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

Return flights

13 Apr - 18 May	KLM
15 Apr - 29 Apr	Kenya Airways
14 Apr - 17 May	Kenya Airways
15 Apr - 28 Apr	Kenya Airways
30 Apr - 14 May	Kenya Airways
15 Apr - 03 May	Kenya Airways
29 Apr - 02 May	Kenya Airways
21 Apr - 18 May	Kenya Airways
20 Apr - 11 May	KLM
22 Apr - 04 May	Kenya Airways
21 Apr - 28 Apr	Kenya Airways
13 Apr - 15 May	KLM
23 Apr - 29 Apr	ITA Airways
02 Apr - 26 Apr	KLM
13 Apr - 13 May	KLM
06 Apr - 26 Apr	KLM
20 Apr - 26 Apr	KLM
05 Apr - 21 Apr	KLM
02 Apr - 21 Apr	KLM
06 Apr - 16 Apr	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 719€

Return flights