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$80+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CVG
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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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 enero 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$159
(Mytrip)

One-way from

$80
(Frontier)

Popular in

July

Cheapest in

November

Average price

$341
Provider with most accurate pricing for Lambert-St Louis-Cincinnati Cinci./N. Kentucky flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Cincinnati Cinci./N. Kentucky flights.
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From Lambert-St Louis to Cincinnati Cinci./N. Kentucky
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One-way flight from Lambert-St Louis to Cincinnati Cinci./N. Kentucky
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Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 15, 2026.

This Frontier deal was found by Cheapflights users on 1/15. 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.
jue. 1/295:42 pm
STL
-
CVG
1 stop21h 47m
Frontier
lun. 2/210:30 am
CVG
-
STL
1 stop14h 03m
Frontier
Deal found 1/15$161
This Frontier deal was found by Cheapflights users on 1/14. 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. 2/233:49 pm
STL
-
CVG
1 stop8h 10m
Frontier
mié. 2/253:20 pm
CVG
-
STL
1 stop8h 07m
Frontier
Deal found 1/14$181
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
mié. 2/254:51 pm
STL
-
CVG
1 stop29h 51m
Frontier
vie. 2/2712:17 pm
CVG
-
STL
1 stop13h 10m
Frontier
Deal found 1/14$214
This Frontier deal was found by Cheapflights users on 1/14. 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.
sáb. 2/2812:36 pm
STL
-
CVG
1 stop7h 49m
Frontier
sáb. 3/75:15 am
CVG
-
STL
1 stop8h 48m
Frontier
Deal found 1/14$240
This Frontier deal was found by Cheapflights users on 1/14. 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.
sáb. 3/71:58 pm
STL
-
CVG
1 stop8h 22m
Frontier
vie. 3/131:20 pm
CVG
-
STL
1 stop6h 30m
Frontier
Deal found 1/14$259
This United Airlines deal was found by Cheapflights users on 1/14. 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.
mié. 2/410:10 am
STL
-
CVG
1 stop4h 20m
United Airlines
jue. 2/57:00 am
CVG
-
STL
1 stop6h 29m
United Airlines
Deal found 1/14$280
This Frontier deal was found by Cheapflights users on 1/14. 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.
sáb. 1/178:32 pm
STL
-
CVG
1 stop9h 59m
Frontier
mar. 1/204:23 pm
CVG
-
STL
1 stop8h 10m
Frontier
Deal found 1/14$282
This Southwest deal was found by Cheapflights users on 1/13. 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.
lun. 4/274:00 pm
STL
-
CVG
1 stop6h 25m
Southwest
mié. 4/296:15 am
CVG
-
STL
2 stops9h 50m
Southwest
Deal found 1/13$285
This Southwest deal was found by Cheapflights users on 1/14. 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.
lun. 2/232:55 pm
STL
-
CVG
2 stops7h 10m
Southwest
mié. 2/257:00 am
CVG
-
STL
2 stops6h 45m
Southwest
Deal found 1/14$291

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 enero 15, 2026.
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

mar. 1/27

5:42 pm-3:03 pm

1 stop20h 21m

Cincinnati Cinci./N. Kentucky

sáb. 1/31

12:30 pm-11:33 pm

1 stop12h 03m

$159

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

jue. 1/29

10:01 pm-11:57 pm

1 stop24h 56m

Cincinnati Cinci./N. Kentucky

lun. 2/2

5:39 pm-11:33 pm

1 stop6h 54m

$169

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

lun. 2/23

3:49 pm-12:59 am

1 stop8h 10m

Cincinnati Cinci./N. Kentucky

mié. 2/25

3:20 pm-10:27 pm

1 stop8h 07m

$181

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

mié. 2/25

4:51 pm-11:42 pm

1 stop29h 51m

Cincinnati Cinci./N. Kentucky

vie. 2/27

12:17 pm-12:27 am

1 stop13h 10m

$214

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

mar. 2/10

3:49 pm-2:10 pm

1 stop21h 21m

Cincinnati Cinci./N. Kentucky

mar. 2/17

8:15 am-10:27 pm

1 stop15h 12m

$214

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

sáb. 2/28

12:36 pm-9:25 pm

1 stop7h 49m

Cincinnati Cinci./N. Kentucky

sáb. 3/7

5:15 am-1:03 pm

1 stop8h 48m

$240

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

mar. 2/10

3:49 pm-2:10 pm

1 stop21h 21m

Cincinnati Cinci./N. Kentucky

mar. 2/17

1:31 pm-6:51 am

2 stops18h 20m

$250

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

sáb. 3/7

1:58 pm-11:20 pm

1 stop8h 22m

Cincinnati Cinci./N. Kentucky

vie. 3/13

1:20 pm-6:50 pm

1 stop6h 30m

$259

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

mar. 2/10

2:15 pm-10:25 pm

2 stops7h 10m

Cincinnati Cinci./N. Kentucky

mar. 2/17

1:20 pm-8:00 pm

2 stops7h 40m

$268

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

sáb. 2/28

12:36 pm-9:25 pm

1 stop7h 49m

$80

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 15 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 January.
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 June is currently the most expensive (average of $312). 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.

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 enero 15, 2026.
See what other customers who have flown with Delta 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
8,051 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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
8,051 reviews
Delta
7.9
Good
8,051 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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
11,136 reviews
Delta
7.9
Good
8,051 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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 20h 21m. 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. An alternate airline flying to your destination would be Delta. These flights start at 46% 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 $82. 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 June is currently the most expensive (average of $312). 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
Covington
West Chester
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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from St. Louis to Cincinnati

Discover the top 2 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 enero 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$356FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$381FlexibilityNo cancel feeOn-timeN/A

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