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

Return flights

09 Oct - 08 Nov	Ryanair
09 Oct - 21 Oct	Ryanair
09 Oct - 30 Oct	Ryanair
09 Oct - 27 Oct	Ryanair
09 Oct - 26 Oct	Wizz Air Malta
04 Oct - 08 Oct	Ryanair
10 Oct - 08 Nov	Ryanair
02 Oct - 04 Oct	Ryanair
10 Oct - 21 Oct	Ryanair
01 Oct - 08 Oct	Ryanair
01 Oct - 04 Oct	Ryanair
09 Oct - 03 Nov	Wizz Air Malta
26 Oct - 31 Oct	Ryanair
27 Oct - 05 Nov	Ryanair
29 Oct - 03 Nov	Ryanair
30 Oct - 02 Nov	Wizz Air
28 Oct - 02 Nov	Wizz Air Malta
09 Oct - 08 Nov	Finnair	direct
10 Oct - 08 Nov	Finnair	direct
09 Oct - 03 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 $164

Return flights