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

Return flights

01 Dec - 11 Dec	Turkish Airlines
06 Dec - 13 Dec	Turkish Airlines
13 Dec - 28 Dec	Ethiopian Airlines
13 Dec - 27 Dec	Turkish Airlines
13 Dec - 29 Dec	Ethiopian Airlines
10 Dec - 26 Dec	British Airways
26 Dec - 04 Jan	Turkish Airlines
23 Dec - 30 Dec	Ethiopian Airlines
12 Dec - 06 Jan	Ethiopian Airlines
28 Dec - 03 Jan	Ethiopian Airlines
22 Dec - 04 Jan	Ethiopian Airlines
26 Dec - 02 Jan	Ethiopian Airlines
26 Dec - 03 Jan	Turkish Airlines
21 Dec - 03 Jan	Ethiopian Airlines
17 Dec - 11 Jan	Qatar Airways
20 Dec - 05 Jan	Ethiopian Airlines
19 Dec - 02 Jan	Ethiopian Airlines
01 Dec - 05 Dec	Delta

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 $890

Return flights