AirHint found the following cheapest return flights from Seoul (ICN) to Dublin (DUB) in April 2026 (see full year).

Return flights

20 Apr - 24 Apr	Scandinavian Airlines
19 Apr - 23 Apr	Finnair
05 Apr - 11 Apr	Finnair
21 Apr - 28 Apr	Lufthansa
30 Apr - 05 May	Etihad Airways
18 Apr - 23 Apr	Etihad Airways
20 Apr - 22 Apr	Singapore Airlines
10 Apr - 24 Apr	Lufthansa
15 Apr - 30 Apr	KLM
16 Apr - 30 Apr	Air France
10 Apr - 17 Apr	KLM
20 Apr - 11 May	Emirates

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

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 Seoul to Dublin in April from $762

Return flights