Cheapest return flights from Lisbon to Helsinki in October from $221

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

Return flights

02 Oct - 20 Oct Ryanair
10 Oct - 13 Oct Ryanair
02 Oct - 19 Oct Ryanair
16 Oct - 20 Oct Norwegian Air Sweden AOC
15 Oct - 16 Oct Ryanair
24 Oct - 31 Oct Ryanair
15 Oct - 15 Oct KLM
02 Oct - 19 Oct Finnair direct

Also check the deals for one-way flights from Lisbon to Helsinki in October.

Skyscanner

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

Feel free to contact us with any feedback or request another flight research.