Cheap Flights from San Diego to Ontario
Popular Flights from San Diego to Ontario
- Airfare from San Diego to Toronto from $407 round trip
- Airfare from San Diego to Ottawa from $436 round trip
- Airfare from San Diego to London from $544 round trip
- Airfare from San Diego to Thunder Bay from $590 round trip
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.
