Cheap Flights from SJC to ONT: When to Fly from San Jose to Ontario

 

The cheapest times to fly from SJC to ONT are

• January 1st to March 4th
• August 6th to November 18th
• December 3rd to December 16th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SJC to ONT is early September. Prices can be as high as $1372 for Sunday flights during mid May, or as low as $174 for Tuesday flights around early September.

 

When to Fly to Ontario

Flying from San Jose, CA (SJC) to Ontario, CA (ONT) will usually cost between $174 to $555 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $205. Due to high demand the most expensive time to fly is mid May, with an average price of $571. Planning your trip to low-cost times can easily save you $367 on economy flights and even more on first-class flights. Generally, any price below $292 can be considered a good price for a round-trip SJC to ONT flight.

See below for a graph of average weekly prices for the SJC to ONT route. All prices are for round-trip tickets in USD.

Compared to other flights, the SJC to ONT flight is much cheaper than the average and costs much less than the average flight leaving from San Jose. The average price per mile (for a direct flight) is $0.54, which is above average.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $163 (39%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $247. Return trip prices are from the ONT to SJC flight, and often highlight the quality of our data in showing the same trend.

 

Nonstop Flights and Layovers

Travelers looking to fly from SJC to ONT can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 35 minutes may be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SJC to ONT while comparing.

 

Flight Questions Answered

Still have questions about flying from SJC to ONT? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Alaska, American, Delta, Frontier, Southwest, United, and potentially more during busy seasons.

How far away is it from Ontario International Airport to Norman Y. Mineta San Jose International Airport?

The distance between the two airports is roughly 333 miles or 536 kilometers.

How long does it take to fly from SJC to ONT?

The real-world flight time for a nonstop SJC to ONT flight is about 1 hour 35 minutes.

How many flights go between San Jose, CA and Ontario, CA?

It depends on the day of the week and the date, but a typical day might have around 71 available flights from SJC to ONT.

 

Airport Location Info

 

 

Late and Early Flight Data

Flights from SJC to ONT tend to depart as late as the average flight. According to our recently updated data, 28% of flights departed 5 or more minutes late, and 16% of flights left 5 or more minutes early. On average you can expect to leave ONT heading for SJC about 7 minutes late. This does significantly impact arrival time, as the average landing time in Ontario, CA is about 2 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

• Southwest: 7 minutes late
• Some airlines not reporting

 

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.