HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ORD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 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 December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/2. 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.
Tue 12/238:00 amCID - ORD
Nonstop1h 28mUnited Airlines
Fri 12/268:20 pmORD - CID
Nonstop1h 14mUnited Airlines
Deal found 12/2$179
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/313:14 pmDSM - ORD
Nonstop1h 39mUnited Airlines
Thu 1/18:10 pmORD - DSM
Nonstop1h 30mUnited Airlines
Deal found 12/2$189
This American Airlines deal was found by Cheapflights users on 12/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amCID - ORD
Nonstop1h 30mAmerican Airlines
Sat 1/312:43 pmORD - CID
Nonstop1h 09mAmerican Airlines
Deal found 12/3$194
This Orbitz deal was found by Cheapflights users on 12/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:15 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Sun 1/45:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 12/3$202
This American Airlines deal was found by Cheapflights users on 12/2. 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 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
Sat 1/109:40 amORD - DSM
Nonstop1h 32mAmerican Airlines
Deal found 12/2$204
This Frontier deal was found by Cheapflights users on 12/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:24 pmOMA - ORD
1 stop9h 48mFrontier
Mon 12/156:11 amORD - OMA
1 stop9h 17mFrontier
Deal found 12/4$208
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Sat 12/208:00 amCID - ORD
Nonstop1h 28mUnited Airlines
Sun 12/218:20 pmORD - CID
Nonstop1h 14mUnited Airlines
Deal found 12/3$209
This American Airlines deal was found by Cheapflights users on 12/4. 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.
Sat 12/137:42 pmMLI - ORD
Nonstop1h 21mAmerican Airlines
Fri 1/21:03 pmORD - MLI
Nonstop1h 02mAmerican Airlines
Deal found 12/4$209
This Frontier deal was found by Cheapflights users on 12/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:24 pmOMA - ORD
1 stop9h 48mFrontier
Sun 12/147:00 amORD - OMA
1 stop6h 31mFrontier
Deal found 12/2$212
This Expedia deal was found by Cheapflights users on 12/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:15 amDBQ - ORD
Nonstop1h 05mDenver Air Connection
Mon 12/225:00 pmORD - DBQ
Nonstop0h 55mDenver Air Connection
Deal found 12/1$217
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Mon 12/298:00 amCID - ORD
Nonstop1h 28mUnited Airlines
Thu 1/18:20 pmORD - CID
Nonstop1h 14mUnited Airlines
Deal found 12/3$219
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/188:00 amDSM - ORD
Nonstop1h 38mUnited Airlines
Mon 12/228:10 pmORD - DSM
Nonstop1h 30mUnited Airlines
Deal found 12/2$219

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$109
(United Airlines)

One-way from

$55
(Southwest)

Popular in

January

Cheapest in

September

Average price

$249

Good round-trip deal

$132 or less

Good one-way deal

$104 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. 2% potential increase in price ($5 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 December 2025
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 December 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

OmahaChicago

OMA - ORD

OMAORD

Omaha Eppley Airfield

Tue 1/13

8:00 am-9:55 am

Nonstop1h 55m

Chicago O'Hare Intl

Wed 1/14

8:10 pm-9:58 pm

Nonstop1h 48m

$109

OmahaChicago

OMA - ORD

OMAORD

Omaha Eppley Airfield

Tue 1/6

3:21 pm-5:10 pm

Nonstop1h 49m

Chicago O'Hare Intl

Tue 1/20

3:55 pm-5:36 pm

Nonstop1h 41m

$109

OmahaChicago

OMA - ORD

OMAORD

Omaha Eppley Airfield

Sat 2/14

3:27 pm-5:10 pm

Nonstop1h 43m

Chicago O'Hare Intl

Wed 2/18

8:15 pm-9:59 pm

Nonstop1h 44m

$109

OmahaChicago

OMA - ORD

OMAORD

Omaha Eppley Airfield

Sat 1/24

11:26 am-1:15 pm

Nonstop1h 49m

Chicago O'Hare Intl

Mon 1/26

8:10 pm-9:58 pm

Nonstop1h 48m

$127

OmahaChicago

OMA - ORD

OMAORD

Omaha Eppley Airfield

Mon 1/12

6:35 pm-8:25 pm

Nonstop1h 50m

Chicago O'Hare Intl

Wed 1/14

12:45 pm-2:25 pm

Nonstop1h 40m

$127

OmahaChicago

OMA - ORD

OMAORD

Omaha Eppley Airfield

Thu 1/8

11:26 am-1:15 pm

Nonstop1h 49m

Chicago O'Hare Intl

Wed 1/21

12:45 pm-2:25 pm

Nonstop1h 40m

$127

OmahaChicago

OMA - ORD

OMAORD

Omaha Eppley Airfield

Fri 2/20

1:04 pm-11:35 pm

1 stop10h 31m

Chicago O'Hare Intl

Mon 2/23

5:05 am-12:03 pm

1 stop6h 58m

$128

OmahaChicago

OMA - MDW

OMAMDW

Omaha Eppley Airfield

Tue 1/13

3:10 pm-4:35 pm

Nonstop1h 25m

Chicago Midway

Wed 1/14

8:10 am-1:30 pm

1 stop5h 20m

$137

OmahaChicago

OMA - ORD

OMAORD

Omaha Eppley Airfield

Thu 1/15

6:19 pm-8:20 pm

Nonstop2h 01m

Chicago O'Hare Intl

Sun 1/18

3:58 pm-5:49 pm

Nonstop1h 51m

$145

OmahaChicago

OMA - MDW

OMAMDW

Omaha Eppley Airfield

Thu 1/8

5:50 am-7:20 am

Nonstop1h 30m

Chicago Midway

Wed 1/21

8:25 am-10:05 am

Nonstop1h 40m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 60 results
1
2
3
...
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 $94). Flying from Iowa to Illinois in July is currently the most expensive (average of $188). 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 December 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 in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 34% 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 29, 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 December 4, 2025.

The most flights from USIA to USIL are scheduled on a Thursday (45 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (30 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 December 4, 2025.
See what other customers who have flown with Denver Air Connection, Southwest, and Contour 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

Food

8.4

Comfort

8.9

Entertainment

8.1

Overall

8.7

Boarding

8.7

Crew

9.4
Denver Air Connection
8.7
Very good
Denver Air Connection
8.7
Very good

Food

8.4

Comfort

8.9

Entertainment

8.1

Overall

8.7

Boarding

8.7

Crew

9.4
Southwest
8.0
Very good
4,250 reviews
Denver Air Connection
8.7
Very good

Food

8.4

Comfort

8.9

Entertainment

8.1

Overall

8.7

Boarding

8.7

Crew

9.4
Contour
7.6
Good
43 reviews
Denver Air Connection
8.7
Very good

Food

8.4

Comfort

8.9

Entertainment

8.1

Overall

8.7

Boarding

8.7

Crew

9.4
United Airlines
7.4
Good
9,066 reviews
Denver Air Connection
8.7
Very good

Food

8.4

Comfort

8.9

Entertainment

8.1

Overall

8.7

Boarding

8.7

Crew

9.4
American Airlines
7.2
Good
11,047 reviews
Denver Air Connection
8.7
Very good

Food

8.4

Comfort

8.9

Entertainment

8.1

Overall

8.7

Boarding

8.7

Crew

9.4

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 $137. Airlines will cover a distance of 422 mi. This flight may include one or multiple stops.

  • 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 $94). Flying from Iowa to Illinois in July is currently the most expensive (average of $188). 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

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 for Iowa to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
Los Angeles to John F Kennedy Intl flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Fort Lauderdale flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
Newark to Miami flights
Dallas/Fort Worth to John F Kennedy Intl flights
John F Kennedy Intl to Los Angeles flights
Newark to West Palm Beach flights
Dallas/Fort Worth to LaGuardia flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
Los Angeles to Newark flights
Dallas/Fort Worth to Newark flights
Newark to Las Vegas flights
John F Kennedy Intl to Orlando flights
Newark to Dallas/Fort Worth flights
San Francisco to John F Kennedy Intl flights
John F Kennedy Intl to West Palm Beach flights
Seattle to Los Angeles flights
John F Kennedy Intl to San Francisco flights
Newark to Orlando flights
Newark to Los Angeles flights
O'Hare Intl to John F Kennedy Intl flights
Los Angeles to LaGuardia flights
Los Angeles to Seattle flights
O'Hare Intl to Las Vegas flights
LaGuardia to Orlando flights
Atlanta to LaGuardia flights
John F Kennedy Intl to Tampa flights
Reagan-National to Miami flights
San Francisco to Newark flights
Dallas/Fort Worth to Los Angeles flights
Seattle to Las Vegas flights
LaGuardia to Tampa flights
Los Angeles to Honolulu flights
Dallas/Fort Worth to Las Vegas flights
O'Hare Intl to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
Los Angeles to Dallas/Fort Worth flights
Boston to Fort Lauderdale flights
Boston to Miami flights
Dulles Intl to Miami flights
John F Kennedy Intl to Atlanta flights
Dallas/Fort Worth to Seattle flights
Hobby to Newark flights
Dallas/Fort Worth to Orlando flights
Hobby to LaGuardia flights

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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$83Average$103FlexibilityNo cancel feeOn-timeN/A
Denver Air ConnectionCheapest$129Average$173FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$179Average$308FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$261FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.