Cheap flights from Cincinnati, OH to Ontario, CA

Travelers frequently search for route combinations, such as Cincinnati and London, San Francisco, Manchester, Los Angeles, Las Vegas, New York, Austin, San Juan, Washington, D.C., Fort Lauderdale, San Jose, Seattle, Orlando, Mumbai, San Diego, Guayaquil, Belfast, Denver, Santo Domingo, Chicago.

Travelers frequently search for route combinations, such as Ontario and London, New York, Bangkok, San Francisco, Denver, Sacramento, Taipei, Manila, Toronto, Calgary, Seattle, Las Vegas, San Jose, Orlando, Houston, Macau, Los Angeles, Washington, D.C., Guadalajara, Detroit.

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

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, Long Beach, Santa Barbara Municipal, Meadows Field, Imperial County.

Yes, it's possible to combine different modes of transport between Cincinnati and Ontario thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Cincinnati and Ontario can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

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

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.