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

Return flights

29 May - 23 Jun	KLM
29 May - 14 Jun	KLM
28 May - 14 Jun	KLM
28 May - 11 Jun	KLM
05 May - 12 May	KLM
07 May - 20 May	Lufthansa
04 May - 12 May	KLM
14 May - 17 May	SWISS
07 May - 12 May	Lufthansa
07 May - 28 May	Lufthansa
06 May - 20 May	SWISS
20 May - 27 May	Lufthansa
18 May - 28 May	Lufthansa
06 May - 13 May	KLM
18 May - 12 Jun	KLM
21 May - 02 Jun	KLM
29 May - 12 Jun	KLM
25 May - 06 Jun	KLM
21 May - 01 Jun	KLM
25 May - 01 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.

Book a cheap hotel in Johannesburg

Cheap car rent in Johannesburg

Cheapest return flights from London to Johannesburg in May from 557€

Return flights