Cheap flights from Ontario to Louisville from $246

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 Louisville and Fort Lauderdale, San Francisco, Orlando, Fort Myers, Los Angeles, Raleigh, Paris, Buenos Aires, Amsterdam, Cancún, Las Vegas, Charleston, Phoenix, Guatemala City, Denver, Tampa, New York, West Palm Beach, Eugene, Panama City.

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

The main airport in Louisville is Louisville International. It is also served by Cincinnati/Northern Kentucky International, Indianapolis International, Louisville International, Dayton International, Blue Grass, Evansville Regional, Owensboro–Daviess County Regional.

Currently, you can fly between Ontario and Louisville with Frontier Airlines, BREEZE, United Airlines, WestJet, JetBlue Airways.

If you don’t have specific dates for your trip between Ontario and Louisville, 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 Louisville, 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, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, Imperial County, McClellan–Palomar

There are a number of airports in and around Louisville. The main one is Louisville International and other nearby airports include Cincinnati/Northern Kentucky International, Indianapolis International, Louisville International, Dayton International, Blue Grass, Evansville Regional, Owensboro–Daviess County Regional.