AirHint found the following cheapest return flights from St. John's (YYT) to Casablanca (CMN) in September 2025 (see full year).

Return flights

23 Sep - 15 Oct	WestJet
30 Sep - 22 Oct	WestJet
16 Sep - 23 Sep	WestJet
23 Sep - 06 Oct	WestJet
24 Sep - 15 Oct	WestJet
15 Sep - 23 Sep	WestJet
15 Sep - 30 Sep	WestJet
24 Sep - 01 Oct	WestJet
08 Sep - 23 Sep	WestJet
24 Sep - 08 Oct	WestJet
23 Sep - 01 Oct	WestJet
09 Sep - 16 Sep	WestJet
23 Sep - 08 Oct	WestJet
17 Sep - 23 Sep	WestJet
17 Sep - 30 Sep	WestJet
10 Sep - 30 Sep	WestJet
10 Sep - 23 Sep	WestJet
24 Sep - 07 Oct	WestJet
30 Sep - 15 Oct	WestJet
09 Sep - 23 Sep	WestJet

Also check the deals for one-way flights from St. John's 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 St. John's to Casablanca in September from $605

Return flights