The average train between Monrovia and San Diego takes 3h 57m and the fastest train takes 3h 39m. The train service runs several times per day from Monrovia to San Diego. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run 3 times a day between Monrovia and San Diego. The earliest departure is at 9:23 AM in the morning, and the last departure from Monrovia is at 11:56 PM which arrives into San Diego at 9:04 AM. All services require a transfer at Union Station - Metro A-Line and take an average of 3h 57m. The schedules shown below are for the next available departures.

3h 44m • 1 change

3h 44m • 1 change

3h 44m • 1 change

3h 46m • 1 change
Want to know about travelling from Monrovia to San Diego? 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 train from Monrovia to San Diego. However, there are services departing from Monrovia station and arriving at San Diego station via San Diego. The journey, including transfers, takes approximately 3h 57m.
Monrovia to San Diego train services, operated by Metro Los Angeles, depart from Los Angeles station.
Monrovia to San Diego train services, operated by Metro Los Angeles, arrive at San Diego station.
The distance between Monrovia and San Diego is 177.2 km. The road distance is 234 km.
Amtrak operates a train from Los Angeles to San Diego hourly. Tickets cost $35–85 and the journey takes 2h 57m.