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

Return flights

13 Jan - 27 Jan	China Southern
13 Jan - 20 Jan	China Southern
20 Jan - 26 Jan	China Southern
15 Jan - 23 Jan	China Southern
23 Jan - 29 Jan	Air China
13 Jan - 22 Jan	Air China
14 Jan - 21 Jan	Air China
15 Jan - 22 Jan	Air China
15 Jan - 18 Jan	Air China
16 Jan - 19 Jan	Air China
23 Jan - 01 Feb	Air China
16 Jan - 06 Feb	Air China
25 Jan - 01 Feb	Air China
24 Jan - 01 Feb	Air China
25 Jan - 02 Feb	Air China
25 Jan - 05 Feb	Air China
13 Jan - 20 Feb	Air China
13 Jan - 11 Feb	Air China
17 Jan - 07 Feb	China Southern
24 Jan - 16 Feb	Air China

Also check the deals for one-way flights from Madrid to Seoul in January.

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 January from 451€

Return flights