The average bus between Lake Forest and San Ysidro takes 3h 40m and the fastest bus takes 2h 41m. The bus service runs several times per day from Lake Forest to San Ysidro. 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 Lake Forest and San Ysidro. The earliest departure is at 5:00 AM in the morning, and the last departure from Lake Forest is at 11:30 PM which arrives into San Ysidro at 5:06 AM. All services require a transfer at Santa Ana-Santiago and take an average of 3h 40m. The schedules shown below are for the next available departures.


3h 8m • 2 changes
Arrives next day


3h 13m • 2 changes


3h 30m • 2 changes


3h 11m • 2 changes


3h 26m • 2 changes


3h 13m • 2 changes


3h 30m • 2 changes


3h 13m • 2 changes


3h 30m • 2 changes


3h 13m • 2 changes


3h 30m • 2 changes
Want to know about travelling from Lake Forest to San Ysidro? 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 San Ysidro. However, there are services departing from Lake Forest station and arriving at San Ysidro station via San Ysidro. The journey, including transfers, takes approximately 3h 40m.
Lake Forest to San Ysidro bus services, operated by OCTA, depart from Santa Ana station.
Lake Forest to San Ysidro bus services, operated by OCTA, arrive at San Ysidro station.
The distance between Lake Forest and San Ysidro is 135.8 km. The road distance is 202 km.
Limousine Express operates a bus from Santa Ana to San Ysidro 5 times a day, and the journey takes 1h 50m. Four other operators also service this route.