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

Return flights

04 Dec - 11 Dec	British Airways
15 Dec - 22 Dec	Delta
05 Dec - 12 Dec	Qatar Airways
05 Dec - 17 Dec	Qatar Airways
10 Dec - 15 Dec	Qatar Airways
30 Dec - 08 Jan	jetBlue
08 Dec - 08 Jan	KLM
08 Dec - 12 Dec	Emirates
22 Dec - 04 Jan	Frontier Airlines
25 Dec - 02 Jan	Air Canada
23 Dec - 01 Jan	Delta
26 Dec - 02 Jan	Air Canada
21 Dec - 04 Jan	jetBlue
21 Dec - 03 Jan	jetBlue
24 Dec - 01 Jan	British Airways
26 Dec - 05 Jan	Air Canada
13 Dec - 28 Dec	Qatar Airways
13 Dec - 29 Dec	Qatar Airways

Also check the deals for one-way flights from Washington to Cape Town 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 Cape Town in December from $1449

Return flights