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$61+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ORD
nov. 21 — nov. 281
ven. 11/21
ven. 11/28
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 octobre 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$144
(Priceline)

One-way from

$61
(Kiwi.com)

Popular in

February

Cheapest in

April

Average price

$297

Good round-trip deal

$337 or less

Good one-way deal

$155 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. 3% potential increase in price ($10 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 October 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 octobre 22, 2025.

This Priceline deal was found by Cheapflights users on 10/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/305:10 amCVG - STL
1 stop9h 07mFrontier
dim. 11/22:12 pmSTL - CVG
1 stop8h 59mFrontier
Deal found 10/20$144
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/410:24 amCVG - STL
1 stop23h 43mFrontier
sam. 11/87:45 pmSTL - CVG
1 stop28h 54mFrontier
Deal found 10/20$157
This Frontier deal was found by Cheapflights users on 10/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/611:00 amCVG - STL
1 stop7h 27mFrontier
lun. 11/102:12 pmSTL - CVG
1 stop8h 59mFrontier
Deal found 10/22$170
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/2912:30 pmCVG - STL
1 stop22h 42mFrontier
lun. 11/37:45 pmSTL - CVG
1 stop25h 23mFrontier
Deal found 10/20$177
This Priceline deal was found by Cheapflights users on 10/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/55:33 pmCVG - STL
1 stop6h 00mFrontier
lun. 12/89:54 amSTL - CVG
1 stop8h 51mFrontier
Deal found 10/21$179
This Southwest deal was found by Cheapflights users on 10/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/103:35 pmCVG - MDW
1 stop6h 30mSouthwest
sam. 12/138:20 amMDW - CVG
1 stop5h 40mSouthwest
Deal found 10/21$191
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/311:58 amCVG - ORD
Nonstop1h 32mAmerican Airlines
mer. 12/35:40 pmORD - CVG
1 stop4h 52mAmerican Airlines
Deal found 10/21$191
This Frontier deal was found by Cheapflights users on 10/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/246:45 amCVG - MDW
1 stop10h 24mFrontier
dim. 11/26:06 pmMDW - CVG
1 stop5h 44mFrontier
Deal found 10/21$192
This Frontier deal was found by Cheapflights users on 10/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/275:59 pmCVG - ORD
1 stop8h 32mFrontier
ven. 10/315:11 amORD - CVG
1 stop10h 59mFrontier
Deal found 10/22$192
This Frontier deal was found by Cheapflights users on 10/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/55:33 pmCVG - STL
1 stop6h 00mFrontier
ven. 12/123:30 pmSTL - CVG
1 stop6h 54mFrontier
Deal found 10/21$193
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/46:00 amCVG - ORD
1 stop8h 57mFrontier
mar. 12/94:22 pmORD - CVG
2 stops51h 08mFrontier
Deal found 10/20$193
This Southwest deal was found by Cheapflights users on 10/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/67:00 amCVG - MDW
Nonstop1h 15mSouthwest
lun. 12/82:30 pmMDW - CVG
2 stops7h 00mSouthwest
Deal found 10/20$194

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 octobre 22, 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

jeu. 10/30

5:10 am-1:17 pm

1 stop9h 07m

Lambert-St Louis

dim. 11/2

2:12 pm-12:11 am

1 stop8h 59m

$144

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

jeu. 11/6

11:00 am-5:27 pm

1 stop7h 27m

Lambert-St Louis

ven. 11/7

2:12 pm-12:11 am

1 stop8h 59m

$144

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

mar. 11/4

10:24 am-9:07 am

1 stop23h 43m

Lambert-St Louis

sam. 11/8

7:45 pm-1:39 am

1 stop28h 54m

$157

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

lun. 11/10

5:10 am-1:17 pm

1 stop9h 07m

Lambert-St Louis

jeu. 11/13

2:12 pm-12:11 am

1 stop8h 59m

$170

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

ven. 12/5

5:33 pm-10:33 pm

1 stop6h 00m

Lambert-St Louis

lun. 12/8

9:54 am-7:45 pm

1 stop8h 51m

$179

CincinnatiChicago

CVG - MDW

CVGMDW

Cincinnati Cinci./N. Kentucky

mer. 12/10

5:50 am-1:00 pm

2 stops8h 10m

Chicago Midway

mer. 12/10

2:30 pm-10:30 pm

2 stops7h 00m

$192

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

ven. 12/5

5:33 pm-10:33 pm

1 stop6h 00m

Lambert-St Louis

ven. 12/12

3:30 pm-11:24 pm

1 stop6h 54m

$193

CincinnatiChicago

CVG - MDW

CVGMDW

Cincinnati Cinci./N. Kentucky

sam. 12/6

7:00 am-7:15 am

Nonstop1h 15m

Chicago Midway

lun. 12/8

2:30 pm-10:30 pm

2 stops7h 00m

$194

CincinnatiChicago

CVG - MDW

CVGMDW

Cincinnati Cinci./N. Kentucky

mer. 12/10

5:50 am-1:00 pm

2 stops8h 10m

Chicago Midway

sam. 12/13

8:20 am-3:00 pm

1 stop5h 40m

$196

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

sam. 12/6

11:57 am-9:47 am

2 stops22h 50m

Lambert-St Louis

sam. 12/13

7:43 pm-7:32 pm

1 stop22h 49m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 60 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, September is the cheapest month in which you can book a flight from Cincinnati to Illinois (average of $77). Flying from Cincinnati to Illinois in July is currently the most expensive (average of $164). 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 octobre 22, 2025.

It’s optimal to fly from Cincinnati to Illinois in the evening. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Cincinnati to Illinois. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Cincinnati to Illinois flight should consider departing on Friday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 octobre 22, 2025.

The most flights from CVG to USIL are scheduled on a Wednesday (69 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (13 on average).

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

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 octobre 22, 2025.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Cincinnati to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,988 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,028 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,130 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Cincinnati to Illinois?

    For as low as $206, Frontier can have you in Illinois from Cincinnati in 1h 27m. There are 265 mi between Cincinnati and Illinois. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $66 on United Airlines. Other airlines that offer cheap prices include Frontier from $70 and Southwest from $74 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 (90%), Copa Airlines (87%), ANA( 84%).

  • What are the cheapest flights from Cincinnati to Illinois?

    Looking at all options, your cheapest flight can be booked for $118. While the most popular route (Cincinnati Cinci./N. Kentucky - Chicago O'Hare Intl) can be booked for $149 on average, our data indicates $961 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, September is the cheapest month in which you can book a flight from Cincinnati to Illinois (average of $77). Flying from Cincinnati to Illinois in July is currently the most expensive (average of $164). 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

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Top 3 airlines flying from Cincinnati to Illinois

Discover the top 3 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 octobre 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$137Average$309FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$153Average$287FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$183Average$310FlexibilityNo cancel feeOn-time63%

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