Cheap flights to Islip, New York
Flights to Islip, NY in 2025
Find the latest flights to Islip in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 22,532 searches and data was last updated on 13 July 2025.
Best time to book a flight to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Islip
Rainfall in Islip by month
Plan your trip to Islip by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Islip ranges from 84.0 - 112.0 mm per month. March is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Islip when rainfall is around 84.0 mm.
Temperature in Islip by month
Plan your trip to Islip by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Islip, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).
FAQs about flying to Islip
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