£9,069 Cheap Flights from St. Louis (STL) to Cincinnati (CVG)

View £9,069 flight on Tue, 9 Dec 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 £9,069 for one-way flights and £784 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 16 Aug - Sun, 17 Aug
STL
St. Louis
CVG
Cincinnati
£784 Return, found 2 days ago
£784
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 16 Aug from St. Louis to Cincinnati, returning Sun, 17 Aug, priced at £784 found 2 days ago
Alaska Airlines
Sat, 16 Aug - Sun, 17 Aug
STL
St. Louis
CVG
Cincinnati
£788 Return, found 2 days ago
£788
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 16 Aug from St. Louis to Cincinnati, returning Sun, 17 Aug, priced at £788 found 2 days ago
Alaska Airlines
Sat, 16 Aug - Sun, 17 Aug
STL
St. Louis
CVG
Cincinnati
£804 Return, found 2 days ago
£804
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 16 Aug from St. Louis to Cincinnati, returning Sun, 17 Aug, priced at £804 found 2 days ago

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

January is typically the cheapest month to fly

From £90 - £339 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Cincinnati route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Cincinnati - Northern Kentucky Intl.
Return price
£784
Distance
492 km

Compare flights from St. Louis to Cincinnati easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Cincinnati. Operating between them flights per day, 4 airlines cover the route. And fly direct, getting you to Cincinnati - Northern Kentucky Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to Cincinnati - Northern Kentucky Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to Cincinnati - Northern Kentucky Intl. (CVG)

The easiest way to view the best deals on flights from St. Louis to Cincinnati today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to Cincinnati - Northern Kentucky Intl. start at just £784 and range up to £9,069.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near St. Louis and Cincinnati
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your St. Louis to Cincinnati flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to Cincinnati - Northern Kentucky Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from St. Louis Lambert International Airport to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
The lowest price advertised for a round-trip flight from Lambert Field to CVG is £784. But you better act fast. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to CVG?
Most flights can be cancelled online, but each airline has different terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Lambert Field to Cincinnati - Northern Kentucky Intl. Airport (CVG) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for STL to Cincinnati - Northern Kentucky Intl. Airport (CVG) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Lambert-St. Louis Intl. Airport (STL) to CVG Airport?
A flight distance of just 500 kilometres separates St. Louis and Florence. Once you're in the air, you won't get a chance to do much more than browse the magazine in your seat-back pocket.
Which airlines fly direct from St. Louis Lambert International Airport to CVG Airport?
There are no direct flights, so you'll need to make at least one stop between St. Louis Lambert International Airport and Cincinnati - Northern Kentucky Intl. Airport (CVG). Make the most of the layover time to stretch your legs and take a break.
Are St. Louis Lambert International Airport to CVG flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up great last-minute deals from Lambert Field to Cincinnati - Northern Kentucky Intl. Airport (CVG), but there's no guarantee. As many airlines publish prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares carrier prices and updates flight deals regularly, so you can rest easy knowing you're always getting the latest offers.

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