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

Return flights

09 Oct - 21 Oct	Ryanair
11 Oct - 21 Oct	Ryanair
09 Oct - 15 Oct	Ryanair
02 Oct - 06 Oct	Ryanair
05 Oct - 07 Oct	Vueling Airlines
06 Oct - 21 Oct	Ryanair
01 Oct - 07 Oct	Ryanair
04 Oct - 06 Oct	Ryanair
01 Oct - 04 Oct	Ryanair
02 Oct - 08 Oct	Ryanair
30 Oct - 02 Nov	Ryanair
11 Oct - 15 Nov	Ryanair
27 Oct - 02 Nov	Ryanair
31 Oct - 03 Nov	Wizz Air
25 Oct - 25 Nov	Ryanair
25 Oct - 03 Nov	Ryanair
28 Oct - 01 Nov	Vueling Airlines
25 Oct - 01 Nov	Ryanair
31 Oct - 05 Nov	Ryanair
31 Oct - 02 Nov	Ryanair

Also check the deals for one-way flights from Barcelona 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 Barcelona to Helsinki in October from $139

Return flights