The cheapest London to Cape Town return flight on the radar right now is £604, flying with Kenya Airways via one or more connections. It covers departures in March 2027, and every dated link below opens that exact LHR–CPT search on Skyscanner. The price we usually record on this route is £617. Across 100 recorded checks it has ranged between £504 and £726. Our sampling points to March 2027 as the cheapest month to fly London to Cape Town.
Every fare here is re-confirmed against Skyscanner automatically, and each one is stamped with the moment it was last checked, so you can see how fresh it is instead of taking it on trust. Not flying from London? We track 57 other departure cities for Cape Town, listed at the foot of this page.
Fares move quickly. If this London to Cape Town price has gone by the time you search, shift the dates a day or two either side, because the same route is often still cheap just next door.