The cost of a safari from Zanzibar to the Serengeti will depend on a variety of factors, including the type of safari you choose, the length of the safari, the level of accommodation, and the safari company you choose. Here are some approximate price ranges to give you an idea:

• A one-day driving safari from Arusha to the Serengeti can cost around $300-$500 per person.
• A 3-4 day budget camping safari can cost around $600-$1000 per person.
• A 5-7 day mid-range lodge safari can cost around $2000-$3000 per person.
• A luxury safari, which includes private accommodations and exclusive game drives, can cost upwards of $5000 per person for a 5-7 day trip.

These prices are estimates and can vary depending on the safari company and package you choose, as well as the time of year you visit. It's important to research and compares different safari companies and packages to find the best option for your budget and preferences. Additionally, keep in mind that the cost of flights and transportation to and from Zanzibar will also need to be factored into your budget