Cheap flights from San Jose to Ontario from $243

Travelers frequently search for route combinations, such as San Jose and Los Angeles, Guadalajara, Las Vegas, San Diego, Honolulu, Morelia, Phoenix, Mexico City, Toronto, Tokyo, Burbank, Dallas, Edmonton, León, New York, Seattle, San Francisco, Vancouver, Washington, D.C., Puerto Escondido, Oaxaca.

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.

The main airport in San Jose is San Jose International. It is also served by San Francisco International, Oakland International, Sacramento International, San Jose International, Fresno Yosemite International, Stockton Metropolitan, Monterey Regional, Charles M. Schulz–Sonoma County, Merced Regional.

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 Jose and Ontario with Alaska Airlines, Frontier Airlines, Volaris, AeroMéxico, United Airlines.

If you don’t have specific dates for your trip between San Jose 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 Jose 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 Jose. The main one is San Jose International and other nearby airports include San Francisco International, Oakland International, Sacramento International, San Jose International, Fresno Yosemite International, Stockton Metropolitan, Monterey Regional, Charles M. Schulz–Sonoma County, Merced Regional

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.