Ideally, You ought to enable three-5h of transit time in Johannesburg, so that you have enough time to catch your connecting flight. Transiting in Johannesburg is very straightforward; basically Adhere to the symptoms for ‘International Transit’. The flight from Johannesburg to Harare requires about 1h 30m. Fares are subject matter https://www.theluxurybooking.co.uk/flights-to-zimbabwe-from-london/