Find a great deal and save up to 26% by booking at least 21 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Sanford to Islip within the next two weeks, with the cheapest ticket starting at $229.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Islip. Flights to Islip from Sanford in August are about $235 on average during August, but can be found for as low as $62.