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

Return flights

08 Mar - 15 Mar	TAP
15 Mar - 22 Mar	TAP
04 Mar - 11 Mar	TAP
13 Mar - 20 Mar	TAP
12 Mar - 19 Mar	TAP
30 Mar - 05 Apr	TAP
25 Mar - 31 Mar	Delta
25 Mar - 03 Apr	Delta
27 Mar - 02 Apr	Delta
19 Mar - 26 Mar	TAP
20 Mar - 27 Mar	TAP
08 Mar - 15 Mar	Royal Air Maroc	direct
04 Mar - 11 Mar	Royal Air Maroc	direct
25 Mar - 03 Apr	Royal Air Maroc	direct
30 Mar - 05 Apr	Royal Air Maroc	direct

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

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 Casablanca to Washington in March from $518

Return flights