The average bus between Rialto and Lake Forest takes 4h 11m and the fastest bus takes 3h 9m. The bus service runs several times per day from Rialto to Lake Forest. 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 every 3 hours between Rialto and Lake Forest. The earliest departure is at 5:19 AM in the morning, and the last departure from Rialto is at 11:06 PM which arrives into Lake Forest at 6:20 AM. All services require a transfer at San Bernardino and take an average of 4h 11m. The schedules shown below are for the next available departures.


4h 7m • 2 changes

3h 20m • 2 changes

3h 37m • 2 changes

3h 9m • 2 changes

4h 31m • 2 changes

3h 49m • 2 changes

3h 40m • 2 changes

3h 55m • 2 changes

3h 52m • 2 changes

3h 37m • 2 changes

3h 46m • 2 changes

3h 33m • 2 changesArrives next day


10h 17m • 2 changesArrives next day


9h 52m • 2 changes

4h 31m • 2 changes

3h 49m • 2 changes

3h 40m • 2 changes

3h 55m • 2 changes

4h 31m • 2 changes

3h 49m • 2 changes

3h 40m • 2 changes

3h 55m • 2 changesWant to know about travelling from Rialto to Lake Forest? 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 Rialto to Lake Forest. However, there are services departing from Rialto station and arriving at Lake Forest station via Harbor + Katella. The journey, including transfers, takes approximately 4h 11m.
Rialto to Lake Forest bus services, operated by Omnitrans, depart from San Bernardino station.
Rialto to Lake Forest bus services, operated by Omnitrans, arrive at Laguna Hills Trans Ctr Dock 6 station.
The distance between Rialto and Lake Forest is 59 km. The road distance is 128 km.
You can take a bus from Foothill @ Riverside Avenue to Laguna Hills Trans Ctr Dock 6 via San Bernardino, Harbor + Katella, and Katella-Harbor in around 4h 27m.