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

Return flights

25 Sep - 02 Oct	Etihad Airways
30 Sep - 07 Oct	Flynas
16 Sep - 03 Oct	Flynas
18 Sep - 24 Sep	Flynas
27 Sep - 04 Oct	Etihad Airways
26 Sep - 03 Oct	Flynas
20 Sep - 03 Oct	Flynas
14 Sep - 23 Sep	Pegasus Airlines
25 Sep - 03 Oct	Flynas
29 Sep - 09 Oct	Flynas
18 Sep - 27 Sep	Flynas
18 Sep - 22 Sep	Flynas
20 Sep - 23 Sep	Etihad Airways
16 Sep - 23 Sep	Flynas
18 Sep - 30 Sep	AJet
19 Sep - 03 Oct	AJet
23 Sep - 30 Sep	Flynas
18 Sep - 25 Sep	Flynas
14 Sep - 25 Sep	Etihad Airways
29 Sep - 06 Oct	Flynas

Also check the deals for one-way flights from Riyadh 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 Riyadh to Casablanca in September from 346€

Return flights