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$55+ Cheap flights from Cincinnati (CVG) 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Cincinnati to Illinois

Keep the following information in mind while searching for Cincinnati to Illinois flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$123
(Trip.com)

One-way from

$55
(Frontier)

Popular in

February

Cheapest in

August

Average price

$311

Good round-trip deal

$349 or less

Good one-way deal

$176 or less
Provider with most accurate pricing for Cincinnati Cinci./N. Kentucky-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Cincinnati Cinci./N. Kentucky-Chicago (CHI) flights.
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From Cincinnati Cinci./N. Kentucky to Illinois
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One-way flight from Cincinnati Cinci./N. Kentucky to Illinois
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Highest demand for flights based on searches. 4% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Cincinnati Cinci./N. Kentucky to Illinois.
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Price to beat on a one-way flight from Cincinnati Cinci./N. Kentucky to Illinois.
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Find flight deals from Cincinnati to Illinois

Cheapest flights from Cincinnati to Illinois
Explore the most affordable flight options available from Cincinnati to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Trip.com deal was found by Cheapflights users on 2/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/24:51 pmCVG - STL
1 stop7h 55mFrontier
Mon 4/285:41 pmSTL - CVG
1 stop6h 31mFrontier
Deal found 2/20$123
This Booking.com deal was found by Cheapflights users on 2/19. 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 3/187:10 amCVG - MDW
1 stop9h 03mFrontier
Wed 3/193:14 pmMDW - CVG
1 stop15h 09mFrontier
Deal found 2/19$140
This Frontier deal was found by Cheapflights users on 2/20. 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.
Wed 4/94:31 pmCVG - ORD
1 stop9h 06mFrontier
Fri 4/114:26 pmORD - CVG
1 stop11h 57mFrontier
Deal found 2/20$140
This Southwest deal was found by Cheapflights users on 2/19. 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 3/61:15 pmCVG - MDW
1 stop4h 50mSouthwest
Mon 3/102:35 pmMDW - CVG
2 stops8h 40mSouthwest
Deal found 2/19$142
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/76:20 pmCVG - ORD
Nonstop1h 28mUnited Airlines
Fri 4/112:58 pmORD - CVG
Nonstop1h 26mUnited Airlines
Deal found 2/20$142
This American Airlines deal was found by Cheapflights users on 2/20. 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 5/27:18 amCVG - ORD
Nonstop1h 26mAmerican Airlines
Mon 5/510:12 pmORD - CVG
Nonstop1h 23mAmerican Airlines
Deal found 2/20$162
This Delta deal was found by Cheapflights users on 2/20. 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.
Fri 4/118:12 pmCVG - ORD
1 stop4h 47mDelta
Tue 4/225:30 amORD - CVG
1 stop5h 22mDelta
Deal found 2/20$177
This Delta deal was found by Cheapflights users on 2/20. 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.
Mon 3/106:21 amCVG - MDW
1 stop4h 24mDelta
Wed 3/129:25 amMDW - CVG
2 stops8h 41mDelta
Deal found 2/20$182
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Mon 5/56:00 amCVG - ORD
1 stop28h 24mMultiple Airlines
Wed 5/76:00 amORD - CVG
2 stops34h 14mMultiple Airlines
Deal found 2/19$196
This American Airlines deal was found by Cheapflights users on 2/18. 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 3/158:25 amCVG - MLI
1 stop3h 51mAmerican Airlines
Mon 3/176:32 pmMLI - CVG
1 stop3h 00mAmerican Airlines
Deal found 2/18$214
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/185:30 amCVG - STL
1 stop6h 08mAmerican Airlines
Wed 3/191:51 pmSTL - CVG
1 stop4h 37mAmerican Airlines
Deal found 2/19$247
This Mytrip deal was found by Cheapflights users on 2/19. 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 3/96:30 amCVG - STL
1 stop11h 12mMultiple Airlines
Tue 3/115:38 pmSTL - CVG
2 stops16h 59mMultiple Airlines
Deal found 2/19$264

Find flights from Cincinnati to Illinois within your budget

Customize your flight search to find flights from Cincinnati 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 February 20, 2025.

Fly from

Cincinnati

Fly to

Illinois

Route

Depart

Return

Price

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Wed 4/2

4:51 pm-11:46 pm

1 stop7h 55m

Lambert-St Louis

Mon 4/28

5:41 pm-1:12 am

1 stop6h 31m

$123

CincinnatiChicago

CVG - MDW

CVGMDW

Cincinnati Cinci./N. Kentucky

Tue 3/18

7:10 am-3:13 pm

1 stop9h 03m

Chicago Midway

Wed 3/19

3:14 pm-7:23 am

1 stop15h 09m

$140

CincinnatiChicago

CVG - ORD

CVGORD

Cincinnati Cinci./N. Kentucky

Wed 4/9

4:31 pm-12:37 am

1 stop9h 06m

Chicago O'Hare Intl

Fri 4/11

4:26 pm-5:23 am

1 stop11h 57m

$140

CincinnatiChicago

CVG - MDW

CVGMDW

Cincinnati Cinci./N. Kentucky

Thu 3/6

1:15 pm-5:05 pm

1 stop4h 50m

Chicago Midway

Mon 3/10

2:35 pm-12:15 am

2 stops8h 40m

$142

CincinnatiChicago

CVG - ORD

CVGORD

Cincinnati Cinci./N. Kentucky

Mon 4/7

6:20 pm-6:48 pm

Nonstop1h 28m

Chicago O'Hare Intl

Fri 4/11

2:58 pm-5:24 pm

Nonstop1h 26m

$142

CincinnatiChicago

CVG - ORD

CVGORD

Cincinnati Cinci./N. Kentucky

Thu 3/6

7:04 am-7:31 am

Nonstop1h 27m

Chicago O'Hare Intl

Mon 3/10

11:00 am-1:21 pm

Nonstop1h 21m

$147

CincinnatiChicago

CVG - ORD

CVGORD

Cincinnati Cinci./N. Kentucky

Fri 4/11

8:12 pm-11:59 pm

1 stop4h 47m

Chicago O'Hare Intl

Tue 4/22

5:30 am-11:52 am

1 stop5h 22m

$177

CincinnatiChicago

CVG - MDW

CVGMDW

Cincinnati Cinci./N. Kentucky

Mon 3/10

6:21 am-9:45 am

1 stop4h 24m

Chicago Midway

Wed 3/12

9:25 am-7:06 pm

2 stops8h 41m

$182

CincinnatiChicago

CVG - ORD

CVGORD

Cincinnati Cinci./N. Kentucky

Mon 5/5

6:00 am-9:24 am

1 stop28h 24m

Chicago O'Hare Intl

Wed 5/7

6:00 am-5:14 pm

2 stops34h 14m

$196

CincinnatiMoline

CVG - MLI

CVGMLI

Cincinnati Cinci./N. Kentucky

Sat 3/15

8:25 am-11:16 am

1 stop3h 51m

Moline Quad-City

Mon 3/17

6:32 pm-10:32 pm

1 stop3h 00m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 37 results
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Best time to book a flight from Cincinnati to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Cincinnati 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.

Travel insights for flights from Cincinnati to Illinois

Get recent, data-driven insights about flights from Cincinnati to Illinois including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Cincinnati to Illinois (average of $245). Flying from Cincinnati 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 CVG to IL?

Find hourly flight availability from Cincinnati 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 February 20, 2025.

When flying from Cincinnati 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 Cincinnati to Illinois

Explore weekly flight availability from Cincinnati 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 February 20, 2025.

The most flights from CVG to USIL are scheduled on a Wednesday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 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 February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Cincinnati to Illinois to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Allegiant Air
7.3
Good
765 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Cincinnati to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cincinnati to Illinois?

    Cincinnati Cinci./N. Kentucky (CVG) is the airport you will fly out of if you book a flight from Cincinnati to Illinois. It is only a 8.8 mi journey to Cinci./N. Kentucky (CVG) from Cincinnati’s city center.

  • What are the cheapest airlines to fly from Cincinnati 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 $59 and United Airlines from $59 one-way.

  • What are the most popular routes from Cincinnati to Illinois?

    Most travelers choose Cincinnati Cinci./N. Kentucky - Chicago O'Hare Intl, Cincinnati Cinci./N. Kentucky - Chicago Midway or Cincinnati Cinci./N. Kentucky - Lambert-St Louis when deciding on the best route from Cincinnati to Illinois.

  • What are the most reliable airlines from Cincinnati to Illinois?

    Before booking your flight to Illinois from Cincinnati, check out the most reliable airlines to get you to your destination on time: Gulf Air (91%), Emirates (90%), Republic Airways( 89%).

  • What are the cheapest flights from Cincinnati to Illinois?

    Looking at all options, your cheapest flight can be booked for $115. While the most popular route (Cincinnati Cinci./N. Kentucky - Chicago O'Hare Intl) can be booked for $118 on average our data indicates $836 when flying from Cincinnati to Illinois.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cincinnati 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 Cincinnati to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Cincinnati to Illinois (average of $245). Flying from Cincinnati 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.

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Top 5 airlines flying from Cincinnati to Illinois

Discover the top 5 airlines that operate flights from Cincinnati 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$168FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$117Average$294FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$117Average$284FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$148Average$360FlexibilityNo cancel feeOn-time63%
DeltaCheapest$208Average$396FlexibilityNo cancel feeOn-timeN/A
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