AirHint found the following cheapest return flights from Dublin (DUB) to Cape Town (CPT) in September 2026 (see full year).

Return flights

28 Sep - 12 Oct	Kenya Airways
22 Sep - 06 Oct	Kenya Airways
26 Sep - 10 Oct	Kenya Airways
11 Sep - 25 Sep	Kenya Airways
15 Sep - 01 Oct	Kenya Airways
25 Sep - 15 Oct	Kenya Airways
01 Sep - 14 Sep	Qatar Airways
10 Sep - 15 Sep	Turkish Airlines
15 Sep - 22 Sep	Qatar Airways
01 Sep - 16 Sep	Qatar Airways
01 Sep - 15 Sep	Qatar Airways
25 Sep - 02 Oct	Qatar Airways
19 Sep - 26 Sep	Ryanair
04 Sep - 13 Sep	Qatar Airways
14 Sep - 18 Sep	Qatar Airways

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 589€

Return flights