Cheapest return flights from Lisbon to Helsinki in May from $201

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

14 May - 19 May Ryanair
07 May - 10 May Ryanair
22 May - 26 May Ryanair
01 May - 06 May Norwegian Air Sweden AOC
15 May - 21 May Ryanair
14 May - 16 May Ryanair
23 May - 26 May TAP
26 May - 02 Jun Transavia France
01 May - 11 May Norwegian Air Sweden AOC
14 May - 18 May Ryanair
02 May - 06 May Ryanair
27 May - 03 Jun Air France
27 May - 03 Jun Finnair direct

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

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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