Cheap flights from Los Angeles to Ontario from $55

Travelers frequently search for route combinations, such as Los Angeles and Guadalajara, Mexico City, Calgary, New York, Vancouver, San Francisco, Cancún, San Jose, Las Vegas, Toronto, Barcelona, Guatemala City, Edmonton, Tokyo, Honolulu, Puerto Vallarta, Seattle, Dallas, San José del Cabo, 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, Mexico City, Washington, D.C., Rome, Orlando, St. Louis, Columbus, Fargo, Raleigh.

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

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, Santa Barbara Municipal, Long Beach, McClellan–Palomar, Imperial County.

Currently, you can fly between Los Angeles and Ontario with Frontier Airlines, Volaris, United Airlines, Alaska Airlines, VivaAerobus.

If you don’t have specific dates for your trip between Los Angeles 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 Los Angeles 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 Los Angeles. The main one is Los Angeles International and other nearby airports include Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, Santa Maria Public, McClellan–Palomar

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, Santa Barbara Municipal, Long Beach, McClellan–Palomar, Imperial County.