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

Return flights

02 Sep - 03 Oct	Air France
01 Sep - 30 Sep	Delta
30 Sep - 08 Oct	TAP
02 Sep - 28 Oct	Delta
15 Sep - 16 Oct	KLM
16 Sep - 26 Sep	Delta
15 Sep - 22 Oct	KLM
01 Sep - 29 Sep	TAP
29 Sep - 21 Oct	Norse Atlantic Airways
25 Sep - 02 Oct	TAP
21 Sep - 28 Sep	TAP
04 Sep - 25 Sep	Delta
04 Sep - 18 Sep	Delta
07 Sep - 05 Oct	Delta
04 Sep - 10 Sep	Delta
12 Sep - 22 Sep	TAP
12 Sep - 17 Oct	TAP
01 Sep - 18 Oct	TAP
12 Sep - 16 Sep	KLM
18 Sep - 27 Sep	TAP

Also check the deals for one-way flights from New York 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 New York to Casablanca in September from 376€

Return flights