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

Return flights

03 Mar - 03 Apr	Air China
26 Mar - 05 Apr	Air China
17 Mar - 17 Apr	Air China
31 Mar - 07 Apr	Air China
26 Mar - 03 Apr	Air China
13 Mar - 05 Apr	Air China
02 Mar - 08 Mar	Air China
15 Mar - 29 Mar	Air China
01 Mar - 31 Mar	Air China
12 Mar - 21 Mar	Air China
17 Mar - 31 Mar	Air China
03 Mar - 06 Mar	Air China
08 Mar - 12 Mar	Air China
09 Mar - 13 Mar	Air China
01 Mar - 07 Mar	Air China
05 Mar - 12 Mar	Air China
31 Mar - 09 Apr	Air China
01 Mar - 01 Apr	LOT
27 Mar - 16 Apr	Air China
30 Mar - 06 Apr	Air China

Also check the deals for one-way flights from Seoul to Madrid 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 Seoul to Madrid in March from $584

Return flights