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

Return flights

24 Apr - 09 May	Scandinavian Airlines
09 Apr - 22 Apr	Lufthansa
07 Apr - 21 Apr	Lufthansa
09 Apr - 23 Apr	Lufthansa
09 Apr - 20 Apr	Lufthansa
08 Apr - 22 Apr	Turkish Airlines
08 Apr - 23 Apr	Turkish Airlines
07 Apr - 28 Apr	Etihad Airways
13 Apr - 24 Apr	Turkish Airlines
07 Apr - 22 Apr	Lufthansa
01 Apr - 15 Apr	Lufthansa
14 Apr - 04 May	Scandinavian Airlines
14 Apr - 06 May	Scandinavian Airlines
15 Apr - 05 May	Air Canada
14 Apr - 05 May	Air Canada
13 Apr - 04 May	Air Canada
15 Apr - 06 May	Air Canada

Also check the deals for one-way flights from Dublin to Seoul 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 Dublin to Seoul in April from 581€

Return flights