Cheap Flights from San Juan (SIG) to Islip (ISP)

Popular airlines from San Juan (SIG-Fernando Luis Ribas Dominicci) to MacArthur Airport (ISP)

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Flights from San Juan (SIG) to Islip (ISP)
Origin airport
Fernando Luis Ribas Dominicci
Destination airport
MacArthur
Distance
1597 mi

San Juan to Islip Flights

The cheapest times to fly from San Juan to Islip

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Islip are during the month of . You can find some of the cheapest flights from San Juan to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Islip

Sunday is one of the best days to book for cheap flights from San Juan to Islip: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Juan to Islip

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Islip flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Islip airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

Is it cheaper to buy a plane ticket from Fernando Luis Ribas Dominicci Airport (SIG) to MacArthur Airport last minute?
Being a spontaneous soul is a wonderful way to travel around, but it’s not always the smartest method to land a cheap plane ticket. Think about booking your SIG to MacArthur Airport (ISP) trip in advance rather than waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save all that spontaneity for when you reach your destination!
What airports do you fly into for Islip from San Juan?
With MacArthur Airport (ISP), Tweed - New Haven Regional Airport (HVN) and Westchester County Airport (HPN) to select from, traveling from San Juan to Islip is a piece of cake. The city’s major gateway, MacArthur Airport (ISP), is around 7 mi northeast of the downtown area. Apart from the price of fares, consider things like bus or train options from the airport and the distance to your hotel when deciding where to fly into. Get your Islip adventure off to an exciting start by discovering Touro College School of Health Sciences and Bayard Cutting Arboretum State Park.
Can I change the date of my flight from SIG to MacArthur Airport?
It’s a cinch to make changes to your Fernando Luis Ribas Dominicci Airport to MacArthur Airport (ISP) journey yourself. Access your details via the Expedia Trips portal and choose “change flight.” Look around for new flights and lock in the one that works with your new plans. You’ll get an estimate of your flight change cost, if applicable. You can also head to our Customer Service portal to connect with our Virtual Agent and get answers to all your questions.

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