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

Return flights

18 Sep - 25 Sep	Air India
13 Sep - 20 Sep	Air India
21 Sep - 28 Sep	Air India Express
20 Sep - 25 Sep	Air India
20 Sep - 27 Sep	IndiGo
19 Sep - 26 Sep	Air India
11 Sep - 25 Sep	Air India
06 Sep - 22 Sep	Air India
15 Sep - 18 Oct	IndiGo
24 Sep - 08 Oct	Air India
09 Sep - 16 Sep	IndiGo
10 Sep - 17 Sep	Etihad Airways
14 Sep - 01 Oct	Air India
13 Sep - 01 Oct	Air India
14 Sep - 02 Oct	Air India
22 Sep - 03 Oct	Air India
10 Sep - 03 Oct	Air India
18 Sep - 14 Oct	Etihad Airways

Also check the deals for one-way flights from Dammam 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 Dammam to Seoul in September from $558

Return flights