The average bus between Allston and Porter Square takes 30 min and the fastest bus takes 17 min. The bus runs at least 4 times per hour from Allston to Porter Square. 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 15 minutes between Allston and Porter Square. The earliest departure is at 7:47 AM in the morning, and the last departure from Allston is at 6:11 PM which arrives into Porter Square at 6:37 PM. All services require a transfer at Harvard and take an average of 30 min. The schedules shown below are for the next available departures.

29 min • 1 change

29 min • 1 change

32 min • 1 change

29 min • 1 change
Want to know about travelling from Allston to Porter Square? 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 Allston to Porter Square. However, there are services departing from Allston station and arriving at Porter Square station via Harvard. The journey, including transfers, takes approximately 30 min.
Allston to Porter Square bus services, operated by MBTA, depart from Cambridge St @ Harvard Ave station.
Allston to Porter Square bus services, operated by MBTA, arrive at Massachusetts Ave @ Davenport St station.
The distance between Allston and Porter Square is 3.9 km. The road distance is 6 km.
You can take a bus from Cambridge St @ Harvard Ave to Porter Square via Harvard and Massachusetts Ave @ Davenport St in around 26 min.