The average bus between Costa Mesa and Brea takes 2h 6m and the fastest bus takes 1h 24m. The bus service runs several times per day from Costa Mesa 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 every 4 hours between Costa Mesa and Brea. The earliest departure is at 5:01 AM in the morning, and the last departure from Costa Mesa is at 8:56 PM which arrives into Brea at 10:46 PM. All services require a transfer, and take on average 2h 6m. The schedules shown below are for the next available departures.

2h 5m • 1 change
1h 57m • 1 change
1h 46m • 1 change
2h 5m • 1 changeWant to know about travelling from Costa Mesa 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 Costa Mesa to Brea. However, there are services departing from Harbor-Bernard station and arriving at Fullerton Trans Ctr Dock 2 station via Fullerton Trans Ctr Dock 2 station. The journey, including transfers, takes approximately 2h 6m.
Costa Mesa to Brea bus services, operated by OCTA, depart from Harbor-Bernard station.
Costa Mesa to Brea bus services, operated by OCTA, arrive at Fullerton Trans Ctr Dock 2 station.
The distance between Costa Mesa and Brea is 30.7 km. The road distance is 35 km.
OCTA operates a bus from Harbor-Bernard to Fullerton Trans Ctr Dock 2 every 30 minutes. Tickets cost $2 and the journey takes 1h 32m.