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

Return flights

11 Jan - 24 Jan	LOT
12 Jan - 17 Jan	LOT
18 Jan - 24 Jan	LOT
11 Jan - 25 Jan	Lufthansa
12 Jan - 25 Jan	Etihad Airways
13 Jan - 25 Jan	Etihad Airways
15 Jan - 25 Jan	Etihad Airways
08 Jan - 23 Jan	Lufthansa
11 Jan - 23 Jan	Lufthansa
13 Jan - 18 Jan	Etihad Airways
29 Jan - 08 Feb	Lufthansa
27 Jan - 15 Feb	Lufthansa
15 Jan - 01 Feb	Lufthansa
29 Jan - 15 Feb	Lufthansa
19 Jan - 02 Feb	LOT
25 Jan - 01 Feb	Etihad Airways
23 Jan - 07 Feb	Lufthansa
27 Jan - 13 Feb	Lufthansa
20 Jan - 10 Feb	Air France
02 Jan - 01 Feb	Lufthansa

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 $649

Return flights