The flight time to Helena from South Boston is 3 hours 57 minutes . This is approximate direct flying time, and include average plane speed 510 miles per hour. Total flight distance between South Boston, MA and Helena, MT is about two thousand and nineteen miles or three thousand, two hundred and forty-nine km. Real time can be different, and depends on the time of day, the type of aircraft, and can be significantly longer if there are transplants during the flight.
Flying time is about 3 hours 57 minutes
Select arrival and departure cities, current are South Boston, MA and MT
This flight will take about three hours fifty-seven minutes ;
You can buy ticket to plane or drive by car, check ; distance in miles between South Boston and Helena
| Aircraft | Cruising speed | Time |
| Average | 510 mph | 3 hr 57 min |
| Boeing 737 | 515 mph | 3 hr 55 min |
| Boeing 777 | 554 mph | 3 hr 38 min |
| Airbus | 515 mph | 3 hr 55 min |
Dont forget to include time in airport before and after flight.
| Country | USA |
| State | Massachusetts |
| City | South Boston, MA |
| Latitude | 42.33343 |
| Longitude | -71.04949 |
| Country | USA |
| State | Montana |
| City | Helena, MT |
| Latitude | 46.587792 |
| Longitude | -112.022219 |
Please note: current air time calculator show approximate distance and time between cities South Boston, MA and Helena, MT. This values can be different if you flight from airports in this cities. To calculate exact time can be shown only when you buy ticket to the plane. We do not guarantee that there is an airline that connects city South Boston and Helena. To find out if there is such a flight use the ticket purchase service.