Cheapest return ICN–DUB flights, September

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

Return flights

04 Sep - 13 Sep Scandinavian Airlines
04 Sep - 12 Sep Etihad Airways
15 Sep - 23 Sep Scandinavian Airlines
24 Sep - 30 Sep Scandinavian Airlines
21 Sep - 08 Oct Scandinavian Airlines
28 Sep - 30 Sep Qatar Airways
25 Sep - 01 Oct Qatar Airways
23 Sep - 30 Sep Qatar Airways
22 Sep - 30 Sep Qatar Airways
21 Sep - 25 Sep Qatar Airways
19 Sep - 24 Sep Qatar Airways
20 Sep - 24 Sep Qatar Airways
30 Sep - 10 Oct Qatar Airways

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

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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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