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Isla Grande

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

JFK — SIG
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Find 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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

December

Cheapest in

January

Average price

$614
Provider with most accurate pricing for New York John F Kennedy Intl-San Juan Isla Grande flight deals.
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Provider most trusted by Cheapflights users for New York John F Kennedy Intl-San Juan Isla Grande flights.
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Highest demand for flights based on searches. 11% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Compare providers for flights from John F Kennedy Intl to Isla Grande

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from John F Kennedy Intl to Isla Grande in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New York John F Kennedy Intl Airport-San Juan Isla Grande Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on New York John F Kennedy Intl Airport-San Juan Isla Grande Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from New York John F Kennedy Intl Airport-San Juan Isla Grande Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York John F Kennedy Intl Airport-San Juan Isla Grande Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New York John F Kennedy Intl Airport-San Juan Isla Grande Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 14, 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 in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 61% on airfare.

Reviews of airlines servicing Isla Grande

Get insights into the airlines that provide service to Isla Grande. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Isla Grande. Reviews last updated December 14, 2025.
Read reviews from past customers who have flown Frontier from New York John F Kennedy Intl Airport to San Juan Isla Grande Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Frontier
5.8
Fair
3,081 reviews

Overall

5.8

Boarding

6.0

Crew

6.7

Food

4.6

Comfort

5.5

Entertainment

4.4

Reviews

1 / 20
4.0
Okay

Chase,Nov 2025

SLC - SEA

Worst part was not frontiers fault but being stuck on the tarmac for an hour at our arrival destination because of another planes issue and the lack of clear communication (said from the pilot himself)
Frontier
5.8
Fair
3,081 reviews
Frontier
5.8
Fair
3,081 reviews

Overall

5.8

Boarding

6.0

Crew

6.7

Food

4.6

Comfort

5.5

Entertainment

4.4

Reviews

1 / 20
4.0
Okay

Chase,Nov 2025

SLC - SEA

Worst part was not frontiers fault but being stuck on the tarmac for an hour at our arrival destination because of another planes issue and the lack of clear communication (said from the pilot himself)

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.

  • What is the cheapest airline to fly from New York John F Kennedy Intl Airport to San Juan Isla Grande Airport round-trip?

    Flying on Frontier is currently your cheapest option to San Juan Isla Grande Airport, with prices starting at $123. This flight start at 56% lower than the current average price 3 months from now.

  • 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.

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Alternative routes for John F Kennedy Intl to Isla Grande

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Top airline flying from John F Kennedy Intl to Isla Grande

Discover the top airline 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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$123Average$218FlexibilityNo cancel feeOn-time62%

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