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

Return flights

07 Dec - 10 Dec	Etihad Airways
24 Dec - 09 Jan	Etihad Airways
02 Dec - 09 Dec	Etihad Airways
03 Dec - 06 Dec	Etihad Airways
07 Dec - 14 Dec	Etihad Airways
29 Dec - 14 Jan	China Southern
25 Dec - 10 Jan	China Southern
07 Dec - 12 Dec	Cathay Pacific
09 Dec - 18 Dec	Cathay Pacific
22 Dec - 01 Jan	China Eastern
07 Dec - 16 Dec	Cathay Pacific
22 Dec - 25 Dec	flyadeal
24 Dec - 10 Jan	Etihad Airways
31 Dec - 16 Jan	Etihad Airways
22 Dec - 29 Dec	China Eastern
16 Dec - 19 Dec	Cathay Pacific
31 Dec - 17 Jan	Etihad Airways

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 $533

Return flights