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$83+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CVG
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Expedia deal was found by Cheapflights users on 3/6. 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.
Wed 3/254:51 pm
STL
-
CVG
1 stop6h 50m
Frontier
Mon 3/303:57 pm
CVG
-
STL
1 stop8h 22m
Frontier
Deal found 3/6$189
This Priceline deal was found by Cheapflights users on 3/9. 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.
Thu 4/3011:21 am
STL
-
CVG
1 stop5h 44m
Frontier
Sat 5/24:26 pm
CVG
-
STL
1 stop7h 53m
Frontier
Deal found 3/9$202
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/248:23 pm
STL
-
CVG
2 stops16h 21m
Frontier
Sun 4/266:53 pm
CVG
-
STL
1 stop12h 57m
Frontier
Deal found 3/6$215
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Sun 4/194:59 pm
STL
-
CVG
2 stops24h 37m
Frontier
Sun 4/266:53 pm
CVG
-
STL
1 stop12h 57m
Frontier
Deal found 3/5$226
This Frontier deal was found by Cheapflights users on 3/8. 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 4/178:39 am
STL
-
CVG
1 stop9h 44m
Frontier
Mon 4/205:20 pm
CVG
-
STL
1 stop6h 59m
Frontier
Deal found 3/8$235
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/208:17 pm
STL
-
CVG
2 stops12h 05m
Frontier
Thu 4/236:44 pm
CVG
-
STL
1 stop13h 06m
Frontier
Deal found 3/9$245
This Expedia deal was found by Cheapflights users on 3/7. 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.
Fri 3/278:12 pm
STL
-
CVG
1 stop18h 09m
Frontier
Mon 3/303:57 pm
CVG
-
STL
1 stop8h 22m
Frontier
Deal found 3/7$254

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(Expedia)

One-way from

$83
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$344
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. 9% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 10, 2026.
Use the filters below to find and compare flights from St. Louis to Cincinnati that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 4/17

8:39 am-7:23 pm

1 stop9h 44m

Cincinnati Cinci./N. Kentucky

Mon 4/20

5:20 pm-11:19 pm

1 stop6h 59m

$235

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 3/25

4:51 pm-7:23 am

1 stop13h 32m

Cincinnati Cinci./N. Kentucky

Mon 3/30

3:57 pm-10:32 am

2 stops19h 35m

$249

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 5/20

5:35 am-12:40 pm

2 stops6h 05m

Cincinnati Cinci./N. Kentucky

Fri 5/22

8:20 pm-10:45 pm

1 stop3h 25m

$306

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 4/20

1:45 pm-9:50 pm

2 stops7h 05m

Cincinnati Cinci./N. Kentucky

Thu 4/23

5:45 am-2:55 pm

2 stops10h 10m

$311

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 6/4

4:25 pm-12:20 am

2 stops6h 55m

Cincinnati Cinci./N. Kentucky

Sat 6/6

12:45 pm-8:00 pm

1 stop8h 15m

$314

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 4/2

2:35 pm-12:20 am

2 stops8h 45m

Cincinnati Cinci./N. Kentucky

Thu 4/9

6:50 pm-11:15 pm

1 stop5h 25m

$326
Quickest round-trip

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 4/24

6:50 pm-12:11 am

1 stop4h 21m

Cincinnati Cinci./N. Kentucky

Sun 4/26

5:35 am-8:30 am

1 stop3h 55m

$327

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 4/1

9:37 am-5:25 pm

1 stop6h 48m

Cincinnati Cinci./N. Kentucky

Sun 4/5

5:00 am-10:03 am

1 stop6h 03m

$329

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 9/4

5:32 pm-11:57 pm

1 stop5h 25m

Cincinnati Cinci./N. Kentucky

Mon 9/7

7:00 am-12:13 pm

1 stop6h 13m

$347

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 4/24

2:10 pm-11:25 pm

2 stops8h 15m

Cincinnati Cinci./N. Kentucky

Sun 4/26

5:50 am-2:35 pm

2 stops9h 45m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 20 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Cincinnati flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $160). 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 March 10, 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
8,276 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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
8,276 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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
7.1
Good
11,414 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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.

  • What airports do I use to fly from St. Louis to Cincinnati?

    Cincinnati Cinci./N. Kentucky is the airport most travelers will use when flying to Cincinnati from Lambert-St Louis. Booking flights from Lambert-St Louis (STL) to Cinci./N. Kentucky (CVG) should be relatively easy as there is 1 daily flight to Cincinnati from 2 different airlines. 3h 47m is how long a flight from St. Louis to Cincinnati Cinci./N. Kentucky will take if you book a nonstop flight.

  • How long is the flight from St. Louis to Cincinnati?

    Frontier and Southwest can get you from St. Louis to Cincinnati in just under 6h 05m. Your travel time can differ by up to 3h 39m. Airlines will cover a distance of 307 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 41% 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 $94. American Airlines flights start at $98 while deals on Delta start at $193 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 $160). 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
Florence
Newport
Sharonville
Mason
Covington
Blue Ash
Williamstown
Hebron
West Chester
Sparta
Middletown
Edgewood
Oxford
Dry Ridge

Browse thousands of different options on Cheapflights for your next trip

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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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$329FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$381FlexibilityNo cancel feeOn-timeN/A

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