Cheapest return flights from Helsinki to Lisbon in September from 205€

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

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

Return flights

16 Sep - 24 Sep Ryanair
23 Sep - 01 Oct Ryanair
16 Sep - 23 Sep Ryanair
17 Sep - 24 Sep Norwegian Air Sweden AOC
15 Sep - 22 Sep Norwegian Air Sweden AOC
29 Sep - 06 Oct Ryanair
16 Sep - 20 Sep Ryanair
17 Sep - 21 Sep Norwegian Air Sweden AOC
18 Sep - 22 Sep Ryanair
08 Sep - 14 Sep Ryanair
14 Sep - 21 Sep Ryanair
21 Sep - 29 Sep Norwegian Air Sweden AOC
29 Sep - 04 Oct Norwegian Air Sweden AOC

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

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