There are 3 ways to get from Sarnia to St. Marys by train, bus (Flixbus), or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Sarnia to St. Marys by train
Questions & Answers
The cheapest way to get from Sarnia to St. Marys is to bus which costs $18 - $35 and takes 3h.
The fastest way to get from Sarnia to St. Marys is to drive which takes 1h 30m and costs $23 - $35.
No, there is no direct bus from Sarnia to St. Marys. However, there are services departing from Sarnia and arriving at St Marys via London. The journey, including transfers, takes approximately 3h.
Yes, there is a direct train departing from Sarnia and arriving at St. Marys. Services depart once daily, and operate every day. The journey takes approximately 2h 5m.
The distance between Sarnia and St. Marys is 129 km. The road distance is 121.3 km.
The best way to get from Sarnia to St. Marys without a car is to train which takes 2h 5m and costs $30 - $230.
The train from Sarnia to St. Marys takes 2h 5m including transfers and departs once daily.
Sarnia to St. Marys bus services, operated by Flixbus USA, depart from Sarnia station.
Sarnia to St. Marys train services, operated by VIA Rail, depart from Sarnia station.
The best way to get from Sarnia to St. Marys is to train which takes 2h 5m and costs $30 - $230. Alternatively, you can bus, which costs $18 - $35 and takes 3h.
What companies run services between Sarnia, ON, Canada and St. Marys, ON, Canada?
VIA Rail operates a train from Sarnia to St. Marys once daily. Tickets cost $30–230 and the journey takes 2h 5m. Alternatively, you can take a bus from Sarnia to St Marys via London in around 3h.
- Phone
- +1 888 842-7245
- Website
- VIA Rail
Train from Sarnia to St. Marys
- Ave. Duration
- 2h 5m
- Frequency
- Once daily
- Estimated price
- $30–230
- Website
- VIA Rail
- Escape
- $30–100
- Business
- $75–210
- Business Plus
- $90–230
- Economy
- $30–110
- Economy Plus
- $35–120
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from Sarnia to London
- Ave. Duration
- 1h 25m
- Frequency
- 4 times a day
- Estimated price
- $13–23
- Schedules at
- Flixbus USA
Bus from London to St Marys
- Ave. Duration
- 35 min
- Frequency
- Twice daily
- Estimated price
- $5–10
- Schedules at
- Flixbus USA
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More Questions & Answers
Sarnia to St. Marys bus services, operated by Flixbus USA, arrive at London station.
Sarnia to St. Marys train services, operated by VIA Rail, arrive at St. Marys station.
Yes, the driving distance between Sarnia to St. Marys is 121 km. It takes approximately 1h 30m to drive from Sarnia to St. Marys.
Book your Sarnia to St. Marys train tickets online with Omio.
Book your Sarnia to St. Marys bus tickets online with FlixBus.
There are 42+ hotels available in St. Marys.






