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Cheap Flights from Ontario to San Diego - ONT to SAN (reverse)

Did You Know?

  • 102,673 seats are available per day to fly out of Ontario, CA connecting to San Diego, CA
  • Alaska has 7 one stop flights between Ontario, CA and San Diego, CA.
  • 107 flights per week fly out of Ontario, CA connecting to San Diego, CA
  • Southwest has the most one stop flights between Ontario, CA and San Diego, CA.
  • The shortest flight between Ontario, CA and San Diego, CA on American is 2,004 miles.
  • 8 airlines operate between Ontario, CA and San Diego, CA
  • The largest aircraft operated by United flying between Ontario, CA and San Diego, CA is a 757 with 182 seats.
  • Phoenix, AZ is the most popular connection for one stop flights between Ontario, CA and San Diego, CA.

Cheap Domestic Flights from Ontario - ONT

Flights
Airline
Lowest Price
American, US Airways, Alaska, United, Delta
$176
United, Alaska, US Airways
$136
Delta, US Airways, United, Alaska, American
$233
American, Alaska, United, Delta, US Airways
$236
Alaska, American, US Airways, Delta, United
$176
United, US Airways, American, AirTran
$296
Cheap Flights from Ontario to San Diego, Airfare Search for ONT to SAN, Airline One-Way and Roundtrip Schedules