Cheapest return flights from Lisbon to Helsinki in May from 182€

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

Return flights

06 May - 19 May Vueling Airlines
07 May - 16 May Ryanair
21 May - 25 May Ryanair
07 May - 09 May Ryanair
21 May - 24 May Ryanair
28 May - 01 Jun Ryanair
06 May - 11 May Ryanair
21 May - 23 May Ryanair
12 May - 19 May Ryanair
19 May - 25 May Ryanair
09 May - 12 May Ryanair
28 May - 01 Jun Finnair direct

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

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