The average bus between Ontario and Irvine takes 3h 54m and the fastest bus takes 2h 56m. There is a bus service every few hours from Ontario to Irvine. 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 Irvine. The earliest departure is at 5:45 AM in the morning, and the last departure from Ontario is at 9:32 PM which arrives into Irvine at 5:42 AM. All services require a transfer at Pomona Transit Center and take an average of 3h 54m. The schedules shown below are for the next available departures.


3h 31m • 2 changes


3h 28m • 2 changes


2h 56m • 2 changes


3h 3m • 2 changes


3h 24m • 2 changes


3h 34m • 2 changes


3h 27m • 2 changes


3h 16m • 2 changes


3h 38m • 2 changes


3h 36m • 2 changes


3h 42m • 2 changes


3h 41m • 2 changes


3h 38m • 2 changes


3h 36m • 2 changes


3h 42m • 2 changes


3h 41m • 2 changes
Want to know about travelling from Ontario to Irvine? 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 Irvine. However, there are services departing from Ontario station and arriving at Irvine station via Brea Mall. The journey, including transfers, takes approximately 3h 54m.
Ontario to Irvine bus services, operated by Omnitrans, depart from Pomona Transit Center station.
Ontario to Irvine bus services, operated by Omnitrans, arrive at Campus-University Center station.
The distance between Ontario and Irvine is 46.6 km. The road distance is 76 km.
You can take a bus from Holt @ Lemon to Campus-University Center via Pomona Transit Center, Brea Mall, and Ring-Brea Mall in around 4h 16m.