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

Return flights

01 Dec - 09 Dec	Lufthansa
05 Dec - 16 Dec	Lufthansa
08 Dec - 14 Jan	Air France
08 Dec - 15 Dec	Air France
01 Dec - 08 Dec	Air France
10 Dec - 13 Dec	Etihad Airways
17 Dec - 14 Jan	Etihad Airways
13 Dec - 26 Dec	Etihad Airways
25 Dec - 03 Jan	Etihad Airways
27 Dec - 03 Jan	Etihad Airways
29 Dec - 29 Jan	Air France
27 Dec - 02 Jan	Qatar Airways
23 Dec - 02 Jan	Qatar Airways
24 Dec - 31 Dec	Air France
26 Dec - 04 Jan	Air France

Also check the deals for one-way flights from Seoul to Casablanca in December.

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 Seoul to Casablanca in December from $657

Return flights