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

Return flights

11 May - 23 May	Lufthansa
18 May - 07 Jun	KLM
19 May - 07 Jun	KLM
27 May - 07 Jun	KLM
24 May - 07 Jun	KLM
15 May - 23 May	Lufthansa
25 May - 07 Jun	KLM
11 May - 25 May	Lufthansa
29 May - 07 Jun	KLM
06 May - 13 May	KLM
05 May - 13 May	KLM
05 May - 12 May	SWISS
08 May - 13 May	KLM
12 May - 27 May	Lufthansa
13 May - 27 May	Lufthansa
04 May - 12 May	KLM
18 May - 04 Jun	KLM
21 May - 04 Jun	KLM
28 May - 02 Jun	KLM
17 May - 02 Jun	KLM

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

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 May from 558€

Return flights