Raleigh/Durham (RDU) to Islip (ISP) flights
One airline flies nonstop from Raleigh/Durham (RDU) to Islip (ISP): Breeze Airways. The two airports are 459 miles (738 km) apart. There are also 2 ways to fly it with one stop, through Baltimore and Boston.
Airlines flying nonstop from RDU to ISP
- Breeze AirwaysNot in an alliance

RDU to ISP with one stop
2 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Baltimore (BWI)Southwest Airlines the whole way


- Via Boston (BOS)JetBlue Airways, Delta Air Lines and 1 more, then Cape Air




RDU to ISP: common questions
Which airlines fly nonstop from RDU to ISP?
Breeze Airways flies nonstop from Raleigh/Durham (RDU) to Islip (ISP).
How far is Raleigh/Durham from Islip by plane?
Raleigh/Durham (RDU) and Islip (ISP) are 459 miles (738 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does RDU 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 RDU to ISP with taxes and fees.
Where can I connect between Raleigh/Durham and Islip?
The most direct connections are through Baltimore (BWI) and Boston (BOS). On 1 of them the same airline flies both flights, for example Southwest Airlines through Baltimore.
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.