Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Flights
Hotels
1 traveler
Unsupported Browser!
Find Flights

Cheap Flights from Ontario to San Diego, CA, United States - ONT to SAN

How Much Does it Cost to Fly from Ontario to San Diego (ONT to SAN)?

We have collected flight cost data from across the web for travel from Ontario to San Diego, and have found the average flight price for this trip to be $885.

When Can I Buy the Cheapest Flight from Ontario to San Diego (ONT to SAN)?

Airlines can adjust prices for plane tickets from Ontario to San Diego based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Airports for Your Route

These pages contain information about the major airports in Ontario and San Diego, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights to San Diego - SAN

Cheap International Flights to San Diego - SAN

FlightsAirlineLowest Price
Mexicali to San Diego American, AeroMexico, Alaska, United Check Dates
Los Angeles to Tijuana Interjet, American, AeroMexico, Alaska, United, Virgin America, Volaris $427
Las Vegas to Tijuana American, AeroMexico, Alaska, United $610
San Diego to Tijuana Interjet, American, AeroMexico, Alaska, United, VivaAerobus, Volaris $763
Cheap Flights from Ontario to San Diego, CA, Airfare Search for ONT to SAN, Airline One-Way and Roundtrip Schedules