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

Return flights

30 Dec - 24 Jan	Cathay Pacific
26 Dec - 16 Jan	Cathay Pacific
31 Dec - 12 Jan	Cathay Pacific
25 Dec - 31 Dec	Cathay Pacific
28 Dec - 02 Jan	Cathay Pacific
26 Dec - 28 Dec	Kenya Airways
24 Dec - 30 Dec	Cathay Pacific
25 Dec - 02 Jan	Qatar Airways
30 Dec - 08 Jan	Etihad Airways
30 Dec - 12 Jan	Kenya Airways
31 Dec - 11 Jan	Kenya Airways
30 Dec - 11 Jan	Kenya Airways
30 Dec - 10 Jan	Etihad Airways
30 Dec - 31 Dec	Kenya Airways
24 Dec - 31 Dec	Air Tanzania

Also check the deals for one-way flights from Johannesburg to Bangkok 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 Bangkok in December from $797

Return flights