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CA $205 Cheap Flights from St. Louis (STL) to Cincinnati (CVG)

View CA $205 flight on Thu, Aug 6, 2026Opens 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 $205 for one-way flights and CA $410 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Aug 6 - Mon, Aug 10
STL
St. Louis
CVG
Cincinnati
CA $410 Roundtrip, found 6 days ago
CA $410
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Aug 6 from St. Louis to Cincinnati, returning Mon, Aug 10, priced at CA $410 found 6 days ago
Delta
Thu, Aug 6 - Mon, Aug 10
STL
St. Louis
CVG
Cincinnati
CA $413 Roundtrip, found 6 days ago
CA $413
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 6 from St. Louis to Cincinnati, returning Mon, Aug 10, priced at CA $413 found 6 days ago
Delta
Thu, Aug 6 - Mon, Aug 10
STL
St. Louis
CVG
Cincinnati
CA $488 Roundtrip, found 6 days ago
CA $488
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 6 from St. Louis to Cincinnati, returning Mon, Aug 10, priced at CA $488 found 6 days ago
American Airlines
Thu, Aug 6 - Mon, Aug 10
STL
St. Louis
CVG
Cincinnati
CA $489 Roundtrip, found 6 days ago
CA $489
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Aug 6 from St. Louis to Cincinnati, returning Mon, Aug 10, priced at CA $489 found 6 days ago
Delta
Thu, Aug 6 - Mon, Aug 10
STL
St. Louis
CVG
Cincinnati
CA $493 Roundtrip, found 6 days ago
CA $493
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 6 from St. Louis to Cincinnati, returning Mon, Aug 10, priced at CA $493 found 6 days ago
American Airlines
Thu, Aug 6 - Mon, Aug 10
STL
St. Louis
CVG
Cincinnati
CA $498 Roundtrip, found 6 days ago
CA $498
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Aug 6 from St. Louis to Cincinnati, returning Mon, Aug 10, priced at CA $498 found 6 days ago
American Airlines
Thu, Aug 6 - Mon, Aug 10
STL
St. Louis
CVG
Cincinnati
CA $499 Roundtrip, found 6 days ago
CA $499
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Aug 6 from St. Louis to Cincinnati, returning Mon, Aug 10, priced at CA $499 found 6 days ago
Delta
Thu, Aug 6 - Mon, Aug 10
STL
St. Louis
CVG
Cincinnati
CA $501 Roundtrip, found 6 days ago
CA $501
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 6 from St. Louis to Cincinnati, returning Mon, Aug 10, priced at CA $501 found 6 days ago
Delta
Thu, Aug 6 - Mon, Aug 10
STL
St. Louis
CVG
Cincinnati
CA $502 Roundtrip, found 6 days ago
CA $502
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 6 from St. Louis to Cincinnati, returning Mon, Aug 10, priced at CA $502 found 6 days ago
Delta
Mon, Jul 27 - Sat, Aug 8
STL
St. Louis
CVG
Cincinnati
CA $520 Roundtrip, found 1 day ago
CA $520
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jul 27 from St. Louis to Cincinnati, returning Sat, Aug 8, priced at CA $520 found 1 day ago

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) cost?
You can find one-way and return flights from STL to CVG with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when STL to CVG ticket fares go up or down.
What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
The cheapest months to fly from STL to CVG are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
Enter STL to CVG and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
There are approximately 59 connecting flights per day from St. Louis Lambert International Airport (STL) to Cincinnati/Northern Kentucky International Airport (CVG). Some common connection points include O'Hare International Airport (ORD), Hartsfield-Jackson Atlanta International Airport (ATL), and Charlotte-Douglas International Airport (CLT).
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
The earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) typically departs around 5:00 AM local time. This flight is operated by American Airlines. This is a seasonal service, active in January and December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
You'll typically find the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) on a Friday, with around 44 flights available. This gives you plenty of options for your travel plans. Looking at the week, Friday offers notably more flight options compared to other days. Major airlines on this route include American Airlines, Southwest Airlines, and United.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
The most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, Delta and United, offer flights during this window. Many travelers prefer this because it allows for an early arrival at your destination, giving you a full day for business or leisure activities.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
There are no nonstop flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.). The distance between these two cities is approximately 496 kilometres. If you're looking for a flight, you'll typically find one-stop options that take around 4 hours. Flights with two or more stops usually take longer, averaging about 8 hours 30 minutes. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific routing and layover times.
Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
Yes, you can fly business class or first class between STL and CVG. You can fly business class with Frontier Airlines.First class cabins are available on Alaska Airlines, Delta, American Airlines, and United.
How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cincinnati, OH (CVG) from St. Louis, MO (STL)?
If you're planning to travel to Cincinnati from Lambert-St. Louis Intl. (STL), you can fly directly into Cincinnati - Northern Kentucky Intl. (CVG). Some flights may connect through major hubs like Quincy Regional-Baldwin Field (UIN), Charlotte-Douglas Intl. (CLT), or Hartsfield-Jackson Atlanta Intl. (ATL) before reaching Cincinnati. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Cincinnati - Northern Kentucky Intl.
Roundtrip price
CA $409
Distance
492 km

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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 CA $410 rising to CA $598.  

Here are more money-saving tips: 

  • Fly in August 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.

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