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$55+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ORD
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheap flight deals from Iowa to Illinois

Keep the following information in mind while searching for Iowa to Illinois flight deals. Data was last updated November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$157
(Delta)

One-way from

$55
(Priceline)

Popular in

October

Cheapest in

September

Average price

$249

Good round-trip deal

$118 or less

Good one-way deal

$109 or less
Provider with most accurate pricing for Des Moines-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Des Moines-Chicago (CHI) flights.
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From Iowa to Illinois
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One-way flight from Iowa to Illinois
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Iowa to Illinois.
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Price to beat on a one-way flight from Iowa to Illinois.
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Find flight deals from Iowa to Illinois

Cheapest flights from Iowa to Illinois
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 November 4, 2025.

This Mytrip deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:24 pmOMA - STL
1 stop19h 50mFrontier
Sat 12/67:43 pmSTL - OMA
1 stop17h 48mFrontier
Deal found 11/3$159
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/278:00 amCID - ORD
Nonstop1h 21mUnited Airlines
Thu 11/2712:45 pmORD - CID
Nonstop1h 13mUnited Airlines
Deal found 11/3$174
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 11/258:00 amCID - ORD
Nonstop1h 21mUnited Airlines
Sun 11/3011:55 pmORD - CID
Nonstop1h 15mUnited Airlines
Deal found 11/4$179
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/266:35 amMLI - ORD
Nonstop1h 14mUnited Airlines
Sun 11/303:35 pmORD - MLI
Nonstop1h 02mUnited Airlines
Deal found 11/3$179
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 12/256:00 amMLI - ORD
Nonstop1h 19mAmerican Airlines
Wed 12/311:03 pmORD - MLI
Nonstop1h 02mAmerican Airlines
Deal found 11/4$180
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/184:59 pmDSM - STL
1 stop6h 30mDelta
Thu 12/256:05 amSTL - DSM
1 stop5h 23mDelta
Deal found 11/3$181
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/56:50 pmDSM - ORD
Nonstop1h 35mUnited Airlines
Sun 12/78:10 pmORD - DSM
Nonstop1h 27mUnited Airlines
Deal found 11/3$189
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 12/196:35 pmDSM - ORD
Nonstop1h 51mAmerican Airlines
Fri 12/266:40 amORD - DSM
Nonstop1h 35mAmerican Airlines
Deal found 11/4$190
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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.
Sun 11/236:00 amCID - ORD
Nonstop1h 28mAmerican Airlines
Fri 11/286:12 pmORD - CID
Nonstop1h 15mAmerican Airlines
Deal found 11/4$194
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/211:00 pmMLI - ORD
Nonstop1h 15mUnited Airlines
Sun 11/3010:35 amORD - MLI
Nonstop1h 15mUnited Airlines
Deal found 11/2$194
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/57:58 pmDSM - MDW
2 stops18h 01mFrontier
Mon 12/812:18 pmMDW - DSM
1 stop6h 45mFrontier
Deal found 11/2$201
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/57:58 pmDSM - ORD
2 stops26h 26mFrontier
Mon 12/87:00 amORD - DSM
1 stop12h 03mFrontier
Deal found 11/2$201

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 November 4, 2025.
Use the filters below to find and compare flights from Iowa to Illinois that are best for you.

Fly from

Iowa

Fly to

Illinois

Route

Depart

Return

Price

OmahaSt. Louis

OMA - STL

OMASTL

Omaha Eppley Airfield

Thu 12/4

2:24 pm-10:14 am

1 stop19h 50m

Lambert-St Louis

Sat 12/6

7:43 pm-1:31 pm

1 stop17h 48m

$159

Cedar RapidsChicago

CID - ORD

CIDORD

Cedar Rapids

Mon 11/24

7:57 pm-9:30 pm

Nonstop1h 33m

Chicago O'Hare Intl

Mon 12/1

6:12 pm-7:27 pm

Nonstop1h 15m

$179

Cedar RapidsChicago

CID - ORD

CIDORD

Cedar Rapids

Thu 11/27

12:45 pm-2:09 pm

Nonstop1h 24m

Chicago O'Hare Intl

Fri 11/28

8:34 pm-9:51 pm

Nonstop1h 17m

$179

Cedar RapidsChicago

CID - ORD

CIDORD

Cedar Rapids

Fri 1/23

6:46 pm-8:14 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sun 1/25

4:46 pm-6:02 pm

Nonstop1h 16m

$179

Cedar RapidsChicago

CID - ORD

CIDORD

Cedar Rapids

Sat 2/21

6:20 pm-7:41 pm

Nonstop1h 21m

Chicago O'Hare Intl

Tue 2/24

9:34 pm-10:51 pm

Nonstop1h 17m

$179

MolineChicago

MLI - ORD

MLIORD

Moline Quad-City

Thu 12/25

6:00 am-7:19 am

Nonstop1h 19m

Chicago O'Hare Intl

Wed 12/31

6:05 pm-7:17 pm

Nonstop1h 12m

$179

MolineChicago

MLI - ORD

MLIORD

Moline Quad-City

Fri 1/23

11:28 am-12:40 pm

Nonstop1h 12m

Chicago O'Hare Intl

Sun 1/25

9:21 pm-10:23 pm

Nonstop1h 02m

$179

MolineChicago

MLI - ORD

MLIORD

Moline Quad-City

Fri 5/1

6:41 pm-7:50 pm

Nonstop1h 09m

Chicago O'Hare Intl

Thu 5/7

8:20 pm-9:21 pm

Nonstop1h 01m

$179

Des MoinesSt. Louis

DSM - STL

DSMSTL

Des Moines

Thu 12/18

2:16 pm-9:57 pm

1 stop7h 41m

Lambert-St Louis

Thu 12/25

6:05 am-11:28 am

1 stop5h 23m

$181

Des MoinesChicago

DSM - ORD

DSMORD

Des Moines

Thu 12/18

8:00 am-9:38 am

Nonstop1h 38m

Chicago O'Hare Intl

Mon 12/22

4:31 pm-6:05 pm

Nonstop1h 34m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 60 results
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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.
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

What is the cheapest month to book a flight from Iowa to Illinois?

Currently, April is the cheapest month in which you can book a flight from Iowa to Illinois (average of $58). Flying from Iowa to Illinois in July is currently the most expensive (average of $189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IA to IL?

Find hourly flight availability from Iowa to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.

One of the essential ways to save on airfare from Iowa to Illinois is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 21% on airfare.

What is the cheapest day to fly from Iowa to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Iowa to Illinois. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Iowa to Illinois flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Iowa to Illinois

Explore weekly flight availability from Iowa to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 4, 2025.

The most flights from USIA to USIL are scheduled on a Monday (45 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (29 on average).

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 November 4, 2025.
See what other customers who have flown with Denver Air Connection, Southwest, and United 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.
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9
Denver Air Connection
8.7
Very good
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9
Southwest
8.0
Very good
4,237 reviews
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9
United Airlines
7.4
Good
8,998 reviews
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9
American Airlines
7.2
Good
11,038 reviews
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9
Southern / Mokulele
6.1
Okay
25 reviews
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9

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.

  • How long is the flight from Iowa to Illinois?

    A quick flight from Iowa to Illinois can take about 1h 33m. Frontier provides one of the quickest options available for as low as $179. Airlines will cover a distance of 196 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Iowa to Illinois one-way?

    One-way options have recently been found by users for as low as $55 on Frontier. Other airlines that offer cheap prices include Southwest from $69 and Delta from $90 one-way.

  • Can I find deals for flights from Iowa to Illinois that include hotel bookings?

    Yes. In addition to deals on Iowa to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Iowa to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iowa to Illinois.

  • Can I find deals for business class flights from Iowa to Illinois?

    Yes. Cheapflights offers flight deals from Iowa to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Iowa to Illinois?

    Currently, April is the cheapest month in which you can book a flight from Iowa to Illinois (average of $58). Flying from Iowa to Illinois in July is currently the most expensive (average of $189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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.
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Top 4 airlines flying from Iowa to Illinois

Discover the top 4 airlines that operate flights from Iowa to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$83Average$103FlexibilityNo cancel feeOn-timeN/A
Denver Air ConnectionCheapest$129Average$175FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$179Average$308FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$252FlexibilityNo cancel feeOn-time69%

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