The average bus between Ontario and Brea takes 1h 28m and the fastest bus takes 1h 11m. There is a bus service every few hours from Ontario to Brea. 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 Ontario and Brea. The earliest departure is at 5:45 AM in the morning, and the last departure from Ontario is at 9:32 PM which arrives into Brea at 11:01 PM. All services require a transfer, and take on average 1h 28m. The schedules shown below are for the next available departures.

1h 20m • 1 change

1h 29m • 1 change

1h 35m • 1 change

1h 21m • 1 change

1h 20m • 1 change

1h 29m • 1 change

1h 35m • 1 change

1h 21m • 1 change

1h 11m • 1 change

1h 27m • 1 change

1h 25m • 1 change

1h 20m • 1 change
Want to know about travelling from Ontario to Brea? 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 Ontario to Brea. However, there are services departing from Ontario station and arriving at Brea station via Pomona Transit Center. The journey, including transfers, takes approximately 1h 28m.
Ontario to Brea bus services, operated by Omnitrans, depart from Holt @ Lemon station.
Ontario to Brea bus services, operated by Omnitrans, arrive at State College Blvd and Birch St S station.
The distance between Ontario and Brea is 28.2 km. The road distance is 34 km.
You can take a bus from Holt @ Lemon to State College Blvd and Birch St S via Pomona Transit Center in around 2h 1m.