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

Return flights

23 Jan - 25 Jan	Ryanair
19 Jan - 26 Jan	Ryanair
23 Jan - 31 Jan	Ryanair
13 Jan - 27 Jan	Ryanair
12 Jan - 22 Jan	Ryanair
12 Jan - 19 Jan	Ryanair
14 Jan - 28 Jan	Ryanair
22 Jan - 29 Jan	Ryanair
11 Jan - 19 Jan	Ryanair
11 Jan - 30 Jan	Ryanair
26 Jan - 08 Feb	Ryanair
19 Jan - 04 Feb	Ryanair
29 Jan - 08 Feb	Ryanair
28 Jan - 04 Feb	Ryanair
28 Jan - 11 Feb	Lufthansa
23 Jan - 10 Feb	Etihad Airways
28 Jan - 07 Feb	Lufthansa
27 Jan - 22 Feb	Lufthansa
30 Jan - 09 Feb	Ryanair
31 Jan - 13 Feb	Lufthansa

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

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 January from 387€

Return flights