Also bookable on Viator, 1 to 120 of 530
The same city on Viator (Tripadvisor's marketplace), top rated first: a third place to compare dates and prices.
Prices run from USD1 to USD2700, and half of the 530 priced listings cost USD77 or less. Most take 2 hours to 3 hours. The best reviewed with at least 100 reviews is Art Institute of Chicago Skip-the-Line Exclusive Guided Tour (5.0 from 361 reviews). The most reviewed is Chicago Architecture River Cruise (17,181 reviews).
For the operators we researched and recommend, see our food tours and cooking classes in Chicago, or the experiences overview.