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

Return flights

18 Aug - 25 Sep	KLM
19 Aug - 26 Sep	KLM
03 Aug - 10 Sep	Air Canada
12 Aug - 12 Sep	British Airways
17 Aug - 26 Sep	KLM
18 Aug - 25 Aug	Delta
09 Aug - 19 Sep	KLM
14 Aug - 21 Aug	Delta
11 Aug - 18 Aug	Delta
07 Aug - 14 Aug	Air France
08 Aug - 15 Aug	Air France
10 Aug - 17 Aug	Air France
12 Aug - 20 Aug	KLM
19 Aug - 26 Aug	KLM
11 Aug - 25 Aug	KLM
17 Aug - 31 Aug	Delta
15 Aug - 26 Sep	British Airways
20 Aug - 29 Sep	British Airways
27 Aug - 29 Sep	British Airways
08 Aug - 10 Sep	British Airways

Also check the deals for one-way flights from Washington to Casablanca in August.

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 August from 622€

Return flights