ont-to-sjc

 

The cheapest times to fly from ONT to SJC are

  • August 6th to November 18th
  • December 24th to March 11th (except the week of February 26th)

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 ONT to SJC is early September. Prices can be as high as $1357 for Sunday flights during late July, or as low as $174 for Tuesday flights around early September.

 

When to Fly to San Jose

Flying from Ontario, CA (ONT) to San Jose, CA (SJC) will usually cost between $174 to $550 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 $209. Due to high demand the most expensive time to fly is late July, with an average price of $580. Planning your trip to low-cost times can easily save you $371 on economy flights and even more on first-class flights. Generally, any price below $304 can be considered a good price for a round-trip ONT to SJC flight.

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

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ONT to SJC Flight Prices

Compared to other flights, the ONT to SJC flight is much cheaper than the average and costs much less than the average flight leaving from Ontario. The average price per mile (for a direct flight) is $0.57, 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 $246. Return trip prices are from the SJC to ONT flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from ONT to SJC 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 ONT to SJC while comparing.

Destination alternative #1: San Francisco International Airport (SFO) in San Francisco, CA

  • 30 miles (48 km) away from SJC
  • Usually 23.36% less expensive than SJC
  • Nonstop flights available

See ONT to SFO flights

Destination alternative #2: Sacramento International Airport (SMF) in Sacramento, CA

  • 94 miles (151 km) away from SJC
  • Usually 0.49% less expensive than SJC
  • Nonstop flights available

See ONT to SMF flights

Destination alternative #3: Metropolitan Oakland International Airport (OAK) in Oakland, CA

  • 29 miles (47 km) away from SJC
  • Usually 0.33% less expensive than SJC
  • Nonstop flights available

See ONT to OAK flights

 

Flight Questions Answered

Still have questions about flying from ONT to SJC? 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 Norman Y. Mineta San Jose International Airport to Ontario International Airport?

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

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

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

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

It depends on the day of the week and the date, but a typical day might have around 78 available flights from ONT to SJC.

 

Airport Location Info

 

Departing Airport

Origination codeONT
Origination airport nameOntario International Airport
CityOntario, CA
Countrythe United States
Latitude34.1
Longitude-117.6

Return Airport

Destination codeSJC
Destination airport nameNorman Y. Mineta San Jose International Airport
CitySan Jose, CA
Countrythe United States
Latitude37.4
Longitude-121.9

 

Late and Early Flight Data

Flights from ONT to SJC tend to depart late almost never compared to the average flight. According to our recently updated data, 13% of flights departed 5 or more minutes late, and 14% of flights left 5 or more minutes early. On average you can expect to leave SJC heading for ONT about 2 minutes late. This does not significantly impact arrival time, as the average landing time in San Jose, CA is about 3 minutes early. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • Southwest: 2 minutes late
  • Some airlines not reporting

 

Other Resources

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.