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

Return flights

05 May - 15 May	EgyptAir
10 May - 24 May	EgyptAir
06 May - 25 May	EgyptAir
04 May - 11 May	EgyptAir
01 May - 08 May	EgyptAir
13 May - 18 May	EgyptAir
01 May - 10 May	EgyptAir
14 May - 18 May	EgyptAir
17 May - 24 May	EgyptAir
03 May - 20 May	EgyptAir
20 May - 05 Jun	EgyptAir
09 May - 19 Jun	EgyptAir
31 May - 15 Jun	EgyptAir
27 May - 01 Jun	EgyptAir
25 May - 01 Jun	EgyptAir
23 May - 14 Jun	EgyptAir
12 May - 11 Jun	RwandAir
19 May - 02 Jun	RwandAir
12 May - 02 Jun	RwandAir
24 May - 06 Jun	RwandAir

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 520€

Return flights