Cheap Flights from Islip to Puerto Rico from $367

Looking for a cheap last-minute deal or the best roundtrip flight from Islip Airport to Puerto Rico? If you want to travel next month, roundtrip fares start from $398. Find the lowest prices on one-way and roundtrip flight tickets right here.

San Juan.$367 per passenger.Departing Thu, Jan 7, returning Thu, Jan 14.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Islip on Thu, Jan 7, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departing from San Juan Luis Munoz Marin on Thu, Jan 14, arriving in Islip.Price includes taxes and charges.From $367, select.

Aguadilla.$398 per passenger.Departing Sun, Dec 6, returning Sat, Dec 12.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Islip on Sun, Dec 6, arriving in Aguadilla.Inbound indirect flight with Frontier Airlines, departing from Aguadilla on Sat, Dec 12, arriving in Islip.Price includes taxes and charges.From $398, select.

Ponce.$418 per passenger.Departing Thu, Nov 19, returning Mon, Nov 23.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Islip on Thu, Nov 19, arriving in Ponce.Inbound indirect flight with Frontier Airlines, departing from Ponce on Mon, Nov 23, arriving in Islip.Price includes taxes and charges.From $418, select.

Mayaguez.$640 per passenger.Departing Thu, Nov 19, returning Mon, Nov 23.Round-trip flight with Breeze Airways and Cape Air.Outbound indirect flight with Breeze Airways, departing from Islip on Thu, Nov 19, arriving in Mayaguez.Inbound indirect flight with Cape Air, departing from Mayaguez on Mon, Nov 23, arriving in Islip.Price includes taxes and charges.From $640, select.

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Alternative Islip to Puerto Rico routes

Compare flight prices from airports across Puerto Rico. If you're flexible, you might find a cheaper flight or a faster route from a different airport.

Flights from Islip Airport to Puerto Rico FAQs

What is the cheapest flight to Puerto Rico from Islip?

The cheapest flight from Islip to Puerto Rico costs $367.

Explore the different prices of flights from Islip to Puerto Rico and find the best option for you.

When is it the cheapest time to fly from Islip to Puerto Rico?

The cheapest month to fly from Islip to Puerto Rico is January. See if any of these flights in January suit you.

What is the cheapest Islip to Puerto Rico flight route?

We've taken a look at the year ahead using our flights calendar. The cheapest flight route from Islip to Puerto Rico is Islip to San Juan Luis Munoz Marin. You can buy a ticket to fly this route from $367.

Take a look at Islip to San Juan Luis Munoz Marin flights.

What is the cheapest airline that flies to Puerto Rico from Islip?

Looking at the year ahead, the cheapest airline flying to Puerto Rico from Islip is Frontier Airlines.

Explore flight ticket options today.

Cheapest flights to Puerto Rico from Islip

How to find cheap flights from Islip Airport (ISP) to Puerto Rico

The cheapest return flight from Islip Airport (ISP) to Puerto Rico is currently $367.
You'll be traveling from ISP into San Juan Luis Munoz Marin in San Juan with that fare.
A one-way ticket starts at $189.
Need some ideas on where to fly to? Enter 'Puerto Rico' in the 'To' field to compare fares to different cities.
There are three international airports in Puerto Rico you can fly to.
Choose 'Add nearby airports' to broaden your search and compare prices across all airports close to both your origin and destination cities.
Try booking around two months ahead of your departure date to find a cheaper fare. You might want to book even earlier if you're traveling when it's busy.
Keep up with every fare change. Download the Skyscanner app, create a Price Alert, and we'll send you updates when prices rise or drop.

Best time to fly from Islip Airport (ISP) to Puerto Rico

Hop on a flight from Islip Airport (ISP) to Puerto Rico in January and you'll be traveling at one of the cheapest times of the year. Prices start at $367.
In general, a midweek flight is a simple way to save. Tuesdays and Wednesdays often mean better fares.
February, November and December are the most popular months to travel to Puerto Rico. November tops the list — though fares are usually also higher at this time.
May, June and September are the least popular months to fly. The quietest month is June. Planes aren't as full, so airlines tend to drop prices to help fill flights.

Popular places to visit in Puerto Rico

Now that you've booked your Islip to Puerto Rico flights, it's time to start planning your trip.

San Juan

San Juan is a leading destination for flights departing Islip Airport and heading to Puerto Rico. Balneario El Escambron, La Garita del morro de san juan bahia and Beach San Juan are unmissable stops for first-time visitors.
You can fly into San Juan through Luis Munoz Marin International Airport (SJU) or San Juan Isla Grande Airport (SIG).
Check out the lineup of hotels in San Juan and round out your trip with a stay that fits your style.

Culebra

The biggest draws in Culebra include Playa Flamenco Beach, Bahía Flamenco and Tamarindo Beach.
Land at Benjamin Rivera Noriega Airport (CPX) and go straight from arrivals to discovering the sights.
Browse hotels in Culebra and lock in a stay that keeps up with your plans.

Vieques

Drop by major attractions like Bahía Bioluminiscente, Black Sand Beach and Playa Blaydin while you're in Vieques.
Antonio Rivera Rodriguez Airport (VQS) is the city's main airport, with routes linking it to major destinations throughout the region and beyond.
Hunt down a deal on where you'll stay by checking out the list of hotels in Vieques.

Visiting Puerto Rico for the first time? Here's what you need to know

Entry rules can vary depending on your passport and travel plans, so check well in advance. Official embassy sites and airlines will have reliable advice on visas or any other documents you may need.
San Juan is the capital of Puerto Rico, which has a population of around 3.2 million.
This destination operates on one standard time zone of UTC-4.
To enjoy warmer weather in Puerto Rico, consider going in August when highs average 30ºC (86ºF).
Temperatures are often coolest around March, when average low temperatures drop to 22ºC (72ºF). Check the weather conditions before you go.
You can expect more rain in September, while January is usually drier.
Well-known events on the local calendar include the San Sebastián Street Festival, Casals Festival and the Puerto Rico Heineken JazzFest. Line up your trip around occasions like these to experience something beyond the everyday.

Complete your trip with hotels and a car rental

With your cheap flight from Islip Airport (ISP) to Puerto Rico booked, it's time to plan the rest of your trip. Discover competitive prices and places to suit every budget across hotels in Puerto Rico. You can also browse the car rental options in Puerto Rico and compare deals from trusted companies in seconds.

Puerto Rico hotels and car rentals

Did you know we can help you plan the rest of your trip from Islip to Puerto Rico? Get exclusive deals and great rates for hotels and car rentals in Puerto Rico too.