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$97+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CVG
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$190
(Booking.com)

One-way from

$97
(Mytrip)

Popular in

February

Cheapest in

July

Average price

$439
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. 16% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 26, 2025.

This Booking.com deal was found by Cheapflights users on 3/25. 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 4/225:41 pmSTL - CVG
1 stop16h 52mFrontier
Tue 4/2912:54 pmCVG - STL
1 stop12h 10mFrontier
Deal found 3/25$190
This Delta deal was found by Cheapflights users on 3/25. 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.
Tue 4/1510:42 amSTL - CVG
1 stop5h 29mDelta
Wed 4/1612:56 pmCVG - STL
1 stop6h 06mDelta
Deal found 3/25$217
This Southwest deal was found by Cheapflights users on 3/25. 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.
Tue 4/156:25 amSTL - CVG
1 stop6h 15mSouthwest
Wed 4/161:10 pmCVG - STL
2 stops7h 45mSouthwest
Deal found 3/25$222
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Mon 8/253:20 pmSTL - CVG
1 stop3h 57mUnited Airlines
Thu 8/287:25 amCVG - STL
1 stop6h 00mUnited Airlines
Deal found 3/25$307
This Mytrip deal was found by Cheapflights users on 3/25. 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 5/48:00 amSTL - CVG
1 stop10h 22mMultiple Airlines
Sun 5/114:45 pmCVG - STL
3 stops26h 56mMultiple Airlines
Deal found 3/25$337

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 26, 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 4/22

5:41 pm-11:33 am

1 stop16h 52m

Cincinnati Cinci./N. Kentucky

Tue 4/29

12:54 pm-12:04 am

1 stop12h 10m

$190

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 4/15

10:42 am-5:11 pm

1 stop5h 29m

Cincinnati Cinci./N. Kentucky

Wed 4/16

12:56 pm-6:02 pm

1 stop6h 06m

$217

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 4/15

6:25 am-1:40 pm

1 stop6h 15m

Cincinnati Cinci./N. Kentucky

Wed 4/16

1:10 pm-7:55 pm

2 stops7h 45m

$222

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sun 5/4

8:00 am-7:22 pm

1 stop10h 22m

Cincinnati Cinci./N. Kentucky

Sun 5/11

4:45 pm-6:41 pm

3 stops26h 56m

$337

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 4/22

5:35 pm-11:37 pm

1 stop5h 02m

Cincinnati Cinci./N. Kentucky

Tue 4/29

7:45 pm-3:47 pm

3 stops21h 02m

$382

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 5/15

10:10 am-8:14 pm

1 stop9h 04m

$97

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 6/2

2:27 pm-12:55 am

1 stop9h 28m

$109

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sun 6/1

7:30 pm-12:29 am

1 stop3h 59m

$154

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 6/2

5:35 am-4:05 pm

2 stops9h 30m

$174

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 5/30

5:00 am-5:25 pm

2 stops11h 25m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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, August is the cheapest month in which you can book a flight from St. Louis to Cincinnati (average of $239). Flying from St. Louis to Cincinnati in March is currently the most expensive (average of $292). 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 March 26, 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 29% versus a flight in the morning.

Rainfall in Cincinnati by month

Plan your trip to Cincinnati by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cincinnati ranges from 2.8 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. September is typically the driest time to visit Cincinnati when rainfall is around 2.8 in.

Temperature in Cincinnati by month

Plan your trip to Cincinnati by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cincinnati, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 26, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from St. Louis to Cincinnati to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
6.0
Okay
3,272 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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

    Frontier, at $190, was found to be the cheapest airline from St. Louis to Cincinnati.Alternate airlines to your destination round-trip include Delta and Southwest. 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 $109. American Airlines flights start at $154 while deals on Southwest start at $174 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, August is the cheapest month in which you can book a flight from St. Louis to Cincinnati (average of $239). Flying from St. Louis to Cincinnati in March is currently the most expensive (average of $292). 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 St. Louis?

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

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Top 4 airlines flying from St. Louis to Cincinnati

Discover the top 4 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$218FlexibilityNo cancel feeOn-time62%
DeltaCheapest$200Average$285FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$246Average$356FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$261Average$436FlexibilityNo cancel feeOn-time69%
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