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

Return flights

19 Apr - 29 Apr	Scandinavian Airlines
19 Apr - 27 Apr	Scandinavian Airlines
19 Apr - 02 May	Scandinavian Airlines
14 Apr - 28 Apr	Etihad Airways
08 Apr - 22 Apr	Etihad Airways
21 Apr - 01 May	LOT
24 Apr - 15 May	Air France
16 Apr - 01 May	Etihad Airways
30 Apr - 22 May	Etihad Airways
23 Apr - 01 May	Air China
17 Apr - 30 Apr	Air China
24 Apr - 10 May	Air China
23 Apr - 07 May	Air France
30 Apr - 08 May	LOT
06 Apr - 15 Apr	KLM
14 Apr - 29 Apr	Finnair
23 Apr - 09 May	Air China
09 Apr - 24 Apr	Iberia
01 Apr - 11 Apr	KLM
07 Apr - 16 Apr	Cathay Pacific

Also check the deals for one-way flights from Madrid to Seoul 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Madrid to Seoul in April from 533€

Return flights