Boston→Saint MartinNonstop Flight TimeBOS–SXM

Boston (Boston Logan International Airport) to Saint Martin (Princess Juliana International Airport).

Direct flights from BOS to SXM have an estimated flight time of about 4h 11m, based on the 1,743-mile great-circle distance. Our current captured departure sample includes weekly across 1 captured airline, with JetBlue Airways appearing most often in that sample. Captured departure times run from 07:20 to 07:20 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for BOS to SXM, last seen June 15, 2026. Frequency uses 1 scheduled departures across 1 observed day; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.