$171 Find Cheap Flights from Ontario to San Juan - Compare and Save

In the last 5 days, the lowest price for a flight from Ontario to San Juan Luis Munoz Marin Intl Airport was $171 for a one-way ticket and $342 for a round-trip.

A passport is required to fly from Ontario to San Juan.

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

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

The two airlines most popular with KAYAK users for flights from Ontario to San Juan are Southwest and Delta. With an average price for the route of $562 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $530 and an overall rating of 7.8.

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 Ontario to San Juan.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Ontario 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 San Juan with an airline and back to Ontario with another airline. Booking your flights between Ontario and SJU 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 San Juan from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.