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Cheap Flights from Ontario to San Jose $374.82

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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 : Looking for the cheapest flight over the next 30 days?
Answer : As of December 5th, the cheapest day to fly from Ontario to San Jose is December 15th. Tickets have been sold for 25% below the average price for this route.

Question : Is there another local airport that can get you to San Jose?
Answer : Luckily for you, there is another airport nearby. John Wayne Airport (SNA) is 30 miles away, and over the upcoming two months, flights are 15% cheaper than those from LA/Ontario International Airport.

Question : Do travelers from Ontario typically stay in San Jose for very long?
Answer : Over the next two months, travelers from ONT to SJO are planning on staying for 11 days on average.

Question : Would you be willing to change your travel days if it saved you money?
Answer : The cheapest day to fly in December is Saturday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.

Question : How often are prices changing for this route?
Answer : Prices for ONT to SJO do change a lot more than most routes. Remember, the sooner you book, the more you're able to save.