Ontario International Airport is an international airport 2 mi east of downtown Ontario, in San Bernardino County, California, United States, about 38 mi east of downtown Los Angeles and 18 mi west of downtown San Bernardino. It is owned and operated under a joint-powers agreement with the city of Ontario and San Bernardino County.
Location: Ontario, California, U.S.
Opened: 1923
Airport type: Public
Owner/Operator: Ontario International Airport Authority
AdBest Flight Deals? Exclusive Fares on 2025 Spring Break and Winter Flights. Book Now. Cheapest Flight Deals? Last Minute Price Drops on Intl. & Domestic Airfare. Compare Today!