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Illinois

$115+ Cheap flights from Iowa to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ORD
Jun 25 — Jul 21
Thu 6/25
Thu 7/2
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 May 26, 2026.

This United Airlines deal was found by Cheapflights users on 5/21. 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 6/189:45 am
MCW
-
ORD
Nonstop1h 30m
United Airlines
Fri 7/34:47 pm
ORD
-
MCW
Nonstop1h 38m
United Airlines
Deal found 5/21$202
This United Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:10 am
SUX
-
ORD
Nonstop1h 52m
United Airlines
Sun 7/123:59 pm
ORD
-
SUX
Nonstop1h 54m
United Airlines
Deal found 5/22$224
This Kiwi.com deal was found by Cheapflights users on 5/22. 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.
Tue 8/118:15 pm
OMA
-
ORD
1 stop24h 37m
Frontier
Tue 9/19:48 pm
ORD
-
OMA
1 stop21h 46m
Frontier
Deal found 5/22$229
This Kiwi.com deal was found by Cheapflights users on 5/24. 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.
Tue 6/308:25 pm
OMA
-
ORD
1 stop24h 18m
Frontier
Tue 7/219:57 pm
ORD
-
OMA
1 stop21h 23m
Frontier
Deal found 5/24$235
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Tue 7/76:30 am
CID
-
ORD
Nonstop1h 21m
United Airlines
Tue 7/219:20 pm
ORD
-
CID
Nonstop1h 22m
United Airlines
Deal found 5/24$239
This American Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:51 pm
CID
-
ORD
Nonstop1h 44m
American Airlines
Mon 7/1310:35 pm
ORD
-
CID
Nonstop1h 14m
American Airlines
Deal found 5/22$240
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Mon 6/295:59 pm
CID
-
ORD
1 stop18h 25m
Multiple Airlines
Mon 7/138:05 am
ORD
-
CID
1 stop9h 00m
Multiple Airlines
Deal found 5/23$241
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:26 am
MCW
-
ORD
Nonstop1h 33m
United Airlines
Sun 8/164:47 pm
ORD
-
MCW
Nonstop1h 38m
United Airlines
Deal found 5/21$242
This Super.com deal was found by Cheapflights users on 5/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:05 pm
OMA
-
ORD
1 stop24h 47m
Frontier
Wed 7/159:57 pm
ORD
-
OMA
1 stop21h 23m
Frontier
Deal found 5/25$242
This Booking.com deal was found by Cheapflights users on 5/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:25 pm
OMA
-
STL
1 stop22h 58m
Frontier
Tue 6/308:08 pm
STL
-
OMA
1 stop23h 22m
Frontier
Deal found 5/25$242
This United Airlines deal was found by Cheapflights users on 5/21. 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 11/38:15 pm
LSE
-
ORD
Nonstop1h 24m
United Airlines
Wed 11/117:30 am
ORD
-
LSE
Nonstop1h 26m
United Airlines
Deal found 5/21$244
This American Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1110:22 am
CID
-
ORD
Nonstop1h 29m
American Airlines
Thu 3/114:40 pm
ORD
-
CID
Nonstop1h 15m
American Airlines
Deal found 5/22$244

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 May 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$202
(United Airlines)

One-way from

$115
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$280

Good round-trip deal

$218 or less

Good one-way deal

$59 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. 14% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 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

Thu 6/18

9:45 am-11:15 am

Nonstop1h 30m

Chicago O'Hare Intl

Thu 7/2

7:35 am-9:10 am

Nonstop1h 35m

$202

Mason CityChicago

MCW - ORD

MCWORD

Mason City

Fri 9/4

9:26 am-10:59 am

Nonstop1h 33m

Chicago O'Hare Intl

Mon 9/7

7:14 am-8:51 am

Nonstop1h 37m

$202

Mason CityChicago

MCW - ORD

MCWORD

Mason City

Fri 7/3

7:10 pm-8:40 pm

Nonstop1h 30m

Chicago O'Hare Intl

Thu 7/16

4:47 pm-6:25 pm

Nonstop1h 38m

$202

Mason CityChicago

MCW - ORD

MCWORD

Mason City

Thu 7/2

9:45 am-11:15 am

Nonstop1h 30m

Chicago O'Hare Intl

Sat 7/4

4:47 pm-6:25 pm

Nonstop1h 38m

$202

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Fri 7/10

8:10 am-10:02 am

Nonstop1h 52m

Chicago O'Hare Intl

Sun 7/12

3:59 pm-5:53 pm

Nonstop1h 54m

$224

Cedar RapidsChicago

CID - ORD

CIDORD

Cedar Rapids

Thu 7/30

6:51 pm-8:35 pm

Nonstop1h 44m

Chicago O'Hare Intl

Mon 8/3

10:35 pm-11:49 pm

Nonstop1h 14m

$239

Cedar RapidsChicago

CID - ORD

CIDORD

Cedar Rapids

Fri 7/24

8:00 am-9:23 am

Nonstop1h 23m

Chicago O'Hare Intl

Sun 8/2

9:20 pm-10:42 pm

Nonstop1h 22m

$239
Quickest round-trip

Cedar RapidsChicago

CID - ORD

CIDORD

Cedar Rapids

Fri 10/9

7:55 am-9:17 am

Nonstop1h 22m

Chicago O'Hare Intl

Sun 10/11

9:30 pm-10:47 pm

Nonstop1h 17m

$239

Mason CityChicago

MCW - ORD

MCWORD

Mason City

Fri 8/14

9:26 am-10:59 am

Nonstop1h 33m

Chicago O'Hare Intl

Sun 8/16

7:14 am-8:51 am

Nonstop1h 37m

$242

Mason CityChicago

MCW - ORD

MCWORD

Mason City

Fri 7/17

9:45 am-11:15 am

Nonstop1h 30m

Chicago O'Hare Intl

Sun 7/19

4:47 pm-6:25 pm

Nonstop1h 38m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 $59). Flying from Iowa to Illinois in January is currently the most expensive (average of $179). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Iowa to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 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 36% on airfare.

Weekly flight availability from Iowa to Illinois

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

The most flights from USIA to USIL are scheduled on a Monday (49 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (40 on average).

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

How far ahead should I book a flight from Iowa to Illinois?

To ensure you get the cheapest price possible for a flight from Iowa to Illinois, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

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

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 May 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

Boarding

8.2

Crew

9.1

Entertainment

7.6

Food

8.2

Overall

8.1

Comfort

8.6
Denver Air Connection
8.1
Very good
Denver Air Connection
8.1
Very good

Boarding

8.2

Crew

9.1

Entertainment

7.6

Food

8.2

Overall

8.1

Comfort

8.6
Southwest
7.9
Good
4,265 reviews
Denver Air Connection
8.1
Very good

Boarding

8.2

Crew

9.1

Entertainment

7.6

Food

8.2

Overall

8.1

Comfort

8.6
Contour
7.7
Good
41 reviews
Denver Air Connection
8.1
Very good

Boarding

8.2

Crew

9.1

Entertainment

7.6

Food

8.2

Overall

8.1

Comfort

8.6
United Airlines
7.4
Good
9,753 reviews
Denver Air Connection
8.1
Very good

Boarding

8.2

Crew

9.1

Entertainment

7.6

Food

8.2

Overall

8.1

Comfort

8.6
American Airlines
7.1
Good
11,641 reviews
Denver Air Connection
8.1
Very good

Boarding

8.2

Crew

9.1

Entertainment

7.6

Food

8.2

Overall

8.1

Comfort

8.6

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 30m. 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 United Airlines from $94 and Denver Air Connection from $101 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 $59). Flying from Iowa to Illinois in January is currently the most expensive (average of $179). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 May 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
ContourCheapest$68Average$98FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$148Average$244FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$275FlexibilityNo cancel feeOn-time69%
Denver Air ConnectionCheapest$198Average$222FlexibilityNo cancel feeOn-timeN/A

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