If Possible, you'll want to let 3-5h of transit time in Johannesburg, so you have ample the perfect time to catch your connecting flight. Transiting in Johannesburg is quite easy; only follow the signals for ‘Worldwide Transit’. The flight from Johannesburg to Harare usually takes about 1h 30m. Require assist https://www.theluxurybooking.co.uk/flights-to-zimbabwe-from-london/