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

Return flights

10 Mar - 24 Mar	Lufthansa
09 Mar - 19 Mar	Lufthansa
09 Mar - 18 Mar	Lufthansa
09 Mar - 23 Mar	Lufthansa
12 Mar - 23 Mar	Ryanair
03 Mar - 09 Mar	Lufthansa
09 Mar - 16 Mar	Ryanair
12 Mar - 30 Mar	Lufthansa
08 Mar - 17 Mar	Lufthansa
08 Mar - 18 Mar	Lufthansa
17 Mar - 01 Apr	Lufthansa
10 Mar - 04 Apr	Lufthansa
13 Mar - 03 Apr	Lufthansa
10 Mar - 21 Apr	Lufthansa
13 Mar - 21 Apr	Lufthansa
10 Mar - 20 Apr	Lufthansa
03 Mar - 14 Apr	Lufthansa
10 Mar - 14 Apr	Lufthansa
16 Mar - 13 Apr	Lufthansa
21 Mar - 05 Apr	SWISS

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

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 March from 471€

Return flights