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$49+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$97
(Southwest)

One-way from

$49
(Southwest)

Popular in

July

Cheapest in

May

Average price

$264

Good round-trip deal

$229 or less

Good one-way deal

$59 or less
From Iowa to Illinois
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One-way flight from Iowa to Illinois
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Highest demand for flights based on searches. 11% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 8/128:25 amDSM - STL
Nonstop1h 05mSouthwest
Thu 8/149:40 pmSTL - DSM
Nonstop1h 10mSouthwest
Deal found 6/11$97
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 8/512:25 pmOMA - STL
Nonstop1h 15mSouthwest
Thu 8/79:40 pmSTL - OMA
Nonstop1h 15mSouthwest
Deal found 6/11$157
This Delta deal was found by Cheapflights users on 6/10. 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 8/125:25 pmDSM - STL
1 stop5h 57mDelta
Thu 8/145:11 pmSTL - DSM
1 stop5h 28mDelta
Deal found 6/10$167
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/56:16 pmOMA - STL
1 stop5h 43mAmerican Airlines
Thu 8/75:15 amSTL - OMA
1 stop5h 54mAmerican Airlines
Deal found 6/12$177
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/118:05 amCID - ORD
Nonstop1h 20mUnited Airlines
Sat 7/128:10 pmORD - CID
Nonstop1h 16mUnited Airlines
Deal found 6/10$179
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/111:18 amCID - ORD
Nonstop1h 24mAmerican Airlines
Fri 7/41:06 pmORD - CID
Nonstop1h 05mAmerican Airlines
Deal found 6/11$184
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/31:10 pmDSM - ORD
Nonstop1h 37mUnited Airlines
Wed 9/33:50 pmORD - DSM
Nonstop1h 24mUnited Airlines
Deal found 6/11$184
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sun 7/136:32 pmDSM - ORD
1 stop26h 58mMultiple Airlines
Tue 7/153:18 pmORD - DSM
1 stop23h 08mMultiple Airlines
Deal found 6/11$188
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/116:09 pmDSM - ORD
Nonstop1h 30mAmerican Airlines
Mon 7/1410:25 pmORD - DSM
Nonstop1h 19mAmerican Airlines
Deal found 6/11$189
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/316:00 amOMA - ORD
Nonstop1h 43mAmerican Airlines
Thu 8/77:05 amORD - OMA
Nonstop1h 42mAmerican Airlines
Deal found 6/12$203
This Delta deal was found by Cheapflights users on 6/11. 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 7/14:16 pmCID - ORD
1 stop5h 21mDelta
Fri 7/45:37 pmORD - CID
1 stop5h 15mDelta
Deal found 6/11$204
This Southwest deal was found by Cheapflights users on 6/12. 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 9/45:20 amOMA - ORD
2 stops10h 00mSouthwest
Mon 9/812:40 pmORD - OMA
1 stop6h 25mSouthwest
Deal found 6/12$204

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 June 12, 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

Des MoinesSt. Louis

DSM - STL

DSMSTL

Des Moines

Tue 8/12

8:25 am-9:30 am

Nonstop1h 05m

Lambert-St Louis

Thu 8/14

9:40 pm-10:50 pm

Nonstop1h 10m

$97

OmahaSt. Louis

OMA - STL

OMASTL

Omaha Eppley Airfield

Tue 8/5

12:25 pm-1:40 pm

Nonstop1h 15m

Lambert-St Louis

Thu 8/7

9:40 pm-10:55 pm

Nonstop1h 15m

$157

Des MoinesSt. Louis

DSM - STL

DSMSTL

Des Moines

Tue 8/12

5:25 pm-11:22 pm

1 stop5h 57m

Lambert-St Louis

Thu 8/14

5:11 pm-10:39 pm

1 stop5h 28m

$167

OmahaSt. Louis

OMA - STL

OMASTL

Omaha Eppley Airfield

Tue 8/5

6:16 pm-11:59 pm

1 stop5h 43m

Lambert-St Louis

Thu 8/7

5:15 am-11:09 am

1 stop5h 54m

$177

Cedar RapidsChicago

CID - ORD

CIDORD

Cedar Rapids

Fri 7/11

8:05 am-9:25 am

Nonstop1h 20m

Chicago O'Hare Intl

Sat 7/12

8:10 pm-9:26 pm

Nonstop1h 16m

$179

Cedar RapidsChicago

CID - ORD

CIDORD

Cedar Rapids

Tue 7/1

11:18 am-12:42 pm

Nonstop1h 24m

Chicago O'Hare Intl

Fri 7/4

1:06 pm-2:11 pm

Nonstop1h 05m

$184

Des MoinesChicago

DSM - ORD

DSMORD

Des Moines

Wed 9/3

1:10 pm-2:47 pm

Nonstop1h 37m

Chicago O'Hare Intl

Wed 9/3

3:50 pm-5:14 pm

Nonstop1h 24m

$184

Des MoinesChicago

DSM - ORD

DSMORD

Des Moines

Sun 7/13

6:32 pm-9:30 pm

1 stop26h 58m

Chicago O'Hare Intl

Tue 7/15

3:18 pm-2:26 pm

1 stop23h 08m

$188

Des MoinesChicago

DSM - ORD

DSMORD

Des Moines

Fri 7/11

6:09 pm-7:39 pm

Nonstop1h 30m

Chicago O'Hare Intl

Mon 7/14

10:25 pm-11:44 pm

Nonstop1h 19m

$189

OmahaChicago

OMA - ORD

OMAORD

Omaha Eppley Airfield

Thu 7/31

6:00 am-7:43 am

Nonstop1h 43m

Chicago O'Hare Intl

Thu 8/7

7:05 am-8:47 am

Nonstop1h 42m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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, August is the cheapest month in which you can book a flight from Iowa to Illinois (average of $245). Flying from Iowa to Illinois in March is currently the most expensive (average of $321). 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 June 12, 2025.

When flying from Iowa to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 June 12, 2025.

The most flights from USIA to USIL are scheduled on a Thursday (45 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Iowa to Illinois. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $49 on Southwest. Other airlines that offer cheap prices include United Airlines from $55 and American Airlines from $79 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, August is the cheapest month in which you can book a flight from Iowa to Illinois (average of $245). Flying from Iowa to Illinois in March is currently the most expensive (average of $321). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$72Average$108FlexibilityNo cancel feeOn-timeN/A
Denver Air ConnectionCheapest$129Average$170FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$147Average$261FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$179Average$346FlexibilityNo cancel feeOn-time71%

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