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

Return flights

06 Dec - 11 Dec	China Southern
24 Dec - 01 Jan	Etihad Airways
23 Dec - 01 Jan	Etihad Airways
05 Dec - 12 Dec	Etihad Airways
16 Dec - 26 Dec	Cathay Pacific
23 Dec - 30 Dec	flyadeal
06 Dec - 09 Dec	China Southern
11 Dec - 13 Dec	China Southern
02 Dec - 09 Dec	Etihad Airways
01 Dec - 07 Dec	Cathay Pacific
16 Dec - 27 Dec	Cathay Pacific
09 Dec - 22 Dec	Turkish Airlines
30 Dec - 06 Jan	China Southern
16 Dec - 01 Jan	Cathay Pacific
20 Dec - 02 Jan	China Eastern
28 Dec - 11 Jan	Cathay Pacific

Also check the deals for one-way flights from Riyadh to Seoul 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 Riyadh to Seoul in December from 408€

Return flights