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

Return flights

19 Sep - 21 Sep	KLM
19 Sep - 02 Oct	KLM
19 Sep - 07 Oct	KLM
19 Sep - 04 Oct	KLM
23 Sep - 15 Oct	KLM
17 Sep - 24 Sep	Kenya Airways
28 Sep - 05 Oct	Ryanair
28 Sep - 03 Oct	Ryanair
28 Sep - 13 Oct	Ryanair
22 Sep - 10 Oct	Ryanair
24 Sep - 05 Oct	Ryanair
21 Sep - 28 Sep	KLM
29 Sep - 12 Oct	Etihad Airways
22 Sep - 28 Sep	KLM
24 Sep - 26 Sep	Kenya Airways
14 Sep - 29 Sep	EgyptAir
18 Sep - 25 Sep	Ryanair
17 Sep - 26 Sep	Kenya Airways
17 Sep - 27 Sep	Kenya Airways
20 Sep - 30 Sep	KLM

Also check the deals for one-way flights from Dublin 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 Dublin to Cape Town in September from 602€

Return flights