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Ontario to Diamond Bar buses

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Trip Overview

The average bus between Ontario and Diamond Bar takes 1h 10m and the fastest bus takes 46 min. The bus runs at least 2 times per hour from Ontario 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 10m
Duration
14 mi
Distance
$8
Average price
Every 30 minutes
Frequency

Ontario to Diamond Bar bus times

Buses run every 30 minutes between Ontario and Diamond Bar. The earliest departure is at 5:00 AM in the morning, and the last departure from Ontario is at 11:20 PM which arrives into Diamond Bar at 4:25 AM. All services require a transfer, and take on average 1h 10m. The schedules shown below are for the next available departures.

Departing Sunday, November 15, 2026

  •  → 

    OmnitransFoothill Transit1h 13m • 1 change
  •  → 

    OmnitransFoothill Transit52 min • 1 change
  •  → 

    OmnitransFoothill Transit1h 10m • 1 change
  •  → 

    OmnitransFoothill Transit49 min • 1 change
  • Show more

Departing Monday, November 16, 2026

  •  → 

    OmnitransFoothill Transit1h 6m • 1 change
  •  → 

    OmnitransFoothill Transit52 min • 1 change
  •  → 

    OmnitransFoothill Transit1h 2m • 1 change
  •  → 

    OmnitransFoothill Transit1h 8m • 1 change
  • Show more

Departing Tuesday, November 17, 2026

  •  → 

    OmnitransFoothill Transit1h 6m • 1 change
  •  → 

    OmnitransFoothill Transit52 min • 1 change
  •  → 

    OmnitransFoothill Transit1h 2m • 1 change
  •  → 

    OmnitransFoothill Transit1h 8m • 1 change
  • Show more

Departing Wednesday, November 18, 2026

  •  → 

    OmnitransFoothill Transit1h 6m • 1 change
  •  → 

    OmnitransFoothill Transit52 min • 1 change
  •  → 

    OmnitransFoothill Transit1h 2m • 1 change
  •  → 

    OmnitransFoothill Transit1h 8m • 1 change
  • Show more

Departing Thursday, November 19, 2026

  •  → 

    OmnitransFoothill Transit1h 6m • 1 change
  •  → 

    OmnitransFoothill Transit52 min • 1 change
  •  → 

    OmnitransFoothill Transit1h 2m • 1 change
  •  → 

    OmnitransFoothill Transit1h 8m • 1 change
  • Show more

Departing Friday, November 20, 2026

  •  → 

    OmnitransFoothill Transit1h 6m • 1 change
  •  → 

    OmnitransFoothill Transit52 min • 1 change
  •  → 

    OmnitransFoothill Transit1h 2m • 1 change
  •  → 

    OmnitransFoothill Transit1h 8m • 1 change
  • Show more

Departing Saturday, November 21, 2026

  •  → 

    OmnitransFoothill Transit1h 17m • 1 change
  •  → 

    OmnitransFoothill Transit1h 14m • 1 change
  •  → 

    OmnitransFoothill Transit46 min • 1 change
  •  → 

    OmnitransFoothill Transit1h 1m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Ontario 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 Ontario to Diamond Bar.ExpandLaunch map view
  • Distance: 13.6 mi
  • Duration: 1h 10m

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

You can take a bus from Holt @ Lemon to Diamond Bar Blvd and Sunset Crossing Rd via Pomona Transit Center in around 1h 12m.

Operators