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

Return flights

20 May - 27 May	Air France
21 May - 28 May	Air France
07 May - 28 May	Air France
21 May - 29 May	Air France
23 May - 30 May	Air France
20 May - 25 May	Air France
15 May - 28 May	Air France
19 May - 24 May	Air France
19 May - 29 May	Air France
15 May - 24 May	Air France
23 May - 01 Jun	Air France
24 May - 05 Jun	Air China
29 May - 04 Jun	Air China
22 May - 02 Jun	Air China
31 May - 04 Jun	Air China
25 May - 03 Jun	Air China
22 May - 04 Jun	Air China
30 May - 02 Jun	Air France
16 May - 04 Jun	Air China
29 May - 02 Jun	Air China

Also check the deals for one-way flights from Seoul to Barcelona 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 Seoul to Barcelona in May from $678

Return flights