Cheap flights from Ontario to San José from $230

In general, December is the cheapest month to fly from Ontario to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $390. If you don’t want to visit San José in December, then you should wait until November to fly from Ontario, when ticket prices are also cheap, with an average price of $454.

On average, the least expensive day to fly to San José from Ontario is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $568. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Ontario to San José on a Sunday will generally be more expensive and average around $641. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Ontario to San José flights are usually those with departure times at noon. Our users have found flights to San José at noon for as low as $492. Flights in the morning are often more expensive with an average ticket price of $676.

You could potentially save up to 31% on your flight if you consider stops on a Ontario to San José flight.

Delta, Southwest, and United Airlines are the most popular carriers operating from Ontario to San José Juan Santamaria Intl

Alaska Airlines, Avianca and United Airlines are the top three most popular airlines that fly to San José from Ontario according to our data. Alaska Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to San José. Keep in mind that there are 11 different airlines that fly to San José on a routine basis, so you have a few additional options to choose from.

San Salvador (SAL) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Flights via San Francisco (SFO) offer the lowest average round-trip price of $514.

Flights connecting via San Salvador (SAL) have the shortest average one-way travel time: 8h 10m.

San Francisco (SFO) has the shortest average layover time for this route: 2h 27m.