This operator can book your international flights 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 booked a last minute day trip walking through Arusha National Park with Joseph. Everything was taking care of by him. And well communicated. I'd definitely recommend Rioba Safaris to other travellers.