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

Return flights

20 Jan - 28 Jan	China Southern
20 Jan - 25 Jan	China Southern
20 Jan - 27 Jan	China Southern
20 Jan - 24 Jan	China Southern
19 Jan - 28 Jan	Ryanair
19 Jan - 25 Jan	Ryanair
19 Jan - 26 Jan	Ryanair
17 Jan - 28 Jan	Ryanair
20 Jan - 26 Jan	China Southern
18 Jan - 28 Jan	Ryanair
27 Jan - 01 Feb	China Southern
20 Jan - 17 Feb	China Southern
25 Jan - 01 Feb	Ryanair
30 Jan - 01 Feb	Sichuan Airlines
25 Jan - 05 Feb	Ryanair
25 Jan - 04 Feb	Ryanair
26 Jan - 04 Feb	Ryanair
23 Jan - 04 Feb	China Eastern
16 Jan - 05 Feb	Sichuan Airlines
24 Jan - 05 Feb	Ryanair

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 380€

Return flights