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Isla Grande

Cheap flights from Newark (EWR) to Isla Grande (SIG)

EWR — SIG
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap flight deals from Newark to Isla Grande

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) 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 August 1, 2025.

Popular in

April

Cheapest in

October

Average price

$283
Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Best time to book a flight from Newark to Isla Grande

Have a flexible travel schedule? Discover the best time to fly to Isla Grande from Newark 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 Newark Airport to San Juan Isla Grande Airport

What is the cheapest month to book a flight from Newark Airport to San Juan Isla Grande Airport?

Currently, September is the cheapest month in which you can book a flight from Newark Airport to San Juan Isla Grande Airport (average of $164). Flying from Newark 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.

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

Find hourly flight availability from Newark 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 August 1, 2025.

When flying from Newark Airport to San Juan Isla Grande Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 32% versus a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Newark 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 Newark to Isla Grande that include hotel bookings?

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

  • How can I find direct flights from Newark to Isla Grande?

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

  • Can I find deals for business class flights from Newark to Isla Grande?

    Yes. Cheapflights offers flight deals from Newark 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 Newark Airport to San Juan Isla Grande Airport?

    Currently, September is the cheapest month in which you can book a flight from Newark Airport to San Juan Isla Grande Airport (average of $164). Flying from Newark 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 Newark to Isla Grande

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Newark to Isla Grande

Discover the top 2 airlines that operate flights from Newark 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$107Average$273FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$221Average$382FlexibilityNo cancel feeOn-time62%

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