Also bookable on Viator
The same city on Viator (Tripadvisor's marketplace), top rated first: a third place to compare dates and prices.
Prices run from USD7 to USD300, and half of the 47 priced listings cost USD39 or less. Most take 1 hour to 2 hours. The best reviewed with at least 100 reviews is Haunted History Walking Tour of Providence (4.9 from 156 reviews). The most reviewed is Discover Providence Guided Sightseeing Tour (409 reviews).
For the operators we researched and recommend, see our food tours and cooking classes in Providence, or the experiences overview.