Baltimore (BWI) to Islip (ISP) flights
One airline flies nonstop from Baltimore (BWI) to Islip (ISP): Southwest Airlines. The two airports are 219 miles (353 km) apart. There are also 7 ways to fly it with one stop, through Richmond, Norfolk and Boston and more.
Airlines flying nonstop from BWI to ISP
- Southwest AirlinesNot in an allianceWho books it
BWI to ISP with one stop
7 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Richmond (RIC)Southwest Airlines, then Breeze Airways
- Via Norfolk (ORF)Southwest Airlines, then Breeze Airways
- Via Boston (BOS)Southwest Airlines and Delta Air Lines, then Cape Air
- Via Raleigh/Durham (RDU)Southwest Airlines, then Breeze Airways
- Via Wilmington (ILM)Avelo Airlines, then Breeze Airways
- Via Myrtle Beach (MYR)Southwest Airlines, then Breeze Airways
- Via Charleston (CHS)Southwest Airlines, then Breeze Airways
BWI to ISP: common questions
Which airlines fly nonstop from BWI to ISP?
Southwest Airlines flies nonstop from Baltimore (BWI) to Islip (ISP).
How far is Baltimore from Islip by plane?
Baltimore (BWI) and Islip (ISP) are 219 miles (353 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does BWI 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 BWI to ISP with taxes and fees.
Where can I connect between Baltimore and Islip?
The most direct connections are through Richmond (RIC), Norfolk (ORF), Boston (BOS), Raleigh/Durham (RDU) and Wilmington (ILM).
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.