Cheapest return flights from Washington to Casablanca in May from $922

AirHint found the following cheapest return flights from Washington (IAD) to Casablanca (CMN) in May 2026 (see full year).

Return flights

22 May - 15 Jun TAP
24 May - 15 Jun TAP
22 May - 15 Jun Royal Air Maroc direct
24 May - 21 Jun United

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

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