The average bus between Ontario and Fullerton takes 3h 23m and the fastest bus takes 2h 3m. The bus service runs several times per day from Ontario to Fullerton. 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 Ontario and Fullerton. The earliest departure is at 5:42 AM in the morning, and the last departure from Ontario is at 9:32 PM which arrives into Fullerton at 5:12 AM. All services require a transfer at Pomona Transit Center and take an average of 3h 23m. The schedules shown below are for the next available departures.


2h 3m • 2 changes

2h 35m • 2 changes

2h 29m • 2 changes

2h 14m • 2 changes

2h 42m • 2 changes

2h 31m • 2 changes

2h 25m • 2 changes

2h 8m • 2 changes

2h 21m • 2 changes

2h 24m • 2 changes

2h 8m • 2 changes

2h 37m • 2 changesWant to know about travelling from Ontario to Fullerton? 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 Fullerton. However, there are services departing from Holt @ Lemon station and arriving at Harbor-Commonwealth station via Pomona Transit Center station and Brea Mall station. The journey, including transfers, takes approximately 3h 23m.
Ontario to Fullerton bus services, operated by Omnitrans, depart from Holt @ Lemon station.
Ontario to Fullerton bus services, operated by OCTA, arrive at Harbor-Commonwealth station.
The distance between Ontario and Fullerton is 33.2 km. The road distance is 40 km.
You can take a bus from Holt @ Lemon to Harbor-Commonwealth via Pomona Transit Center, Brea Mall, and Ring-Brea Mall in around 3h 3m.