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$79+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Frontier)

One-way from

$79
(Frontier)

Popular in

February

Cheapest in

April

Average price

$256

Good round-trip deal

$331 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. 7% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Frontier deal was found by Cheapflights users on 3/27. 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.
Thu 4/1712:03 pmCVG - STL
1 stop12h 43mFrontier
Sun 4/201:06 pmSTL - CVG
1 stop15h 03mFrontier
Deal found 3/27$158
This Frontier deal was found by Cheapflights users on 3/27. 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 4/256:10 amCVG - ORD
1 stop13h 07mFrontier
Mon 4/286:30 amORD - CVG
1 stop9h 14mFrontier
Deal found 3/27$158
This Frontier deal was found by Cheapflights users on 3/27. 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 4/1611:00 amCVG - MDW
1 stop11h 33mFrontier
Mon 4/211:10 pmMDW - CVG
1 stop10h 04mFrontier
Deal found 3/27$159
This American Airlines deal was found by Cheapflights users on 3/26. 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 8/307:56 amCVG - MLI
1 stop7h 23mAmerican Airlines
Sun 8/314:34 pmMLI - CVG
1 stop6h 56mAmerican Airlines
Deal found 3/26$199
This Delta deal was found by Cheapflights users on 3/26. 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 5/58:09 pmCVG - STL
1 stop4h 27mDelta
Wed 5/76:45 amSTL - CVG
1 stop5h 41mDelta
Deal found 3/26$217
This Mytrip deal was found by Cheapflights users on 3/27. 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 5/117:50 pmCVG - ORD
1 stop24h 19mMultiple Airlines
Sun 5/189:55 amORD - CVG
2 stops35h 07mMultiple Airlines
Deal found 3/27$220
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Thu 5/291:15 pmCVG - RFD
1 stop25h 37mAllegiant Air
Tue 6/311:19 amRFD - CVG
1 stop24h 39mAllegiant Air
Deal found 3/27$226
This Southwest deal was found by Cheapflights users on 3/27. 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 5/296:50 amCVG - MDW
Nonstop1h 10mSouthwest
Tue 6/36:25 pmMDW - CVG
Nonstop1h 10mSouthwest
Deal found 3/27$229
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/177:18 amCVG - ORD
Nonstop1h 26mAmerican Airlines
Mon 4/214:44 pmORD - CVG
Nonstop1h 16mAmerican Airlines
Deal found 3/27$229
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/1011:26 amCVG - MLI
1 stop6h 21mUnited Airlines
Mon 4/143:50 pmMLI - CVG
1 stop3h 55mUnited Airlines
Deal found 3/26$239
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 4/1710:29 amCVG - ORD
1 stop3h 10mDelta
Tue 5/209:00 amORD - CVG
1 stop3h 26mDelta
Deal found 3/27$249
This Delta deal was found by Cheapflights users on 3/27. 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 4/226:00 amCVG - MDW
2 stops7h 35mDelta
Wed 4/239:20 amMDW - CVG
1 stop3h 06mDelta
Deal found 3/27$254

Cheapflights Fare Finder

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 March 28, 2025.
Use the filters below to find and compare flights from Cincinnati to Illinois that are best for you.

Fly from

Cincinnati

Fly to

Illinois

Route

Depart

Return

Price

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Thu 4/17

12:03 pm-11:46 pm

1 stop12h 43m

Lambert-St Louis

Sun 4/20

1:06 pm-5:09 am

1 stop15h 03m

$158

CincinnatiChicago

CVG - ORD

CVGORD

Cincinnati Cinci./N. Kentucky

Fri 4/25

6:10 am-6:17 pm

1 stop13h 07m

Chicago O'Hare Intl

Mon 4/28

6:30 am-4:44 pm

1 stop9h 14m

$158

CincinnatiChicago

CVG - MDW

CVGMDW

Cincinnati Cinci./N. Kentucky

Wed 4/16

11:00 am-9:33 pm

1 stop11h 33m

Chicago Midway

Mon 4/21

1:10 pm-12:14 am

1 stop10h 04m

$159

CincinnatiMoline

CVG - MLI

CVGMLI

Cincinnati Cinci./N. Kentucky

Sat 8/30

7:56 am-2:19 pm

1 stop7h 23m

Moline Quad-City

Sun 8/31

4:34 pm-12:30 am

1 stop6h 56m

$199

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Mon 5/5

8:09 pm-11:36 pm

1 stop4h 27m

Lambert-St Louis

Wed 5/7

6:45 am-1:26 pm

1 stop5h 41m

$217

CincinnatiChicago

CVG - ORD

CVGORD

Cincinnati Cinci./N. Kentucky

Sun 5/11

7:50 pm-7:09 pm

1 stop24h 19m

Chicago O'Hare Intl

Sun 5/18

9:55 am-10:02 pm

2 stops35h 07m

$220

CincinnatiChicago

CVG - RFD

CVGRFD

Cincinnati Cinci./N. Kentucky

Thu 5/29

1:15 pm-1:52 pm

1 stop25h 37m

Chicago Greater Rockford

Tue 6/3

11:19 am-12:58 pm

1 stop24h 39m

$226

CincinnatiChicago

CVG - MDW

CVGMDW

Cincinnati Cinci./N. Kentucky

Thu 5/29

6:50 am-7:00 am

Nonstop1h 10m

Chicago Midway

Tue 6/3

6:25 pm-8:35 pm

Nonstop1h 10m

$229

CincinnatiChicago

CVG - ORD

CVGORD

Cincinnati Cinci./N. Kentucky

Thu 4/17

7:18 am-7:44 am

Nonstop1h 26m

Chicago O'Hare Intl

Mon 4/21

4:44 pm-7:00 pm

Nonstop1h 16m

$229

CincinnatiMoline

CVG - MLI

CVGMLI

Cincinnati Cinci./N. Kentucky

Thu 4/10

11:26 am-4:47 pm

1 stop6h 21m

Moline Quad-City

Mon 4/14

3:50 pm-8:45 pm

1 stop3h 55m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 35 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.

Cheapflights Insights

Everything you need to know about your flight from Cincinnati to Illinois

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 $323). 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 March 28, 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 March 28, 2025.

The most flights from CVG to USIL are scheduled on a Thursday (52 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 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 March 28, 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
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Allegiant Air
7.3
Good
731 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $79 on Frontier. Other airlines that offer cheap prices include Allegiant Air from $98 and Sun Country Air from $112 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: Avianca (95%), GoJet (93%), Emirates( 90%).

  • What are the cheapest flights from Cincinnati to Illinois?

    Looking at all options, your cheapest flight can be booked for $83. While the most popular route (Cincinnati Cinci./N. Kentucky - Chicago O'Hare Intl) can be booked for $202 on average our data indicates $1,534 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 $323). 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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Alternative routes for Cincinnati 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 Cincinnati to Illinois

Discover the top 4 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$168FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$117Average$285FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$118Average$303FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$148Average$337FlexibilityNo cancel feeOn-time63%
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