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

Return flights

20 Oct - 28 Oct	Air China
16 Oct - 29 Oct	Air China
22 Oct - 04 Nov	Air China
21 Oct - 28 Oct	Jin Air
27 Oct - 31 Oct	Air China
14 Oct - 21 Oct	Air China
31 Oct - 07 Nov	Air China
24 Oct - 02 Nov	Air China
04 Oct - 18 Oct	Spring Airlines
03 Oct - 18 Oct	Air China
02 Oct - 16 Oct	Air Busan
16 Oct - 26 Oct	Korean Air
01 Oct - 13 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 510€

Return flights