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

One-Way flights

25 May	Iberia Express
30 May	Iberia Express
16 May	Iberia Express
09 May	Iberia
15 May	British Airways
07 May	SKY express
26 May	Ryanair
12 May	Cathay Pacific
27 May	Cathay Pacific
21 May	Etihad Airways

Also check the deals for return flights from Madrid 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 one-way flights from Madrid to Seoul in May from $463

One-Way flights