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

Return flights

29 Oct - 13 Nov	Lufthansa
27 Oct - 12 Nov	Lufthansa
22 Oct - 22 Nov	Etihad Airways
25 Oct - 04 Nov	Etihad Airways
30 Oct - 09 Nov	Air France
30 Oct - 10 Nov	Air France
21 Oct - 24 Nov	Etihad Airways
03 Oct - 18 Oct	Etihad Airways
23 Oct - 05 Nov	Air France
23 Oct - 17 Nov	Air France
23 Oct - 26 Nov	Air France
15 Oct - 30 Oct	Etihad Airways
17 Oct - 26 Oct	Etihad Airways
16 Oct - 27 Oct	LOT
06 Oct - 13 Oct	Finnair
10 Oct - 17 Oct	Etihad Airways
08 Oct - 18 Oct	Etihad Airways
15 Oct - 22 Oct	Etihad Airways
07 Oct - 13 Oct	Etihad Airways
18 Oct - 27 Oct	Iberia

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 591€

Return flights