The average bus between Portland and Charlestown takes 2h 31m and the fastest bus takes 2h 15m. There is a bus service every few hours from Portland to Charlestown. 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 hourly between Portland and Charlestown. The earliest departure is at 3:15 AM at night, and the last departure from Portland is at 4:45 PM which arrives into Charlestown at 7:03 PM. All services require a transfer at Boston, MA - South Station and take an average of 2h 31m. The schedules shown below are for the next available departures.

2h 58m • 1 change

2h 26m • 1 change

2h 33m • 1 change

2h 23m • 1 change

2h 58m • 1 change

2h 26m • 1 change

2h 33m • 1 change

2h 23m • 1 change

2h 58m • 1 change

2h 26m • 1 change

2h 33m • 1 change

2h 23m • 1 change

2h 58m • 1 change

2h 26m • 1 change

2h 33m • 1 change

2h 23m • 1 change
Want to know about travelling from Portland to Charlestown? 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 Portland to Charlestown. However, there are services departing from Portland station and arriving at Charlestown station via Boston, MA - South Station station. The journey, including transfers, takes approximately 2h 31m.
Portland to Charlestown bus services, operated by Amtrak Thruway, depart from Portland, ME station.
Portland to Charlestown bus services, operated by Amtrak Thruway, arrive at Boston, MA - South Station.
The distance between Portland and Charlestown is 156.5 km. The road distance is 175 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.