Flight Time from Montréal to South Boston
The flight from Montréal to South Boston covers about 253 mi and takes roughly 58 min nonstop. Flight duration estimate and fare guide.
Montréal and South Boston are about 253 mi (407 km) apart in a straight line. By road that works out to roughly 309 mi (497 km), a drive of about 5 hr 31 min. A nonstop flight covers the great-circle distance in approximately 58 min.
| Straight-line distance | 253 mi / 407 km |
| Road distance (est.) | 309 mi / 497 km |
| Driving time (est.) | 5 hr 31 min |
| Nonstop flight (est.) | 58 min |
| Driving fuel (est., 1-way) | $39 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 43.928, -72.285 |
How these estimates work
Straight-line distance uses the haversine formula on each city's coordinates. Road distance applies a circuity factor (~1.2–1.4×) and driving time a blended average speed. Flight time uses typical jet cruise speed plus ~30 minutes for taxi, climb and descent. Treat all figures as planning estimates.
Frequently asked questions
Montréal to South Boston is about 253 mi (407 km) in a straight line, and roughly 309 mi (497 km) by road.