Most safaris start and stop at Kilimanjaro international airport. This is the international airport closest to the northern circuit of National Parks. Haydom Safaris can pick you up at the airport and drop you off after your visit.
Other options is to start and stop in Arusha, safari capital of Tanzania. If you are planning to stay at Haydom Lutheran Hospital, Haydom Safaris can depart from Haydom or bring you there at the end of your trip. Haydom Safaris can also arrange transfers without a safari.