US$558 Cheap Flights from San Jose to Ontario (SJI-ONT)

Cheap Flights from San Jose to Ontario

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Cheap Flights from San Jose to Ontario starting at US$558

Whether you’re going for a one-way or round-trip to Ontario, we’ve got you covered! Check out these different flight options from San Jose below.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from San Jose to Ontario

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Ontario from San Jose have changed and are set to move below.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Cheapest Airlines flying from San Jose to Ontario

We have a range of prices from different airlines providing flights from San Jose to Ontario. Check below for the journey which best suits your travel needs.

Cebgo

From US$558

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Alternative Routes from San Jose to Ontario

There are various non-direct routes from San Jose to Ontario which could be cheaper and faster! Check out these alternative options to see if they could work for your trip.

Cheapest
SJI
08:10
24h 40m
2 transfer
ONT
16:50
San Jose Airport Mindoro - Ontario International Airport
Tue, Feb 4Cebgo
US$558
SJI
08:10
24h 40m
2 transfer
ONT
16:50
San Jose Airport Mindoro - Ontario International Airport
Tue, Feb 4Cebgo
US$558
Find More Flights

Frequently Asked Questions

When to buy flight tickets from San Jose (SJI) to Ontario (ONT) the cheapest?
Airlines adjust prices for flights from San Jose to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from San Jose (SJI) to Ontario (ONT) cost?
According to Trip.com's data, the lowest price is around US$584.

How to find a cheap flight from San Jose to Ontario

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com