The average bus between Union Station and South Station takes 2h and the fastest bus takes 1h 14m. The bus runs at least 2 times per hour from Union Station to South Station. 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 30 minutes between Union Station and South Station. The earliest departure is at 12:55 AM at night, and the last departure from Union Station is at 10:07 PM which arrives into South Station at 11:55 PM. All services require a transfer at Main St @ Stone St and take an average of 2h. The schedules shown below are for the next available departures.


1h 40m • 2 changes


1h 51m • 2 changes


1h 33m • 2 changes


1h 39m • 2 changes


4h 32m • 2 changes


1h 52m • 2 changes


1h 47m • 2 changes


1h 46m • 2 changes


4h 36m • 2 changes


1h 52m • 2 changes


1h 47m • 2 changes


1h 46m • 2 changes
Want to know about travelling from Union Station to South Station? 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 Union Station to South Station. However, there are services departing from Union Station station and arriving at South Station station via Forest Hills. The journey, including transfers, takes approximately 2h.
Union Station to South Station bus services, operated by MBTA, depart from Main St @ Stone St station.
Union Station to South Station bus services, operated by MBTA, arrive at Essex St @ Atlantic Ave station.
The distance between Union Station and South Station is 28.4 km. The road distance is 32 km.
You can take a vehicle from Union Station to Essex St @ Atlantic Ave via Main St @ Stone St, Forest Hills, and Nubian in around 1h 59m.