Cheap Flights from San Diego to Ontario
Did You Know?
There are 48 carriers flying into Ontario.
The earliest flight from San Diego, CA leaves at 6:15 am.
Toronto, ON has the most direct flights to Ontario.
The most popular destination from San Diego, CA is Los Angeles International.
There are 28 connecting cities from San Diego, CA to Ontario.
Calgary, AB is the most popular connecting city from San Diego, CA to Ontario.
Cheap International Flights from San Diego - SAN
WestJet, US Airways, Delta, United, Alaska, Air Canada, American
Air Canada, WestJet, United
Alaska, United, Delta, US Airways, American, WestJet, Air Canada
Delta, WestJet, United, Air Canada
WestJet, Air Canada
Air Canada, United