Cheap flights from Johannesburg to London from £238

The cheapest month to fly to London from Johannesburg is in February. Flight prices, which tend to average around £540, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Johannesburg averaging around £550.

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £647. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Johannesburg to London for around £691.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £500. Flights in the evening are often more expensive, with an average ticket price of £664.

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

You are more likely to see cheaper flights to London from Johannesburg when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £624 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Johannesburg for as low as £610 on momondo.

There are 4 cabin classes available to choose from on Johannesburg to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Qatar Airways, Virgin Atlantic, and RwandAir are the most popular carriers operating from Johannesburg to London

British Airways, Virgin Atlantic and RwandAir are the top three most popular airlines that fly to London from Johannesburg according to our data. British Airways is the first choice among our users, with 42% of people opting to fly with this airline when travelling to London. Keep in mind that there are 13 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 5% of flights between Johannesburg and London have experienced a delay on any given week. The average delay length over the past 12 months has been 173 minutes.

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

Saturday 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 5% of their flights experiencing any sort of delay.

As of September 2026, 11 flights take off from Johannesburg and land in London each day. The most common flight departure time for this route is 20:00, with 100% of daily flights taking off in the evening.

As of September 2026, there are 78 flights per week flying from Johannesburg to London. The most common day of the week flights depart is Wed, with 15% of flights taking off on this day.