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 is included
Additional accommodation before and at the end of the tour can be arranged for an extra cost
I have dealt with a lot of operators. Promised Land (Mary) listened to what I needed, gave constructive feedback and delivered a quality tour with the right guy. She was even there to see me off and make sure all went well. Great...