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

Return flights

20 Sep - 28 Sep	KLM
17 Sep - 24 Sep	KLM
11 Sep - 24 Sep	KLM
21 Sep - 28 Sep	KLM
15 Sep - 02 Oct	KLM
09 Sep - 16 Sep	KLM
22 Sep - 25 Oct	KLM
18 Sep - 16 Oct	KLM
08 Sep - 14 Sep	KLM
08 Sep - 16 Sep	KLM
23 Sep - 25 Oct	KLM
24 Sep - 25 Oct	KLM
24 Sep - 01 Oct	KLM
14 Sep - 21 Sep	KLM
08 Sep - 15 Sep	KLM
20 Sep - 29 Sep	KLM
27 Sep - 05 Oct	Vueling Airlines
19 Sep - 04 Oct	KLM
30 Sep - 07 Oct	Ryanair
05 Sep - 07 Oct	Ryanair

Also check the deals for one-way flights from Barcelona 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.

Book a cheap hotel in Cape Town

Cheap car rent in Cape Town

Cheapest return flights from Barcelona to Cape Town in September from $719

Return flights