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

Return flights

13 Jan - 21 Jan	China Southern
13 Jan - 22 Jan	China Southern
13 Jan - 20 Jan	China Southern
13 Jan - 27 Jan	China Southern
06 Jan - 20 Jan	China Southern
09 Jan - 21 Jan	China Eastern
09 Jan - 22 Jan	China Eastern
24 Jan - 29 Jan	China Southern
10 Jan - 23 Jan	China Southern
08 Jan - 15 Jan	China Southern
17 Jan - 07 Feb	China Southern
25 Jan - 05 Feb	Wizz Air
25 Jan - 02 Feb	China Eastern
28 Jan - 03 Feb	China Eastern
26 Jan - 06 Feb	China Eastern
25 Jan - 01 Feb	Air China
26 Jan - 01 Feb	Air China
23 Jan - 01 Feb	Air China
09 Jan - 01 Feb	LOT
24 Jan - 01 Feb	LOT

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 446€

Return flights