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

Return flights

01 Mar - 11 Mar	Scandinavian Airlines
07 Mar - 21 Mar	LOT
02 Mar - 09 Mar	LOT
02 Mar - 16 Mar	LOT
11 Mar - 25 Mar	LOT
01 Mar - 09 Mar	LOT
09 Mar - 21 Mar	LOT
01 Mar - 16 Mar	LOT
01 Mar - 10 Mar	LOT
01 Mar - 21 Mar	Iberia
03 Mar - 02 Apr	Air China
11 Mar - 02 Apr	Air China
21 Mar - 06 Apr	LOT
12 Mar - 03 Apr	Air China
15 Mar - 01 Apr	Air China
31 Mar - 16 Apr	Finnair
17 Mar - 07 Apr	Cathay Pacific
31 Mar - 17 Apr	Finnair
27 Mar - 02 Apr	LOT
31 Mar - 13 Apr	LOT

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

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 Madrid to Seoul in March from $633

Return flights