The average bus between Irvine and Ontario takes 4h 21m and the fastest bus takes 3h 9m. The bus service runs several times per day from Irvine 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 twice daily between Irvine and Ontario. The earliest departure is at 9:08 AM in the morning, and the last departure from Irvine is at 8:58 PM which arrives into Ontario at 8:50 AM. All services require a transfer at Ring-Brea Mall and take an average of 4h 21m. The schedules shown below are for the next available departures.


4h 1m • 2 changes


4h 9m • 2 changes


4h 23m • 2 changes


4h 11m • 2 changes
Want to know about travelling from Irvine 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 Irvine to Ontario. However, there are services departing from Irvine station and arriving at Ontario station via Ring-Brea Mall. The journey, including transfers, takes approximately 4h 21m.
Irvine to Ontario bus services, operated by OCTA, depart from University-Ent 3773 Mariposa Villa station.
Irvine to Ontario bus services, operated by OCTA, arrive at Pomona Transit Center station.
Book your Irvine to Ontario bus tickets online with OCTA, Foothill Transit and Omnitrans.
The distance between Irvine and Ontario is 46.6 km. The road distance is 71 km.
You can take a bus from University-Ent 3773 Mariposa Villa to Holt @ Palm via Ring-Brea Mall, Brea Mall, and Pomona Transit Center in around 3h 55m.