STL
1 stop23h 08m
Frontier
Tue 8/48:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Deal found 6/22![Frontier logo]()
$232
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 June 23, 2026.
Search for one-way flight options from Iowa to Illinois. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/146:24 pm
CID
- ORD
1 stop17h 51m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 8/176:24 pm
CID
- ORD
1 stop18h 36m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/148:15 pm
OMA
- STL
1 stop23h 08m
Frontier
Deal found 6/19![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 8/176:07 pm
DSM
- ORD
1 stop18h 53m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 8/146:07 pm
DSM
- ORD
1 stop18h 08m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$114
This Frontier deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 7/152:19 pm
DSM
- ORD
1 stop6h 33m
Frontier
Deal found 6/21![Frontier logo]()
$115
This Orbitz deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:19 pm
DSM
- STL
1 stop5h 04m
Frontier
Deal found 6/20![Frontier logo]()
$115
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/213:50 pm
OMA
- MDW
Nonstop1h 25m
Southwest
Deal found 6/22![Southwest logo]()
$119
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/254:42 pm
OMA
- ORD
Nonstop2h 02m
American Airlines
Deal found 6/23![American Airlines logo]()
$119
This Frontier deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 9/142:51 pm
DSM
- ORD
1 stop6h 44m
Frontier
Deal found 6/20![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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.
Tue 7/288:15 pm
OMA
- ORD
1 stop24h 37m
Frontier
Deal found 6/19![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:18 pm
OMA
- STL
1 stop4h 55m
Frontier
Deal found 6/20![Frontier logo]()
$122
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 June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $202 (United Airlines) |
One-way from | $84 (Kiwi.com) |
Popular in | May |
Cheapest in | September |
Average price | $313 |
Good round-trip deal | $218 or less |
Good one-way deal | $175 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 June 23, 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
Tue 10/27
10:10 am-11:35 am
Nonstop1h 25m
Chicago O'Hare Intl
Wed 12/2
4:50 pm-6:19 pm
Nonstop1h 29m
$202
Mason CityChicago
MCW - ORD
MCWORD
Mason City
Fri 9/18
7:13 pm-8:46 pm
Nonstop1h 33m
Chicago O'Hare Intl
Sun 9/20
5:00 pm-6:38 pm
Nonstop1h 38m
$202
Mason CityChicago
MCW - ORD
MCWORD
Mason City
Fri 8/14
7:15 pm-8:48 pm
Nonstop1h 33m
Chicago O'Hare Intl
Mon 8/17
4:47 pm-6:25 pm
Nonstop1h 38m
$202
Mason CityChicago
MCW - ORD
MCWORD
Mason City
Fri 7/10
7:10 pm-8:40 pm
Nonstop1h 30m
Chicago O'Hare Intl
Sun 7/12
4:47 pm-6:25 pm
Nonstop1h 38m
$202
Mason CityChicago
MCW - ORD
MCWORD
Mason City
Fri 7/17
9:45 am-11:15 am
Nonstop1h 30m
Chicago O'Hare Intl
Mon 7/20
4:47 pm-6:25 pm
Nonstop1h 38m
$202
Mason CityChicago
MCW - ORD
MCWORD
Mason City
Sat 8/22
9:26 am-10:59 am
Nonstop1h 33m
Chicago O'Hare Intl
Sun 8/23
7:14 am-8:51 am
Nonstop1h 37m
$202
Mason CityChicago
MCW - ORD
MCWORD
Mason City
Wed 8/26
7:15 pm-8:48 pm
Nonstop1h 33m
Chicago O'Hare Intl
Sun 8/30
7:14 am-8:51 am
Nonstop1h 37m
$202
Quickest round-trip
MolineChicago
MLI - ORD
MLIORD
Moline Quad-City
Wed 11/4
8:20 am-9:34 am
Nonstop1h 14m
Chicago O'Hare Intl
Thu 12/3
11:00 pm-12:14 am
Nonstop1h 14m
$239
MolineChicago
MLI - ORD
MLIORD
Moline Quad-City
Sat 7/18
3:47 pm-5:05 pm
Nonstop1h 18m
Chicago O'Hare Intl
Thu 7/30
8:45 am-10:04 am
Nonstop1h 19m
$239
MolineChicago
MLI - ORD
MLIORD
Moline Quad-City
Fri 8/7
1:15 pm-2:29 pm
Nonstop1h 14m
Chicago O'Hare Intl
Fri 8/14
6:15 pm-7:31 pm
Nonstop1h 16m
$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.
MCW-ORD
OMA-STL
CID-ORD
MLI-ORD
DSM-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 Iowa to Illinois
USIA-USIL
MCW-ORD
OMA-STL
CID-ORD
MLI-ORD
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 $59). 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 June 23, 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 36% on airfare.
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 June 23, 2026.
The most flights from USIA to USIL are scheduled on a Tuesday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).
How much does it cost to fly round-trip from Iowa to Illinois?
How far ahead should I book a flight from Iowa to Illinois?
To ensure you get the cheapest price possible for a flight from Iowa to Illinois, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 June 20, 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.
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 June 23, 2026.
See what other customers who have flown with Southwest,Contour, andUnited Airlines from Iowa to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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.
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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 June 23, 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 3 airlines flying from Iowa to Illinois
Discover the top 3 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 June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$100 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$245 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$179 | Average$284 | FlexibilityNo cancel fee | On-time69% |