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

Return flights

02 Apr - 13 Apr	Air China
01 Apr - 15 Apr	Air China
21 Apr - 20 May	Air China
01 Apr - 13 Apr	Lufthansa
02 Apr - 08 Apr	Air China
16 Apr - 22 Apr	Air China
01 Apr - 08 Apr	Air China
01 Apr - 16 Apr	Air China
16 Apr - 26 Apr	Air China
01 Apr - 09 Apr	Lufthansa
04 Apr - 13 Apr	SWISS
20 Apr - 16 May	Air China
02 Apr - 15 May	Lufthansa
22 Apr - 05 May	Lufthansa
28 Apr - 16 May	Air China
28 Apr - 12 May	Air China
26 Apr - 16 May	Air China
16 Apr - 03 May	Air China
20 Apr - 22 May	Air China
20 Apr - 02 May	Air China

Also check the deals for one-way flights from Seoul to Barcelona 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 Seoul to Barcelona in April from 443€

Return flights