There are 4 ways to get from Sarnia to St. Thomas by train, bus, 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.
Train, bus
best- Take the train from Sarnia to Londontrain VIA Rail
- Take the bus from London to St Thomasbus FlixBus 2702
2h 57m$29–219Bus (Flixbus)
cheapest- Take the bus from Sarnia to Londonbus FlixBus 2710 / ...
- Take the bus from London to St Thomasbus FlixBus 2702
3h 20m$20–130Drive 114 km
- Drive from Sarnia to St. Thomascar 114 km
1h 16m$23–32Bus via York at Wellington WB - #2976
- Take the bus from Sarnia, ON - Bayside Terminal to London, ON - Downtownbus London
- Take the bus from London to St Thomasbus FlixBus 2702
4h 2m$23–136
Sarnia to St. Thomas by train, foot, and bus
Questions & Answers
The cheapest way to get from Sarnia to St. Thomas is to drive which costs $22 - $35 and takes 1h 16m.
The fastest way to get from Sarnia to St. Thomas is to drive which takes 1h 16m and costs $22 - $35.
No, there is no direct bus from Sarnia to St. Thomas. However, there are services departing from Sarnia and arriving at St Thomas via London. The journey, including transfers, takes approximately 3h 20m.
The distance between Sarnia and St. Thomas is 122 km. The road distance is 114 km.
The best way to get from Sarnia to St. Thomas without a car is to train and bus which takes 2h 57m and costs $28 - $220.
It takes approximately 2h 57m to get from Sarnia to St. Thomas, including transfers.
Sarnia to St. Thomas bus services, operated by Flixbus USA, depart from Sarnia station.
Sarnia to St. Thomas bus services, operated by Flixbus USA, arrive at London station.
Yes, the driving distance between Sarnia to St. Thomas is 114 km. It takes approximately 1h 16m to drive from Sarnia to St. Thomas.
Book your Sarnia to St. Thomas bus tickets online with Omio and FlixBus.
What companies run services between Sarnia, ON, Canada and St. Thomas, ON, Canada?
You can take a bus from Sarnia to St Thomas via London in around 3h 20m.
- Phone
- +1 888 842-7245
- Website
- viarail.ca
Train from Sarnia to London
- Ave. Duration
- 1h 12m
- Frequency
- Once daily
- Estimated price
- $22–110
- Website
- https://www.viarail.ca/en
- Economy Adult - same day booking
- $23–110
- Economy Adult - Advanced Booking
- $23–85
- Economy Escape Advanced Booking - Adult
- $22–40
- Phone
- +1 (855) 626-8585
- Website
- flixbus.com
Bus from London to St Thomas
- Ave. Duration
- 40 min
- Frequency
- Twice a week
- Estimated price
- $6–110
- Schedules at
- flixbus.com
- Adult
- $6–110
Bus from Sarnia to London
- Ave. Duration
- 1h 40m
- Frequency
- Twice daily
- Estimated price
- $14–21
- Schedules at
- flixbus.com
- Phone
- 519 787 1055
- Website
- strathroy-caradoc.ca
Bus from Sarnia, ON - Bayside Terminal to London, ON - Downtown
- Ave. Duration
- 2h
- Frequency
- 3 times a day
- Estimated price
- $17–24
- Schedules at
- https://www.strathroy-caradoc.ca/en/living-here/transit.aspx
- Road Adult
- $17–24
Want to know more about travelling around the world?
Rome2Rio's Travel Guide series provide vital information for the global traveller. Read our range of informative guides on popular transport routes and companies - including Italy Travel Guides, How do I get from Sydney to Melbourne, and Need to know: Greyhound - to help you get the most out of your next trip.
More Questions & Answers
There are 67+ hotels available in St. Thomas.






