The bus between St. Marys and Sarnia takes 4h 35m. The bus runs, on average, 6 times per week from St. Marys to Sarnia. 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 6 times a week between St. Marys and Sarnia. The earliest departure is at 5:15 PM in the evening, and the last departure from St. Marys is at 5:15 PM which arrives into Sarnia at 9:50 PM. All services require a transfer, and take on average 4h 35m. The schedules shown below are for the next available departures.
Want to know about travelling from St. Marys to Sarnia? 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 St. Marys to Sarnia. However, there are services departing from St. Marys station and arriving at Sarnia station via London. The journey, including transfers, takes approximately 4h 35m.
St. Marys to Sarnia bus services, operated by Flixbus USA, depart from St Marys station.
St. Marys to Sarnia bus services, operated by Flixbus USA, arrive at Sarnia station.
Book your St. Marys to Sarnia bus tickets online with Flixbus USA.
The distance between St. Marys and Sarnia is 107.1 km. The road distance is 140 km.
You can take a bus from St Marys to Sarnia via London in around 3h.