The average bus between St. Catharines and Ottawa takes 8h 29m and the fastest bus takes 8h. The bus service runs several times per day from St. Catharines to Ottawa. 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 St. Catharines and Ottawa. The earliest departure is at 7:30 AM in the morning, and the last departure from St. Catharines is at 8:30 PM which arrives into Ottawa at 5:50 AM. All services require a transfer at Toronto Union Station and take an average of 8h 29m. The schedules shown below are for the next available departures.

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Want to know about travelling from St. Catharines to Ottawa? 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. Catharines to Ottawa. However, there are services departing from St. Catharines station and arriving at Ottawa station via Toronto Union Station station. The journey, including transfers, takes approximately 8h 29m.
St. Catharines to Ottawa bus services, operated by Megabus Canada, depart from St. Catharines, ON - Bus Terminal station.
St. Catharines to Ottawa bus services, operated by Megabus Canada, arrive at Ottawa station.
Book your St. Catharines to Ottawa bus tickets online with Megabus Canada and Flixbus USA.
The distance between St. Catharines and Ottawa is 376.3 km. The road distance is 543 km.
You can take a bus from St. Catharines, ON - Bus Terminal to Ottawa via Toronto Union Station and Toronto in around 8h 18m.