Cheapest return flights from Helsinki to Lisbon in August from $265

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

Return flights

20 Aug - 26 Aug Norwegian Air Sweden AOC
04 Aug - 11 Aug Lufthansa
29 Aug - 05 Sep Ryanair
15 Aug - 04 Sep Finnair direct
17 Aug - 27 Aug Finnair
23 Aug - 30 Aug Finnair
31 Aug - 07 Sep Finnair direct
29 Aug - 05 Sep Finnair direct
29 Aug - 12 Sep Finnair
01 Aug - 07 Aug Norwegian Air Sweden AOC
10 Aug - 16 Aug Norwegian Air Sweden AOC
04 Aug - 11 Aug Finnair direct
16 Aug - 22 Aug Finnair direct
08 Aug - 16 Aug Norwegian Air Sweden AOC
20 Aug - 26 Aug Finnair direct
29 Aug - 12 Sep TAP direct

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

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