Cheap flights from Ontario to San Diego (ONT - SAN)

Flight FAQs

From Ontario to San Diego

Which airlines flying from Ontario to San Diego have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Linear Air Taxi, and United Airlines flying from Ontario to San Diego have implemented new flexible cancellation policies.

Can I find flights from Ontario to San Diego for under $300 on Cheapflights?

Yes, there are multiple flights from Ontario to San Diego for under $300. The cheapest flight booked recently is on Frontier for just $202, but on average you can expect to pay $246.

Are there nonstop flights from Ontario to San Diego for under $2,800 on Cheapflights?

Cheapflights has at least 3 direct flights from Ontario to San Diego under $2,800. A good price for a nonstop flight from Ontario to San Diego is less than $2,871.

Are there last-minute flights available from Ontario to San Diego for under $300?

There are currently 15+ open flights from Ontario to San Diego within the next 7 days for less than $300.

What are the cheapest airlines to fly from Ontario to San Diego one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $90. Alaska Airlines flights start at $106 while deals on United Airlines start at $117 one-way.

What are the cheapest flights from Ontario to San Diego?

Looking for the cheapest flight from Ontario to San Diego? While on average our users pay $776, our data indicates the cheapest price to be $363. The most popular route (Ontario - San Diego), is priced around $206.

What are the most popular airlines that fly from Ontario to San Diego?

The most popular airlines flying from Ontario to San Diego are American Airlines, Linear Air Taxi and United Airlines. Something to consider prior to booking your flight.