$158 Find Cheap Flights from Islip to San Juan - Compare and Save

In the last 5 days, the lowest price for a flight from Islip to San Juan Luis Munoz Marin Intl Airport was $158 for a one-way ticket and $228 for a round-trip.

Yes, you'll most likely have to show a valid passport before boarding the plane in Islip and on arrival in San Juan.

Islip airport is called Islip Long Island and the only airport in San Juan is San Juan Luis Munoz Marin Intl.

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

The two airlines most popular with KAYAK users for flights from Islip to San Juan are Southwest and Frontier. With an average price for the route of $796 and an overall rating of 8.0, Southwest is the most popular choice. Frontier is also a great choice for the route, with an average price of $356 and an overall rating of 5.6.

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 Islip to San Juan.

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