The average bus between Santa Ana and Fontana takes 6h 15m and the fastest bus takes 3h 24m. There is at least one bus per day from Santa Ana to Fontana. 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 once daily between Santa Ana and Fontana. The earliest departure is at 9:25 AM in the morning, and the last departure from Santa Ana is at 11:53 PM which arrives into Fontana at 11:15 AM. All services require a transfer at Harbor-Katella and take an average of 6h 15m. The schedules shown below are for the next available departures.


3h 57m • 2 changes


3h 24m • 2 changes


3h 49m • 2 changes


4h 18m • 2 changes
Want to know about travelling from Santa Ana to Fontana? 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 Santa Ana to Fontana. However, there are services departing from Santa Ana station and arriving at Fontana station via San Bernardino. The journey, including transfers, takes approximately 6h 15m.
Santa Ana to Fontana bus services, operated by OCTA, depart from Katella + Harbor station.
Santa Ana to Fontana bus services, operated by OCTA, arrive at Sierra @ Merrill station.
The distance between Santa Ana and Fontana is 55.5 km. The road distance is 111 km.
You can take a bus from Civic Center-Main to Sierra @ Merrill via Harbor-Katella, Katella + Harbor, and San Bernardino in around 3h 59m.