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

Return flights

19 Dec - 01 Jan	China Eastern
10 Dec - 16 Dec	China Southern
17 Dec - 24 Dec	flyadeal
18 Dec - 29 Dec	China Southern
19 Dec - 03 Jan	Saudia
14 Dec - 29 Dec	China Southern
01 Dec - 12 Dec	SalamAir
08 Dec - 15 Dec	SalamAir
05 Dec - 12 Dec	Etihad Airways
24 Dec - 01 Jan	China Eastern
08 Dec - 11 Dec	Etihad Airways
11 Dec - 13 Dec	Etihad Airways
26 Dec - 02 Jan	Cathay Pacific
23 Dec - 01 Jan	Etihad Airways
13 Dec - 30 Dec	Etihad Airways
25 Dec - 04 Jan	Etihad Airways
24 Dec - 04 Jan	Etihad Airways

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 395€

Return flights