The average bus between Petaluma and South San Francisco Station (Caltrain) takes 2h 14m and the fastest bus takes 1h 52m. There is a bus service every few hours from Petaluma to South San Francisco Station (Caltrain). 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 Petaluma and South San Francisco Station (Caltrain). The earliest departure is at 3:30 AM at night, and the last departure from Petaluma is at 10:00 PM which arrives into South San Francisco Station (Caltrain) at 12:30 AM. All services require a transfer at San Francisco Airport and take an average of 2h 14m. The schedules shown below are for the next available departures.

1h 59m • 1 change

1h 59m • 1 change

2h 22m • 1 change

2h 26m • 1 change

1h 59m • 1 change

1h 59m • 1 change

2h 22m • 1 change

2h 26m • 1 change

2h 30m • 1 change

2h 30m • 1 change

2h 37m • 1 change

2h 37m • 1 change
Want to know about travelling from Petaluma to South San Francisco Station (Caltrain)? 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 Petaluma to South San Francisco Station (Caltrain). However, there are services departing from Petaluma station and arriving at South San Francisco Station (Caltrain) station via San Francisco Airport. The journey, including transfers, takes approximately 2h 14m.
Petaluma to South San Francisco Station (Caltrain) bus services, operated by Groome Transportation, depart from Petaluma station.
Petaluma to South San Francisco Station (Caltrain) bus services, operated by Groome Transportation, arrive at San Francisco Airport station.
The distance between Petaluma and South San Francisco Station (Caltrain) is 67.3 km. The road distance is 91 km.
Groome Transportation operates a bus from Petaluma to San Francisco Airport hourly. Tickets cost $25–55 and the journey takes 1h 30m.