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

Return flights

19 Sep - 03 Oct	Pegasus Airlines
19 Sep - 10 Oct	Pegasus Airlines
22 Sep - 28 Oct	Pegasus Airlines
22 Sep - 27 Oct	AJet
21 Sep - 28 Oct	Pegasus Airlines
24 Sep - 13 Oct	Pegasus Airlines
23 Sep - 08 Oct	Ethiopian Airlines
27 Sep - 12 Oct	Ryanair
30 Sep - 05 Oct	Ryanair
30 Sep - 03 Oct	Ryanair
20 Sep - 24 Sep	Ethiopian Airlines
20 Sep - 25 Sep	Ethiopian Airlines
24 Sep - 29 Sep	KLM
20 Sep - 26 Sep	Ethiopian Airlines
23 Sep - 30 Sep	Ryanair
21 Sep - 24 Sep	Ethiopian Airlines
19 Sep - 26 Sep	Pegasus Airlines
19 Sep - 27 Sep	Pegasus Airlines
23 Sep - 29 Sep	Wizz Air UK
19 Sep - 24 Sep	Jet2

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 573€

Return flights