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

Return flights

09 Sep - 16 Sep	KLM
08 Sep - 16 Sep	KLM
08 Sep - 15 Sep	KLM
17 Sep - 30 Sep	Ethiopian Airlines
22 Sep - 04 Oct	TAAG Angola Airlines
22 Sep - 08 Oct	TAAG Angola Airlines
22 Sep - 06 Oct	TAAG Angola Airlines
09 Sep - 15 Sep	SWISS
28 Sep - 07 Oct	TAAG Angola Airlines
26 Sep - 06 Oct	Ethiopian Airlines
02 Sep - 09 Sep	KLM
21 Sep - 26 Sep	Ethiopian Airlines
27 Sep - 06 Oct	Ethiopian Airlines
19 Sep - 26 Sep	KLM
13 Sep - 23 Sep	FlySafair
10 Sep - 24 Sep	KLM
17 Sep - 01 Oct	Emirates

Also check the deals for one-way flights from Cape Town to Barcelona 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 Cape Town to Barcelona in September from $660

Return flights