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

Return flights

10 Dec - 21 Jan	British Airways
10 Dec - 25 Jan	British Airways
02 Dec - 23 Dec	Delta
24 Dec - 16 Jan	British Airways
02 Dec - 16 Dec	British Airways
22 Dec - 26 Dec	Delta
05 Dec - 19 Dec	British Airways
19 Dec - 02 Jan	Delta
07 Dec - 17 Dec	British Airways
26 Dec - 03 Jan	British Airways

Also check the deals for one-way flights from Washington to Casablanca 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 Casablanca in December from 533€

Return flights