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

Return flights

24 Sep - 18 Oct	Qatar Airways
04 Sep - 09 Sep	Air France
02 Sep - 07 Sep	Air France
01 Sep - 07 Sep	Air France
12 Sep - 19 Sep	Air France
02 Sep - 09 Sep	Air France
09 Sep - 23 Sep	Air France
12 Sep - 20 Sep	Air France
09 Sep - 17 Sep	Air France
11 Sep - 22 Sep	Air France
02 Sep - 16 Sep	Air France
24 Sep - 08 Oct	Qatar Airways
22 Sep - 05 Oct	Qatar Airways
20 Sep - 05 Oct	Etihad Airways
30 Sep - 08 Oct	Lufthansa
26 Sep - 04 Oct	Turkish Airlines
16 Sep - 04 Oct	Qatar Airways

Also check the deals for one-way flights from Casablanca to Seoul 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 Casablanca to Seoul in September from 939€

Return flights