$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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ORD
Oct 1 — Oct 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Iowa to Illinois
Cheapest
Best
Last-minute
One-way
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 September 1, 2026.
Explore the most affordable flight options available from Iowa to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
This American Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:02 am -
1 stop6h 14m
Wed 9/305:00 am -
1 stop4h 51m
Deal found 8/27![American Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:00 pm -
Nonstop1h 32m
Mon 10/267:09 am -
Nonstop1h 30m
Deal found 8/30![United Airlines logo]()
$202
This Super.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:51 pm -
1 stop27h 33m
Sat 10/176:30 am -
1 stop13h 36m
Deal found 8/30![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:29 pm -
1 stop28h 54m
Mon 10/266:30 am -
1 stop13h 44m
Deal found 8/27![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:59 pm -
1 stop27h 25m
Sat 10/176:30 am -
1 stop13h 36m
Deal found 8/28![Frontier logo]()
$227
This Trip.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.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
Wed 10/216:30 am -
1 stop12h 57m
Deal found 8/27![Frontier logo]()
$231
This American Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:57 pm -
1 stop4h 22m
Tue 10/65:40 am -
1 stop5h 44m
Deal found 8/27![American Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:50 pm -
Nonstop1h 20m
Thu 9/2410:05 am -
Nonstop1h 20m
Deal found 8/28![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:22 pm -
Nonstop1h 43m
Sat 9/267:55 pm -
Nonstop1h 28m
Deal found 8/27![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:12 am -
Nonstop1h 33m
Sun 11/84:45 pm -
Nonstop1h 33m
Deal found 8/29![United Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:29 pm -
1 stop28h 54m
Mon 10/56:30 am -
1 stop12h 04m
Deal found 8/27![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:22 pm -
1 stop28h 02m
Fri 10/236:30 am -
1 stop13h 44m
Deal found 8/28![Frontier logo]()
$246
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 September 1, 2026.
Discover carefully curated flight deals from Iowa to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:12 am -
Nonstop1h 33m
Fri 10/27:25 am -
Nonstop1h 30m
Deal found 8/28![United Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:02 am -
Nonstop1h 58m
Tue 9/293:50 pm -
1 stop7h 15m
Deal found 8/31![American Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:25 am -
Nonstop1h 25m
Tue 10/61:05 pm -
2 stops7h 30m
Deal found 8/26![Southwest logo]()
$272
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:10 pm -
1 stop6h 09m
Sat 10/39:59 am -
1 stop5h 40m
Deal found 8/26![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:11 am -
Nonstop1h 33m
Sun 9/277:25 am -
Nonstop1h 30m
Deal found 8/29![United Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:39 am -
1 stop5h 24m
Thu 9/109:29 pm -
1 stop23h 12m
Deal found 8/27![Allegiant Air logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:44 am -
1 stop10h 24m
Sun 11/158:37 pm -
2 stops17h 19m
Deal found 8/28![Multiple Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:00 pm -
Nonstop1h 32m
Mon 10/267:09 am -
Nonstop1h 30m
Deal found 8/30![United Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:12 am -
Nonstop1h 33m
Tue 10/277:09 am -
Nonstop1h 30m
Deal found 8/30![United Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:00 am -
Nonstop1h 19m
Fri 10/211:00 pm -
Nonstop1h 05m
Deal found 8/28![American Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:55 pm -
Nonstop1h 10m
Sat 10/178:25 am -
Nonstop1h 15m
Deal found 8/27![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:10 pm -
1 stop4h 49m
Wed 10/76:20 am -
1 stop3h 52m
Deal found 8/31![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:20 am -
Nonstop1h 16m
Tue 11/109:40 am -
Nonstop1h 10m
Deal found 8/26![American Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:10 am -
Nonstop1h 10m
Mon 11/210:05 pm -
Nonstop1h 20m
Deal found 8/30![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:11 am -
Nonstop1h 33m
Wed 9/307:25 am -
Nonstop1h 30m
Deal found 8/26![United Airlines logo]()
$242
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:12 am -
Nonstop1h 33m
Wed 11/117:09 am -
Nonstop1h 30m
Deal found 8/29![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:40 am -
1 stop9h 20m
Tue 11/37:35 am -
2 stops7h 20m
Deal found 8/27![Southwest logo]()
$293
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:39 am -
1 stop5h 00m
Mon 9/145:50 pm -
1 stop5h 09m
Deal found 8/28![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:23 am -
Nonstop1h 37m
Sun 11/84:45 pm -
Nonstop1h 33m
Deal found 8/31![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:05 pm -
1 stop5h 25m
Mon 10/126:10 pm -
1 stop5h 25m
Deal found 8/27![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:10 pm -
1 stop4h 49m
Tue 9/296:10 am -
1 stop5h 12m
Deal found 8/31![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:12 am -
Nonstop1h 33m
Thu 11/127:09 am -
Nonstop1h 30m
Deal found 8/29![United Airlines logo]()
$242
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:13 pm -
1 stop6h 10m
Sun 12/65:50 pm -
Nonstop1h 47m
Deal found 8/28![American Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:44 am -
1 stop10h 24m
Sun 11/151:08 pm -
1 stop21h 42m
Deal found 8/28![Allegiant Air logo]()
$430
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:30 pm -
Nonstop1h 20m
Sun 11/19:35 pm -
Nonstop1h 25m
Deal found 8/27![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:10 am -
1 stop5h 29m
Tue 10/612:30 pm -
1 stop4h 50m
Deal found 8/31![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 pm -
Nonstop1h 32m
Sun 11/84:45 pm -
Nonstop1h 33m
Deal found 8/29![United Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:59 am -
1 stop10h 07m
Fri 10/3012:17 pm -
1 stop26h 20m
Deal found 8/28![Allegiant Air logo]()
$439
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:50 am -
2 stops7h 10m
Sat 10/101:45 pm -
Nonstop1h 15m
Deal found 8/28![Southwest logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:20 am -
1 stop11h 51m
Sun 9/209:29 pm -
2 stops22h 04m
Deal found 8/27![Multiple Airlines logo]()
$501
Last-minute flights from Iowa to IllinoisDiscover last-minute flight deals from Iowa to Illinois. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Iowa to Illinois. Data last updated September 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:27 pm -
Nonstop1h 33m
Sun 9/207:25 am -
Nonstop1h 30m
Deal found 8/29![United Airlines logo]()
$252
This Frontier deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:20 pm -
1 stop6h 03m
Sat 9/196:30 am -
1 stop12h 04m
Deal found 8/30![Frontier logo]()
$250
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:50 pm -
Nonstop1h 20m
Thu 9/2410:05 am -
Nonstop1h 20m
Deal found 8/28![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:22 pm -
Nonstop1h 43m
Sat 9/267:55 pm -
Nonstop1h 28m
Deal found 8/27![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:40 am -
Nonstop1h 20m
Fri 9/258:50 pm -
Nonstop1h 25m
Deal found 8/28![Southwest logo]()
$249
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:11 am -
Nonstop1h 33m
Sun 9/277:25 am -
Nonstop1h 30m
Deal found 8/29![United Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:11 am -
Nonstop1h 33m
Wed 9/304:45 pm -
Nonstop1h 38m
Deal found 8/27![United Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:29 pm -
1 stop28h 54m
Mon 10/266:30 am -
1 stop13h 44m
Deal found 8/27![Frontier logo]()
$224
This American Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:57 pm -
Nonstop2h 03m
Mon 9/285:45 pm -
Nonstop1h 36m
Deal found 8/27![American Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:29 pm -
1 stop28h 54m
Sat 10/36:30 am -
1 stop12h 04m
Deal found 8/27![Frontier logo]()
$249
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:57 am -
1 stop6h 02m
Thu 10/16:10 am -
1 stop4h 07m
Deal found 8/27![Delta logo]()
$257
This American Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:02 am -
1 stop6h 14m
Wed 9/305:00 am -
1 stop4h 51m
Deal found 8/27![American Airlines logo]()
$177
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 September 1, 2026.
Search for one-way flight options from Iowa to Illinois. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:29 pm -
1 stop23h 48m
Deal found 8/28![Frontier logo]()
$84
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:13 pm -
1 stop4h 28m
Deal found 8/27![United Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:59 pm -
1 stop21h 58m
Deal found 8/27![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:29 pm -
1 stop28h 54m
Deal found 8/27![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:29 pm -
1 stop28h 54m
Deal found 8/27![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:29 pm -
1 stop23h 48m
Deal found 8/31![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:29 pm -
1 stop28h 54m
Deal found 8/31![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:20 pm -
1 stop6h 03m
Deal found 8/27![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:59 pm -
1 stop22h 15m
Deal found 8/29![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:29 pm -
1 stop28h 54m
Deal found 8/27![Frontier logo]()
$112
This Trip.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:51 pm -
1 stop27h 33m
Deal found 8/27![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:29 pm -
1 stop28h 54m
Deal found 8/27![Frontier logo]()
$115
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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (American Airlines) |
One-way from | $84 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $261 |
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 September 1, 2026.
Use the filters below to find and compare flights from Iowa to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Fri 9/25
10:12 am-11:45 am
Nonstop1h 33m
Chicago O'Hare Intl
Fri 10/2
7:25 am-8:55 am
Nonstop1h 30m
$202
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Tue 9/22
10:11 am-11:44 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
Thu 10/22
7:00 pm-8:32 pm
Nonstop1h 32m
Chicago O'Hare Intl
Mon 10/26
7:09 am-8:39 am
Nonstop1h 30m
$202
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Thu 10/22
10:12 am-11:45 am
Nonstop1h 33m
Chicago O'Hare Intl
Tue 10/27
7:09 am-8:39 am
Nonstop1h 30m
$202
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Wed 9/23
10:11 am-11:44 am
Nonstop1h 33m
Chicago O'Hare Intl
Wed 9/30
7:25 am-8:55 am
Nonstop1h 30m
$242
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Sun 10/11
10:12 am-11:45 am
Nonstop1h 33m
Chicago O'Hare Intl
Wed 11/11
7:09 am-8:39 am
Nonstop1h 30m
$242
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Fri 11/6
9:23 am-11:00 am
Nonstop1h 37m
Chicago O'Hare Intl
Sun 11/8
4:45 pm-6:18 pm
Nonstop1h 33m
$242
Mason CityChicago
MCW Mason City - ORD Chicago O'Hare Intl
MCWORD
Mason City
Tue 10/13
10:12 am-11:45 am
Nonstop1h 33m
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
Thu 10/15
7:00 pm-8:32 pm
Nonstop1h 32m
Chicago O'Hare Intl
Sun 11/8
4:45 pm-6:18 pm
Nonstop1h 33m
$242
OmahaChicago
OMA Omaha Eppley Airfield - ORD Chicago O'Hare Intl
OMAORD
Omaha Eppley Airfield
Thu 9/24
7:02 am-9:00 am
Nonstop1h 58m
Chicago O'Hare Intl
Tue 9/29
3:50 pm-11:05 pm
1 stop7h 15m
$267
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
MCW-ORD
OMA-ORD
DSM-MDW
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
OMA-STL
MCW-ORD
OMA-ORD
DSM-MDW
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 $237). 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 September 1, 2026.
One of the essential ways to save on airfare from Iowa to Illinois is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 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 September 1, 2026.
The most flights from USIA to USIL are scheduled on a Friday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 on average).
How much does it cost to fly round-trip from Iowa to Illinois?
Airfare is typical for this route at the moment.
Iowa to Illinois flights typically cost between $224 and $364 in September.The cheapest round-trip price found within the last 5 days was $237 on United Airlines (Sep 21-Sep 26).
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 29, 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 September 1, 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
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 September 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Iowa after your stay in Illinois
Iowa to Illinois flights
Consider these flights traveling from Iowa to Illinois.
Top 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 September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$100 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$288 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$179 | Average$306 | FlexibilityNo cancel fee | On-time69% |