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

Return flights

02 Sep - 10 Sep	Ryanair
07 Sep - 14 Sep	Ryanair
02 Sep - 09 Sep	Ryanair
22 Sep - 05 Oct	Ryanair
02 Sep - 16 Sep	Ryanair
19 Sep - 30 Sep	Pegasus Airlines
05 Sep - 17 Sep	Pegasus Airlines
04 Sep - 17 Sep	Ryanair
09 Sep - 02 Oct	Ryanair
08 Sep - 15 Sep	Ryanair
15 Sep - 30 Sep	Ryanair
03 Sep - 14 Sep	Ryanair
22 Sep - 06 Oct	Ryanair
09 Sep - 04 Oct	Ryanair
08 Sep - 04 Oct	Ryanair
08 Sep - 05 Oct	Ryanair
15 Sep - 16 Oct	Ryanair
15 Sep - 09 Oct	Ryanair
15 Sep - 14 Oct	Ryanair
14 Sep - 16 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 669€

Return flights