Cheapest return LIS–HEL flights, May

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

Return flights

26 May - 28 May Ryanair
28 May - 02 Jun Ryanair
29 May - 02 Jun Ryanair
29 May - 03 Jun Ryanair
24 May - 28 May Vueling Airlines
22 May - 29 May Ryanair
24 May - 29 May Ryanair
23 May - 30 May Ryanair
24 May - 30 May Vueling Airlines
21 May - 24 May Ryanair
25 May - 30 May Ryanair
24 May - 29 May Finnair direct
24 May - 30 May 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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