The average bus between Ottawa and Niagara Falls takes 7h 38m and the fastest bus takes 7h 5m. The bus service runs several times per day from Ottawa to Niagara Falls. 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 Ottawa and Niagara Falls. The earliest departure is at 1:00 AM at night, and the last departure from Ottawa is at 12:30 PM which arrives into Niagara Falls at 8:05 PM. All services require a transfer at Toronto and take an average of 7h 38m. The schedules shown below are for the next available departures.

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Want to know about travelling from Ottawa to Niagara Falls? 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 Ottawa to Niagara Falls. However, there are services departing from Ottawa station and arriving at Niagara Falls station via Toronto. The journey, including transfers, takes approximately 7h 38m.
Ottawa to Niagara Falls bus services, operated by Flixbus USA, depart from Ottawa station.
Ottawa to Niagara Falls bus services, operated by Flixbus USA, arrive at Niagara Falls, ON station.
Book your Ottawa to Niagara Falls bus tickets online with Flixbus USA, Megabus Canada and Orléans Express.
The distance between Ottawa and Niagara Falls is 371.3 km. The road distance is 560 km.
You can take a bus from Ottawa to Niagara Falls, ON via Toronto and Toronto Union Station in around 8h 25m.