Cheap flights from Ontario to San Antonio from $61

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 San Antonio and Mexico City, Orlando, Los Angeles, Las Vegas, Guadalajara, Denver, Monterrey, Cancún, Washington, D.C., Bangkok, Puerto Vallarta, Dallas, Mérida, Paris, Tampa, Manila, Toronto, Lima, La Paz, Santiago de Querétaro.

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

The main airport in San Antonio is San Antonio International. It is also served by Austin–Bergstrom International, San Antonio International, Nuevo Laredo International, Piedras Negras International, Killeen–Fort Hood Regional, Laredo International, Corpus Christi International, Victoria Regional, Easterwood.

Currently, you can fly between Ontario and San Antonio with Frontier Airlines, United Airlines, Spirit Airlines, Volaris, VivaAerobus.

If you don’t have specific dates for your trip between Ontario and San Antonio, 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 San Antonio, 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 Los Angeles International, Tijuana International, San Diego International, Ontario International, John Wayne, Palm Springs International, Hollywood Burbank, Santa Barbara Municipal, Imperial County, McClellan–Palomar

There are a number of airports in and around San Antonio. The main one is San Antonio International and other nearby airports include Austin–Bergstrom International, San Antonio International, Nuevo Laredo International, Piedras Negras International, Killeen–Fort Hood Regional, Laredo International, Corpus Christi International, Victoria Regional, Easterwood.