CA $209 Cheap Flights from St. Louis (STL) to Cincinnati (CVG)

View CA $209 flight on Fri, Aug. 29, 2025Opens in a new window

Popular airlines from Lambert-St. Louis International Airport (STL) to Cincinnati-Northern Kentucky Int'l Airport (CVG)

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Cheap flights from St. Louis (STL) to Cincinnati (CVG)

Prices were available within the past 7 days and start at CA $209 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from St. Louis (STL) to Cincinnati (CVG)

January is typically the cheapest month to fly

From CA $165 - CA $624 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Cincinnati (STL - CVG) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Cincinnati - Northern Kentucky Intl.
Distance
492 km

St. Louis to Florence Flights

The easy way to book your flights from St. Louis to Cincinnati 

With Expedia, it’s simple to find and book flights to Cincinnati from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Cincinnati - Northern Kentucky Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Cincinnati today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Cincinnati - Northern Kentucky Intl., CVG 

Sort your search results by price to find great deals on your flight from St. Louis to Cincinnati—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Cincinnati from St. Louis currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Cincinnati  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Cincinnati from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Cincinnati with Expedia today.

Frequently asked questions

How much is a flight from Lambert-St. Louis Intl. Airport (STL) to CVG Airport?
Start packing your bags, because round-trip flights from Lambert-St. Louis Intl. Airport (STL) to CVG start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STL to CVG Airport?
We understand that your situation can change unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to CVG Airport that have flexible change policies?
Plenty of carriers offer the option to move your flight without a change fee. All you pay is the cost difference between the two flights. When looking for Lambert-St. Louis Intl. Airport (STL) to CVG Airport flights, you'll see a "No change fees" filter for you to select.
How many hours is the flight from STL to CVG Airport?
Consider bringing your own entertainment (like some downloaded podcasts), as it takes an average of 4 hours and 43 minutes to arrive at CVG Airport from STL. A set of noise-cancelling headphones will be useful too.
How far is the flight from STL to CVG Airport?
It's just 500 kilometres between Lambert-St. Louis Intl. Airport (STL) and CVG Airport. Chances are you'll spend more time getting to and from the airport than actually flying!
Which airlines fly direct from Lambert Field to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Check out Delta (DL) if you want to travel directly from STL to CVG Airport. This top airline offers 0 monthly flights, so you're sure to find one that fits your schedule.
Are Lambert Field to Cincinnati - Northern Kentucky Intl. Airport (CVG) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally find a bargain, with some super cheap fares from Lambert-St. Louis Intl. Airport (STL) to Cincinnati - Northern Kentucky Intl. Airport (CVG) appearing a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines publish prices that far in advance.

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