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
14 Mar - 21 Mar	LOT
02 Mar - 11 Mar	LOT
08 Mar - 21 Mar	LOT
07 Mar - 14 Mar	LOT
02 Mar - 16 Mar	LOT
08 Mar - 18 Mar	LOT
01 Mar - 09 Mar	LOT
04 Mar - 11 Mar	LOT
06 Mar - 14 Mar	Air China
12 Mar - 03 Apr	Air China
03 Mar - 17 Apr	Air China
12 Mar - 02 Apr	Air China
21 Mar - 06 Apr	LOT
15 Mar - 02 Apr	LOT
31 Mar - 06 Apr	LOT
21 Mar - 13 Apr	LOT
13 Mar - 04 Apr	Air France
22 Mar - 14 Apr	LOT
14 Mar - 11 Apr	Air China

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 540€

Return flights