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

Return flights

13 Dec - 16 Dec	Cathay Pacific
17 Dec - 22 Dec	Etihad Airways
23 Dec - 30 Dec	Etihad Airways
26 Dec - 28 Dec	Etihad Airways
16 Dec - 30 Dec	Etihad Airways
24 Dec - 30 Dec	Etihad Airways
18 Dec - 27 Dec	Etihad Airways
10 Dec - 15 Dec	Etihad Airways
19 Dec - 27 Dec	Etihad Airways
19 Dec - 26 Dec	Etihad Airways
30 Dec - 02 Jan	Etihad Airways
25 Dec - 03 Jan	Etihad Airways
27 Dec - 03 Jan	Etihad Airways
31 Dec - 10 Jan	British Airways

Also check the deals for one-way flights from Seoul to Riyadh 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 Riyadh in December from $560

Return flights