The average bus between Diamond Bar and Tustin takes 2h 11m and the fastest bus takes 1h 26m. There is a bus service every few hours from Diamond Bar to Tustin. 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 Tustin. 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 Tustin at 5:00 AM. All services require a transfer at Brea Mall and take an average of 2h 11m. The schedules shown below are for the next available departures.

1h 54m • 1 change

1h 50m • 1 change

1h 50m • 1 change

1h 56m • 1 change

1h 54m • 1 change

1h 50m • 1 change

1h 50m • 1 change

1h 56m • 1 change

1h 54m • 1 change

1h 50m • 1 change

1h 50m • 1 change

1h 56m • 1 change
Want to know about travelling from Diamond Bar to Tustin? 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 Tustin. However, there are services departing from Diamond Bar station and arriving at Tustin station via Brea Mall. The journey, including transfers, takes approximately 2h 11m.
Diamond Bar to Tustin bus services, operated by Foothill Transit, depart from Diamond Bar Blvd and Sunset Crossing Rd station.
Diamond Bar to Tustin bus services, operated by Foothill Transit, arrive at The Depot At Santa Ana Dock 3 station.
The distance between Diamond Bar and Tustin is 31.5 km. The road distance is 41 km.
You can take a bus from Diamond Bar Blvd and Sunset Crossing Rd to The Depot At Santa Ana Dock 3 via Brea Mall and Ring-Brea Mall in around 1h 55m.