AirHint found the following cheapest return flights from Busan (PUS) to Madrid (MAD) in October 2025 (see full year).

Return flights

20 Oct - 29 Oct	Air China
13 Oct - 27 Oct	Air China
26 Oct - 18 Nov	Air China
20 Oct - 31 Oct	Air China
16 Oct - 15 Nov	Air China
06 Oct - 23 Oct	Korean Air
05 Oct - 14 Oct	Air China
10 Oct - 18 Oct	Air China
09 Oct - 09 Oct	Korean Air
02 Oct - 14 Oct	Air China
07 Oct - 25 Oct	Air China
03 Oct - 14 Oct	Air China

Also check the deals for one-way flights from Busan 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.

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Cheapest return flights from Busan to Madrid in October from 513€

Return flights