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

Return flights

08 Dec - 22 Dec	China Eastern
14 Dec - 27 Dec	Cathay Pacific
04 Dec - 14 Dec	China Southern
07 Dec - 13 Dec	Cathay Pacific
11 Dec - 26 Dec	Turkish Airlines
26 Dec - 03 Jan	Etihad Airways
19 Dec - 08 Jan	Etihad Airways
18 Dec - 09 Jan	Etihad Airways
24 Dec - 10 Jan	Saudia
25 Dec - 10 Jan	China Southern
25 Dec - 14 Jan	China Southern
10 Dec - 23 Dec	China Southern

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 500€

Return flights