$58 Find Cheap Flights from Ontario to San Jose - Compare and Save

These are the earliest and latest flight times available from Ontario to San Jose:

• Earliest: departs at 5:50 am and lands at 7:06 am
• Latest: departs at 9:40 pm and lands at 10:56 pm.

The flight takes about 1h 16m.

Only Economy Class is available on flights from Ontario to San Jose.

A nonstop flight from Ontario to San Jose takes 1h 16m, covering 333 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Ontario to San Jose range from $245 to $570, with an average of $318 over the past 12 months. Anything below $245 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 118% above the $318 route average. Book 14 weeks before departure for the lowest fares.

On this route, nonstop and layover fares are close on average, with nonstop at $322 round-trip and layover options via Las Vegas Harry Reid Intl (LAS) at $328.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

Morning is the busiest departure period on Ontario to San Jose flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 0%.

One-way fares from Ontario to San Jose are currently lower than usual. Average one-way flight prices are about $77, which is 56% below the typical average for this route.

San Jose Airport (SJC) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

• Europcar
• Fox
• Dollar
• Thrifty
• Hertz

Flights from Ontario to San Jose usually depart from Ontario (ONT) and arrive at San Jose (SJC).

One-stop flights from Ontario to San Jose most commonly connect through:

• Las Vegas Harry Reid Intl (LAS) - 56% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 31% of one-stop connections
• Portland (PDX) - 6% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 6% of one-stop connections

Yes. Flexible dates can save you up to 50% on flights from Ontario to San Jose. Thursday is the cheapest departure day at $287 round-trip on average, while Monday is the most expensive at $563, a difference of $276.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Southwest operates flights between Ontario and San Jose.

Flying via Portland (PDX) gives the shortest average 1-stop total travel time at 5h 23m, compared with 5h 47m via Phoenix Sky Harbor Intl (PHX) and 8h 11m via Las Vegas Harry Reid Intl (LAS).

Some of the most popular sights in San Jose are San Jose McEnery Convention Center, SAP Center at San Jose and Civic Auditorium. These are among the most viewed places in San Jose on KAYAK.

Among airlines operating Ontario to San Jose flights:

• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Southwest: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

One transportation option is Santa Clara VTA's Line 60 bus, which connects Norman Y. Mineta San Jose International Airport (SJC) with Milpitas BART and Winchester stations.

At Terminal A, Lyft, Tesla, Uber and Wingz pick up at the Arrivals Curbside and Ground Transportation Island, Stop 1. Waymo picks up at Stop 9. At Terminal B, Waymo uses Stop 7, Tesla and Uber use Stop 8, Uber uses Stop 9 and Lyft and Wingz use Stop 10 on the Ground Transportation Island.