The average bus between Monrovia and Ontario takes 2h 38m and the fastest bus takes 1h 47m. There is a bus service every few hours from Monrovia to Ontario. 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 Monrovia and Ontario. The earliest departure is at 4:55 AM at night, and the last departure from Monrovia is at 7:55 PM which arrives into Ontario at 5:41 AM. All services require a transfer at El Monte Station Upper Level and take an average of 2h 38m. The schedules shown below are for the next available departures.


1h 47m • 2 changes


2h 19m • 2 changes


2h 14m • 2 changes


2h 14m • 2 changes


1h 47m • 2 changes


2h 19m • 2 changes


2h 14m • 2 changes


2h 14m • 2 changes


1h 47m • 2 changes


2h 19m • 2 changes


2h 14m • 2 changes


2h 14m • 2 changes
Want to know about travelling from Monrovia to Ontario? 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 Monrovia to Ontario. However, there are services departing from Monrovia station and arriving at Ontario station via El Monte Station Lower Level station. The journey, including transfers, takes approximately 2h 38m.
Monrovia to Ontario bus services, operated by Foothill Transit, depart from Primrose Ave and Lime Ave station.
Monrovia to Ontario bus services, operated by Foothill Transit, arrive at Holt @ Palm station.
The distance between Monrovia and Ontario is 33.4 km. The road distance is 53 km.
You can take a bus from Primrose Ave and Lime Ave to Holt @ Palm via El Monte Station Upper Level and Pomona Transit Center in around 2h 20m.