Also bookable on Viator, 1 to 120 of 214
The same city on Viator (Tripadvisor's marketplace), top rated first: a third place to compare dates and prices.
Prices run from EUR3 to EUR1195, and half of the 214 priced listings cost EUR48 or less. Most take 2 hours to 3 hours. The best reviewed with at least 100 reviews is Walking tour of Cologne: The essential and unmissable (4.9 from 201 reviews). The most reviewed is Cologne City Tour Experience cathedral city on the Rhine (982 reviews).
For the operators we researched and recommend, see our food tours and cooking classes in Cologne, or the experiences overview.