AirHint found the following cheapest return flights from Washington (IAD) to Casablanca (CMN) in May 2026 (see full year).
Return flights
| 01 May - 20 May | Turkish Airlines | ||
| 01 May - 20 May | Royal Air Maroc | direct | |
| 24 May - 15 Jun | TAP | ||
| 24 May - 15 Jun | Royal Air Maroc | direct | |
| 24 May - 21 Jun | Lufthansa | ||
| 31 May - 30 Jun | Aer Lingus |
Also check the deals for one-way flights from Washington to Casablanca in May.
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