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

Return flights

31 Aug - 07 Sep	Etihad Airways
28 Aug - 07 Sep	Etihad Airways
30 Aug - 20 Sep	Flynas
25 Aug - 08 Sep	flyadeal
29 Aug - 06 Sep	Etihad Airways
29 Aug - 12 Sep	China Eastern
26 Aug - 02 Sep	Flynas
23 Aug - 06 Sep	Etihad Airways
18 Aug - 21 Aug	Etihad Airways
20 Aug - 01 Sep	IndiGo
20 Aug - 30 Aug	IndiGo
20 Aug - 27 Aug	IndiGo
18 Aug - 29 Aug	IndiGo
21 Aug - 28 Aug	Flynas
20 Aug - 03 Sep	IndiGo
19 Aug - 27 Aug	Flynas
20 Aug - 25 Aug	IndiGo
19 Aug - 29 Aug	Flynas
23 Aug - 29 Aug	China Eastern
24 Aug - 31 Aug	flyadeal

Also check the deals for one-way flights from Riyadh to Seoul in August.

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 August from 398€

Return flights