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

Return flights

19 May - 22 Jun	LOT
06 May - 19 May	Shenzhen Airlines
19 May - 02 Jun	LOT
10 May - 24 May	Air China
10 May - 21 May	Air China
18 May - 26 May	Air China
30 May - 19 Jun	Air China
29 May - 05 Jun	Air China
14 May - 24 May	Air China
05 May - 19 May	Air China
14 May - 27 May	Lufthansa
18 May - 28 May	LOT
17 May - 28 May	Air China
15 May - 30 May	Air China
17 May - 10 Jun	Lufthansa
26 May - 06 Jun	Vueling Airlines
27 May - 07 Jun	Vueling Airlines
30 May - 14 Jun	Vueling Airlines
09 May - 01 Jun	Etihad Airways
19 May - 02 Jun	Asiana Airlines	direct

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

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 May from 557€

Return flights