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$68+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CVG
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 12/316:30 amSTL - CVG
1 stop5h 47mUnited Airlines
Wed 12/315:45 pmCVG - STL
1 stop4h 58mUnited Airlines
Deal found 12/11$229
This Frontier deal was found by Cheapflights users on 12/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:42 amSTL - CVG
1 stop7h 36mFrontier
Mon 12/225:05 amCVG - STL
1 stop5h 40mFrontier
Deal found 12/10$238
This Frontier deal was found by Cheapflights users on 12/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:42 amSTL - CVG
1 stop4h 41mFrontier
Sun 1/119:05 pmCVG - STL
1 stop12h 00mFrontier
Deal found 12/11$297
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/143:30 pmSTL - CVG
1 stop18h 22mFrontier
Mon 12/158:55 pmCVG - STL
1 stop26h 38mFrontier
Deal found 12/10$298
This Frontier deal was found by Cheapflights users on 12/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/141:16 pmSTL - CVG
1 stop9h 42mFrontier
Tue 12/1611:57 amCVG - STL
1 stop11h 36mFrontier
Deal found 12/10$313
This Frontier deal was found by Cheapflights users on 12/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:48 amSTL - CVG
1 stop7h 30mFrontier
Tue 1/63:49 pmCVG - STL
1 stop7h 44mFrontier
Deal found 12/11$337
This Frontier deal was found by Cheapflights users on 12/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:16 pmSTL - CVG
1 stop9h 42mFrontier
Thu 12/1811:57 amCVG - STL
1 stop11h 36mFrontier
Deal found 12/10$393
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/259:55 amSTL - CVG
1 stop5h 59mUnited Airlines
Mon 12/292:19 pmCVG - STL
1 stop5h 59mUnited Airlines
Deal found 12/10$394
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Tue 12/306:30 amSTL - CVG
1 stop5h 47mUnited Airlines
Tue 12/302:19 pmCVG - STL
1 stop4h 35mUnited Airlines
Deal found 12/11$433
This Delta deal was found by Cheapflights users on 12/11. 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.
Fri 12/266:29 amSTL - CVG
1 stop3h 51mDelta
Tue 12/306:00 amCVG - STL
1 stop4h 24mDelta
Deal found 12/11$439
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:43 pmSTL - CVG
1 stop29h 25mFrontier
Sun 1/48:20 pmCVG - STL
2 stops14h 42mFrontier
Deal found 12/10$466

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$146
(Frontier)

One-way from

$68
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$436
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
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 12, 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

Mon 1/26

1:40 pm-8:53 pm

1 stop6h 13m

Cincinnati Cinci./N. Kentucky

Mon 2/2

5:39 pm-11:33 pm

1 stop6h 54m

$146

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 1/8

5:11 pm-10:52 am

1 stop16h 41m

Cincinnati Cinci./N. Kentucky

Thu 1/15

9:30 pm-6:51 am

1 stop10h 21m

$162

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 1/24

8:22 pm-4:42 pm

1 stop19h 20m

Cincinnati Cinci./N. Kentucky

Sat 1/31

4:23 pm-11:33 pm

1 stop8h 10m

$188

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 12/31

6:30 am-1:17 pm

1 stop5h 47m

Cincinnati Cinci./N. Kentucky

Wed 12/31

5:45 pm-9:43 pm

1 stop4h 58m

$229

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 12/18

10:42 am-7:18 pm

1 stop7h 36m

Cincinnati Cinci./N. Kentucky

Mon 12/22

5:05 am-9:45 am

1 stop5h 40m

$238

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 1/29

5:42 pm-1:00 pm

1 stop18h 18m

Cincinnati Cinci./N. Kentucky

Sun 2/1

5:39 pm-9:21 am

1 stop16h 42m

$281

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sun 12/14

3:30 pm-10:52 am

1 stop18h 22m

Cincinnati Cinci./N. Kentucky

Mon 12/15

8:55 pm-10:33 pm

1 stop26h 38m

$298

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 1/8

11:35 am-10:25 pm

2 stops9h 50m

Cincinnati Cinci./N. Kentucky

Thu 1/15

5:45 am-2:10 pm

2 stops9h 25m

$299

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sun 12/14

1:16 pm-11:58 pm

1 stop9h 42m

Cincinnati Cinci./N. Kentucky

Tue 12/16

11:57 am-10:33 pm

1 stop11h 36m

$313

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 1/29

11:30 am-7:40 pm

2 stops7h 10m

Cincinnati Cinci./N. Kentucky

Sun 2/1

1:20 pm-8:20 pm

2 stops8h 00m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 21 results
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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 December.
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, September is the cheapest month in which you can book a flight from St. Louis to Cincinnati (average of $161). Flying from St. Louis to Cincinnati in February is currently the most expensive (average of $307). 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 December 12, 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 December 12, 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
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 6h 13m. 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 47% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Cincinnati one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $54. American Airlines flights start at $98 while deals on Delta start at $114 one-way.

  • 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, September is the cheapest month in which you can book a flight from St. Louis to Cincinnati (average of $161). Flying from St. Louis to Cincinnati in February is currently the most expensive (average of $307). 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
Newport
Florence
Sharonville
Mason
West Chester
Covington
Lawrenceburg
Fairfield
Blue Ash
Hebron
Williamstown
Sparta
Middletown
Edgewood
Oxford
Dry Ridge

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Cincinnati

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$356FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$438FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$261Average$377FlexibilityNo cancel feeOn-time69%

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