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

Return flights

12 Mar - 20 Mar	Scandinavian Airlines
08 Mar - 20 Mar	Scandinavian Airlines
03 Mar - 18 Mar	Scandinavian Airlines
07 Mar - 14 Mar	LOT
07 Mar - 21 Mar	LOT
14 Mar - 24 Mar	LOT
21 Mar - 28 Mar	LOT
03 Mar - 31 Mar	KLM
10 Mar - 30 Mar	KLM
12 Mar - 26 Mar	Air France
12 Mar - 08 Apr	Air France
14 Mar - 10 Apr	Turkish Airlines
20 Mar - 04 Apr	Air France
29 Mar - 08 Apr	LOT
29 Mar - 07 Apr	LOT
30 Mar - 08 Apr	KLM
29 Mar - 14 Apr	LOT
26 Mar - 10 Apr	Iberia
26 Mar - 09 Apr	Air France
27 Mar - 06 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 517€

Return flights