The average bus between Fullerton (Station) and Diamond Bar takes 1h 26m and the fastest bus takes 58 min. There is a bus service every few hours from Fullerton (Station) 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 Fullerton (Station) and Diamond Bar. The earliest departure is at 5:42 AM in the morning, and the last departure from Fullerton (Station) is at 9:44 PM which arrives into Diamond Bar at 10:45 PM. All services require a transfer at Ring-Brea Mall and take an average of 1h 26m. The schedules shown below are for the next available departures.

1h 2m • 1 change

1h 14m • 1 change

1h 26m • 1 change

1h 38m • 1 change

1h 2m • 1 change

1h 14m • 1 change

1h 26m • 1 change

1h 38m • 1 change

1h 2m • 1 change

1h 14m • 1 change

1h 26m • 1 change

1h 38m • 1 change
Want to know about travelling from Fullerton (Station) 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 Fullerton (Station) to Diamond Bar. However, there are services departing from Fullerton (Station) station and arriving at Diamond Bar station via Ring-Brea Mall. The journey, including transfers, takes approximately 1h 26m.
Fullerton (Station) to Diamond Bar bus services, operated by OCTA, depart from Fullerton Trans Ctr Dock 4 station.
Fullerton (Station) to Diamond Bar bus services, operated by OCTA, arrive at Diamond Bar Blvd and Sunset Crossing Rd station.
The distance between Fullerton (Station) and Diamond Bar is 20.6 km. The road distance is 25 km.
You can take a bus from Fullerton Trans Ctr Dock 4 to Diamond Bar Blvd and Sunset Crossing Rd via Ring-Brea Mall and Brea Mall in around 1h 38m.