Cheap flights from Cincinnati to St. Louis from $75

Travelers frequently search for route combinations, such as Cincinnati and Orlando, Fort Lauderdale, New York, Tampa, Las Vegas, Cancún, Dallas, Miami, San José, Phoenix, Mexico City, Denver, Medellín, Charleston, Houston, Los Angeles, Paris, San Francisco, Lima, Atlanta.

Travelers frequently search for route combinations, such as St. Louis and Denver, Orlando, Las Vegas, Los Angeles, London, Dallas, Fort Lauderdale, Bogotá, Mexico City, Tokyo, Frankfurt, Cebu, San Francisco, Athens, Amsterdam, Naples, Cancún, Portland, Washington, D.C., San Diego.

Cincinnati is mainly served by Cincinnati/Northern Kentucky International. But there are other airports nearby, including Cincinnati Municipal Lunken.

The main airport in Cincinnati is Cincinnati/Northern Kentucky International. It is also served by Indianapolis International, John Glenn Columbus International, Louisville International, Rickenbacker International, Blue Grass, Dayton International, Fort Wayne International, Tri-State.

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, MidAmerica St. Louis, General Wayne A. Downing Peoria International, Columbia Regional, Abraham Lincoln Capital, Evansville Regional, Central Illinois Regional, Quincy Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional.

Currently, you can fly between Cincinnati and St. Louis with United Airlines, Frontier Airlines, Allegiant Air, Air Canada, WestJet.

If you don’t have specific dates for your trip between Cincinnati and St. Louis, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Cincinnati and St. Louis, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Cincinnati. The main one is Cincinnati/Northern Kentucky International and other nearby airports include Indianapolis International, John Glenn Columbus International, Louisville International, Rickenbacker International, Blue Grass, Dayton International, Fort Wayne International, Tri-State