Cheapest return flights from Lisbon to Helsinki in October from $224

Best time to book flights for Lisbon (LIS) to Helsinki (HEL) flights at AirHint

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

Return flights

15 Oct - 20 Oct Ryanair
01 Oct - 12 Oct Vueling Airlines
01 Oct - 08 Oct Ryanair
11 Oct - 18 Oct easyJet
10 Oct - 18 Oct Ryanair
11 Oct - 17 Oct easyJet
12 Oct - 18 Oct easyJet
10 Oct - 17 Oct Ryanair
13 Oct - 17 Oct Ryanair
12 Oct - 17 Oct easyJet

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