Cheapest return DUB–ICN flights, September

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

Return flights

02 Sep - 09 Sep Etihad Airways
01 Sep - 21 Sep Qatar Airways
02 Sep - 21 Sep Qatar Airways
16 Sep - 21 Sep Qatar Airways
01 Sep - 16 Sep Qatar Airways
16 Sep - 23 Sep Qatar Airways
07 Sep - 23 Sep Qatar Airways
22 Sep - 14 Oct Qatar Airways
21 Sep - 30 Sep Aer Lingus
01 Sep - 15 Sep Aer Lingus
14 Sep - 28 Sep Aer Lingus
21 Sep - 01 Oct Aer Lingus
22 Sep - 06 Oct Qatar Airways
30 Sep - 08 Oct Qatar Airways
23 Sep - 06 Oct Qatar Airways
25 Sep - 12 Oct Qatar Airways
21 Sep - 05 Oct Qatar Airways
20 Sep - 04 Oct Ryanair
25 Sep - 03 Oct Qatar Airways
22 Sep - 09 Oct Lufthansa

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