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

Return flights

27 Oct - 04 Nov	Air Canada
17 Oct - 05 Nov	Air Canada
08 Oct - 15 Oct	Turkish Airlines
08 Oct - 17 Oct	Turkish Airlines
13 Oct - 19 Oct	TAP
13 Oct - 20 Oct	TAP
22 Oct - 26 Oct	TAP
05 Oct - 31 Oct	Turkish Airlines
05 Oct - 24 Oct	Turkish Airlines
17 Oct - 26 Oct	TAP
17 Oct - 24 Oct	Turkish Airlines
10 Oct - 17 Oct	Turkish Airlines
03 Oct - 18 Nov	Turkish Airlines
01 Oct - 03 Nov	TAP
17 Oct - 05 Nov	Royal Air Maroc	direct

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

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 October from $582

Return flights