AirHint found the following cheapest return flights from Dublin (DUB) to Johannesburg (JNB) in December 2025 (see full year).

Return flights

31 Dec - 28 Jan	KLM
01 Dec - 14 Dec	Lufthansa
04 Dec - 28 Dec	Lufthansa
29 Dec - 29 Jan	KLM
09 Dec - 23 Dec	Lufthansa
07 Dec - 28 Dec	Lufthansa
06 Dec - 28 Dec	Lufthansa
07 Dec - 16 Dec	Etihad Airways
07 Dec - 14 Dec	Kenya Airways
06 Dec - 14 Dec	Lufthansa
29 Dec - 11 Jan	KLM
02 Dec - 12 Dec	Air France
29 Dec - 12 Jan	KLM
02 Dec - 04 Dec	Lufthansa
11 Dec - 16 Jan	Kenya Airways
06 Dec - 12 Jan	Air France
16 Dec - 27 Jan	KLM
10 Dec - 07 Jan	Kenya Airways
31 Dec - 09 Jan	Kenya Airways
16 Dec - 16 Jan	KLM

Also check the deals for one-way flights from Dublin to Johannesburg 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 Dublin to Johannesburg in December from $680

Return flights