Private tours
Your own guide, your own pace, priced per group rather than per person on most listings.
Prices run from €36 to €423, and half of the 16 priced listings cost €230 or less. Most take 2 hours to 8 hours. The best reviewed with at least 100 reviews is Bilbao: Exclusive Private Walking Tour (4.6 from 130 reviews).
For the operators we researched and recommend, see our food tours and cooking classes in San Sebastián, or the experiences overview.