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

Return flights

06 Sep - 18 Sep	China Southern
15 Sep - 24 Sep	flyadeal
10 Sep - 19 Sep	flyadeal
03 Sep - 10 Sep	Air India Express
04 Sep - 08 Sep	Etihad Airways
21 Sep - 25 Sep	Air India
16 Sep - 23 Sep	China Southern
15 Sep - 18 Sep	flyadeal
03 Sep - 25 Sep	Air India Express
07 Sep - 17 Sep	flyadeal
27 Sep - 09 Oct	Flynas
20 Sep - 26 Oct	Flynas
27 Sep - 11 Oct	flyadeal
22 Sep - 10 Oct	Air India
26 Sep - 10 Oct	Flynas
20 Sep - 24 Oct	SalamAir
24 Sep - 22 Oct	Etihad Airways
26 Sep - 25 Oct	Flynas
30 Sep - 12 Oct	Flynas
25 Sep - 23 Oct	Cathay Pacific

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

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 September from 369€

Return flights