AirHint found the following cheapest return flights from Lisbon (LIS) to Johannesburg (JNB) in August 2025 (see full year).

Return flights

17 Aug - 15 Sep	KLM
28 Aug - 06 Sep	KLM
06 Aug - 13 Aug	KLM
05 Aug - 12 Aug	Air France
27 Aug - 05 Sep	Iberia
29 Aug - 12 Sep	Iberia
30 Aug - 15 Sep	KLM
16 Aug - 31 Aug	KLM
09 Aug - 16 Aug	KLM
29 Aug - 13 Sep	KLM
06 Aug - 20 Aug	KLM
05 Aug - 19 Aug	KLM
02 Aug - 13 Sep	Air France
17 Aug - 23 Aug	KLM
11 Aug - 22 Aug	KLM
23 Aug - 30 Aug	Air France
02 Aug - 05 Aug	KLM

Also check the deals for one-way flights from Lisbon to Johannesburg in August.

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 Lisbon to Johannesburg in August from 659€

Return flights