Islip (ISP) to Baltimore (BWI) flights
One airline flies nonstop from Islip (ISP) to Baltimore (BWI): 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 ISP to BWI
- Southwest AirlinesNot in an allianceWho books it
ISP to BWI with one stop
7 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Richmond (RIC)Breeze Airways, then Southwest Airlines
- Via Norfolk (ORF)Breeze Airways, then Southwest Airlines
- Via Boston (BOS)Cape Air, then Southwest Airlines and Delta Air Lines
- Via Raleigh/Durham (RDU)Breeze Airways, then Southwest Airlines
- Via Wilmington (ILM)Breeze Airways, then Avelo Airlines
- Via Myrtle Beach (MYR)Breeze Airways, then Southwest Airlines
- Via Charleston (CHS)Breeze Airways, then Southwest Airlines
ISP to BWI: common questions
Which airlines fly nonstop from ISP to BWI?
Southwest Airlines flies nonstop from Islip (ISP) to Baltimore (BWI).
How far is Islip from Baltimore by plane?
Islip (ISP) and Baltimore (BWI) 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 ISP to BWI cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ISP to BWI with taxes and fees.
Where can I connect between Islip and Baltimore?
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.