AirHint found the following cheapest return flights from London (LCY) to Johannesburg (JNB) in April 2026 (see full year).

Return flights

28 Apr - 05 May	SWISS
20 Apr - 22 May	SWISS
27 Apr - 22 May	Lufthansa
15 Apr - 22 Apr	SWISS
02 Apr - 13 Apr	KLM
16 Apr - 07 May	SWISS
02 Apr - 21 Apr	KLM
01 Apr - 22 Apr	KLM
08 Apr - 22 Apr	KLM
05 Apr - 19 Apr	KLM
26 Apr - 05 May	SWISS
09 Apr - 23 Apr	KLM
12 Apr - 26 Apr	KLM
13 Apr - 13 May	SWISS
16 Apr - 23 Apr	SWISS
02 Apr - 12 Apr	KLM
22 Apr - 16 May	KLM

Also check the deals for one-way flights from London to Johannesburg in April.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Johannesburg in April from $934

Return flights