Wilmington (ILM) to Islip (ISP) flights
One airline flies nonstop from Wilmington (ILM) to Islip (ISP): Breeze Airways. The two airports are 522 miles (840 km) apart. There are also 3 ways to fly it with one stop, through Baltimore, Boston and Orlando.
Airlines flying nonstop from ILM to ISP
- Breeze AirwaysNot in an alliance

ILM to ISP with one stop
3 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Baltimore (BWI)Avelo Airlines, then Southwest Airlines


- Via Boston (BOS)American Airlines, Delta Air Lines and 1 more, then Cape Air




- Via Orlando (MCO)Breeze Airways, then Frontier Airlines, Southwest Airlines and 1 more




ILM to ISP: common questions
Which airlines fly nonstop from ILM to ISP?
Breeze Airways flies nonstop from Wilmington (ILM) to Islip (ISP).
How far is Wilmington from Islip by plane?
Wilmington (ILM) and Islip (ISP) are 522 miles (840 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does ILM to ISP cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ILM to ISP with taxes and fees.
Where can I connect between Wilmington and Islip?
The most direct connections are through Baltimore (BWI), Boston (BOS) and Orlando (MCO).
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.