AirHint found the following cheapest return flights from Duesseldorf (DUS) to Cape Town (CPT) in September 2025 (see full year).

Return flights

28 Sep - 19 Oct	Turkish Airlines
11 Sep - 25 Sep	KLM
01 Sep - 14 Sep	KLM
01 Sep - 15 Sep	KLM
14 Sep - 28 Sep	KLM
12 Sep - 28 Sep	KLM
11 Sep - 14 Sep	KLM
27 Sep - 04 Oct	KLM
06 Sep - 31 Oct	KLM
30 Sep - 17 Oct	KLM
09 Sep - 23 Sep	KLM
30 Sep - 21 Oct	KLM
02 Sep - 22 Sep	Turkish Airlines
26 Sep - 25 Oct	KLM
13 Sep - 27 Sep	KLM
14 Sep - 27 Sep	KLM

Also check the deals for one-way flights from Duesseldorf to Cape Town 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 Duesseldorf to Cape Town in September from 617€

Return flights