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

Return flights

31 Oct - 10 Nov	LOT
31 Oct - 09 Nov	LOT
31 Oct - 14 Nov	LOT
03 Oct - 22 Oct	Wizz Air
03 Oct - 20 Oct	Hainan Airlines
03 Oct - 15 Oct	Hainan Airlines
30 Oct - 10 Nov	Scandinavian Airlines
29 Oct - 27 Nov	Lufthansa
13 Oct - 01 Nov	Wizz Air
22 Oct - 03 Nov	Scandinavian Airlines
22 Oct - 06 Nov	Scandinavian Airlines
15 Oct - 29 Oct	Scandinavian Airlines
13 Oct - 23 Oct	Wizz Air
03 Oct - 17 Oct	Wizz Air
23 Oct - 15 Nov	Etihad Airways
24 Oct - 04 Nov	Etihad Airways
06 Oct - 13 Oct	Finnair
06 Oct - 15 Oct	Finnair
04 Oct - 20 Oct	Pegasus Airlines
17 Oct - 30 Oct	Wizz Air

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

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 October from 540€

Return flights