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

Return flights

22 Oct - 28 Oct	Finnair
22 Oct - 27 Oct	Finnair
16 Oct - 31 Oct	Finnair
15 Oct - 20 Oct	Finnair
21 Oct - 28 Oct	Etihad Airways
21 Oct - 26 Oct	Etihad Airways
25 Oct - 03 Nov	Finnair
18 Oct - 24 Oct	Finnair
14 Oct - 20 Oct	Etihad Airways
14 Oct - 23 Oct	Finnair
19 Oct - 24 Oct	KLM
05 Oct - 02 Nov	Etihad Airways
26 Oct - 01 Nov	Air France
01 Oct - 01 Nov	Lufthansa
31 Oct - 07 Nov	KLM
28 Oct - 04 Nov	Emirates

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

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Seoul to Dublin in October from $694

Return flights