Cheapest return flights from Lisbon to Helsinki in May from 171€

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 May 2025 (see full year).

Return flights

07 May - 11 May Ryanair
08 May - 12 May Ryanair
08 May - 11 May Ryanair
07 May - 17 May Ryanair
21 May - 28 May Ryanair
08 May - 14 May Ryanair
13 May - 17 May Vueling Airlines
09 May - 11 May Ryanair
14 May - 21 May Lufthansa
09 May - 10 May Ryanair
29 May - 05 Jun Ryanair
27 May - 01 Jun Vueling Airlines
29 May - 05 Jun Finnair direct
27 May - 01 Jun Finnair direct

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

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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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