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Isla Grande

Cheap flights from John F Kennedy Intl, NY (JFK) to Isla Grande (SIG)

JFK — SIG
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from John F Kennedy Intl to Isla Grande

Discover tips and strategies to find the most affordable flight options for your journey from John F Kennedy Intl (JFK) to Isla Grande (SIG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2025.

Popular in

December

Cheapest in

October

Average price

$244
Highest demand for flights based on searches. 35% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 19% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Best time to book a flight from John F Kennedy Intl to Isla Grande

Have a flexible travel schedule? Discover the best time to fly to Isla Grande from John F Kennedy Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New York John F Kennedy Intl Airport to San Juan Isla Grande Airport

What is the cheapest time of day to fly from JFK to SIG?

Find hourly flight availability from John F Kennedy Intl to Isla Grande. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

One of the essential ways to save on airfare from New York John F Kennedy Intl Airport to San Juan Isla Grande Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 58% on airfare.

Related info for your journey

Find useful and relevant information for your journey from John F Kennedy Intl to Isla Grande. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from John F Kennedy Intl to Isla Grande that include hotel bookings?

    Yes. In addition to deals on John F Kennedy Intl to Isla Grande flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from John F Kennedy Intl to Isla Grande?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from John F Kennedy Intl to Isla Grande.

  • Can I find deals for business class flights from John F Kennedy Intl to Isla Grande?

    Yes. Cheapflights offers flight deals from John F Kennedy Intl to Isla Grande by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New York John F Kennedy Intl Airport to San Juan Isla Grande Airport?

    Currently, September is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to San Juan Isla Grande Airport (average of $164). Flying from New York John F Kennedy Intl Airport to San Juan Isla Grande Airport in June is currently the most expensive (average of $344). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for John F Kennedy Intl to Isla Grande

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Luis Munoz Marin Intl flights
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Top 2 airlines flying from John F Kennedy Intl to Isla Grande

Discover the top 2 airlines that operate flights from John F Kennedy Intl to Isla Grande. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$116Average$218FlexibilityNo cancel feeOn-time62%
DeltaCheapest$353Average$390FlexibilityNo cancel feeOn-timeN/A

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