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

Return flights

09 Dec - 15 Dec	Air China
12 Dec - 15 Dec	Air China
04 Dec - 12 Dec	Air China
12 Dec - 16 Dec	Air China
11 Dec - 18 Dec	Air China
30 Dec - 03 Jan	Air China
29 Dec - 02 Jan	Air China
31 Dec - 09 Jan	Air China
31 Dec - 03 Jan	Air China
31 Dec - 05 Jan	Air China
29 Dec - 12 Jan	Air China
06 Dec - 12 Dec	Air China
10 Dec - 13 Dec	Air China
08 Dec - 12 Dec	Air China
08 Dec - 13 Dec	Air China
15 Dec - 20 Dec	Air China
24 Dec - 03 Jan	Air China
25 Dec - 03 Jan	Air China
31 Dec - 08 Jan	Air China
27 Dec - 03 Jan	Air China

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 257€

Return flights