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

19 May - 26 May Ryanair
20 May - 26 May Ryanair
05 May - 12 May Ryanair
12 May - 26 May Ryanair
13 May - 18 May Ryanair
08 May - 20 May Ryanair
21 May - 27 May Ryanair
20 May - 24 May Ryanair
05 May - 11 May Ryanair
29 May - 02 Jun Vueling Airlines
21 May - 25 May Ryanair
28 May - 01 Jun Ryanair
30 May - 05 Jun Vueling Airlines

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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