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

Return flights

01 Dec - 11 Dec	Kenya Airways
06 Dec - 13 Dec	Qatar Airways
05 Dec - 17 Dec	British Airways
25 Dec - 29 Jan	British Airways
10 Dec - 24 Dec	British Airways
13 Dec - 28 Dec	Delta
28 Dec - 24 Jan	British Airways
23 Dec - 30 Dec	British Airways
14 Dec - 23 Dec	British Airways
12 Dec - 27 Dec	British Airways
12 Dec - 08 Jan	British Airways
15 Dec - 09 Jan	British Airways
19 Dec - 04 Jan	Frontier Airlines
23 Dec - 05 Jan	British Airways
19 Dec - 03 Jan	Frontier Airlines
20 Dec - 28 Jan	British Airways
21 Dec - 29 Dec	British Airways
25 Dec - 01 Jan	British Airways
12 Dec - 06 Jan	British Airways

Also check the deals for one-way flights from Washington 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 Washington to Johannesburg in December from 1036€

Return flights