The average bus between Lake Forest and Ontario takes 3h 49m and the fastest bus takes 2h 58m. There is a bus service every few hours from Lake Forest 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 Lake Forest and Ontario. The earliest departure is at 4:30 AM at night, and the last departure from Lake Forest is at 9:00 PM which arrives into Ontario at 8:50 AM. All services require a transfer at Santa Ana and take an average of 3h 49m. The schedules shown below are for the next available departures.



3h 52m • 3 changes


3h 42m • 3 changes


3h 45m • 3 changes


3h 53m • 3 changes


2h 58m • 3 changes


3h • 3 changes


3h 10m • 3 changes


3h 11m • 3 changes


3h 51m • 3 changes


3h 26m • 3 changes


3h 31m • 3 changes


3h 32m • 3 changes


2h 58m • 3 changes


3h • 3 changes


3h 10m • 3 changes


3h 11m • 3 changesWant to know about travelling from Lake Forest 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 Lake Forest to Ontario. However, there are services departing from Lake Forest station and arriving at Ontario station via Ring-Brea Mall. The journey, including transfers, takes approximately 3h 49m.
Lake Forest to Ontario bus services, operated by OCTA, depart from The Depot At Santa Ana Dock 3 station.
Lake Forest to Ontario bus services, operated by OCTA, arrive at Pomona Transit Center station.
The distance between Lake Forest and Ontario is 46.4 km. The road distance is 72 km.
You can take a train from Irvine to Holt @ Palm via Santa Ana, The Depot At Santa Ana Dock 3, Ring-Brea Mall, Brea Mall, and Pomona Transit Center in around 3h 51m.