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

Return flights

24 Dec - 03 Jan	Air China
28 Dec - 02 Jan	Air China
28 Dec - 03 Jan	Air China
01 Dec - 18 Dec	Air China
26 Dec - 29 Dec	Air China
26 Dec - 03 Jan	Air China
01 Dec - 31 Dec	Japan Airlines
25 Dec - 29 Dec	Japan Airlines
20 Dec - 27 Dec	Japan Airlines
22 Dec - 29 Dec	Japan Airlines
20 Dec - 26 Dec	Japan Airlines
25 Dec - 02 Jan	Japan Airlines
25 Dec - 03 Jan	Japan Airlines
27 Dec - 03 Jan	Japan Airlines
27 Dec - 02 Jan	Japan Airlines

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 333€

Return flights