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

Return flights

09 Aug - 21 Aug	Air France
28 Aug - 02 Sep	Etihad Airways
25 Aug - 04 Sep	Air China
15 Aug - 17 Aug	Etihad Airways
09 Aug - 20 Aug	Air France
19 Aug - 24 Aug	Etihad Airways
19 Aug - 28 Aug	Etihad Airways
13 Aug - 26 Aug	Etihad Airways
30 Aug - 06 Sep	Etihad Airways
21 Aug - 02 Sep	Etihad Airways
08 Aug - 21 Aug	Air France
10 Aug - 17 Aug	Etihad Airways
12 Aug - 22 Aug	Lufthansa
16 Aug - 23 Aug	LOT
14 Aug - 03 Sep	Lufthansa
29 Aug - 03 Sep	Etihad Airways
26 Aug - 16 Sep	Air Canada
27 Aug - 05 Sep	Air Canada
26 Aug - 05 Sep	Air Canada

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

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 August from $785

Return flights