Several major international airlines fly to Kilimanjaro International Airport, including KLM Royal Dutch Airlines from Europe (Amsterdam), Turkish Airlines from Turkey (Istanbul) and Qatar Airways from the Middle East (Doha).
There are also flights operated by major African airlines including Ethiopian Airlines (Addis Ababa), a member of the Start Alliance group, and Kenyan Airways (Nairobi).
As there are no direct flights from the US, and only one direct flight from Europe, most travellers will connect via one of the above cities. Most major international airlines will be able to offer such codeshare connecting flights.
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