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

Return flights

05 Mar - 15 Mar	KLM
03 Mar - 15 Mar	KLM
06 Mar - 15 Mar	KLM
01 Mar - 15 Mar	KLM
01 Mar - 11 Mar	KLM
04 Mar - 11 Mar	KLM
03 Mar - 11 Mar	KLM
10 Mar - 12 Mar	SWISS
09 Mar - 11 Mar	SWISS
09 Mar - 23 Mar	KLM
31 Mar - 28 Apr	KLM
02 Mar - 29 Apr	Lufthansa
13 Mar - 05 Apr	Kenya Airways
13 Mar - 07 Apr	Kenya Airways
12 Mar - 07 Apr	Kenya Airways
20 Mar - 04 Apr	Kenya Airways
20 Mar - 05 Apr	Kenya Airways
31 Mar - 26 Apr	KLM
17 Mar - 05 Apr	Kenya Airways
20 Mar - 30 Apr	Kenya Airways

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

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 March from 534€

Return flights