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

One-Way flights

26 May	Etihad Airways
18 May	Qatar Airways
06 May	Qatar Airways
07 May	Qatar Airways
14 May	Qatar Airways
08 May	Qatar Airways
28 May	Qatar Airways
04 May	Qatar Airways
20 May	Qatar Airways
12 May	Qatar Airways

Also check the deals for return 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 one-way flights from Seoul to Barcelona in May from 321€

One-Way flights