Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Terry Fox / Centrum | Sarnia - Bayside Terminal | Cheapest | ||||
| Bus | Bayshore Mall-Ottawa | Sarnia - Bayside Terminal | Fastest | ||||
| Bus | Ottawa (VIA Rail) | Sarnia - Bayside Terminal | No tags | ||||
| Bus | Ottawa | Sarnia - Bayside Terminal | No tags | ||||
| Bus | Bayshore Mall-Ottawa | Sarnia - Bayside Terminal | No tags |
Last refresh of the prices: Today at 3:09 PM EST.
Compare 3 ways to go from Ottawa to Sarnia
Among the sustainable travel choices, the carpool stands out as the good way to reach Sarnia. The journey takes about 8 hours 30 minutes and with fares starting at just $79, it presents an excellent value for a comfortable ride.
Compare bus companies
Flixbus is a European bus operator that offers intercity and bus travel in over 38 countries. Known for their easy-to-spot lime green buses and for offering affordable transportation between cities in Europe and the Americas, Flixbus is a good option for those looking for an affordable, reliable bus company. In their buses, you'll find free WiFi, bathrooms, and power outlets. You can also pay extra to choose your seat and get extra legroom, or even buy a snack or drink onboard directly from the driver. You can reschedule your ticket for a small fee, which varies from $1 to $5, depending on how close you are to the departure date.
Frequently asked questions about traveling from Ottawa, CA to Sarnia by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Ottawa to Sarnia?
The cheapest bus tickets from Ottawa to Sarnia start from $53. The average price for this route is around $85. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Ottawa to Sarnia?
The average bus trip duration from Ottawa to Sarnia is 15h 5m, covering a distance of 376 miles (607 km). The quickest bus can get you there in 14h 20m and is operated by FlixBus.
Which bus companies service the Ottawa to Sarnia route?
Several major train operators operate on this route with 4 trains available per day.
What is the earliest and latest departure time for the bus from Ottawa to Sarnia?
The earliest bus departs from Ottawa to Sarnia at 12:25am. And the latest bus departs at 11:59pm.
What are the CO₂ emissions for the bus trip from Ottawa to Sarnia?
A bus trip from Ottawa to Sarnia generates an estimated 15 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Ottawa, CA to Sarnia was searched and found on Nov 29, 2025 with a price of $68To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Ottawa, CA to Sarnia, as early as possible.
You can expect to pay from $68 to $82 for a bus ticket from Ottawa, CA to Sarnia based on the last 2 days. You can expect to find the cheapest price for the trip at $68 which is on 2025-11-29.
