There are main way to get to Tanzania and manyh airports to fly to depending on your itinerary. However, the main airport of Dar es Salaam is easiy accessed with BA direct or with Kenya Airways via Niarobi (useful to combine Kenya safaris with one of the Tanzania dive resort islands).
DEPARTURE AIRPORTS
Heathrow
Manchester
when to go
The main rainy season is from May through to July, any time out side of this is great.
OVERVIEW 