AirHint found the following cheapest return flights from Johannesburg (HLA) to London (LGW) in December 2025 (see full year).

Return flights

01 Dec - 13 Jan	FlySafair
24 Dec - 14 Jan	FlySafair
23 Dec - 13 Jan	FlySafair
22 Dec - 13 Jan	FlySafair
23 Dec - 07 Jan	FlySafair
30 Dec - 06 Jan	FlySafair
15 Dec - 29 Dec	FlySafair
18 Dec - 24 Dec	FlySafair
17 Dec - 03 Jan	FlySafair
27 Dec - 03 Jan	FlySafair
04 Dec - 20 Dec	FlySafair
03 Dec - 17 Dec	FlySafair

Also check the deals for one-way flights from Johannesburg to London in December.

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 Johannesburg to London in December from $791

Return flights