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

Return flights

19 Dec - 27 Dec	Air China
03 Dec - 11 Dec	Air China
17 Dec - 25 Dec	Air China
17 Dec - 27 Dec	Air China
12 Dec - 01 Jan	Air China
08 Dec - 20 Dec	Air China
04 Dec - 10 Dec	Air China
01 Dec - 04 Dec	Air China
05 Dec - 19 Dec	Air China
15 Dec - 25 Dec	Air China
14 Dec - 27 Dec	Air China
23 Dec - 03 Jan	Air China
22 Dec - 01 Jan	Air China
24 Dec - 01 Jan	Air China
20 Dec - 03 Jan	Air China
30 Dec - 04 Jan	Lufthansa
28 Dec - 03 Jan	Lufthansa
27 Dec - 03 Jan	Lufthansa
28 Dec - 04 Jan	Lufthansa
27 Dec - 01 Jan	Lufthansa

Also check the deals for one-way flights from Seoul to Madrid in December.

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 Seoul to Madrid in December from 500€

Return flights