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

Return flights

01 Oct - 08 Oct	Ryanair
14 Oct - 21 Oct	Wizz Air Malta
21 Oct - 26 Oct	Ryanair
09 Oct - 13 Oct	Wizz Air Malta
20 Oct - 26 Oct	Ryanair
10 Oct - 13 Oct	Wizz Air Malta
10 Oct - 14 Oct	Wizz Air Malta
20 Oct - 27 Oct	Ryanair
03 Oct - 06 Oct	Ryanair
25 Oct - 31 Oct	Ryanair
25 Oct - 01 Nov	Ryanair
25 Oct - 13 Nov	Ryanair
31 Oct - 03 Nov	Ryanair
25 Oct - 01 Nov	Finnair	direct

Also check the deals for one-way flights from Madrid to Helsinki 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 Helsinki in October from 157€

Return flights