Also bookable on Viator, 1 to 120 of 608
The same city on Viator (Tripadvisor's marketplace), top rated first: a third place to compare dates and prices.
Prices run from CAD5 to CAD3200, and half of the 608 priced listings cost CAD157 or less. Most take 2 hours to 8 hours. The best reviewed with at least 100 reviews is Niagara Falls Private Custom Tour from Toronto Area (5.0 from 162 reviews). The most reviewed is Best of Niagara Falls Canada Premium Tour: Behind Falls and Boat (3,513 reviews).
For the operators we researched and recommend, see our food tours and cooking classes in Toronto, or the experiences overview.