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

Return flights

11 Oct - 18 Oct	Etihad Airways
09 Oct - 15 Oct	Etihad Airways
09 Oct - 22 Oct	Etihad Airways
22 Oct - 05 Nov	Lufthansa
10 Oct - 23 Oct	Etihad Airways
12 Oct - 21 Oct	Etihad Airways
19 Oct - 31 Oct	Qatar Airways
23 Oct - 05 Nov	Qatar Airways
22 Oct - 01 Nov	Qatar Airways
02 Oct - 15 Oct	Air France
08 Oct - 30 Oct	Finnair
24 Oct - 31 Oct	Air China
25 Oct - 01 Nov	Air China
03 Oct - 24 Oct	Air China
23 Oct - 01 Nov	Qatar Airways
24 Oct - 07 Nov	Qatar Airways
17 Oct - 02 Nov	Etihad Airways
17 Oct - 01 Nov	Etihad Airways
11 Oct - 02 Nov	Finnair
23 Oct - 01 Nov	Korean Air	direct

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 $724

Return flights