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

Return flights

17 Oct - 24 Oct	Air China
16 Oct - 22 Oct	Air China
15 Oct - 23 Oct	Air China
18 Oct - 26 Oct	Air China
12 Oct - 26 Oct	Air China
12 Oct - 24 Oct	Air China
13 Oct - 25 Oct	Air China
22 Oct - 29 Oct	Air China
15 Oct - 22 Oct	Air China
16 Oct - 05 Nov	Air China
25 Oct - 02 Nov	Air China
25 Oct - 01 Nov	Air China
29 Oct - 01 Nov	Air China
23 Oct - 01 Nov	Air China
13 Oct - 01 Nov	Air China
27 Oct - 01 Nov	Air China
23 Oct - 31 Oct	Air China
30 Oct - 05 Nov	Lufthansa
01 Oct - 01 Nov	KLM
31 Oct - 06 Nov	Lufthansa

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

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Cheapest return flights from Seoul to Madrid in October from $566

Return flights