AirHint found the following cheapest return flights from Dublin (DUB) to Seoul (ICN) in October 2025 (see full year).

Return flights

02 Oct - 13 Oct	Lufthansa
14 Oct - 19 Nov	Scandinavian Airlines
01 Oct - 17 Oct	Lufthansa
16 Oct - 22 Oct	Ryanair
17 Oct - 20 Oct	Lufthansa
24 Oct - 05 Nov	Scandinavian Airlines
16 Oct - 18 Nov	Ryanair
23 Oct - 05 Nov	Air France
21 Oct - 31 Oct	Etihad Airways
04 Oct - 18 Oct	Lufthansa
16 Oct - 23 Oct	Hainan Airlines
02 Oct - 08 Oct	Finnair
16 Oct - 09 Nov	Ryanair
24 Oct - 07 Nov	Finnair
01 Oct - 15 Oct	Lufthansa
01 Oct - 29 Oct	Lufthansa
15 Oct - 17 Nov	Ryanair
17 Oct - 09 Nov	Lufthansa
14 Oct - 13 Nov	Ryanair
27 Oct - 17 Nov	Finnair

Also check the deals for one-way flights from Dublin to Seoul in October.

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 Dublin to Seoul in October from $721

Return flights