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

Return flights

02 Jun - 16 Jun	Lufthansa
11 Jun - 24 Jun	Lufthansa
04 Jun - 12 Jun	Hainan Airlines
02 Jun - 09 Jun	Ryanair
08 Jun - 22 Jun	Lufthansa
03 Jun - 08 Jun	Scandinavian Airlines
14 Jun - 23 Jun	Lufthansa
01 Jun - 15 Jun	Lufthansa
02 Jun - 23 Jun	Lufthansa
01 Jun - 14 Jun	Lufthansa
24 Jun - 08 Jul	Lufthansa
20 Jun - 06 Jul	Lufthansa
24 Jun - 22 Jul	Lufthansa
14 Jun - 31 Jul	Lufthansa
26 Jun - 10 Jul	Lufthansa
25 Jun - 20 Jul	Lufthansa
29 Jun - 14 Jul	Lufthansa
28 Jun - 09 Jul	Lufthansa
29 Jun - 09 Jul	Lufthansa
28 Jun - 12 Jul	Lufthansa

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

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 June from 514€

Return flights