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 booked a 3 day tour in Serengeti and Ngorongoro and it was worth the 600$ I paid for it. I literally got to see every single animal there is in these parks, including the big 5. The jeep was comfy, the tents and camping spaces were...