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$70+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ORD
avr. 25 — mai 21
sam. 4/25
sam. 5/2
1 adult, Economy
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Cheap 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 mars 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
lun. 4/272:04 pm
DSM
-
ORD
2 stops50h 48m
Frontier
mar. 5/59:42 pm
ORD
-
DSM
1 stop15h 49m
Frontier
Deal found 3/25$163
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
mer. 5/62:16 pm
DSM
-
ORD
1 stop6h 21m
Frontier
jeu. 5/79:42 pm
ORD
-
DSM
1 stop15h 49m
Frontier
Deal found 3/25$171
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
mer. 5/62:16 pm
DSM
-
ORD
1 stop6h 21m
Multiple Airlines
mer. 5/137:45 pm
ORD
-
DSM
1 stop19h 30m
Multiple Airlines
Deal found 3/25$192
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 6/32:16 pm
DSM
-
ORD
1 stop6h 21m
Frontier
jeu. 6/49:42 pm
ORD
-
DSM
1 stop15h 49m
Frontier
Deal found 3/24$201
This United Airlines deal was found by Cheapflights users on 3/22. 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.
jeu. 4/237:19 pm
MCW
-
ORD
Nonstop1h 28m
United Airlines
jeu. 4/306:50 am
ORD
-
MCW
Nonstop1h 27m
United Airlines
Deal found 3/22$202
This Southwest deal was found by Cheapflights users on 3/23. 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.
mar. 4/215:30 am
DSM
-
STL
1 stop4h 00m
Southwest
mar. 4/283:55 pm
STL
-
DSM
1 stop5h 20m
Southwest
Deal found 3/23$202
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
ven. 4/242:04 pm
DSM
-
ORD
2 stops25h 19m
Frontier
mar. 5/59:42 pm
ORD
-
DSM
1 stop15h 49m
Frontier
Deal found 3/25$204
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
mar. 4/146:10 am
DSM
-
STL
1 stop6h 55m
Delta
mar. 4/145:35 pm
STL
-
DSM
1 stop3h 37m
Delta
Deal found 3/25$205
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/65:01 pm
DSM
-
ORD
Nonstop1h 49m
American Airlines
mer. 5/139:56 am
ORD
-
DSM
Nonstop1h 34m
American Airlines
Deal found 3/24$208
This Southwest deal was found by Cheapflights users on 3/24. 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.
mer. 5/63:15 pm
DSM
-
MDW
Nonstop1h 20m
Southwest
mer. 5/1310:00 am
MDW
-
DSM
Nonstop1h 25m
Southwest
Deal found 3/24$209
This Southwest deal was found by Cheapflights users on 3/22. 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.
mar. 4/215:30 am
DSM
-
MDW
Nonstop1h 25m
Southwest
mar. 4/2810:00 am
MDW
-
DSM
Nonstop1h 25m
Southwest
Deal found 3/22$210
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
lun. 4/66:41 pm
CID
-
ORD
1 stop22h 15m
Multiple Airlines
ven. 4/105:05 am
ORD
-
CID
1 stop12h 50m
Multiple Airlines
Deal found 3/23$215

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 mars 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$163
(Kiwi.com)

One-way from

$70
(Frontier)

Popular in

March

Cheapest in

September

Average price

$289

Good round-trip deal

$218 or less

Good one-way deal

$42 or less
Provider with most accurate pricing for Des Moines-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Des Moines-Chicago (CHI) flights.
Search Deals
From Iowa to Illinois
Search Deals
One-way flight from Iowa to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Iowa to Illinois.
Search Deals
Price to beat on a one-way flight from Iowa to Illinois.
Search Deals

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 mars 26, 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

Price

Cheapest round-trip

Mason CityChicago

MCW - ORD

MCWORD

Mason City

mar. 9/1

7:00 pm-8:25 pm

Nonstop1h 25m

Chicago O'Hare Intl

mer. 9/16

5:10 pm-6:39 pm

Nonstop1h 29m

$202

Des MoinesSt. Louis

DSM - STL

DSMSTL

Des Moines

mar. 4/21

5:30 am-9:30 am

1 stop4h 00m

Lambert-St Louis

mar. 4/28

3:55 pm-9:15 pm

1 stop5h 20m

$202

Mason CityChicago

MCW - ORD

MCWORD

Mason City

dim. 9/13

7:00 pm-8:25 pm

Nonstop1h 25m

Chicago O'Hare Intl

jeu. 9/24

7:45 am-9:14 am

Nonstop1h 29m

$202

Mason CityChicago

MCW - ORD

MCWORD

Mason City

ven. 6/5

7:00 pm-8:30 pm

Nonstop1h 30m

Chicago O'Hare Intl

lun. 6/8

4:47 pm-6:25 pm

Nonstop1h 38m

$202

OmahaChicago

OMA - ORD

OMAORD

Omaha Eppley Airfield

mar. 4/21

6:25 am-12:45 pm

1 stop6h 20m

Chicago O'Hare Intl

mar. 4/28

6:25 am-11:23 am

1 stop4h 58m

$233

OmahaChicago

OMA - ORD

OMAORD

Omaha Eppley Airfield

mar. 4/21

1:55 pm-11:55 pm

1 stop10h 00m

Chicago O'Hare Intl

mar. 4/28

10:30 am-3:40 pm

1 stop5h 10m

$234

MolineChicago

MLI - ORD

MLIORD

Moline Quad-City

jeu. 8/27

1:33 pm-2:55 pm

Nonstop1h 22m

Chicago O'Hare Intl

sam. 8/29

3:40 pm-4:56 pm

Nonstop1h 16m

$239

MolineChicago

MLI - ORD

MLIORD

Moline Quad-City

sam. 5/9

6:35 am-7:53 am

Nonstop1h 18m

Chicago O'Hare Intl

lun. 5/11

3:35 pm-4:51 pm

Nonstop1h 16m

$239
Quickest round-trip

MolineChicago

MLI - ORD

MLIORD

Moline Quad-City

dim. 4/19

10:35 am-11:51 am

Nonstop1h 16m

Chicago O'Hare Intl

ven. 5/1

4:44 pm-6:00 pm

Nonstop1h 16m

$239

MolineChicago

MLI - ORD

MLIORD

Moline Quad-City

mer. 7/1

2:31 pm-3:44 pm

Nonstop1h 13m

Chicago O'Hare Intl

ven. 7/31

8:00 pm-9:24 pm

Nonstop1h 24m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Iowa to Illinois (average of $140). 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 mars 26, 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 29% 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 March 23, 2026.

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

Weekly flight availability from Iowa to Illinois

Explore weekly flight availability from Iowa to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated mars 26, 2026.

The most flights from USIA to USIL are scheduled on a Wednesday (46 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (14 on average).

How much does it cost to fly round-trip from Iowa to Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated mars 26, 2026.
See what other customers who have flown with Denver Air Connection,Southwest, andContour from Iowa to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Denver Air Connection
8.1
Very good

Crew

9.1

Boarding

8.2

Entertainment

7.6

Comfort

8.6

Overall

8.1

Food

8.2
Denver Air Connection
8.1
Very good
Denver Air Connection
8.1
Very good

Crew

9.1

Boarding

8.2

Entertainment

7.6

Comfort

8.6

Overall

8.1

Food

8.2
Southwest
8.0
Very good
4,333 reviews
Denver Air Connection
8.1
Very good

Crew

9.1

Boarding

8.2

Entertainment

7.6

Comfort

8.6

Overall

8.1

Food

8.2
Contour
7.6
Good
42 reviews
Denver Air Connection
8.1
Very good

Crew

9.1

Boarding

8.2

Entertainment

7.6

Comfort

8.6

Overall

8.1

Food

8.2
United Airlines
7.4
Good
9,482 reviews
Denver Air Connection
8.1
Very good

Crew

9.1

Boarding

8.2

Entertainment

7.6

Comfort

8.6

Overall

8.1

Food

8.2
American Airlines
7.1
Good
11,494 reviews
Denver Air Connection
8.1
Very good

Crew

9.1

Boarding

8.2

Entertainment

7.6

Comfort

8.6

Overall

8.1

Food

8.2

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 25m. United Airlines provides one of the quickest options available for as low as $202. Airlines will cover a distance of 288 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 $29 on Contour. Other airlines that offer cheap prices include Denver Air Connection from $84 and United Airlines from $94 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, February is the cheapest month in which you can book a flight from Iowa to Illinois (average of $140). 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 mars 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
ContourCheapest$59Average$91FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$148Average$245FlexibilityNo cancel feeOn-time71%
Denver Air ConnectionCheapest$168Average$222FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$269FlexibilityNo cancel feeOn-time69%

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