The average bus between Irvine and Diamond Bar takes 3h 23m and the fastest bus takes 2h 22m. The bus service runs several times per day from Irvine 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 twice daily between Irvine and Diamond Bar. The earliest departure is at 2:27 PM in the afternoon, and the last departure from Irvine is at 8:58 PM which arrives into Diamond Bar at 8:04 AM. All services require a transfer at Ring-Brea Mall and take an average of 3h 23m. The schedules shown below are for the next available departures.
2h 37m • 1 change
2h 43m • 1 change
2h 49m • 1 change
2h 55m • 1 change
Want to know about travelling from Irvine 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 Irvine to Diamond Bar. However, there are services departing from Irvine station and arriving at Diamond Bar station via Ring-Brea Mall. The journey, including transfers, takes approximately 3h 23m.
Irvine to Diamond Bar bus services, operated by OCTA, depart from University-Ent 3773 Mariposa Villa station.
Irvine to Diamond Bar bus services, operated by OCTA, arrive at Diamond Bar Blvd and Sunset Crossing Rd station.
The distance between Irvine and Diamond Bar is 40 km. The road distance is 54 km.
You can take a bus from University-Ent 3773 Mariposa Villa to Diamond Bar Blvd and Sunset Crossing Rd via Ring-Brea Mall and Brea Mall in around 3h 1m.
