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

Return flights

07 Sep - 20 Sep	KLM
07 Sep - 21 Sep	KLM
11 Sep - 21 Sep	KLM
10 Sep - 23 Sep	KLM
05 Sep - 13 Sep	KLM
05 Sep - 14 Sep	KLM
22 Sep - 12 Oct	Turkish Airlines
23 Sep - 12 Oct	FlySafair
23 Sep - 11 Oct	FlySafair
26 Sep - 11 Oct	Turkish Airlines
10 Sep - 12 Oct	FlySafair
10 Sep - 14 Sep	SA Airlink
10 Sep - 11 Oct	FlySafair
19 Sep - 26 Sep	FlySafair
02 Sep - 25 Oct	KLM
16 Sep - 17 Oct	KLM
12 Sep - 27 Sep	KLM
06 Sep - 11 Sep	FlySafair

Also check the deals for one-way flights from Cape Town to Dublin 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 Dublin in September from $676

Return flights