Cheap flights from Johannesburg OR Tambo Airport to London from $323

The cheapest month to fly to London from Johannesburg OR Tambo Airport is in February. Flight prices, which tend to average around $728, 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 OR Tambo Airport averaging around $742.

The cheapest day to depart from Johannesburg OR Tambo Airport to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $1,045. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,187. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

You are more likely to see cheaper flights to London from Johannesburg OR Tambo Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $842 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Johannesburg OR Tambo Airport for as low as $811 on momondo.

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

You could potentially save up to 2% on your flight if you consider stops on a Johannesburg OR Tambo Airport to London flight.

Qatar Airways, Etihad Airways, and SWISS are the most popular carriers operating from Johannesburg OR Tambo to London

British Airways, RwandAir and Emirates are the top three most popular airlines that fly to London from Johannesburg OR Tambo Airport according to our data. British Airways is the first choice among our users, with 57% of people opting to fly with this airline when traveling to London. Keep in mind that there are 7 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 172 minutes.

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

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

Algiers (ALG) was the most common stop: 29% of momondo users choosing 1-stop flights on this route connected there.

Flights via Algiers (ALG) offer the lowest average round-trip price of $506.

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 14h 00m.

Dubai (DXB) has the shortest average layover time for this route: 1h 20m.

As of August 2026, there are 12 flights per day flying from Johannesburg OR Tambo Airport to London. The most common time of day flights depart is 8:00PM, with 100% of flights taking off in the evening.

The number of flights available between Johannesburg OR Tambo Airport and London is 84 per week as of August 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.