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

Return flights

16 Jan - 24 Jan	Ryanair
17 Jan - 23 Jan	Ryanair
11 Jan - 20 Jan	Ryanair
28 Jan - 07 Feb	Lufthansa
30 Jan - 10 Feb	Lufthansa
22 Jan - 31 Jan	Lufthansa
22 Jan - 08 Feb	Lufthansa
25 Jan - 08 Feb	Lufthansa
15 Jan - 24 Jan	Lufthansa
20 Jan - 31 Jan	Lufthansa
20 Jan - 10 Feb	Lufthansa
27 Jan - 22 Feb	Lufthansa
18 Jan - 31 Jan	Lufthansa
09 Jan - 23 Jan	Lufthansa
17 Jan - 31 Jan	Lufthansa
16 Jan - 26 Jan	Lufthansa
11 Jan - 07 Feb	Lufthansa
30 Jan - 07 Feb	Lufthansa
31 Jan - 04 Feb	Lufthansa
20 Jan - 03 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 402€

Return flights