How much should you expect to spend for a flight from San Juan to Ontario?

Flight prices from San Juan to Ontario change depending on demand and time of booking.

$383 is the lowest fare found in the past 15 days.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Which airports serve San Juan and Ontario?

When planning a trip of about 3337 mi, it's a good idea to check flights from surrounding airports too.

• Airports in San Juan: Isla Grande is also an option alongside San Juan - Luis Muñoz Marín.
• Airports in Ontario: The only active airport in Ontario is Ontario.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Adjust your flight filters for San Juan – Ontario

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from agencies like Expedia, eDreams, and more.

Other popular destinations

Planning a trip to United States? These cities are popular too: Atlanta, Los Angeles, Miami, New York City, Orlando.

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.