Cheapest return flights from Helsinki to Lisbon in September from 239€

AirHint found the following cheapest return flights from Helsinki (HEL) to Lisbon (LIS) in September 2026 (see full year).

Return flights

25 Sep - 03 Oct Norwegian Air Sweden AOC
15 Sep - 18 Sep Lufthansa
29 Sep - 04 Oct Ryanair
07 Sep - 13 Sep Air France
15 Sep - 18 Sep TAP direct
25 Sep - 03 Oct TAP direct
07 Sep - 13 Sep TAP direct
29 Sep - 04 Oct TAP direct

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

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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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