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

Return flights

08 Oct - 20 Oct	Ryanair
08 Oct - 08 Nov	Ryanair
01 Oct - 06 Oct	Ryanair
15 Oct - 19 Oct	Ryanair
08 Oct - 15 Oct	Ryanair
29 Oct - 03 Nov	Ryanair
01 Oct - 30 Oct	Ryanair
29 Oct - 04 Nov	Ryanair
09 Oct - 26 Oct	Ryanair
03 Oct - 07 Oct	Ryanair
09 Oct - 15 Oct	Ryanair
10 Oct - 15 Oct	Ryanair
03 Oct - 06 Oct	Ryanair
27 Oct - 03 Nov	Ryanair
30 Oct - 11 Nov	Wizz Air Malta
23 Oct - 03 Nov	Air Europa
30 Oct - 03 Nov	Wizz Air Malta
27 Oct - 06 Nov	Ryanair
10 Oct - 08 Nov	Ryanair
30 Oct - 05 Nov	Wizz Air Malta

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 144€

Return flights