Cheapest return flights from Porto to Helsinki in May from 201€

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

Return flights

12 May - 21 May Ryanair
23 May - 30 May Ryanair
12 May - 15 May Ryanair
22 May - 30 May Ryanair
14 May - 20 May KLM
24 May - 31 May Ryanair
08 May - 11 May Ryanair
18 May - 05 Jun Ryanair
02 May - 08 May Norwegian Air Sweden AOC
01 May - 04 May Ryanair
02 May - 09 May Norwegian Air Sweden AOC

Also check the deals for one-way flights from Porto 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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