Cheap flights from San Juan, United States to Ontario, CA

Travelers frequently search for route combinations, such as San Juan and Orlando, Philadelphia, New York, Atlanta, Chicago, Denver, Raleigh, Saint Croix, Cincinnati, Fort Lauderdale, Santiago de los Caballeros, Washington, D.C., Guadalajara, Charlotte, Minneapolis, Dallas, Cleveland, Madrid, Barcelona, Boston.

Travelers frequently search for route combinations, such as Ontario and Denver, Orlando, Austin, Atlanta, Sacramento, Seattle, San Francisco, Washington, D.C., San Jose, San Antonio, Raleigh, Phoenix, Charlotte, Portland, Detroit, Philadelphia, Las Vegas, Oakland, Nashville, Chicago.

San Juan is mainly served by Luis Muñoz Marín International. But there are other airports nearby, including Fernando Luis Ribas Dominicci.

The main airport in San Juan is Luis Muñoz Marín International. It is also served by Aguadilla Rafael Hernandez, José Aponte de la Torre, Eugenio María de Hostos, Mercedita.

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, Imperial County, Santa Barbara Municipal, Long Beach, Meadows Field.

Yes, it's possible to combine different modes of transport between San Juan and Ontario thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between San Juan and Ontario can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Currently, you can fly between San Juan and Ontario with Frontier Airlines, Spirit Airlines, JetBlue Airways, United Airlines, Alaska Airlines.

If you don’t have specific dates for your trip between San Juan 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.