$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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ORD
Sep 23 — Sep 301
Round-trip
1 adult, Economy
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Find cheap flights from Iowa to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 August 24, 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 August 24, 2026.
This Delta deal was found by Cheapflights users on 8/21. 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.
Sat 10/36:10 am -
1 stop4h 24m
Sat 10/35:47 pm -
1 stop5h 05m
Deal found 8/21![Delta logo]()
$177
This Frontier deal was found by Cheapflights users on 8/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:29 am -
1 stop12h 54m
Mon 9/1412:26 pm -
1 stop7h 07m
Deal found 8/19![Frontier logo]()
$182
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:40 pm -
1 stop5h 36m
Sat 9/265:47 pm -
1 stop5h 05m
Deal found 8/20![Delta logo]()
$187
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Tue 11/39:23 am -
Nonstop1h 37m
Fri 11/137:09 am -
Nonstop1h 30m
Deal found 8/21![United Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Thu 9/107:29 pm -
2 stops24h 06m
Mon 9/146:30 am -
1 stop12h 04m
Deal found 8/19![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/77:29 pm -
2 stops33h 47m
Sat 10/176:30 am -
1 stop13h 36m
Deal found 8/21![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:29 pm -
1 stop28h 54m
Tue 9/297:28 pm -
2 stops23h 06m
Deal found 8/23![Frontier logo]()
$223
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:35 am -
Nonstop1h 54m
Mon 9/284:00 pm -
Nonstop1h 53m
Deal found 8/23![United Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 10/238:59 pm -
1 stop27h 25m
Mon 10/266:30 am -
1 stop13h 44m
Deal found 8/20![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:22 pm -
1 stop28h 02m
Mon 10/268:11 pm -
2 stops47h 16m
Deal found 8/23![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/57:29 pm -
1 stop28h 54m
Tue 10/2012:37 pm -
2 stops30h 50m
Deal found 8/21![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sat 10/108:51 pm -
1 stop27h 33m
Wed 10/146:30 am -
1 stop12h 57m
Deal found 8/21![Frontier logo]()
$227
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 August 24, 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 August 24, 2026.
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/2610:12 am -
Nonstop1h 33m
Mon 9/284:45 pm -
Nonstop1h 38m
Deal found 8/22![United Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 8/22. 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.
Mon 10/127:10 pm -
1 stop5h 05m
Wed 10/1410:05 am -
Nonstop1h 25m
Deal found 8/22![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 8/19. 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.
Sat 9/194:20 pm -
1 stop5h 18m
Sat 9/268:25 am -
1 stop5h 41m
Deal found 8/19![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 9/2410:12 am -
Nonstop1h 33m
Sun 9/277:25 am -
Nonstop1h 30m
Deal found 8/19![United Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/1210:11 am -
Nonstop1h 33m
Sun 9/135:00 pm -
Nonstop1h 38m
Deal found 8/22![United Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/15:10 am -
Nonstop1h 20m
Sat 10/310:40 am -
Nonstop1h 20m
Deal found 8/24![Southwest logo]()
$249
This United Airlines deal was found by Cheapflights users on 8/22. 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 1/309:03 am -
Nonstop1h 52m
Wed 2/34:00 pm -
Nonstop1h 54m
Deal found 8/22![United Airlines logo]()
$224
This Southwest deal was found by Cheapflights users on 8/22. 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.
Fri 10/237:10 pm -
1 stop5h 05m
Mon 10/269:35 pm -
Nonstop1h 20m
Deal found 8/22![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 8/21. 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.
Fri 9/186:10 am -
1 stop4h 21m
Mon 9/215:47 pm -
1 stop5h 05m
Deal found 8/21![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/148:35 am -
Nonstop1h 54m
Wed 10/214:00 pm -
Nonstop1h 53m
Deal found 8/21![United Airlines logo]()
$224
This Southwest deal was found by Cheapflights users on 8/21. 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.
Thu 10/227:10 pm -
1 stop5h 05m
Mon 10/269:35 pm -
Nonstop1h 20m
Deal found 8/21![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:29 pm -
1 stop5h 32m
Tue 9/87:13 pm -
1 stop3h 46m
Deal found 8/20![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:26 pm -
Nonstop1h 34m
Mon 10/57:55 pm -
Nonstop1h 28m
Deal found 8/23![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 8/19. 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.
Wed 9/162:40 pm -
Nonstop1h 25m
Thu 9/178:50 pm -
Nonstop1h 25m
Deal found 8/19![Southwest logo]()
$261
This Delta deal was found by Cheapflights users on 8/21. 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.
Wed 9/912:10 pm -
1 stop6h 09m
Mon 9/147:13 pm -
1 stop3h 46m
Deal found 8/21![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Thu 10/2211:27 am -
Nonstop1h 39m
Mon 10/268:25 pm -
Nonstop1h 30m
Deal found 8/21![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 8/19. 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.
Sat 10/310:25 am -
Nonstop1h 25m
Sat 10/106:15 am -
1 stop7h 25m
Deal found 8/19![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 8/22. 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.
Sat 9/512:12 pm -
1 stop5h 29m
Wed 9/96:24 pm -
1 stop4h 35m
Deal found 8/22![Delta logo]()
$299
This deal was found by Cheapflights users on 8/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:23 am -
Nonstop1h 37m
Thu 11/127:09 am -
Nonstop1h 30m
Deal found 8/21![United Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:29 pm -
1 stop5h 12m
Wed 9/96:10 am -
1 stop5h 12m
Deal found 8/23![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 8/19. 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.
Sat 9/197:20 am -
2 stops9h 30m
Sat 9/2610:10 am -
Nonstop1h 20m
Deal found 8/19![Southwest logo]()
$276
This United Airlines deal was found by Cheapflights users on 8/20. 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 11/256:53 pm -
Nonstop1h 37m
Mon 11/304:45 pm -
Nonstop1h 33m
Deal found 8/20![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 8/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:25 pm -
1 stop7h 10m
Sat 10/176:15 am -
1 stop7h 25m
Deal found 8/23![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:29 pm -
1 stop4h 30m
Sat 9/126:10 am -
1 stop5h 12m
Deal found 8/20![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Fri 11/69:42 am -
Nonstop1h 37m
Sun 11/84:45 pm -
Nonstop1h 33m
Deal found 8/20![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 8/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:55 pm -
Nonstop1h 10m
Tue 10/138:50 pm -
Nonstop1h 15m
Deal found 8/23![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:54 am -
1 stop4h 53m
Sat 10/105:31 pm -
1 stop5h 33m
Deal found 8/23![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 10/319:42 am -
Nonstop1h 37m
Mon 11/27:29 am -
Nonstop1h 30m
Deal found 8/19![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 8/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
2 stops10h 05m
Mon 12/76:05 am -
1 stop8h 10m
Deal found 8/23![Southwest logo]()
$286
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:00 am -
1 stop5h 41m
Thu 11/266:30 am -
1 stop3h 49m
Deal found 8/20![Delta logo]()
$320
Last-minute flights from Iowa to IllinoisDiscover last-minute flight deals from Iowa to Illinois. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from Iowa to Illinois. Data last updated August 24, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:29 am -
1 stop12h 54m
Mon 9/1412:26 pm -
1 stop7h 07m
Deal found 8/19![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Thu 9/107:29 pm -
2 stops24h 06m
Mon 9/146:30 am -
1 stop12h 04m
Deal found 8/19![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Fri 9/117:29 pm -
1 stop28h 54m
Mon 9/146:30 am -
1 stop12h 04m
Deal found 8/21![Frontier logo]()
$222
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/1210:11 am -
Nonstop1h 33m
Sun 9/135:00 pm -
Nonstop1h 38m
Deal found 8/22![United Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/167:29 pm -
1 stop28h 54m
Fri 9/186:30 am -
1 stop11h 03m
Deal found 8/21![Frontier logo]()
$238
This Southwest deal was found by Cheapflights users on 8/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:40 am -
Nonstop1h 20m
Mon 9/218:50 pm -
Nonstop1h 25m
Deal found 8/23![Southwest logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Sat 9/197:29 pm -
1 stop28h 54m
Sat 9/266:30 am -
1 stop12h 04m
Deal found 8/22![Frontier logo]()
$232
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/198:00 am -
Nonstop1h 36m
Thu 9/249:00 am -
Nonstop1h 30m
Deal found 8/24![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:40 pm -
1 stop5h 36m
Sat 9/265:47 pm -
1 stop5h 05m
Deal found 8/20![Delta logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:29 pm -
1 stop28h 54m
Tue 9/297:28 pm -
2 stops23h 06m
Deal found 8/23![Frontier logo]()
$223
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:35 am -
Nonstop1h 54m
Mon 9/284:00 pm -
Nonstop1h 53m
Deal found 8/23![United Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sun 9/271:58 pm -
1 stop23h 32m
Wed 9/307:11 am -
1 stop25h 51m
Deal found 8/21![Multiple Airlines logo]()
$236
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 August 24, 2026.
Search for one-way flight options from Iowa to Illinois. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/147:29 pm -
1 stop28h 54m
Deal found 8/21![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:29 pm -
1 stop23h 48m
Deal found 8/23![Frontier logo]()
$86
This Delta deal was found by Cheapflights users on 8/21. 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.
Sat 9/196:10 am -
1 stop4h 24m
Deal found 8/21![Delta logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 10/218:22 pm -
1 stop28h 02m
Deal found 8/22![Frontier logo]()
$90
This American Airlines deal was found by Cheapflights users on 8/23. 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.
Tue 9/228:07 pm -
1 stop4h 20m
Deal found 8/23![American Airlines logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/217:29 pm -
1 stop28h 54m
Deal found 8/22![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Fri 9/186:20 pm -
1 stop24h 57m
Deal found 8/21![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 11/98:59 pm -
1 stop27h 22m
Deal found 8/19![Frontier logo]()
$99
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:10 am -
1 stop4h 21m
Deal found 8/20![Delta logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:29 pm -
1 stop28h 54m
Deal found 8/23![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 10/168:59 pm -
1 stop21h 58m
Deal found 8/19![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/198:59 pm -
1 stop27h 25m
Deal found 8/21![Frontier logo]()
$103
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 August 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (Delta) |
One-way from | $84 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $353 |
Good round-trip deal | $118 or less |
Good one-way deal | $49 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 7,457,451 searches. Data last updated August 24, 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 Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Sat 9/26
10:12 am-11:45 am
Nonstop1h 33m
Chicago O'Hare Intl
Mon 9/28
4:45 pm-6:23 pm
Nonstop1h 38m
$202
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Thu 9/24
10:12 am-11:45 am
Nonstop1h 33m
Chicago O'Hare Intl
Sun 9/27
7:25 am-8:55 am
Nonstop1h 30m
$202
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Sat 9/12
10:11 am-11:44 am
Nonstop1h 33m
Chicago O'Hare Intl
Sun 9/13
5:00 pm-6:38 pm
Nonstop1h 38m
$202
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Sat 1/30
9:03 am-10:55 am
Nonstop1h 52m
Chicago O'Hare Intl
Wed 2/3
4:00 pm-5:54 pm
Nonstop1h 54m
$224
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Wed 10/14
8:35 am-10:29 am
Nonstop1h 54m
Chicago O'Hare Intl
Wed 10/21
4:00 pm-5:53 pm
Nonstop1h 53m
$224
Des MoinesChicago
DSM Des Moines - ORD Chicago O'Hare Intl
DSMORD
Des Moines
Sat 10/3
1:26 pm-3:00 pm
Nonstop1h 34m
Chicago O'Hare Intl
Mon 10/5
7:55 pm-9:23 pm
Nonstop1h 28m
$237
Des MoinesChicago
DSM Des Moines - ORD Chicago O'Hare Intl
DSMORD
Des Moines
Thu 10/22
11:27 am-1:06 pm
Nonstop1h 39m
Chicago O'Hare Intl
Mon 10/26
8:25 pm-9:55 pm
Nonstop1h 30m
$237
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Tue 11/3
9:23 am-11:00 am
Nonstop1h 37m
Chicago O'Hare Intl
Thu 11/12
7:09 am-8:39 am
Nonstop1h 30m
$242
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Wed 11/25
6:53 pm-8:30 pm
Nonstop1h 37m
Chicago O'Hare Intl
Mon 11/30
4:45 pm-6:18 pm
Nonstop1h 33m
$242
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Fri 11/6
9:42 am-11:19 am
Nonstop1h 37m
Chicago O'Hare Intl
Sun 11/8
4:45 pm-6:18 pm
Nonstop1h 33m
$242
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.
OMA-STL
DSM-MDW
OMA-ORD
OMA-MDW
CID-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
OMA-STL
DSM-MDW
OMA-ORD
OMA-MDW
What is the cheapest month to book a flight from Iowa to Illinois?
Currently, October is the cheapest month in which you can book a flight from Iowa to Illinois (average of $235). Flying from Iowa to Illinois in July is currently the most expensive (average of $372). 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 August 24, 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 35% 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 August 24, 2026.
The most flights from USIA to USIL are scheduled on a Sunday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).
How much does it cost to fly round-trip from Iowa to Illinois?
Airfare is below average for this route at the moment.
Iowa to Illinois flights typically cost between $261 and $386 in September.The cheapest round-trip price found within the last 5 days was $182 on Frontier (Sep 10-Sep 14).
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 August 22, 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 August 24, 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.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
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 August 24, 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 7,457,451 searches. Data last updated August 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$100 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$283 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$179 | Average$306 | FlexibilityNo cancel fee | On-time69% |