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

Return flights

24 Sep - 23 Oct	Air Canada
01 Sep - 02 Oct	Air Canada
23 Sep - 29 Sep	TAP
03 Sep - 19 Sep	TAP
03 Sep - 18 Sep	TAP
02 Sep - 17 Sep	TAP
04 Sep - 17 Oct	TAP
13 Sep - 18 Oct	TAP
02 Sep - 01 Oct	TAP
01 Sep - 10 Sep	TAP
01 Sep - 01 Oct	TAP
25 Sep - 09 Oct	TAP
02 Sep - 10 Oct	TAP
12 Sep - 26 Sep	TAP
05 Sep - 15 Sep	TAP
24 Sep - 06 Oct	TAP
03 Sep - 05 Oct	TAP
05 Sep - 13 Sep	TAP
05 Sep - 26 Sep	TAP
10 Sep - 20 Sep	TAP

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 $412

Return flights