Planning a flight from San Diego to Ontario?

Flight prices from San Diego to Ontario change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Exploring all airports near San Diego and Ontario

Checking all the airports available in the area can give you more departure and arrival options for your trip.

• Airports in San Diego: One more option exists beyond San Diego - International, McClellan-Palomar.
• Airports in Ontario: Ontario is the only option available right now.

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

Plan your perfect flight from San Diego to Ontario

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers like Delta, United, American, and more.

Other popular destinations

Planning a trip to United States? Other frequent searches include: Atlanta, Los Angeles, Miami, New York City, Orlando.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.