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

Return flights

03 Dec - 15 Jan	jetBlue
10 Dec - 23 Dec	Kenya Airways
06 Dec - 13 Dec	Qatar Airways
25 Dec - 26 Jan	jetBlue
24 Dec - 25 Jan	Delta
13 Dec - 28 Dec	Delta
22 Dec - 29 Dec	jetBlue
21 Dec - 28 Dec	jetBlue
21 Dec - 30 Dec	Kenya Airways
24 Dec - 06 Jan	British Airways
12 Dec - 27 Dec	Qatar Airways
25 Dec - 30 Dec	Qatar Airways
12 Dec - 06 Jan	Air Canada
20 Dec - 28 Dec	jetBlue
24 Dec - 30 Dec	Qatar Airways
28 Dec - 03 Jan	Qatar 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 $1309

Return flights