$172 Find Cheap Flights from Islip to Puerto Rico - Compare and Save

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Price, demand and travel trends for Islip to Puerto Rico flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What are the cheapest fares from Islip to Puerto Rico right now?

The cheapest fares from Islip to Puerto Rico on KAYAK in the last week were to San Juan Luis Munoz Marin Intl (SJU) from $286 round-trip, and to Aguadilla Borinquen (BQN) from $406 round-trip.

Which airport in Puerto Rico is the cheapest to fly to from Islip?

Based on KAYAK data from the past 12 months, the cheapest airports to fly into Puerto Rico are:

• Aguadilla Borinquen (BQN) (avg. price $374)
• San Juan Luis Munoz Marin Intl (SJU) (avg. price $582)

What’s the cheapest day to fly from Islip to Puerto Rico?

Wednesday tends to be the cheapest day to fly from Islip to Puerto Rico, while Sunday is the most expensive. Fares run about 45% higher that day, based on the past 12 months of KAYAK data.

What's the cheapest time of day to fly from Islip to Puerto Rico?

Data from the past 12 months shows it's cheapest to fly to Puerto Rico during the afternoon with average prices of $489. The morning is the most expensive time to fly, with average prices of $686.

Key details for Islip to Puerto Rico flights

Low season

August

Cheapest flight

$172
Beat the crowds with an average 81% drop in travelers.
The most popular month to fly with an average 52% increase in travelers.
One-way flight from Islip to San Juan Luis Munoz Marin Intl Airport

Your Islip to Puerto Rico flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Is now a good time to book a flight from Islip to Puerto Rico?

    Yes. Fares from Islip to Puerto Rico are low right now. As a rule of thumb, a round-trip under $416 (cheaper than most fares this year) is a good deal, so if you spot one at or below that, it's a good time to book.

  • How much should I budget for a flight from Islip to Puerto Rico?

    Over the past 12 months, round-trip fares from Islip to Puerto Rico have ranged from $416 to $725.

  • What airlines fly nonstop from Islip to Puerto Rico?

    Based on the flight schedule for the next 3 months, no airline regularly operates nonstop flights from Islip to Puerto Rico. However, Southwest offers a one-stop option.

  • Which cabin classes are available on flights from Islip to Puerto Rico?

    On flights from Islip to Puerto Rico you can only book Economy Class.

  • What are some popular landmarks in Puerto Rico?

    KAYAK travelers' favorite landmarks in Puerto Rico include:

    • Viejo San Juan
    • Puerto Rico Convention Center
    • Condado Beach
    • Ocean Park

Your guide to booking Islip to Puerto Rico flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your travel dates are flexible, book your trip for August when flights are typically cheapest and avoid February when prices are at their highest.
  • Flying on Wednesday is usually the cheapest. Flights on Sunday cost about 45% more on average, so being flexible with your travel dates could help you save.
  • If you're looking to save, Aguadilla Borinquen (BQN) is the cheapest airport to fly into from Islip. If you have onward travel, don't forget to factor in the cost of your journey by train, bus or domestic flight.
  • Start your trip in San Juan, which is the most popular destination in Puerto Rico. From there, it's easy to continue on to other popular destinations such as Carolina, Fajardo and Rio Grande.

More options for your flight from Islip to Puerto Rico

Complete your trip to Puerto Rico with a hotel stay or car rental