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Fullerton to Diamond Bar buses

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Trip Overview

The average bus between Fullerton and Diamond Bar takes 1h 21m and the fastest bus takes 53 min. There is a bus service every few hours from Fullerton 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.

1h 21m
Duration
14 mi
Distance
$8
Average price
Hourly
Frequency

Line 143 bus, line 286 bus

best
  1. Take the bus from Harbor-Berkeley to Ring-Brea Mallbus bus 143
  2. Take the bus from Brea Mall to Diamond Bar Blvd and Sunset Crossing Rdbus bus 286
1h 33m
$3–8

Fullerton to Diamond Bar bus times

Buses run hourly between Fullerton and Diamond Bar. The earliest departure is at 5:47 AM in the morning, and the last departure from Fullerton is at 9:48 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 21m. The schedules shown below are for the next available departures.

Departing Friday, October 9, 2026

  •  → 

    OCTAFoothill Transit58 min • 1 change

  •  → 

    OCTAFoothill Transit1h 5m • 1 change

  •  → 

    OCTAFoothill Transit1h 19m • 1 change

  •  → 

    OCTAFoothill Transit1h 31m • 1 change
  • Show more

Departing Saturday, October 10, 2026

  •  → 

    OCTAFoothill Transit1h 10m • 1 change

  •  → 

    OCTAFoothill Transit1h 22m • 1 change

  •  → 

    OCTAFoothill Transit1h 35m • 1 change

  •  → 

    OCTAFoothill Transit1h 1m • 1 change
  • Show more

Departing Monday, October 12, 2026

  •  → 

    OCTAFoothill Transit57 min • 1 change

  •  → 

    OCTAFoothill Transit1h 9m • 1 change

  •  → 

    OCTAFoothill Transit1h 21m • 1 change

  •  → 

    OCTAFoothill Transit1h 33m • 1 change
  • Show more

Departing Tuesday, October 13, 2026

  •  → 

    OCTAFoothill Transit57 min • 1 change

  •  → 

    OCTAFoothill Transit1h 9m • 1 change

  •  → 

    OCTAFoothill Transit1h 21m • 1 change

  •  → 

    OCTAFoothill Transit1h 33m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Fullerton 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.

Map of how to get from Fullerton to Diamond Bar.ExpandLaunch map view
  • Distance: 14.2 mi
  • Duration: 1h 21m

What companies run services between Fullerton, CA, USA and Diamond Bar, CA, USA?

You can take a bus from Harbor-Berkeley to Diamond Bar Blvd and Sunset Crossing Rd via Ring-Brea Mall and Brea Mall in around 1h 33m.

Operators