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

Return flights

14 Mar - 28 Mar	LOT
21 Mar - 31 Mar	LOT
01 Mar - 07 Mar	LOT
02 Mar - 09 Mar	LOT
01 Mar - 14 Mar	LOT
08 Mar - 14 Mar	LOT
11 Mar - 31 Mar	LOT
09 Mar - 21 Mar	LOT
11 Mar - 21 Mar	LOT
02 Mar - 16 Mar	LOT
21 Mar - 07 Apr	LOT
22 Mar - 07 Apr	LOT
08 Mar - 02 Apr	LOT
09 Mar - 03 Apr	Air China
16 Mar - 09 Apr	Air China
19 Mar - 16 Apr	Air China
22 Mar - 02 Apr	LOT
15 Mar - 15 Apr	Turkish Airlines
18 Mar - 08 Apr	KLM
14 Mar - 03 Apr	Turkish Airlines

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 544€

Return flights