HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cincinnati

$55+ Cheap flights from St. Louis to Cincinnati (STL - CVG)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CVG
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Cincinnati 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.

Find flight deals from St. Louis to Cincinnati

Cheapest flights from St. Louis to Cincinnati
Explore the most affordable flight options available from St. Louis to Cincinnati. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Mytrip deal was found by Cheapflights users on 10/27. 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.
Tue 11/117:45 pmSTL - CVG
1 stop25h 23mFrontier
Thu 11/1311:00 amCVG - STL
1 stop7h 27mFrontier
Deal found 10/27$139
This Booking.com deal was found by Cheapflights users on 10/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:45 pmSTL - CVG
1 stop25h 23mFrontier
Sat 11/158:00 amCVG - STL
1 stop8h 38mFrontier
Deal found 10/26$141
This Frontier deal was found by Cheapflights users on 10/27. 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 11/79:07 pmSTL - CVG
1 stop8h 47mFrontier
Thu 11/1311:00 amCVG - STL
1 stop7h 27mFrontier
Deal found 10/27$143
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:07 pmSTL - CVG
1 stop8h 47mFrontier
Sun 11/165:10 amCVG - STL
1 stop9h 07mFrontier
Deal found 10/26$176
This Mytrip deal was found by Cheapflights users on 10/27. 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 11/27:45 pmSTL - CVG
1 stop25h 19mFrontier
Wed 11/59:30 pmCVG - STL
1 stop17h 27mFrontier
Deal found 10/27$211
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:12 pmSTL - CVG
1 stop8h 59mFrontier
Fri 11/145:10 amCVG - STL
1 stop6h 10mFrontier
Deal found 10/26$222
This Frontier deal was found by Cheapflights users on 10/28. 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 10/312:42 pmSTL - CVG
1 stop15h 12mFrontier
Sun 11/25:10 amCVG - STL
1 stop9h 07mFrontier
Deal found 10/28$228
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:58 pmSTL - CVG
1 stop14h 54mFrontier
Sat 1/36:00 amCVG - STL
2 stops28h 40mFrontier
Deal found 10/27$274
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Thu 11/1311:07 amSTL - CVG
2 stops12h 04mFrontier
Fri 11/141:27 pmCVG - STL
1 stop20h 40mFrontier
Deal found 10/28$275
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/258:39 amSTL - CVG
1 stop5h 12mAmerican Airlines
Tue 12/28:33 pmCVG - STL
1 stop4h 23mAmerican Airlines
Deal found 10/26$278

Cheap flight deals from St. Louis to Cincinnati

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Cincinnati (CVG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$139
(Mytrip)

One-way from

$55
(Priceline)

Popular in

November

Cheapest in

August

Average price

$533
Provider with most accurate pricing for Lambert-St Louis-Cincinnati Cinci./N. Kentucky flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Cincinnati Cinci./N. Kentucky flights.
Search Deals
From Lambert-St Louis to Cincinnati Cinci./N. Kentucky
Search Deals
One-way flight from Lambert-St Louis to Cincinnati Cinci./N. Kentucky
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Cincinnati 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 October 28, 2025.
Use the filters below to find and compare flights from St. Louis to Cincinnati that are best for you.

Fly from

St. Louis

Fly to

Cincinnati

Route

Depart

Return

Price

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 11/11

7:45 pm-10:08 pm

1 stop25h 23m

Cincinnati Cinci./N. Kentucky

Thu 11/13

11:00 am-5:27 pm

1 stop7h 27m

$139

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 11/7

9:07 pm-6:54 am

1 stop8h 47m

Cincinnati Cinci./N. Kentucky

Thu 11/13

11:00 am-5:27 pm

1 stop7h 27m

$143

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 11/13

2:12 pm-12:11 am

1 stop8h 59m

Cincinnati Cinci./N. Kentucky

Fri 11/14

5:10 am-10:20 am

1 stop6h 10m

$143

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 11/7

9:07 pm-6:54 am

1 stop8h 47m

Cincinnati Cinci./N. Kentucky

Fri 11/14

5:10 am-10:20 am

1 stop6h 10m

$176

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 11/14

9:07 pm-6:54 am

1 stop8h 47m

Cincinnati Cinci./N. Kentucky

Sun 11/16

5:10 am-1:17 pm

1 stop9h 07m

$176

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 11/10

2:12 pm-12:11 am

1 stop8h 59m

Cincinnati Cinci./N. Kentucky

Fri 11/14

5:10 am-10:20 am

1 stop6h 10m

$222

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 11/11

7:45 pm-10:08 pm

1 stop25h 23m

Cincinnati Cinci./N. Kentucky

Sat 11/15

3:47 pm-10:12 am

2 stops19h 25m

$259

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 11/25

8:39 am-2:51 pm

1 stop5h 12m

Cincinnati Cinci./N. Kentucky

Tue 12/2

8:33 pm-11:56 pm

1 stop4h 23m

$278

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 11/26

6:45 pm-11:58 pm

1 stop4h 13m

Cincinnati Cinci./N. Kentucky

Wed 12/3

6:00 am-9:32 am

1 stop4h 32m

$278

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 12/16

3:30 pm-5:44 pm

1 stop25h 14m

Cincinnati Cinci./N. Kentucky

Fri 12/19

1:20 pm-10:02 am

1 stop21h 42m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 20 results
1
2

Compare providers for flights from St. Louis to Cincinnati

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Cincinnati in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Cincinnati flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Cincinnati flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Cincinnati flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Cincinnati flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Cincinnati flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Cincinnati

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

What is the cheapest month to book a flight from St. Louis to Cincinnati?

Currently, December is the cheapest month in which you can book a flight from St. Louis to Cincinnati (average of $114). Flying from St. Louis to Cincinnati in June is currently the most expensive (average of $257). 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 STL to CVG?

Find hourly flight availability from St. Louis to Cincinnati. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

When flying from St. Louis to Cincinnati, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight in the morning.

Reviews of airlines servicing Cincinnati

Get insights into the airlines that provide service to Cincinnati. 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 Cincinnati. Reviews last updated October 28, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Cincinnati have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Cincinnati. 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 St. Louis to Cincinnati?

    Frontier can get you from St. Louis to Cincinnati in just under 25h 23m. Your travel time can differ by up to . Airlines will cover a distance of 307 mi.

  • What are the cheapest airlines flying from St. Louis to Cincinnati round-trip?

    American Airlines, at $196, was found to be the cheapest airline from St. Louis to Cincinnati.Alternate airlines to your destination round-trip include Delta and United Airlines. These flights start at 51% lower than the current average price 3 months from now.

  • Can I find deals for flights from St. Louis to Cincinnati that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Cincinnati?

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

  • Can I find deals for business class flights from St. Louis to Cincinnati?

    Yes. Cheapflights offers flight deals from St. Louis to Cincinnati 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 St. Louis to Cincinnati?

    Currently, December is the cheapest month in which you can book a flight from St. Louis to Cincinnati (average of $114). Flying from St. Louis to Cincinnati in June is currently the most expensive (average of $257). 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

Traveling to a place near Cincinnati?

Book flights to Cincinnati if you plan to visit one of these locations
Florence
Newport
Sharonville
Mason
West Chester
Covington
Hebron
Lawrenceburg
Fairfield
Blue Ash
Williamstown
Sparta
Middletown
Edgewood
Oxford
Dry Ridge

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 St. Louis to Cincinnati

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Detroit flights
Kansas City to Detroit flights
St. Louis to Pittsburgh flights
St. Louis to Cleveland flights
Kansas City to Pittsburgh flights
Kansas City to Columbus flights
Kansas City to Cincinnati flights
St. Louis to Columbus flights
Springfield to Detroit flights
Springfield to Cleveland flights
Kansas City to Dayton flights
Kansas City to Cleveland flights
Springfield to Columbus flights
Springfield to Pittsburgh flights
Kansas City to Akron flights
St. Louis to Dayton flights
St. Louis to Akron flights
Joplin to Detroit flights
Columbia to Dayton flights
Springfield to Toledo flights
Kansas City to Huntington flights
Kansas City to Toledo flights
St. Louis to Toledo flights
Kansas City to Erie flights
Columbia to Pittsburgh flights

Top 3 airlines flying from St. Louis to Cincinnati

Discover the top 3 airlines that operate flights from St. Louis to Cincinnati. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$356FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$381FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$261Average$392FlexibilityNo 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.