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

Return flights

29 Apr - 06 May	TAP
24 Apr - 01 May	TAP
30 Apr - 15 May	TAP
30 Apr - 07 May	TAP
05 Apr - 13 Apr	KLM
08 Apr - 13 Apr	Air Canada
09 Apr - 14 Apr	Air Canada
03 Apr - 27 Apr	Lufthansa
03 Apr - 10 Apr	Lufthansa
03 Apr - 11 Apr	Air Canada
24 Apr - 01 May	Royal Air Maroc	direct
03 Apr - 27 Apr	Royal Air Maroc	direct
03 Apr - 10 Apr	Royal Air Maroc	direct
08 Apr - 13 Apr	Royal Air Maroc	direct
29 Apr - 06 May	Royal Air Maroc	direct
05 Apr - 13 Apr	Royal Air Maroc	direct

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

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 April from 429€

Return flights