The average bus between South Pasadena and Diamond Bar takes 1h 42m and the fastest bus takes 1h 11m. There is a bus service every few hours from South Pasadena to Diamond Bar. 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 South Pasadena and Diamond Bar. The earliest departure is at 6:21 AM in the morning, and the last departure from South Pasadena is at 10:03 PM which arrives into Diamond Bar at 7:17 AM. All services require a transfer at Cal State La Transit Center and take an average of 1h 42m. The schedules shown below are for the next available departures.

1h 25m • 1 change

1h 35m • 1 change

1h 34m • 1 change

1h 27m • 1 change

1h 12m • 1 change

1h 25m • 1 change

1h 15m • 1 change

1h 18m • 1 change

1h 12m • 1 change

1h 25m • 1 change

1h 15m • 1 change

1h 18m • 1 change
Want to know about travelling from South Pasadena to Diamond Bar? 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 South Pasadena to Diamond Bar. However, there are services departing from South Pasadena station and arriving at Diamond Bar station via Cal State La Transit Center. The journey, including transfers, takes approximately 1h 42m.
South Pasadena to Diamond Bar bus services, operated by Metro Los Angeles, depart from Fair Oaks / Mission station.
South Pasadena to Diamond Bar bus services, operated by Metro Los Angeles, arrive at Cal Poly Pomona Admin station.
The distance between South Pasadena and Diamond Bar is 32.8 km. The road distance is 46 km.
You can take a bus from Fair Oaks / Mission to Cal Poly Pomona Admin via Cal State La Transit Center and Cal State LA E in around 1h 29m.