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

Return flights

14 Dec - 17 Dec	China Southern
08 Dec - 11 Dec	Air India
05 Dec - 12 Dec	China Eastern
23 Dec - 01 Jan	flyadeal
27 Dec - 30 Dec	Flynas
22 Dec - 06 Jan	flyadeal
08 Dec - 16 Dec	Air India
25 Dec - 02 Jan	Air India
03 Dec - 16 Dec	Air India
24 Dec - 02 Jan	Flynas
08 Dec - 18 Dec	Air India
24 Dec - 01 Jan	China Southern
27 Dec - 09 Jan	flyadeal
26 Dec - 09 Jan	Flynas
27 Dec - 07 Jan	flyadeal
13 Dec - 20 Dec	Air China
27 Dec - 10 Jan	flyadeal
26 Dec - 30 Dec	Flynas
18 Dec - 31 Dec	Flynas
24 Dec - 03 Jan	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 $449

Return flights