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

Return flights

22 Sep - 13 Oct	Wizz Air UK
22 Sep - 06 Oct	Wizz Air UK
23 Sep - 03 Oct	AJet
20 Sep - 10 Oct	Wizz Air UK
22 Sep - 05 Oct	Pegasus Airlines
18 Sep - 10 Oct	Pegasus Airlines
24 Sep - 06 Oct	Pegasus Airlines
17 Sep - 10 Oct	Pegasus Airlines
18 Sep - 06 Oct	AJet
19 Sep - 12 Oct	Wizz Air UK
22 Sep - 29 Sep	KLM
20 Sep - 27 Sep	Ethiopian Airlines
23 Sep - 30 Sep	KLM
23 Sep - 29 Sep	KLM
21 Sep - 30 Sep	KLM
18 Sep - 26 Sep	KLM
19 Sep - 25 Sep	KLM
18 Sep - 25 Sep	KLM
21 Sep - 29 Sep	KLM
25 Sep - 30 Sep	KLM

Also check the deals for one-way flights from London 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 London to Cape Town in September from $694

Return flights