The average bus between South Portland and Boston takes 3h 54m and the fastest bus takes 2h 52m. The bus service runs several times per day from South Portland to Boston. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 3 hours between South Portland and Boston. The earliest departure is at 6:32 AM in the morning, and the last departure from South Portland is at 10:59 PM which arrives into Boston at 8:15 AM. All services require a transfer at Congress St + Forest Ave and take an average of 3h 54m. The schedules shown below are for the next available departures.


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Want to know about travelling from South Portland to Boston? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from South Portland to Boston. However, there are services departing from South Portland station and arriving at Boston station via Boston, MA - South Station station. The journey, including transfers, takes approximately 3h 54m.
South Portland to Boston bus services, operated by Greater Portland Metro Bus, depart from Portland, ME station.
South Portland to Boston bus services, operated by Greater Portland Metro Bus, arrive at Boston, MA - South Station.
The distance between South Portland and Boston is 157.4 km. The road distance is 180 km.
Concord Coach Lines operates a bus from Portland, ME to Boston, MA - South Station hourly. Tickets cost $23–30 and the journey takes 1h 55m. Amtrak Thruway also services this route hourly.