Cheapest return flights from Lisbon to Helsinki in May from $177

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

Return flights

01 May - 03 May Ryanair
08 May - 10 May Ryanair
06 May - 10 May Ryanair
21 May - 24 May Ryanair
31 May - 09 Jun Ryanair
13 May - 17 May Ryanair
22 May - 25 May Scandinavian Airlines
03 May - 08 May Ryanair
28 May - 25 Jun Ryanair
04 May - 07 May TAP
26 May - 29 May Wizz Air
21 May - 24 May Finnair direct
28 May - 25 Jun Finnair direct
31 May - 09 Jun Finnair direct

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

Powered by

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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Feel free to contact us with any feedback or request another flight research.