The average bus between Ontario and Irwindale takes 1h 38m and the fastest bus takes 1h 17m. There is a bus service every few hours from Ontario to Irwindale. 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 Irwindale. The earliest departure is at 5:57 AM in the morning, and the last departure from Ontario is at 8:20 PM which arrives into Irwindale at 10:13 PM. All services require a transfer, and take on average 1h 38m. The schedules shown below are for the next available departures.

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Want to know about travelling from Ontario to Irwindale? 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 Irwindale. However, there are services departing from Ontario station and arriving at Irwindale station via Montclair Transit Center. The journey, including transfers, takes approximately 1h 38m.
Ontario to Irwindale bus services, operated by Omnitrans, depart from Mountain @ Holt station.
Ontario to Irwindale bus services, operated by Omnitrans, arrive at Arrow Hwy and Irwindale Ave W station.
The distance between Ontario and Irwindale is 26.5 km. The road distance is 32 km.
You can take a bus from Mountain @ Holt to Arrow Hwy and Irwindale Ave W via Montclair Transit Center in around 1h 35m.