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

Return flights

25 Sep - 05 Oct	Emirates
26 Sep - 05 Oct	Emirates
24 Sep - 03 Oct	Emirates
25 Sep - 02 Oct	Emirates
30 Sep - 03 Oct	Emirates
26 Sep - 30 Oct	Emirates
28 Sep - 07 Oct	Ethiopian Airlines
27 Sep - 30 Oct	Emirates
24 Sep - 30 Sep	Ethiopian Airlines
23 Sep - 05 Oct	Emirates
30 Sep - 12 Oct	Emirates
18 Sep - 22 Sep	Kenya Airways
17 Sep - 22 Sep	Kenya Airways
17 Sep - 23 Sep	Ethiopian Airlines
23 Sep - 30 Sep	Emirates
17 Sep - 30 Sep	Qatar Airways
21 Sep - 28 Sep	FlySafair
25 Sep - 30 Sep	Turkish Airlines
18 Sep - 20 Sep	Qatar Airways
19 Sep - 22 Sep	Lufthansa

Also check the deals for one-way flights from Cape Town to London 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 Cape Town to London in September from 659€

Return flights