Cheapest return flights from Lisbon to Helsinki in August from $293

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 August 2025 (see full year).

Return flights

13 Aug - 20 Aug Ryanair
20 Aug - 25 Aug Ryanair
05 Aug - 13 Aug Lufthansa
20 Aug - 25 Aug Finnair direct
13 Aug - 20 Aug Finnair direct
11 Aug - 13 Aug Ryanair
06 Aug - 10 Aug Finnair direct
12 Aug - 17 Aug Finnair direct
05 Aug - 13 Aug Finnair direct
11 Aug - 13 Aug Finnair direct

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

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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