This operator can help select your international flights, but you'll have to book them yourself help
Fly to/from Abeid Amani Karume Airport (ZNZ - Check price) on Zanzibar. Or fly to/from Dar es Salaam (DAR - Check price) . There are daily ferries between Dar es Salaam and Zanzibar.
A transfer from and back to the airport can be arranged for an extra cost
Additional accommodation before and at the end of the tour can be arranged for an extra cost
We did a five-day safari with Serengeti African Tours, and it was an incredible experience from start to finish. Our luggage was missing due to an airline issue, but Safina took care of everything and even managed to have it delivered to us...