Looking for the price of a flight from Ontario to San José?

There’s no fixed price — fares between Ontario and San José can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Best airport options between Ontario and San José

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in Ontario: Ontario is the only operating airport.
• Airports in San José: Tobias Bolanos offers an alternative to San José - Juan Santamaria International.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Adjust your flight filters for Ontario – San José

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Costa Rica? These cities are popular too: Golfito, Liberia, Quepos, San José, Tamarindo.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.