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$91+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CVG
Apr 30 — May 71
Wed 4/30
Wed 5/7
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 April 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$170
(Frontier)

One-way from

$91
(American Airlines)

Popular in

February

Cheapest in

July

Average price

$356
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. 15% potential increase in price ($64 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 April 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 April 25, 2025.

This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/95:55 pmSTL - CVG
1 stop6h 04mFrontier
Fri 5/1612:57 pmCVG - STL
1 stop12h 17mFrontier
Deal found 4/25$170
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/196:00 amSTL - CVG
1 stop9h 16mAmerican Airlines
Wed 5/218:30 amCVG - STL
1 stop7h 51mAmerican Airlines
Deal found 4/24$171
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 6/76:00 amSTL - CVG
1 stop4h 06mDelta
Sun 6/86:00 amCVG - STL
1 stop4h 37mDelta
Deal found 4/25$279
This Southwest deal was found by Cheapflights users on 4/25. 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.
Thu 5/225:35 amSTL - CVG
2 stops6h 00mSouthwest
Sun 5/256:50 amCVG - STL
1 stop4h 35mSouthwest
Deal found 4/25$323
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Sat 6/710:10 amSTL - CVG
1 stop8h 30mMultiple Airlines
Sun 6/87:24 pmCVG - STL
3 stops41h 21mMultiple Airlines
Deal found 4/25$399
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Sat 5/103:43 pmSTL - CVG
1 stop5h 23mUnited Airlines
Wed 5/149:00 amCVG - STL
1 stop6h 47mUnited Airlines
Deal found 4/25$447

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 April 25, 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

Fri 5/9

5:55 pm-12:59 am

1 stop6h 04m

Cincinnati Cinci./N. Kentucky

Fri 5/16

12:57 pm-12:14 am

1 stop12h 17m

$170

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 5/19

6:00 am-4:16 pm

1 stop9h 16m

Cincinnati Cinci./N. Kentucky

Wed 5/21

8:30 am-3:21 pm

1 stop7h 51m

$171

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 6/7

6:00 am-11:06 am

1 stop4h 06m

Cincinnati Cinci./N. Kentucky

Sun 6/8

6:00 am-9:37 am

1 stop4h 37m

$279

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 5/22

5:35 am-12:35 pm

2 stops6h 00m

Cincinnati Cinci./N. Kentucky

Sun 5/25

6:50 am-10:25 am

1 stop4h 35m

$323

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 6/7

10:10 am-7:40 pm

1 stop8h 30m

Cincinnati Cinci./N. Kentucky

Sun 6/8

7:24 pm-11:45 am

3 stops41h 21m

$399

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 5/10

3:43 pm-10:06 pm

1 stop5h 23m

Cincinnati Cinci./N. Kentucky

Wed 5/14

9:00 am-2:47 pm

1 stop6h 47m

$447

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 5/26

6:00 am-4:16 pm

1 stop9h 16m

$91

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 5/14

5:45 pm-11:36 am

1 stop16h 51m

$100

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 7/15

5:45 pm-10:31 pm

1 stop3h 46m

$126

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 7/16

5:25 am-12:20 pm

2 stops5h 55m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 12 results
1
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 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, 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 April 25, 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 April 25, 2025.
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,289 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,685 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Frontier
6.0
Okay
3,284 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 $170, was found to be the cheapest airline from St. Louis to Cincinnati.Alternate airlines to your destination round-trip include American Airlines and Delta. These flights start at 52% 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 American Airlines, which is currently one of the cheapest options available, starting at $91. Frontier flights start at $100 while deals on Delta start at $126 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
Newport
West Chester
Lawrenceburg
Hebron
Fairfield
Blue Ash
Williamstown
Covington
Middletown
Sparta
Oxford
Dry Ridge
Edgewood

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Top 5 airlines flying from St. Louis to Cincinnati

Discover the top 5 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$205FlexibilityNo cancel feeOn-time62%
DeltaCheapest$200Average$285FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$241Average$356FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$261Average$392FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$326Average$401FlexibilityNo cancel feeOn-time63%

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