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

Return flights

12 Jan - 20 Jan	LOT
31 Jan - 10 Feb	LOT
12 Jan - 19 Jan	Etihad Airways
24 Jan - 31 Jan	LOT
17 Jan - 24 Jan	LOT
08 Jan - 15 Jan	Etihad Airways
14 Jan - 21 Jan	Etihad Airways
11 Jan - 18 Jan	Etihad Airways
09 Jan - 16 Jan	LOT
18 Jan - 25 Jan	Etihad Airways
23 Jan - 04 Feb	Lufthansa
25 Jan - 01 Feb	Air France
09 Jan - 18 Jan	Air China
29 Jan - 05 Feb	Air China
24 Jan - 05 Feb	Air China
31 Jan - 08 Feb	Air China
25 Jan - 01 Feb	Korean Air	direct
24 Jan - 05 Feb	Korean Air	direct
31 Jan - 08 Feb	Korean Air	direct
31 Jan - 10 Feb	Korean Air	direct

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 558€

Return flights