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 594 507 searches and data was last updated on 12 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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Search flights to Islip by cabin class
Find flights to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights to Islip?
When you search for this flight to Islip, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.
Why should you use Cheapflights to find cheap flight tickets to Islip?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Islip.
Can Cheapflights find flights to Islip with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights to Islip, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights to Islip become cheaper?
Of course! You can track prices for flights to Islip and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals to set up your price alerts.