AirHint found the following cheapest return flights from Newark (EWR) to Casablanca (CMN) in September 2025 (see full year).

Return flights

27 Sep - 31 Oct	Air Canada
17 Sep - 24 Sep	Air Canada
24 Sep - 14 Oct	Delta
16 Sep - 25 Sep	Delta
27 Sep - 03 Oct	Air Canada
09 Sep - 18 Sep	Delta
27 Sep - 08 Oct	Air Canada
15 Sep - 22 Sep	Delta
17 Sep - 22 Sep	Delta
10 Sep - 22 Sep	Delta
23 Sep - 27 Oct	TAP
13 Sep - 20 Sep	Delta
17 Sep - 23 Sep	Air Canada
22 Sep - 26 Sep	Delta
27 Sep - 28 Oct	TAP
30 Sep - 05 Oct	Delta
11 Sep - 18 Sep	Delta
30 Sep - 08 Oct	Lufthansa
30 Sep - 04 Oct	Turkish Airlines
27 Sep - 18 Oct	Air Canada

Also check the deals for one-way flights from Newark to Casablanca in September.

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 Newark to Casablanca in September from $437

Return flights