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

Return flights

07 May - 11 May	EgyptAir
07 May - 18 May	EgyptAir
08 May - 29 May	EgyptAir
24 May - 07 Jun	EgyptAir
24 May - 08 Jun	EgyptAir
29 May - 10 Jun	EgyptAir
27 May - 03 Jun	EgyptAir
27 May - 10 Jun	EgyptAir
25 May - 08 Jun	EgyptAir
07 May - 04 Jun	KLM
06 May - 21 May	KLM
08 May - 21 May	KLM
27 May - 09 Jun	Etihad Airways
14 May - 23 May	Kenya Airways
23 May - 30 May	Kenya Airways
26 May - 09 Jun	KLM
01 May - 05 May	Kenya Airways
21 May - 28 May	Kenya Airways
02 May - 17 May	KLM
07 May - 04 Jun	Virgin Atlantic	direct

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 $718

Return flights