A food tour in Venice is basically a guided walk that stops at a handful of bars and small places for cicchetti (those little Venetian snacks), a glass of wine, and some explanation of what you're eating. Expect to spend about three hours on your feet, sampling 6–10 different bites and drinks while weaving through neighborhoods. It's social and informative rather than a full sit-down meal. You'll get a better sense of local flavors and customs than wandering alone, but it won't be the most relaxing afternoon. Crowds and narrow streets mean it's not very private; you'll usually be in a small group of 6–12 people.
Best time is spring (April–June) or fall (September–October) when the weather is decent and the city isn't at peak summer crush. Summer tours can feel sweaty and rushed. Expect to pay around €80–€130 per person depending on the length, group size, and how many wine pours are included. It's not cheap, but it can replace both lunch and an aperitivo.
Pick a tour that focuses on cicchetti and wine rather than one promising a heavy sit-down meal; the standing-bar style is the authentic Venetian experience. Skip tours that hit only tourist-heavy spots near San Marco—look for ones heading into Cannaregio or Dorsoduro instead. If you're short on time or on a tight budget, you're often better off doing a self-guided crawl with a good map and a few recommendations.