Cheap flights from Cincinnati to Ontario from $138

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 Ontario and San Francisco, Las Vegas, Dallas, Guadalajara, Seattle, Sacramento, Houston, Portland, Denver, Atlanta, Chicago, New York, Los Angeles, Mexico City, Washington, D.C., Rome, Orlando, St. Louis, Columbus, Fargo.

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, Dayton International, Blue Grass, Rickenbacker International, Fort Wayne International, Tri-State.

The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, Ontario International, John Wayne, Palm Springs International, Hollywood Burbank, Santa Barbara Municipal, Long Beach, McClellan–Palomar, Imperial County.

Currently, you can fly between Cincinnati and Ontario with Frontier Airlines, United Airlines, Alaska Airlines, BREEZE.

If you don’t have specific dates for your trip between Cincinnati and Ontario, 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 Ontario, 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, Dayton International, Blue Grass, Rickenbacker International, Fort Wayne International, Tri-State