Cheap flights from Islip, New York from $24

Our data suggests that currently, the cheapest flights from Islip, New York are being offered by JetBlue, Frontier, and Avelo Airlines. For example, JetBlue flights from Islip, New York to Miami, start at $35, Frontier flights from Islip, New York to Dallas/Fort Worth Airport cost around $52, and Avelo Airlines flights from Islip, New York to Lakeland are around $59.

Currently, the cheapest flight from Islip, New York found by our users is for $18 to Wilmington. Prices will vary according to several factors such as the departure date and time, but on average you can expect to pay around $83 to travel from Islip, New York to Wilmington.

Orlando Airport, Orlando and Boston are currently the destinations served most frequently from Islip, New York, with 3, 3 and 2 flights per day on average, respectively.

Airlines including Southwest, JetBlue and Frontier frequently fly from Islip, New York. You can view other airlines by performing a quick search in the form above.

Prices for flights from Islip Long Island Airport refresh daily.

The number of operators available for flights from Islip Long Island Airport is 8 as of December 2025.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport.

The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.