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

Return flights

01 Mar - 20 Mar	Scandinavian Airlines
02 Mar - 11 Mar	LOT
16 Mar - 30 Mar	LOT
16 Mar - 23 Mar	LOT
02 Mar - 16 Mar	LOT
02 Mar - 01 Apr	LOT
05 Mar - 12 Mar	Vueling Airlines
26 Mar - 07 Apr	Air China
02 Mar - 13 Mar	Norwegian Air Sweden AOC
21 Mar - 06 Apr	LOT
13 Mar - 27 Mar	Ryanair
23 Mar - 06 Apr	LOT
03 Mar - 10 Mar	Finnair
17 Mar - 31 Mar	KLM
22 Mar - 07 Apr	LOT
31 Mar - 11 Apr	SWISS
31 Mar - 18 Apr	SWISS
23 Mar - 05 Apr	LOT
29 Mar - 05 Apr	LOT
31 Mar - 14 Apr	LOT

Also check the deals for one-way flights from Barcelona 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 Barcelona to Seoul in March from 545€

Return flights