The average bus between Diamond Bar and Fullerton takes 1h 38m and the fastest bus takes 52 min. There is a bus service every few hours from Diamond Bar to Fullerton. 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 Diamond Bar and Fullerton. The earliest departure is at 6:34 AM in the morning, and the last departure from Diamond Bar is at 10:33 PM which arrives into Fullerton at 6:10 AM. All services require a transfer at Brea Mall and take an average of 1h 38m. The schedules shown below are for the next available departures.

1h 6m • 1 change

1h 38m • 1 change

1h 23m • 1 change

1h 14m • 1 change

1h 41m • 1 change

1h 24m • 1 change

1h 12m • 1 change

1h 6m • 1 change

1h 27m • 1 change

1h 14m • 1 change

1h • 1 change

1h 34m • 1 change

1h 41m • 1 change

1h 24m • 1 change

1h 12m • 1 change

1h 6m • 1 change
Want to know about travelling from Diamond Bar to Fullerton? 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 Diamond Bar to Fullerton. However, there are services departing from Diamond Bar station and arriving at Fullerton station via Brea Mall. The journey, including transfers, takes approximately 1h 38m.
Diamond Bar to Fullerton bus services, operated by Foothill Transit, depart from Diamond Bar Blvd and Sunset Crossing Rd station.
Diamond Bar to Fullerton bus services, operated by Foothill Transit, arrive at Harbor-Valley View station.
The distance between Diamond Bar and Fullerton is 20.6 km. The road distance is 23 km.
You can take a bus from Diamond Bar Blvd and Sunset Crossing Rd to Harbor-Valley View via Brea Mall and Ring-Brea Mall in around 1h 20m.