CA $161 Cheap Flights from Cincinnati (CVG) to St. Louis (STL)

You can find cheap one-way flights from CA $161 and cheap return flights CA $407 CVG to STL with Expedia. One-way flights typically cost between CA$319 and CA$790. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when CVG to STL ticket fares go up or down.

August is typically the cheapest month to fly from Cincinnati - Northern Kentucky Intl. (CVG) to Lambert-St. Louis Intl. (STL), with average return fares around CA$371. August often sees lower prices as the peak summer travel season winds down, leading to reduced demand. January and February are also good months to find deals on this route.

Enter CVG to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) to St. Louis, MO (STL-Lambert-St. Louis 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.

The cheapest months to fly from Cincinnati - Northern Kentucky Intl. (CVG) to Lambert-St. Louis Intl. (STL) are typically August and January, with average return flights costing around CA$371. These months often offer a good balance of lower fares and availability, as they fall outside peak holiday travel periods, giving you more options for your trip.

There are approximately 53 connecting flights per day from Cincinnati - Northern Kentucky Intl. (CVG) to Lambert-St. Louis Intl. (STL). Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Baltimore Washington Intl. Thurgood Marshall (BWI).

The earliest flight from Cincinnati - Northern Kentucky Intl. (CVG) to Lambert-St. Louis Intl. (STL) typically departs at around 5:00 AM. This service is operated by American Airlines and is a seasonal offering, active in February, March, and November. An early departure like this can be great if you want to maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll find the most flights from Cincinnati - Northern Kentucky Intl. (CVG) to Lambert-St. Louis Intl. (STL) on Fridays, with around 47 flights available. This gives you a good selection of options if you're planning to travel at the end of the week. Major airlines on this route include American Airlines, Delta, and United. Fridays offer notably more flight options compared to other days of the week, making it a convenient day to fly.

The most popular departure times for flights from Cincinnati - Northern Kentucky Intl. (CVG) to Lambert-St. Louis Intl. (STL) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, Delta and United, offer flights during this window. Many travellers prefer these times because it allows them to arrive at their destination early, giving them a full day for business or leisure activities.

Flights from CVG to STL with one stop typically take around 6 hours, covering approximately 496 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

You can fly business class or first class between CVG and STL. You can fly business class with Frontier Airlines.

First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.

It's easy to earn miles on a Cincinnati, OH (CVG) to St. Louis, MO (STL) 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.

If you're planning to travel to St. Louis from Cincinnati - Northern Kentucky Intl. (CVG), you can fly directly into Lambert-St. Louis Intl. (STL). Some flights may connect through major hubs like Baltimore Washington Intl. Thurgood Marshall (BWI), O'Hare Intl. (ORD), or Nashville Intl. (BNA) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Cincinnati, OH (CVG) to St. Louis, MO (STL) 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.

Securing a Cincinnati, OH (CVG) to St. Louis, MO (STL) 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.

If you booked your Cincinnati, OH (CVG-Cincinnati - Northern Kentucky Intl.) to St. Louis, MO (STL-Lambert-St. Louis 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.