The average bus between Watertown and Philadelphia takes 8h 3m and the fastest bus takes 7h 15m. The bus service runs several times per day from Watertown to Philadelphia. 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 4 times a day between Watertown and Philadelphia. The earliest departure is at 6:45 AM in the morning, and the last departure from Watertown is at 7:28 PM which arrives into Philadelphia at 3:00 AM. All services require a transfer at Lincoln St @ Essex St and take an average of 8h 3m. The schedules shown below are for the next available departures.

7h 45m • 1 change
8h 4m • 1 change
7h 50m • 1 change
7h 15m • 1 change
7h 45m • 1 change
8h 4m • 1 change
9h 25m • 1 change
8h 4m • 1 changeWant to know about travelling from Watertown to Philadelphia? 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 Watertown to Philadelphia. However, there are services departing from Watertown station and arriving at Philadelphia station via Philadelphia Bus Station station. The journey, including transfers, takes approximately 8h 3m.
Watertown to Philadelphia bus services, operated by MBTA, depart from Boston station.
Watertown to Philadelphia bus services, operated by MBTA, arrive at Philadelphia Bus Station.
The distance between Watertown and Philadelphia is 428.1 km. The road distance is 558 km.
Greyhound USA operates a bus from Boston to Philadelphia Bus Station 3 times a day. Tickets cost $55–90 and the journey takes 7h 25m. Flixbus USA also services this route once daily.