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

Return flights

15 Sep - 30 Sep	Lufthansa
24 Sep - 30 Sep	Turkish Airlines
25 Sep - 30 Sep	Turkish Airlines
22 Sep - 30 Sep	Turkish Airlines
25 Sep - 08 Oct	Turkish Airlines
22 Sep - 26 Sep	Turkish Airlines
20 Sep - 14 Oct	Turkish Airlines
20 Sep - 01 Oct	Turkish Airlines
03 Sep - 10 Sep	KLM
22 Sep - 03 Oct	Turkish Airlines
04 Sep - 08 Sep	KLM
17 Sep - 24 Sep	Qatar Airways
15 Sep - 22 Sep	Qatar Airways
08 Sep - 15 Sep	Qatar Airways
21 Sep - 10 Oct	Turkish Airlines
27 Sep - 11 Oct	Qatar Airways
18 Sep - 02 Oct	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.

Book a cheap hotel in Cape Town

Cheap car rent in Cape Town

Cheapest return flights from Dublin to Cape Town in September from $740

Return flights