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

Return flights

14 May - 25 May	EgyptAir
09 May - 24 May	EgyptAir
10 May - 17 May	EgyptAir
01 May - 10 May	EgyptAir
08 May - 31 May	EgyptAir
06 May - 25 May	EgyptAir
21 May - 07 Jun	EgyptAir
26 May - 15 Jun	EgyptAir
06 May - 13 May	EgyptAir
22 May - 31 May	EgyptAir
15 May - 31 May	EgyptAir
08 May - 18 May	EgyptAir
28 May - 07 Jun	EgyptAir
21 May - 07 Jun	British Airways	direct
28 May - 07 Jun	British Airways	direct
26 May - 15 Jun	British Airways	direct
16 May - 06 Jun	Etihad Airways
16 May - 06 Jun	British Airways	direct
30 May - 14 Jun	Kenya Airways

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 $733

Return flights