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Cheap Flights from Ontario to San Jose $532.78

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Cheapest Flights from Ontario to San Jose (ONT to SJO)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Ontario to San Jose (ONT to SJO)

Question : What is the cheapest day to fly in the next four weeks?
Answer : Since low prices are preferred, look at February 12th. As of January 16th, the cheapest ticket sales are coming in 28% below the average price for this route, so you can spend that extra money on an adventure rather than the flight.

Question : Is there another local airport that can get you to San Jose?
Answer : John Wayne Airport (SNA) is just 30 miles away, and, on average, flights are 18% cheaper for the upcoming months. Save now and put it toward your next adventure.

Question : How long do most people stay in San Jose when they fly in from Ontario?
Answer : Over the next two months, passengers from ONT to SJO are planning on staying for nine days on average.

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : For the month of February, the cheapest day to fly is Thursday. Being flexible with your travel days garners you even more savings during your booking.

Question : How often is the price changing when booking a trip from LA/Ontario International Airport (ONT) to Juan Santamaria International Airport (SJO)?
Answer : Prices for this trip tend to fluctuate a lot more than others. Prices tend to be lower the further out you book.