Cheap flights from London Heathrow Airport to Johannesburg from $494

The cheapest month to fly to Johannesburg from London Heathrow Airport is in May. Flight prices, which tend to average around $757, are often lower during this time because this is during the off-season. The month of June is another great option to travel to Johannesburg, with average flight prices from London Heathrow Airport averaging around $789.

According to our data, Monday is the cheapest day to fly to Johannesburg from London Heathrow Airport. The lowest ticket price found for a Monday departure recently was $1,034. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Johannesburg on Saturday is $1,271.

In the evening is the cheapest time of day to fly from London Heathrow Airport to Johannesburg when you can find flight prices for as low as $1,155. Flying to Johannesburg in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Johannesburg is in the afternoon when prices are around $1,192.

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

You are more likely to see cheaper flights to Johannesburg from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Johannesburg for around $908 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Johannesburg from London Heathrow Airport for as low as $856 on momondo.

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

SWISS and Qatar Airways are the most popular carriers operating from London Heathrow to Johannesburg

British Airways, Virgin Atlantic and RwandAir are the top three most popular airlines that fly to Johannesburg from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Johannesburg. Keep in mind that there are 9 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 121 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

11 flights are operational daily from London Heathrow Airport to Johannesburg as of March 2026. The most popular departure time for this route is 6:00PM, with 100% of flights per day taking off in the evening.

79 flights are operational weekly from London Heathrow Airport to Johannesburg as of March 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.