Cheap Flights from SJU to ISP: When to Fly from San Juan to Islip

 

The cheapest times to fly from SJU to ISP are

• January 8th to March 4th (except the weeks of February 5th and February 19th)
• April 23rd to May 13th (except the week of April 30th)
• July 16th to November 11th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SJU to ISP is early to mid September. Prices can be as high as $1203 for Sunday flights during early April, or as low as $392 for Wednesday flights around early to mid September.

 

When to Fly to Islip

Flying from San Juan, PR (SJU) to Islip, NY (ISP) will usually cost between $418 to $856 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid September with an average ticket price of $422. Due to high demand the most expensive time to fly is early April, with an average price of $808. Planning your trip to low-cost times can easily save you $387 on economy flights and even more on first-class flights. Generally, any price below $517 can be considered a good price for a round-trip SJU to ISP flight.

See below for a graph of average weekly prices for the SJU to ISP route. All prices are for round-trip tickets in USD.

Compared to other flights, the SJU to ISP flight is cheaper than the average and costs less than the average flight leaving from San Juan. The average price per mile (for a direct flight) is $0.2, which is below average.

 

Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $184 (27%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $490. Return trip prices are from the ISP to SJU flight, and often highlight the quality of our data in showing the same trend.

 

Nonstop Flights and Layovers

Travelers looking to fly from SJU to ISP can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 52 minutes may not be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SJU to ISP while comparing.

 

Flight Questions Answered

Still have questions about flying from SJU to ISP? We’ve got answers.

Which airlines fly this route?

You can find 3 major airlines flying this route most often: American, Frontier, Southwest, and potentially more during busy seasons.

How far away is it from Long Island MacArthur Airport to Luis Munoz Marin International Airport?

The distance between the two airports is roughly 1601 miles or 2577 kilometers.

How long does it take to fly from SJU to ISP?

The real-world flight time for a nonstop SJU to ISP flight is about 3 hour 52 minutes.

How many flights go between San Juan, PR and Islip, NY?

It depends on the day of the week and the date, but a typical day might have around 101 available flights from SJU to ISP.

 

Airport Location Info

 

 

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.