Cheap flights from Ontario to Cincinnati from $139

Travelers frequently search for route combinations, such as Ontario and Guadalajara, Dallas, Seattle, Las Vegas, San Francisco, Mexico City, Houston, Denver, Honolulu, Sacramento, Chicago, Portland, Washington, D.C., New York, Toronto, Orlando, Veracruz, Cancún, Atlanta, London.

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

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

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

Currently, you can fly between Ontario and Cincinnati with Frontier Airlines, United Airlines, Alaska Airlines, Allegiant Air, Volaris.

If you don’t have specific dates for your trip between Ontario and Cincinnati, 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 Ontario and Cincinnati, 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 Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Long Beach, Santa Barbara Municipal, McClellan–Palomar, Meadows Field

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