Cheap flights from San José to Ontario from $355

Travelers frequently search for route combinations, such as San José and Los Angeles, New York, Washington, D.C., Atlanta, Charlotte, San Francisco, Orlando, Fort Lauderdale, Boston, Raleigh, Cincinnati, Tampa, Chicago, San Juan, Dallas, Denver, Miami, Portland, Seattle, Asheville.

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.

San José is mainly served by Juan Santamaría International. But there are other airports nearby, including Tobías Bolaños International.

The main airport in San José is Juan Santamaría International. It is also served by Daniel Oduber Quirós International, Quepos La Managua, Limón International, Fortuna Arenal, Tortuguero.

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.

Currently, you can fly between San José and Ontario with Volaris, Frontier Airlines, Avianca, United Airlines, Copa Airlines.

If you don’t have specific dates for your trip between San José 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 San José 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 San José. The main one is Juan Santamaría International and other nearby airports include Daniel Oduber Quirós International, Quepos La Managua, Limón International, Fortuna Arenal, Tortuguero