The average bus between Altadena and Ontario takes 3h 27m and the fastest bus takes 2h 38m. There is a bus service every few hours from Altadena 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 Altadena and Ontario. The earliest departure is at 12:01 AM at night, and the last departure from Altadena is at 9:16 PM which arrives into Ontario at 5:41 AM. All services require a transfer at Lake / Colorado and take an average of 3h 27m. The schedules shown below are for the next available departures.



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2h 38m • 3 changes


3h • 3 changes


2h 55m • 3 changes


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2h 55m • 3 changes


2h 55m • 3 changesWant to know about travelling from Altadena 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 Altadena to Ontario. However, there are services departing from Colorado / Lake station and arriving at Pomona Transit Center station via El Monte Station - Lower Level. The journey, including transfers, takes approximately 3h 27m.
Altadena to Ontario bus services, operated by Metro Los Angeles, depart from Colorado / Lake station.
Altadena to Ontario bus services, operated by Foothill Transit, arrive at Pomona Transit Center station.
The distance between Altadena and Ontario is 46.4 km. The road distance is 53 km.
You can take a bus from Altadena / Lake to Holt @ Palm via Lake / Colorado, Colorado / Lake, El Monte Station - Lower Level, El Monte Station Upper Level, and Pomona Transit Center in around 3h 20m.