The average bus between Irvine and San Marino takes 4h 13m and the fastest bus takes 2h 54m. The bus service runs several times per day from Irvine to San Marino. 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 5 times a day between Irvine and San Marino. The earliest departure is at 5:45 AM in the morning, and the last departure from Irvine is at 11:45 PM which arrives into San Marino at 8:56 AM. All services require a transfer at Artic - Dock 4 and take an average of 4h 13m. The schedules shown below are for the next available departures.



2h 54m • 3 changes


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3h 34m • 3 changes


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3h 16m • 3 changesArrives next day



3h 21m • 3 changes


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3h 16m • 3 changesWant to know about travelling from Irvine to San Marino? 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 Irvine to San Marino. However, there are services departing from Main-Harvard station and arriving at Los Angeles Union Station via Artic - Dock 4 station. The journey, including transfers, takes approximately 4h 13m.
Irvine to San Marino bus services, operated by OCTA, depart from Main-Harvard station.
Irvine to San Marino bus services, operated by Greyhound USA, arrive at Los Angeles Union Station.
The distance between Irvine and San Marino is 56.6 km. The road distance is 72 km.
You can take a bus from Main-Harvard to Huntington / San Marino via Artic - Dock 4, Anaheim Regional Transportation Intermodal Center, Los Angeles Union Station, Cesar Chavez Transit Pavilion, and Huntington / Maycrest in around 3h 40m.