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

Return flights

28 Apr - 05 May	Air China
21 Apr - 03 May	Air China
23 Apr - 09 May	Scandinavian Airlines
19 Apr - 25 Apr	Scandinavian Airlines
08 Apr - 20 Apr	LOT
18 Apr - 25 Apr	Air China
21 Apr - 05 May	Etihad Airways
07 Apr - 13 Apr	LOT
17 Apr - 26 Apr	Air China
19 Apr - 26 Apr	Air China
01 Apr - 30 Apr	Finnair
01 Apr - 12 Apr	KLM
26 Apr - 03 May	Finnair
02 Apr - 01 May	Finnair
05 Apr - 11 Apr	Turkish Airlines
10 Apr - 12 Apr	Turkish Airlines
26 Apr - 03 May	Asiana Airlines	direct
29 Apr - 05 May	LOT

Also check the deals for one-way flights from Barcelona to Seoul in April.

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 April from 601€

Return flights