This operator can help select your international flights, but you'll have to book them yourself help
Fly to/from Kilimanjaro Airport (JRO - Check price) near Arusha. Or fly to/from Arusha Airport (ARK - Check price) via Dar es Salaam or Nairobi (Kenya)
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 was lucky enough to have a work trip to Arusha in Tanzania in mid December and followed this with a three day safari to Tarangire and Lake Manyara National Parks and the Ngorongoro Conservation Area. All of this was arranged by Moses...