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

Return flights

23 Sep - 30 Sep	Air France
26 Sep - 03 Oct	Kenya Airways
25 Sep - 02 Oct	Ethiopian Airlines
28 Sep - 17 Oct	TAAG Angola Airlines
24 Sep - 01 Oct	KLM
28 Sep - 26 Oct	KLM
29 Sep - 06 Oct	TAAG Angola Airlines
30 Sep - 07 Oct	Kenya Airways
23 Sep - 29 Sep	SWISS
24 Sep - 29 Sep	SWISS
21 Sep - 28 Sep	Air France
27 Sep - 04 Oct	Air France
22 Sep - 29 Sep	Kenya Airways
19 Sep - 26 Sep	Kenya Airways
20 Sep - 27 Sep	Kenya Airways
28 Sep - 05 Oct	TAAG Angola Airlines
25 Sep - 11 Oct	SWISS
24 Sep - 26 Sep	SWISS

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

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 Johannesburg to Lisbon in September from 616€

Return flights