Cheap flights from London to Johannesburg from £362

The cheapest month to fly to Johannesburg from London is in May. Flight prices, which tend to average around £563, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Johannesburg from London during November instead. Flights to Johannesburg in November, while not as cheap as those in May, still average around £575.

On average, the least expensive day to fly to Johannesburg from London is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £717. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £752. These prices are subject to change though, so be sure to set up a Price Alert for flights to Johannesburg.

The cheapest time of day to fly to Johannesburg is in the evening when flights can be purchased for as low as £732. Flights to Johannesburg are more costly in the afternoon, with an average ticket price of £735. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Heathrow to Johannesburg OR Tambo for the best London - Johannesburg flight prices

You are more likely to see cheaper flights to Johannesburg from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Johannesburg for around £681 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Johannesburg from London for as low as £643 on momondo.

Qatar Airways, Air Algerie, and Etihad Airways are the most popular carriers operating from London to Johannesburg

British Airways, Virgin Atlantic and RwandAir are the top three most popular airlines that fly to Johannesburg from London according to our data. British Airways is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Johannesburg. Keep in mind that there are 19 different airlines that fly to Johannesburg on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between London and Johannesburg have experienced a delay on any given week. The average delay length over the past 12 months has been 125 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

As of April 2026, 9 flights take off from London and land in Johannesburg each day. The most common flight departure time for this route is 19:00, with 100% of daily flights taking off in the evening.

As of April 2026, there are 69 flights per week flying from London to Johannesburg. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.