The average bus between Ontario and Monrovia takes 2h 39m and the fastest bus takes 1h 56m. There is a bus service every few hours from Ontario to Monrovia. 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 Monrovia. The earliest departure is at 5:00 AM in the morning, and the last departure from Ontario is at 11:20 PM which arrives into Monrovia at 6:12 AM. All services require a transfer at Pomona Transit Center and take an average of 2h 39m. The schedules shown below are for the next available departures.


2h 19m • 2 changes


2h 12m • 2 changes


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2h 31m • 2 changes


2h 19m • 2 changes


2h 12m • 2 changes


2h 20m • 2 changes


2h 31m • 2 changes


2h 19m • 2 changes


2h 12m • 2 changes


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2h 31m • 2 changes
Want to know about travelling from Ontario to Monrovia? 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 Monrovia. However, there are services departing from Ontario station and arriving at Monrovia station via Pomona Transit Center. The journey, including transfers, takes approximately 2h 39m.
Ontario to Monrovia bus services, operated by Omnitrans, depart from Holt @ Lemon station.
Ontario to Monrovia bus services, operated by Omnitrans, arrive at Primrose Ave and Lime Ave station.
The distance between Ontario and Monrovia is 33.4 km. The road distance is 54 km.
You can take a bus from Holt @ Lemon to Primrose Ave and Lime Ave via Pomona Transit Center and El Monte Station Lower Level in around 2h 57m.