The average bus between Chelsea and Watertown takes 1h 8m and the fastest bus takes 54 min. There is an hourly bus service from Chelsea to Watertown. 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 Chelsea and Watertown. The earliest departure is at 5:53 AM in the morning, and the last departure from Chelsea is at 7:25 PM which arrives into Watertown at 8:31 PM. All services require a transfer at Summer St @ Atlantic Ave and take an average of 1h 8m. The schedules shown below are for the next available departures.

1h 4m • 1 change

1h 4m • 1 change

1h 5m • 1 change

1h 9m • 1 change

54 min • 1 change

56 min • 1 change

1h 2m • 1 change

1h • 1 change

54 min • 1 change

56 min • 1 change

1h 2m • 1 change

1h • 1 change
Want to know about travelling from Chelsea to Watertown? 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 Chelsea to Watertown. However, there are services departing from Chelsea station and arriving at Watertown station via Summer St @ Atlantic Ave. The journey, including transfers, takes approximately 1h 8m.
Chelsea to Watertown bus services, operated by MBTA, depart from Box District station.
Chelsea to Watertown bus services, operated by MBTA, arrive at Galen St @ Water St station.
The distance between Chelsea and Watertown is 12.5 km. The road distance is 24 km.
You can take a bus from Box District to Galen St @ Water St via Summer St @ Atlantic Ave and Federal St @ Franklin St in around 1h 24m.