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

Return flights

11 Oct - 19 Oct	Ryanair
25 Oct - 31 Oct	Ryanair
20 Oct - 24 Oct	Ryanair
26 Oct - 31 Oct	Ryanair
28 Oct - 02 Nov	Ryanair
25 Oct - 02 Nov	Ryanair
10 Oct - 12 Oct	Ryanair
25 Oct - 01 Nov	Ryanair
26 Oct - 01 Nov	Ryanair
24 Oct - 31 Oct	Ryanair

Also check the deals for one-way flights from Nantes 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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Cheapest return flights from Nantes to Helsinki in October from 158€

Return flights