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

Return flights

02 Apr - 07 Apr	KLM
02 Apr - 14 Apr	KLM
07 Apr - 14 Apr	Air France
07 Apr - 21 Apr	Air France
02 Apr - 01 May	KLM
01 Apr - 09 Apr	Lufthansa
02 Apr - 12 Apr	KLM
04 Apr - 19 Apr	Air France
03 Apr - 19 Apr	Air France
01 Apr - 08 Apr	Air China
12 Apr - 18 Apr	Air China
18 Apr - 01 May	Air China
23 Apr - 01 May	Air China
22 Apr - 09 May	Air China
23 Apr - 10 May	Air China
19 Apr - 03 May	Air China
21 Apr - 23 May	Air China
21 Apr - 03 May	Air China
29 Apr - 01 May	Air China
29 Apr - 09 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 561€

Return flights