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

Return flights

11 Dec - 10 Jan	Lufthansa
05 Dec - 16 Dec	Lufthansa
01 Dec - 08 Dec	Air France
01 Dec - 05 Dec	Air France
11 Dec - 18 Dec	Etihad Airways
05 Dec - 20 Dec	Etihad Airways
17 Dec - 14 Jan	Etihad Airways
18 Dec - 05 Jan	Etihad Airways
24 Dec - 31 Dec	Etihad Airways
16 Dec - 04 Jan	Etihad Airways
19 Dec - 08 Jan	Etihad Airways
26 Dec - 04 Jan	Etihad Airways
30 Dec - 06 Jan	Qatar Airways
20 Dec - 31 Dec	Etihad Airways
25 Dec - 03 Jan	Etihad Airways
26 Dec - 03 Jan	Etihad Airways
27 Dec - 03 Jan	Etihad Airways
02 Dec - 09 Dec	Turkish Airlines

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 564€

Return flights