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

Return flights

23 Jun - 23 Jul	Air Canada
25 Jun - 09 Jul	Iberia
25 Jun - 17 Jul	Lufthansa
24 Jun - 10 Jul	Air France
28 Jun - 30 Jun	Air France
20 Jun - 01 Jul	Air France
22 Jun - 28 Jun	Air France
16 Jun - 28 Jun	Lufthansa
17 Jun - 28 Jun	Lufthansa
17 Jun - 23 Jun	Lufthansa
19 Jun - 23 Jun	Lufthansa
20 Jun - 05 Jul	Air France
17 Jun - 24 Jun	Lufthansa
18 Jun - 31 Jul	United
16 Jun - 30 Jun	Delta
18 Jun - 30 Jun	Delta
20 Jun - 30 Jun	Air France
16 Jun - 10 Jul	Delta
18 Jun - 31 Jul	Royal Air Maroc	direct
24 Jun - 10 Jul	Royal Air Maroc	direct

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

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 June from $644

Return flights