Cheap Flights from San Jose (SJC) to Ontario (ONO)

Popular airlines from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, OR (ONO-Ontario Municipal)

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Frequently asked questions

How much does a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, OR (ONO-Ontario Municipal) cost?
Snag a cheap one-way flight or cheap return flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, OR (ONO-Ontario Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, OR (ONO-Ontario Municipal)?
Flying in is a good way to save, as it's the cheapest month for flights between SJC and ONO. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, OR (ONO-Ontario Municipal)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SJC to ONO flight.
How many flights per day from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, OR (ONO-Ontario Municipal)?
Direct flights from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, OR (ONO-Ontario Municipal) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJC to ONO?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, OR (ONO-Ontario Municipal)?
Book a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, OR (ONO-Ontario Municipal) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Ontario from Norman Y. Mineta San Jose Intl. Airport (SJC)?
If you're traveling on a direct flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, Boise Airport (BOI) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, OR (ONO-Ontario Municipal) last-minute?
Last-minute bookings from SJC to ONO are typically more expensive. To lock in the best rates, start searching for flights ahead of time. That being said, if your travel plans are flexible, you may score a cheap ticket right before your trip.
Is it cheaper to book a SJC to ONO flight and hotel package?
Compared with arranging flights and hotels separately, booking a SJC to ONO flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Ontario, OR (ONO-Ontario Municipal)?
Usually, it's possible to reschedule or cancel your SJC to ONO flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Norman Y. Mineta San Jose Intl.
Destination airport
Ontario Municipal
Distance
532 mi

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San Jose to Ontario Flights

The cheapest times to fly from San Jose to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Jose to Ontario are during the month of . You can find some of the cheapest flights from San Jose to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Jose to Ontario

Sunday is one of the best days to book for cheap flights from San Jose to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Jose to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Jose to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Jose to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Jose to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Jose to Ontario Flights

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