Cheapest one-way flights from Lisbon to Helsinki in September from $104

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

AirHint found the following cheapest one-way flights from Lisbon (LIS) to Helsinki (HEL) in September 2025 (see full year).

One-Way flights

16 Sep Vueling Airlines
25 Sep easyJet
12 Sep Ryanair
20 Sep easyJet
19 Sep Ryanair
04 Sep Norwegian Air Sweden AOC
24 Sep Ryanair
30 Sep Vueling Airlines
15 Sep easyJet
01 Sep TAP

Also check the deals for return flights from Lisbon to Helsinki in September.

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