$175 Find Cheap Flights from San Juan to Ontario - Compare and Save

In the last 5 days, the lowest price for a flight from San Juan Luis Munoz Marin Intl Airport to Ontario was $175 for a one-way ticket and $342 for a round-trip.

Yes, you’ll need a passport to travel to Ontario from San Juan.

On your way to Ontario, you’ll fly out from San Juan Luis Munoz Marin Intl. You’ll be landing at Ontario.

We unfortunately don’t have that data for this specific route.

Star Alliance, and oneworld are the airline alliances operating flights between San Juan and Ontario, with Star Alliance being the most commonly used for this route.

The two airlines most popular with KAYAK users for flights from San Juan to Ontario are United Airlines and American Airlines. With an average price for the route of $593 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $665 and an overall rating of 7.1.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Juan to Ontario.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from San Juan is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to San Juan with another airline. Booking your flights between San Juan and ONT can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from San Juan up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.