Preferably, you'll want to let three-5h of transit time in Johannesburg, so that you've enough time for you to capture your connecting flight. Transiting in Johannesburg is very effortless; simply Keep to the signs for ‘Intercontinental Transit’. The flight from Johannesburg to Harare requires about 1h 30m. Need enable picking https://www.theluxurybooking.co.uk/flights-to-zimbabwe-from-london/