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

Return flights

08 Mar - 17 Mar	LOT
02 Mar - 15 Mar	LOT
08 Mar - 18 Mar	LOT
08 Mar - 24 Mar	LOT
02 Mar - 18 Mar	LOT
14 Mar - 24 Mar	LOT
07 Mar - 16 Mar	LOT
01 Mar - 11 Mar	LOT
07 Mar - 17 Mar	LOT
07 Mar - 24 Mar	LOT
19 Mar - 21 Apr	Etihad Airways
19 Mar - 02 Apr	Etihad Airways
26 Mar - 02 Apr	Iberia
25 Mar - 08 Apr	Iberia
31 Mar - 16 Apr	Iberia
26 Mar - 09 Apr	Iberia
26 Mar - 08 Apr	Iberia
30 Mar - 08 Apr	Iberia
31 Mar - 09 Apr	Iberia
26 Mar - 07 Apr	Iberia

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Madrid to Seoul in March from 499€

Return flights