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

Return flights

10 Sep - 25 Sep	Ryanair
16 Sep - 26 Sep	Ryanair
10 Sep - 24 Sep	Ryanair
13 Sep - 24 Sep	Ryanair
13 Sep - 23 Sep	Ryanair
14 Sep - 23 Sep	Pegasus Airlines
14 Sep - 28 Sep	Pegasus Airlines
11 Sep - 21 Sep	Ryanair
07 Sep - 15 Sep	Pegasus Airlines
20 Sep - 30 Sep	Ryanair
16 Sep - 01 Oct	Ryanair
19 Sep - 05 Oct	Pegasus Airlines
18 Sep - 06 Oct	Pegasus Airlines
21 Sep - 12 Oct	Ryanair
24 Sep - 06 Oct	Ryanair
20 Sep - 02 Oct	Pegasus Airlines
15 Sep - 11 Oct	Pegasus Airlines
13 Sep - 14 Oct	Pegasus Airlines
15 Sep - 01 Oct	Ryanair
27 Sep - 02 Oct	Ryanair

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 605€

Return flights