Cheapest return flights from Lisbon to Helsinki in August from $298
AirHint found the following cheapest return flights from Lisbon (LIS) to Helsinki (HEL) in August 2025 (see full year).
Return flights
Also check the deals for one-way flights from Lisbon to Helsinki in August.
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.
