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

Return flights

19 Jan - 27 Jan	Air China
01 Jan - 11 Jan	Air China
01 Jan - 14 Jan	Air China
21 Jan - 25 Jan	Air China
12 Jan - 25 Jan	Air China
01 Jan - 16 Jan	Air China
01 Jan - 25 Jan	Air China
01 Jan - 18 Jan	Air China
04 Jan - 13 Jan	Air China
04 Jan - 17 Jan	Air China
30 Jan - 03 Feb	Air China
28 Jan - 01 Feb	Air China
26 Jan - 04 Feb	Air China
31 Jan - 14 Feb	Air China
15 Jan - 01 Feb	Air China
13 Jan - 01 Feb	Air China
27 Jan - 03 Feb	Air China
22 Jan - 08 Feb	Air China
29 Jan - 10 Feb	Air China
26 Jan - 02 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 $627

Return flights